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{"workbook":{"problemsBrief":"{\"POJ-3069\":[\"Saruman\\u0027s Army\",10264,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dStanford+Local+2006\\\"\\u003eStanford Local 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3068\":[\"\\\"Shortest\\\" pair of paths\",880,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2006\\\"\\u003eSoutheastern Europe 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1201\":[\"Intervals\",8922,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+Europe+2002\\\"\\u003eSouthwestern Europe 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1328\":[\"Radar Installation\",24714,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2002\\\"\\u003eBeijing 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2230\":[\"How to Create a Good Game\",259,\"ACM-ICPC Japan Alumni Group Summer Camp 2010 Day 4\"],\"POJ-3190\":[\"Stall Reservations\",5980,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+February+Silver\\\"\\u003eUSACO 2006 February Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3076\":[\"Sudoku\",1410,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2006\\\"\\u003eSoutheastern Europe 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3074\":[\"Sudoku\",2486,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dStanford+Local+2006\\\"\\u003eStanford Local 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2224\":[\"Save your cats\",1874,\"ACM-ICPC Japan Alumni Group Summer Camp 2010 Day 4\"],\"POJ-2785\":[\"4 Values whose Sum is 0\",9722,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+Europe+2005\\\"\\u003eSouthwestern Europe 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2549\":[\"Sumsets\",2641,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2001.06.02\\\"\\u003eWaterloo local 2001.06.02\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2429\":[\"GCD \\u0026amp; LCM Inverse\",1866,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Achilles\\\"\\u003ePOJ Achilles\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3168\":[\"Barn Expansion\",573,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+December+Gold\\\"\\u003eUSACO 2005 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2079\":[\"Triangle\",1916,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dShanghai+2004+Preliminary\\\"\\u003eShanghai 2004 Preliminary\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3169\":[\"Layout\",7271,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+December+Gold\\\"\\u003eUSACO 2005 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3045\":[\"Cow Acrobats\",3240,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+November+Silver\\\"\\u003eUSACO 2005 November Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2991\":[\"Crane\",1857,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+Open+2005\\\"\\u003eCTU Open 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3046\":[\"Ant Counting\",2804,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+November+Silver\\\"\\u003eUSACO 2005 November Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3723\":[\"Conscription\",5973,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly+Contest+%E2%80%93+2009.04.05\\\"\\u003ePOJ Monthly Contest – 2009.04.05\\u003c/a\\u003e, windy7926778\\u003c/div\\u003e\"],\"Aizu-2256\":[\"Divide the Cake\",141,\"ACM-ICPC Japan Alumni Group Practice Contest for Japan Domestic 2011\"],\"CodeForces-138D\":[\"World of Darkraft\",563,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/138\\\"\\u003eCodeforces Beta Round 99 (Div. 1)\\u003c/a\\u003e\"],\"POJ-3608\":[\"Bridge Across Islands\",1549,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.06.29\\\"\\u003ePOJ Founder Monthly Contest – 2008.06.29\\u003c/a\\u003e, Lei Tao\\u003c/div\\u003e\"],\"POJ-3729\":[\"Facer’s string\",409,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly+Contest+%E2%80%93+2009.04.05\\\"\\u003ePOJ Monthly Contest – 2009.04.05\\u003c/a\\u003e, Facer\\u003c/div\\u003e\"],\"SPOJ-GCJ1C09C\":[\"Bribe the Prisoners\",579,\"Google Codejam 2009, Round 1C, Problem C\"],\"POJ-3728\":[\"The merchant\",1558,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly+Contest+%E2%80%93+2009.04.05\\\"\\u003ePOJ Monthly Contest – 2009.04.05\\u003c/a\\u003e, GaoYihan\\u003c/div\\u003e\"],\"POJ-3050\":[\"Hopscotch\",4465,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+November+Bronze\\\"\\u003eUSACO 2005 November Bronze\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3171\":[\"Cleaning Shifts\",1402,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+December+Silver\\\"\\u003eUSACO 2005 December Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3293\":[\"Rectilinear polygon\",235,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+Local+Contest\\\"\\u003eWaterloo Local Contest\\u003c/a\\u003e, 2006.9.30\\u003c/div\\u003e\"],\"POJ-2082\":[\"Terrible Sets\",2361,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dShanghai+2004+Preliminary\\\"\\u003eShanghai 2004 Preliminary\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3292\":[\"Semi-prime H-numbers\",4496,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+Local+Contest\\\"\\u003eWaterloo Local Contest\\u003c/a\\u003e, 2006.9.30\\u003c/div\\u003e\"],\"POJ-3176\":[\"Cow Bowling\",14868,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+December+Bronze\\\"\\u003eUSACO 2005 December Bronze\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3057\":[\"Evacuation\",1003,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dThe+2006+Benelux+Algorithm+Programming+Contest\\\"\\u003eThe 2006 Benelux Algorithm Programming Contest\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2249\":[\"Road Construction\",2142,\"ACM-ICPC Japan Alumni Group Practice Contest for Asia Regionals 2010\"],\"POJ-2886\":[\"Who Gets the Most Candies?\",3443,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.07.30\\\"\\u003ePOJ Monthly--2006.07.30\\u003c/a\\u003e, Sempr\\u003c/div\\u003e\"],\"POJ-3734\":[\"Blocks\",4039,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPKU+Campus+2009+%28POJ+Monthly+Contest+%E2%80%93+2009.05.17%29\\\"\\u003ePKU Campus 2009 (POJ Monthly Contest – 2009.05.17)\\u003c/a\\u003e, Simon\\u003c/div\\u003e\"],\"POJ-1795\":[\"DNA Laboratory\",495,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTUD+Programming+Contest+2004\\\"\\u003eTUD Programming Contest 2004\\u003c/a\\u003e, Darmstadt, Germany\\u003c/div\\u003e\"],\"POJ-2763\":[\"Housewife Wind\",2928,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.02.26\\\"\\u003ePOJ Monthly--2006.02.26\\u003c/a\\u003e,zgl \\u0026amp; twb\\u003c/div\\u003e\"],\"Aizu-0189\":[\"Convenient Location\",2956,\"6th PC Koshien, Final\"],\"POJ-3617\":[\"Best Cow Line\",11355,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+November+Silver\\\"\\u003eUSACO 2007 November Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2407\":[\"Relatives\",8035,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2002.07.01\\\"\\u003eWaterloo local 2002.07.01\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3616\":[\"Milking Time\",8722,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+November+Silver\\\"\\u003eUSACO 2007 November Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3735\":[\"Training little cats\",2542,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPKU+Campus+2009+%28POJ+Monthly+Contest+%E2%80%93+2009.05.17%29\\\"\\u003ePKU Campus 2009 (POJ Monthly Contest – 2009.05.17)\\u003c/a\\u003e, Facer\\u003c/div\\u003e\"],\"POJ-3614\":[\"Sunscreen\",4785,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+November+Gold\\\"\\u003eUSACO 2007 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3977\":[\"Subset\",1305,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSeventh+ACM+Egyptian+National+Programming+Contest\\\"\\u003eSeventh ACM Egyptian National Programming Contest\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2409\":[\"Let it Bead\",4143,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2000\\\"\\u003eUlm Local 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"UVA-10181\":[\"15-Puzzle Problem\",2095,null],\"POJ-3061\":[\"Subsequence\",14588,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2006\\\"\\u003eSoutheastern Europe 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3180\":[\"The Cow Prom\",1759,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+January+Silver\\\"\\u003eUSACO 2006 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HRBUST-1754\":[\"Minimum Scalar Product\",103,\"\"],\"POJ-3181\":[\"Dollar Dayz\",3777,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+January+Silver\\\"\\u003eUSACO 2006 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3187\":[\"Backward Digit Sums\",5653,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+February+Gold+%26+Silver\\\"\\u003eUSACO 2006 February Gold \\u0026amp; Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3185\":[\"The Water Bowls\",2683,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+January+Bronze\\\"\\u003eUSACO 2006 January Bronze\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3422\":[\"Kaka\\u0027s Matrix Travels\",2810,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.10.06\\\"\\u003ePOJ Monthly--2007.10.06\\u003c/a\\u003e, Huang, Jinsong\\u003c/div\\u003e\"],\"POJ-1486\":[\"Sorting Slides\",1768,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+European+Regional+Contest+1998\\\"\\u003eSouthwestern European Regional Contest 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3421\":[\"X-factor Chains\",2795,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.10.06\\\"\\u003ePOJ Monthly--2007.10.06\\u003c/a\\u003e, ailyanlu@zsu\\u003c/div\\u003e\"],\"POJ-3662\":[\"Telephone Lines\",3354,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2008+January+Silver\\\"\\u003eUSACO 2008 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3420\":[\"Quad Tiling\",1938,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.10.06\\\"\\u003ePOJ Monthly--2007.10.06\\u003c/a\\u003e, Dagger\\u003c/div\\u003e\"],\"POJ-1127\":[\"Jack Straws\",2080,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dEast+Central+North+America+1994\\\"\\u003eEast Central North America 1994\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3666\":[\"Making the Grade\",5065,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2008+February+Gold\\\"\\u003eUSACO 2008 February Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2456\":[\"Aggressive cows\",14376,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+February+Gold\\\"\\u003eUSACO 2005 February Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2214\":[\"Regions\",123,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+FEE+Local+1998\\\"\\u003eCTU FEE Local 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2217\":[\"Secretary\",546,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+FEE+Local+1998\\\"\\u003eCTU FEE Local 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3669\":[\"Meteor Shower\",6392,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2008+February+Silver\\\"\\u003eUSACO 2008 February Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"SPOJ-HAROWS\":[\"A - Crazy Rows\",322,\"\"],\"Aizu-0121\":[\"Seven Puzzle\",3009,\"3rd PC Koshien, Final\"],\"POJ-1011\":[\"Sticks\",22389,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+1995\\\"\\u003eCentral Europe 1995\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2100\":[\"Graveyard Design\",2770,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2004\\\"\\u003eNortheastern Europe 2004\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"POJ-1258\":[\"Agri-Net\",24156,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+102\\\"\\u003eUSACO 102\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2226\":[\"Muddy Fields\",4091,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+January+Gold\\\"\\u003eUSACO 2005 January Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-0005\":[\"GCD and LCM\",12048,\"1st PC Koshien, Final\"],\"Kattis-numbers2\":[\"Numbers\",106,\"\"],\"POJ-3678\":[\"Katu Puzzle\",3412,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.07.27\\\"\\u003ePOJ Founder Monthly Contest – 2008.07.27\\u003c/a\\u003e, Dagger\\u003c/div\\u003e\"],\"POJ-1017\":[\"Packets\",19487,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+1996\\\"\\u003eCentral Europe 1996\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2348\":[\"Euclid\\u0027s Game\",4210,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2002.09.28\\\"\\u003eWaterloo local 2002.09.28\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1930\":[\"Dead Fraction\",1712,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2003.09.27\\\"\\u003eWaterloo local 2003.09.27\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2345\":[\"Central heating\",374,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUral+State+University+Internal+Contest+October%272000+Students+Session\\\"\\u003eUral State University Internal Contest October\\u00272000 Students Session\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2104\":[\"K-th Number\",14079,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2004\\\"\\u003eNortheastern Europe 2004\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"CodeForces-25E\":[\"Test\",2638,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/25\\\"\\u003eCodeforces Beta Round 25 (Div. 2 Only)\\u003c/a\\u003e\"],\"SPOJ-IE4\":[\"Endless Knight\",48,\"Google Codejam 2008\"],\"POJ-2229\":[\"Sumsets\",8993,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+January+Silver\\\"\\u003eUSACO 2005 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-0009\":[\"Prime Number\",10758,\"1st PC Koshien, Final\"],\"POJ-3680\":[\"Intervals\",2263,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.07.27\\\"\\u003ePOJ Founder Monthly Contest – 2008.07.27\\u003c/a\\u003e, windy7926778\\r\\u003cbr\\u003e\\u003c/div\\u003e\"],\"Aizu-2308\":[\"White Bird\",539,\"ACM-ICPC Japan Alumni Group Summer Camp 2011 Day 3\"],\"POJ-2431\":[\"Expedition\",7161,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+U+S+Open+Gold\\\"\\u003eUSACO 2005 U S Open Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2311\":[\"Cutting Game\",2315,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,CHEN Shixi(xreborner)\\u003c/div\\u003e\"],\"POJ-1222\":[\"EXTENDED LIGHTS OUT\",7755,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dGreater+New+York+2002\\\"\\u003eGreater New York 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3641\":[\"Pseudoprime numbers\",5599,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+Local+Contest\\\"\\u003eWaterloo Local Contest\\u003c/a\\u003e, 2007.9.23\\u003c/div\\u003e\"],\"Aizu-0033\":[\"Ball\",6859,\"2nd PC Koshien, Preliminary Round\"],\"POJ-2674\":[\"Linear world\",929,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2005\\\"\\u003eSoutheastern Europe 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2215\":[\"Three Silhouettes\",4,\"University of Tokyo Programming Contest 2010\"],\"UVA-11990\":[\"``Dynamic\\u0027\\u0027 Inversion\",887,null],\"POJ-2315\":[\"Football Game\",260,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,uni\\u003c/div\\u003e\"],\"POJ-3523\":[\"The Morning after Halloween\",448,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2007\\\"\\u003eJapan 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2676\":[\"Sudoku\",10312,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2005\\\"\\u003eSoutheastern Europe 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1466\":[\"Girls and Boys\",4499,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2000\\\"\\u003eSoutheastern Europe 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2212\":[\"Stolen Jewel\",194,\"University of Tokyo Programming Contest 2010\"],\"POJ-2559\":[\"Largest Rectangle in a Histogram\",9385,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2003\\\"\\u003eUlm Local 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3526\":[\"The Teacher’s Side of Math\",163,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2007\\\"\\u003eJapan 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3411\":[\"Paid Roads\",2423,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2002\\\"\\u003eNortheastern Europe 2002\\u003c/a\\u003e, Western Subregion\\u003c/div\\u003e\"],\"POJ-3532\":[\"Resistance\",291,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.03.16\\\"\\u003ePOJ Founder Monthly Contest – 2008.03.16\\u003c/a\\u003e, g201513\\u003c/div\\u003e\"],\"POJ-2441\":[\"Arrange the Bulls\",1697,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,TN\\u003c/div\\u003e\"],\"POJ-3415\":[\"Common Substrings\",3051,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.10.06\\\"\\u003ePOJ Monthly--2007.10.06\\u003c/a\\u003e, wintokk\\u003c/div\\u003e\"],\"POJ-1236\":[\"Network of Schools\",8459,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dIOI+1996\\\"\\u003eIOI 1996\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1113\":[\"Wall\",9239,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2001\\\"\\u003eNortheastern Europe 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2686\":[\"Traveling by Stagecoach\",1878,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2005+Domestic\\\"\\u003eJapan 2005 Domestic\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2200\":[\"Mr. Rito Post Office\",1301,\"ACM-ICPC Japan Alumni Group Practice Contest for Japan Domestic 2010\"],\"POJ-2566\":[\"Bound Found\",2904,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2001\\\"\\u003eUlm Local 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2201\":[\"Immortal Jewels\",377,\"ACM-ICPC Japan Alumni Group Practice Contest for Japan Domestic 2010\"],\"POJ-1912\":[\"A highway and the seven dwarfs\",427,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCEOI+2002\\\"\\u003eCEOI 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3537\":[\"Crosses and Crosses\",1536,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2007\\\"\\u003eNortheastern Europe 2007\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"UVA-12161\":[\"Ironman Race in Treeland\",185,null],\"POJ-2376\":[\"Cleaning Shifts\",9415,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+December+Silver\\\"\\u003eUSACO 2004 December Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2377\":[\"Bad Cowtractors\",6151,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+December+Silver\\\"\\u003eUSACO 2004 December Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2135\":[\"Farm Tour\",5158,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+February+Green\\\"\\u003eUSACO 2003 February Green\\u003c/a\\u003e\\u003c/div\\u003e\"],\"UVA-10245\":[\"The Closest Pair Problem\",5381,null],\"POJ-1286\":[\"Necklace of Beads\",3824,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dXi%27an+2002\\\"\\u003eXi\\u0027an 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3469\":[\"Dual Core CPU\",4506,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.11.25\\\"\\u003ePOJ Monthly--2007.11.25\\u003c/a\\u003e, Zhou Dong\\u003c/div\\u003e\"],\"POJ-2139\":[\"Six Degrees of Cowvin Bacon\",4204,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+March+Orange\\\"\\u003eUSACO 2003 March Orange\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3468\":[\"A Simple Problem with Integers\",29974,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.11.25\\\"\\u003ePOJ Monthly--2007.11.25\\u003c/a\\u003e, Yang Yi\\u003c/div\\u003e\"],\"POJ-3104\":[\"Drying\",6863,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2005\\\"\\u003eNortheastern Europe 2005\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"POJ-2932\":[\"Coneology\",822,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dMIT+Programming+Contest+2005\\\"\\u003eMIT Programming Contest 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3109\":[\"Inner Vertices\",670,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2005\\\"\\u003eNortheastern Europe 2005\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"UVA-10006\":[\"Carmichael Numbers\",10929,null],\"Kattis-numbersetseasy\":[\"Number Sets\",443,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Google%20Code%20Jam%202008%20Round%201B\\\"\\u003eGoogle Code Jam 2008 Round 1B\\u003c/a\\u003e\"],\"POJ-3470\":[\"Walls\",283,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.11.25\\\"\\u003ePOJ Monthly--2007.11.25\\u003c/a\\u003e, Zhou Dong\\u003c/div\\u003e\"],\"POJ-2385\":[\"Apple Catching\",7312,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+November\\\"\\u003eUSACO 2004 November\\u003c/a\\u003e\\u003c/div\\u003e\"],\"CodeForces-97B\":[\"Superset\",1034,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/97\\\"\\u003eYandex.Algorithm 2011: Finals\\u003c/a\\u003e\"],\"POJ-3111\":[\"K Best\",2732,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2005\\\"\\u003eNortheastern Europe 2005\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"POJ-3233\":[\"Matrix Power Series\",9308,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.06.03\\\"\\u003ePOJ Monthly--2007.06.03\\u003c/a\\u003e, Huang, Jinsong\\u003c/div\\u003e\"],\"POJ-2386\":[\"Lake Counting\",23838,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+November\\\"\\u003eUSACO 2004 November\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1852\":[\"Ants\",12048,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2004.09.19\\\"\\u003eWaterloo local 2004.09.19\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1854\":[\"Evil Straw Warts Live\",708,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2004.09.19\\\"\\u003eWaterloo local 2004.09.19\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2823\":[\"Sliding Window\",15428,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.04.28\\\"\\u003ePOJ Monthly--2006.04.28\\u003c/a\\u003e, Ikki\\u003c/div\\u003e\"],\"POJ-1979\":[\"Red and Black\",26033,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca 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Tao\\u003c/div\\u003e\"],\"POJ-3688\":[\"Cheat in the Game\",406,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.08.31\\\"\\u003ePOJ Founder Monthly Contest – 2008.08.31\\u003c/a\\u003e, facer\\u003c/div\\u003e\"],\"POJ-2114\":[\"Boatherds\",923,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+Open+2004\\\"\\u003eCTU Open 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2236\":[\"Wireless Network\",16775,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,HQM\\u003c/div\\u003e\"],\"POJ-2115\":[\"C Looooops\",8030,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+Open+2004\\\"\\u003eCTU Open 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1703\":[\"Find them, Catch them\",13397,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2004.07.18\\\"\\u003ePOJ Monthly--2004.07.18\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2914\":[\"Minimum Cut\",2731,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBaidu+Star+2006+Semifinal\\\"\\u003eBaidu Star 2006 Semifinal\\u003c/a\\u003e\\r\\u003cbr\\u003eWang, Ying (Originator)\\r\\u003cbr\\u003eChen, Shixi (Test cases)\\u003c/div\\u003e\"],\"POJ-1704\":[\"Georgia and Bob\",4834,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2004.07.18\\\"\\u003ePOJ Monthly--2004.07.18\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2918\":[\"Tudoku\",1418,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTUD+Programming+Contest+2006\\\"\\u003eTUD Programming Contest 2006\\u003c/a\\u003e, Darmstadt, Germany\\u003c/div\\u003e\"],\"Aizu-0118\":[\"Property Distribution \",5427,\"3rd PC Koshien, Final\"],\"POJ-2482\":[\"Stars in Your Window\",2525,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Contest\\\"\\u003ePOJ Contest\\u003c/a\\u003e,Author:kinfkong@ZSU\\u003c/div\\u003e\"],\"POJ-3692\":[\"Kindergarten\",3418,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003d2008+Asia+Hefei+Regional+Contest+Online+by+USTC\\\"\\u003e2008 Asia Hefei Regional Contest Online by USTC\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3691\":[\"DNA repair\",2266,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003d2008+Asia+Hefei+Regional+Contest+Online+by+USTC\\\"\\u003e2008 Asia Hefei Regional Contest Online by USTC\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3690\":[\"Constellations\",862,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003d2008+Asia+Hefei+Regional+Contest+Online+by+USTC\\\"\\u003e2008 Asia Hefei Regional Contest Online by USTC\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1150\":[\"The Last Non-zero Digit\",1460,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003duva+10212\\\"\\u003euva 10212\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-1312\":[\"Where\\u0027s Wally\",287,\"ACM International Collegiate Programming Contest, Asia Regional 2010, Japan\"],\"POJ-1274\":[\"The Perfect Stall\",9933,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+40\\\"\\u003eUSACO 40\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2484\":[\"A Funny Game\",5179,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Contest\\\"\\u003ePOJ Contest\\u003c/a\\u003e,Author:Mathematica@ZSU\\u003c/div\\u003e\"],\"Aizu-1313\":[\"Intersection of Two Prisms\",329,\"ACM International Collegiate Programming Contest, Asia Regional 2010, Japan\"],\"POJ-3579\":[\"Median\",5505,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.04.13\\\"\\u003ePOJ Founder Monthly Contest – 2008.04.13\\u003c/a\\u003e, Lei Tao\\u003c/div\\u003e\"],\"POJ-2251\":[\"Dungeon Master\",22065,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+1997\\\"\\u003eUlm Local 1997\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2010\":[\"Moo University - Financial Aid\",3031,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+March+Green\\\"\\u003eUSACO 2004 March Green\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1284\":[\"Primitive Roots\",3138,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003d%E8%B4%BE%E6%80%A1%40pku\\\"\\u003e贾怡@pku\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3581\":[\"Sequence\",1349,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.04.13\\\"\\u003ePOJ Founder Monthly Contest – 2008.04.13\\u003c/a\\u003e, Yao Jinyu\\u003c/div\\u003e\"],\"POJ-3268\":[\"Silver Cow Party\",14885,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+February+Silver\\\"\\u003eUSACO 2007 February Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2975\":[\"Nim\",3340,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dStanford+Local+2005\\\"\\u003eStanford Local 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-0531\":[\"Paint Color\",1455,\"7th Japanese Olympiad in Informatics\"],\"POJ-1769\":[\"Minimizing maximizer\",1759,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+2003\\\"\\u003eCentral Europe 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2976\":[\"Dropping tests\",6659,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dStanford+Local+2005\\\"\\u003eStanford Local 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3709\":[\"K-Anonymous Sequence\",1540,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.12.28\\\"\\u003ePOJ Founder Monthly Contest – 2008.12.28\\u003c/a\\u003e, Rainer\\u003c/div\\u003e\"],\"POJ-3708\":[\"Recurrent Function\",255,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.12.28\\\"\\u003ePOJ Founder Monthly Contest – 2008.12.28\\u003c/a\\u003e, Yaojinyu\\u003c/div\\u003e\"],\"POJ-2739\":[\"Sum of Consecutive Prime Numbers\",15324,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2005\\\"\\u003eJapan 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2186\":[\"Popular Cows\",11730,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+Fall\\\"\\u003eUSACO 2003 Fall\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3273\":[\"Monthly Expense\",11936,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+March+Silver\\\"\\u003eUSACO 2007 March Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2184\":[\"Cow Exhibition\",5310,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+Fall\\\"\\u003eUSACO 2003 Fall\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2068\":[\"Nim\",1238,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2001\\\"\\u003eJapan 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3279\":[\"Fliptile\",8858,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+Open+Silver\\\"\\u003eUSACO 2007 Open Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3155\":[\"Hard Life\",1510,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2006\\\"\\u003eNortheastern Europe 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2187\":[\"Beauty Contest\",7363,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+Fall\\\"\\u003eUSACO 2003 Fall\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3276\":[\"Face The Right Way\",3399,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+March+Gold\\\"\\u003eUSACO 2007 March Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"CodeForces-123D\":[\"String\",1335,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/123\\\"\\u003eCodeforces Beta Round 92 (Div. 1 Only)\\u003c/a\\u003e\"],\"Aizu-2266\":[\"Cache Strategy\",156,\"University of Tokyo Programming Contest 2011\"],\"POJ-2987\":[\"Firing\",2189,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.08.27\\\"\\u003ePOJ Monthly--2006.08.27\\u003c/a\\u003e, frkstyc\\u003c/div\\u003e\"],\"POJ-3713\":[\"Transferring Sylla\",598,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.12.28\\\"\\u003ePOJ Founder Monthly Contest – 2008.12.28\\u003c/a\\u003e, Dagger\\u003c/div\\u003e\"],\"POJ-2749\":[\"Building roads\",1677,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.01.22\\\"\\u003ePOJ Monthly--2006.01.22\\u003c/a\\u003e,zhucheng\\u003c/div\\u003e\"],\"POJ-1418\":[\"Viva Confetti\",356,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2002+Kanazawa\\\"\\u003eJapan 2002 Kanazawa\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3281\":[\"Dining\",8094,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+Open+Gold\\\"\\u003eUSACO 2007 Open Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3040\":[\"Allowance\",3640,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+October+Silver\\\"\\u003eUSACO 2005 October Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-0525\":[\"Osenbei\",2586,\"7th Japanese Olympiad in Informatics, Preliminary Round\"],\"POJ-3280\":[\"Cheapest Palindrome\",6642,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+Open+Gold\\\"\\u003eUSACO 2007 Open Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3041\":[\"Asteroids\",12963,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+November+Gold\\\"\\u003eUSACO 2005 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2195\":[\"Going Home\",8703,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPacific+Northwest+2004\\\"\\u003ePacific Northwest 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"CodeForces-86C\":[\"Genetic engineering\",817,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/86\\\"\\u003eYandex.Algorithm 2011: Round 2\\u003c/a\\u003e\"],\"POJ-1981\":[\"Circle and Points\",1753,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2004+Domestic\\\"\\u003eJapan 2004 Domestic\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3246\":[\"Game\",321,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.07.08\\\"\\u003ePOJ Monthly--2007.07.08\\u003c/a\\u003e, Wang, Dong\\u003c/div\\u003e\"],\"POJ-1065\":[\"Wooden Sticks\",10157,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTaejon+2001\\\"\\u003eTaejon 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2155\":[\"Matrix\",8926,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,Lou Tiancheng\\u003c/div\\u003e\"],\"POJ-1742\":[\"Coins\",10406,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dLouTiancheng%40POJ\\\"\\u003eLouTiancheng@POJ\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3126\":[\"Prime Path\",19552,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNorthwestern+Europe+2006\\\"\\u003eNorthwestern Europe 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1740\":[\"A New Stone Game\",3535,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dLouTiancheng%40POJ\\\"\\u003eLouTiancheng@POJ\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3368\":[\"Frequent values\",6803,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2007\\\"\\u003eUlm Local 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1862\":[\"Stripies\",9545,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2001\\\"\\u003eNortheastern Europe 2001\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"POJ-1741\":[\"Tree\",6889,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dLouTiancheng%40POJ\\\"\\u003eLouTiancheng@POJ\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2836\":[\"Rectangular Covering\",790,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPKU+Local+2006\\\"\\u003ePKU Local 2006\\u003c/a\\u003e, kicc\\u003c/div\\u003e\"],\"POJ-1986\":[\"Distance Queries\",4399,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+February\\\"\\u003eUSACO 2004 February\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3009\":[\"Curling 2.0\",10927,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2006+Domestic\\\"\\u003eJapan 2006 Domestic\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2718\":[\"Smallest Difference\",4658,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dRocky+Mountain+2005\\\"\\u003eRocky Mountain 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1509\":[\"Glass Beads\",2541,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+1998\\\"\\u003eCentral Europe 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-2170\":[\"Marked Ancestor\",2365,\"ACM-ICPC Japan Alumni Group Summer Camp 2009 Day 3\"],\"Aizu-2292\":[\"Common Palindromes\",237,\"ACM-ICPC Japan Alumni Group Summer Camp 2011 Day 2\"],\"Aizu-0558\":[\"Cheese\",4593,\"10th Japanese Olympiad in Informatics, Preliminary Round\"],\"POJ-2164\":[\"Find the Border\",123,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2004\\\"\\u003eNortheastern Europe 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3253\":[\"Fence Repair\",20840,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+November+Gold\\\"\\u003eUSACO 2006 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3494\":[\"Largest Submatrix of All 1’s\",2741,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.01.31\\\"\\u003ePOJ Founder Monthly Contest – 2008.01.31\\u003c/a\\u003e, xfxyjwf\\u003c/div\\u003e\"],\"POJ-3250\":[\"Bad Hair Day\",8731,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+November+Silver\\\"\\u003eUSACO 2006 November Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"SPOJ-QTREE5\":[\"Query on a tree V\",2160,\"XunYunbo, modified from ZJOI07\"],\"POJ-2046\":[\"Gap\",520,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2003\\\"\\u003eJapan 2003\\u003c/a\\u003e,Aizu\\u003c/div\\u003e\"],\"POJ-3254\":[\"Corn Fields\",9800,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+November+Gold\\\"\\u003eUSACO 2006 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1990\":[\"MooFest\",4244,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+U+S+Open\\\"\\u003eUSACO 2004 U S Open\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3134\":[\"Power Calculus\",1494,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2006\\\"\\u003eJapan 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3255\":[\"Roadblocks\",6647,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+November+Gold\\\"\\u003eUSACO 2006 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1995\":[\"Raising Modulo Numbers\",11635,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+Open+1999\\\"\\u003eCTU Open 1999\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3258\":[\"River Hopscotch\",9542,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+December+Silver\\\"\\u003eUSACO 2006 December Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3259\":[\"Wormholes\",19364,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+December+Gold\\\"\\u003eUSACO 2006 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2720\":[\"Last Digits\",317,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dRocky+Mountain+2005\\\"\\u003eRocky Mountain 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1631\":[\"Bridging signals\",7055,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNorthwestern+Europe+2003\\\"\\u003eNorthwestern Europe 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"Aizu-1070\":[\"FIMO sequence\",38,\"University of Aizu Programming Contest 2011 1\"],\"POJ-2723\":[\"Get Luffy Out\",2383,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2005\\\"\\u003eBeijing 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2724\":[\"Purifying Machine\",1353,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2005\\\"\\u003eBeijing 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1759\":[\"Garland\",1460,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2000\\\"\\u003eNortheastern Europe 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1082\":[\"Calendar Game\",2908,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTaejon+2001\\\"\\u003eTaejon 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3260\":[\"The Fewest Coins\",2002,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+December+Gold\\\"\\u003eUSACO 2006 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3264\":[\"Balanced Lineup\",23677,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+January+Silver\\\"\\u003eUSACO 2007 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2175\":[\"Evacuation Plan\",993,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2002\\\"\\u003eNortheastern Europe 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1084\":[\"Square Destroyer\",1959,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTaejon+2001\\\"\\u003eTaejon 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3262\":[\"Protecting the Flowers\",5978,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+January+Silver\\\"\\u003eUSACO 2007 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"tigerisland45","updateTime":1614785996000,"title":"白书《挑战程序设计竞赛》(第2版)题目一览","dislikeCnt":0,"content":"\n[海岛Blog](http://blog.csdn.net/tigerisland45)\n\n[挑战ACM编程](https://cn.vjudge.net/group/challenge)是自由参与组。提供挑战题、水题、白书、紫书和蓝书等等......\n\n白书《挑战程序设计竞赛》(第2版)题目一览\n\n第1-2章蓄势待发--准备篇+初出毛庐--初级篇(例题)\n1. [problem:POJ-1852] Ants\n2. [problem:POJ-2386] Lake Counting\n3. [problem:POJ-3617] Best Cow Line\n4. [problem:POJ-3069] Saruman\u0027s Army\n5. [problem:POJ-2431] Expedition\n6. [problem:POJ-3253] Fence Repair\n7. [problem:POJ-1182] 食物链\n8. [problem:POJ-3255] Roadblocks\n9. [problem:POJ-3723] Conscription\n10. [problem:POJ-3169] Layout\n11. [problem:UVA-10006] Carmichael Numbers\n12. [problem:HRBUST-1754] Minimum Scalar Product\n13. [problem:SPOJ-HAROWS] A - Crazy Rows\n14. [problem:SPOJ-GCJ1C09C] Bribe the Prisoners\n\n2.1穷尽搜索(练习题)\n1. [problem:POJ-1979] Red and Black\n2. [problem:Aizu-0118] Property Distribution\n3. [problem:Aizu-0033] Ball\n4. [problem:POJ-3009] Curling 2.0\n5. [problem:Aizu-0558] Cheese\n6. [problem:POJ-3669] Meteor Shower\n7. [problem:Aizu-0121] Seven Puzzle\n8. [problem:POJ-2718] Smallest Difference\n9. [problem:POJ-3187] Backward Digit Sums\n10. [problem:POJ-3050] Hopscotch\n11. [problem:Aizu-0525] Osenbei\n\n2.2贪心法(练习题)\n1. [problem:POJ-2376] Cleaning Shifts\n2. [problem:POJ-1328] Radar Installation\n3. [problem:POJ-3190] Stall Reservations\n4. [problem:POJ-2393] Yogurt factory\n5. [problem:POJ-1017] Packets\n6. [problem:POJ-3040] Allowance\n7. [problem:POJ-1862] Stripies\n8. [problem:POJ-3262] Protecting the Flowers\n\n2.3动态规划(练习题)\n1. [problem:POJ-3176] Cow Bowling\n2. [problem:POJ-2229] Sumsets\n3. [problem:POJ-2385] Apple Catching\n4. [problem:POJ-3616] Milking Time\n5. [problem:POJ-3280] Cheapest Palindrome\n6. [problem:POJ-1742] Coins\n7. [problem:POJ-3046] Ant Counting\n8. [problem:POJ-3181] Dollar Dayz\n9. [problem:POJ-1065] Wooden Sticks\n10. [problem:POJ-1631] Bridging signals\n11. [problem:POJ-3666] Making the Grade\n12. [problem:POJ-2392] Space Elevator\n13. [problem:POJ-2184] Cow Exhibition\n\n2.4数据结构(练习题)\n1. [problem:POJ-3614] Sunscreen\n2. [problem:POJ-2010] Moo University - Financial Aid\n3. [problem:POJ-2236] Wireless Network\n4. [problem:POJ-1703] Find them, Catch them\n5. [problem:Aizu-2170] Marked Ancestor\n\n2.5图(练习题)\n1. [problem:Aizu-0189] Convenient Location\n2. [problem:POJ-2139] Six Degrees of Cowvin Bacon\n3. [problem:POJ-3259] Wormholes\n4. [problem:POJ-3268] Silver Cow Party\n5. [problem:Aizu-2249] Road Construction\n6. [problem:Aizu-2200] Mr. Rito Post Office\n7. [problem:POJ-1258] Agri-Net\n8. [problem:POJ-2377] Bad Cowtractors\n9. [problem:Aizu-2224] Save your cats\n10. [problem:POJ-2395] Out of Hay\n\n2.6数学(练习题)\n1. [problem:Aizu-0005] GCD and LCM\n2. [problem:POJ-2429] GCD \u0026 LCM Inverse\n3. [problem:POJ-1930] Dead Fraction\n4. [problem:Aizu-0009] Prime Number\n5. [problem:POJ-3126] Prime Path\n6. [problem:POJ-3421] X-factor Chains\n7. [problem:POJ-3292] Semi-prime H-numbers\n8. [problem:POJ-3641] Pseudoprime numbers\n9. [problem:POJ-1995] Raising Modulo Numbers\n\n第3章出类拔萃--中级篇(例题)\n1. [problem:POJ-1064] Cable master\n2. [problem:POJ-2456] Aggressive cows\n3. [problem:POJ-3061] Subsequence\n4. [problem:POJ-3320] Jessica\u0027s Reading Problem\n5. [problem:POJ-3276] Face The Right Way\n6. [problem:POJ-3279] Fliptile\n7. [problem:POJ-3684] Physics Experiment\n8. [problem:POJ-2785] 4 Values whose Sum is 0\n9. [problem:POJ-2991] Crane\n10. [problem:POJ-3468] A Simple Problem with Integers\n11. [problem:POJ-2104] K-th Number\n12. [problem:POJ-2686] Traveling by Stagecoach\n13. [problem:POJ-3734] Blocks\n14. [problem:POJ-3233] Matrix Power Series\n15. [problem:POJ-1769] Minimizing maximizer\n16. [problem:POJ-3041] Asteroids\n17. [problem:POJ-3057] Evacuation\n18. [problem:POJ-3281] Dining\n19. [problem:POJ-3469] Dual Core CPU\n20. [problem:POJ-2135] Farm Tour\n21. [problem:POJ-2175] Evacuation Plan\n22. [problem:POJ-3686] The Windy\u0027s\n23. [problem:POJ-3680] Intervals\n24. [problem:POJ-1127] Jack Straws\n25. [problem:Aizu-2308] White Bird\n26. [problem:POJ-2932] Coneology\n27. [problem:POJ-2187] Beauty Contest\n28. [problem:Aizu-1313] Intersection of Two Prisms\n29. [problem:Kattis-numbers2] Numbers\n30. [problem:Kattis-numbersetseasy] Number Sets\n\n3.1二分搜索(练习题)\n1. [problem:POJ-3258] River Hopscotch\n2. [problem:POJ-3273] Monthly Expense\n3. [problem:POJ-3104] Drying\n4. [problem:POJ-3045] Cow Acrobats\n5. [problem:POJ-2976] Dropping tests\n6. [problem:POJ-3111] K Best\n7. [problem:POJ-3579] Median\n8. [problem:POJ-3685] Matrix\n9. [problem:POJ-2010] Moo University - Financial Aid\n10. [problem:POJ-3662] Telephone Lines\n11. [problem:POJ-1759] Garland\n12. [problem:POJ-3484] Showstopper\n\n3.2常用技巧一(练习题)\n1. [problem:POJ-2566] Bound Found\n2. [problem:POJ-2739] Sum of Consecutive Prime Numbers\n3. [problem:POJ-2100] Graveyard Design\n4. [problem:POJ-3185] The Water Bowls\n5. [problem:POJ-1222] EXTENDED LIGHTS OUT\n6. [problem:POJ-2674] Linear world\n7. [problem:POJ-3977] Subset\n8. [problem:POJ-2549] Sumsets\n9. [problem:Aizu-0531] Paint Color\n\n3.3数据结构(练习题)\n1. [problem:POJ-1990] MooFest\n2. [problem:POJ-3109] Inner Vertices\n3. [problem:POJ-2155] Matrix\n4. [problem:POJ-2886] Who Gets the Most Candies?\n5. [problem:POJ-3264] Balanced Lineup\n6. [problem:POJ-3368] Frequent values\n7. [problem:POJ-3470] Walls\n8. [problem:POJ-1201] Intervals\n9. [problem:UVA-11990] ``Dynamic\u0027\u0027 Inversion\n\n3.4动态规划(练习题)\n1. [problem:POJ-2441] Arrange the Bulls\n2. [problem:POJ-3254] Corn Fields\n3. [problem:POJ-2836] Rectangular Covering\n4. [problem:POJ-1795] DNA Laboratory\n5. [problem:POJ-3411] Paid Roads\n6. [problem:POJ-3420] Quad Tiling\n7. [problem:POJ-3735] Training little cats\n8. [problem:POJ-3171] Cleaning Shifts\n\n3.5网络流(练习题)\n1. [problem:POJ-3713] Transferring Sylla\n2. [problem:POJ-2987] Firing\n3. [problem:POJ-2914] Minimum Cut\n4. [problem:POJ-3155] Hard Life\n5. [problem:POJ-1274] The Perfect Stall\n6. [problem:POJ-2112] Optimal Milking\n7. [problem:POJ-1486] Sorting Slides\n8. [problem:POJ-1466] Girls and Boys\n9. [problem:POJ-3692] Kindergarten\n10. [problem:POJ-2724] Purifying Machine\n11. [problem:POJ-2226] Muddy Fields\n12. [problem:POJ-2251] Dungeon Master\n13. [problem:POJ-3068] \"Shortest\" pair of paths\n14. [problem:POJ-2195] Going Home\n15. [problem:POJ-3422] Kaka\u0027s Matrix Travels\n16. [problem:Aizu-2266] Cache Strategy\n17. [problem:Aizu-2230] How to Create a Good Game\n\n3.6计算几何(练习题)\n1. [problem:POJ-1981] Circle and Points\n2. [problem:POJ-1418] Viva Confetti\n3. [problem:Aizu-2201] Immortal Jewels\n4. [problem:POJ-3168] Barn Expansion\n5. [problem:POJ-3293] Rectilinear polygon\n6. [problem:POJ-2482] Stars in Your Window\n7. [problem:POJ-1113] Wall\n8. [problem:POJ-1912] A highway and the seven dwarfs\n9. [problem:POJ-3608] Bridge Across Islands\n10. [problem:POJ-2079] Triangle\n11. [problem:POJ-3246] Game\n12. [problem:POJ-3689] Equations\n13. [problem:Aizu-2256] Divide the Cake\n14. [problem:Aizu-2215] Three Silhouettes\n\n第4章登峰造极--高级篇(例题)\n1. [problem:POJ-2484] A Funny Game\n2. [problem:POJ-2348] Euclid\u0027s Game\n3. [problem:POJ-1704] Georgia and Bob\n4. [problem:POJ-2311] Cutting Game\n5. [problem:POJ-2186] Popular Cows\n6. [problem:POJ-3683] Priest John\u0027s Busiest Day\n7. [problem:POJ-2763] Housewife Wind\n8. [problem:POJ-2559] Largest Rectangle in a Histogram\n9. [problem:POJ-3709] K-Anonymous Sequence\n10. [problem:POJ-2676] Sudoku\n11. [problem:POJ-2918] Tudoku\n12. [problem:POJ-3074] Sudoku\n13. [problem:POJ-3076] Sudoku\n14. [problem:POJ-1084] Square Destroyer\n15. [problem:POJ-1741] Tree\n16. [problem:UVA-10245] The Closest Pair Problem\n17. [problem:POJ-3691] DNA repair\n18. [problem:POJ-3690] Constellations\n19. [problem:POJ-3581] Sequence\n20. [problem:POJ-2217] Secretary\n21. [problem:SPOJ-IE4] Endless Knight\n\n4.1数学问题(练习题)\n1. [problem:POJ-1150] The Last Non-zero Digit\n2. [problem:POJ-1284] Primitive Roots\n3. [problem:POJ-2115] C Looooops\n4. [problem:POJ-3708] Recurrent Function\n5. [problem:POJ-2720] Last Digits\n6. [problem:POJ-2345] Central heating\n7. [problem:POJ-3532] Resistance\n8. [problem:POJ-3526] The Teacher’s Side of Math\n9. [problem:POJ-2407] Relatives\n10. [problem:POJ-1286] Necklace of Beads\n11. [problem:POJ-2409] Let it Bead\n12. [problem:POJ-2164] Find the Border\n13. [problem:POJ-2214] Regions\n\n4.2博弈(练习题)\n1. [problem:POJ-1082] Calendar Game\n2. [problem:POJ-2068] Nim\n3. [problem:POJ-3688] Cheat in the Game\n4. [problem:POJ-1740] A New Stone Game\n5. [problem:POJ-2975] Nim\n6. [problem:POJ-3537] Crosses and Crosses\n7. [problem:CodeForces-138D] World of Darkraft\n8. [problem:POJ-2315] Football Game\n\n4.3图论(练习题)\n1. [problem:POJ-3180] The Cow Prom\n2. [problem:POJ-1236] Network of Schools\n3. [problem:POJ-3678] Katu Puzzle\n4. [problem:POJ-2723] Get Luffy Out\n5. [problem:POJ-2749] Building roads\n6. [problem:POJ-1986] Distance Queries\n7. [problem:POJ-3728] The merchant\n\n4.4常用技巧二(练习题)\n1. [problem:POJ-3250] Bad Hair Day\n2. [problem:POJ-2082] Terrible Sets\n3. [problem:POJ-3494] Largest Submatrix of All 1’s\n4. [problem:POJ-2823] Sliding Window\n5. [problem:POJ-3260] The Fewest Coins\n6. [problem:POJ-1180] Batch Scheduling\n7. [problem:Aizu-1070] FIMO sequence\n\n4.5智能搜索(练习题)\n1. [problem:POJ-1011] Sticks\n2. [problem:POJ-2046] Gap\n3. [problem:POJ-3134] Power Calculus\n4. [problem:POJ-3523] The Morning after Halloween\n5. [problem:POJ-2032] Square Carpets\n6. [problem:UVA-10181] 15-Puzzle Problem\n\n4.6分治法(练习题)\n1. [problem:POJ-1854] Evil Straw Warts Live\n2. [problem:CodeForces-97B] Superset\n3. [problem:POJ-2114] Boatherds\n4. [problem:UVA-12161] Ironman Race in Treeland\n5. [problem:SPOJ-QTREE5] Query on a tree V\n\n4.7字符串(练习题)\n1. [problem:Aizu-2212] Stolen Jewel\n2. [problem:CodeForces-86C] Genetic engineering\n3. [problem:CodeForces-25E] Test\n4. [problem:Aizu-1312] Where\u0027s Wally\n5. [problem:POJ-1509] Glass Beads\n6. [problem:POJ-3415] Common Substrings\n7. [problem:POJ-3729] Facer’s string\n8. [problem:Aizu-2292] Common Palindromes\n9. [problem:CodeForces-123D] String","threadId":28593,"likeCnt":122,"createTime":1524784057000,"isWorkbook":true,"viewCnt":20416,"openness":1,"fav":false,"id":426,"trustable":false}