{"trustable":false,"prependHtml":"\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cscript type\u003d\u0027text/x-mathjax-config\u0027\u003eMathJax.Hub.Config({tex2jax: { inlineMath: [[\u0027$\u0027,\u0027$\u0027]] } }); \u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027 src\u003d\u0027https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\u0027\u003e\u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027\u003esetTimeout(function(){MathJax.Hub.Queue([\u0027Typeset\u0027, MathJax.Hub, \u0027left_view\u0027]);}, 2000);\u003c/script\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e\n 又是一个风和日丽的早晨,Carered想去找GsjzTle请教问题。由于时间紧迫,他只想尽快到达GsjzTle的家。现在有一张公交线路图,上面有m条公交车线路。Carered可以在任何站换乘公交,他的运气比较好,总是能在下车后立马坐上想坐的公交车。Carered知道自己家附近的公交站和G神家附近有哪些公交站,他想知道他最快能在多少分钟内到达?\n注:只要到达G神家附近的公交站即可视为到达他家,同理Carered从家到公交站不花费时间。\n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"输入数据有多组,每组的第一行是三个整数m,s和d,表示有m条线路,和Carered家相邻的站点的有s个,G神家附近有D个; \n\u003cbr\u003e 接着有m行,每行有三个整数u,v,time,表示u,v站点之间的车程是time小时;(1\u003d\u0026lt;(u,v)\u0026lt;\u003d1000;u,v 之间可能有多条路) \n\u003cbr\u003e 接着的第m+1行有s个数,表示和Carered家相连的站点; \n\u003cbr\u003e 接着的第m+2行有D个数,表示GsjzTle家附近的站点。"}},{"title":"Output","value":{"format":"HTML","content":"输出Carered到达的最短时间"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e6 2 3\n1 3 5\n1 4 7\n2 8 12\n3 8 4\n4 9 12\n9 10 2\n1 2\n8 9 10\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e9\u003c/pre\u003e"}}]}