{"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":"描述","value":{"format":"HTML","content":"\u003cp\u003e\n\t\u003cspan style\u003d\"font-size:16px;\"\u003e简化题目意思:给定一张图,问:删除给出的图中的最少的边,让图无奇数边的环?\u003c/span\u003e\u003cspan style\u003d\"font-size:16px;\"\u003e\u003c/span\u003e\n\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"首先输入 T 组测试数据;\u003cbr /\u003e\n输入n,m 代表n个点m条边;\u003cbr /\u003e\n接下来m行(a,b),代表a与b有一条双向边。\u003cbr /\u003e"}},{"title":"Output","value":{"format":"HTML","content":"输出一个整数代表答案\u003cbr /\u003e\n0 \u0026lt; T \u0026lt;\u003d 10\u0026nbsp;\u003cbr /\u003e\n0 \u0026lt;\u003d N \u0026lt;\u003d 15 0 \u0026lt;\u003d M \u0026lt;\u003d 300\u0026nbsp;\u003cbr /\u003e\n0 \u0026lt;\u003d u, v \u0026lt; N and there may be more than one channel between two stars.\u0026nbsp;\u003cbr /\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e1\n3 3\n0 1\n1 2\n2 0\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e1\u003c/pre\u003e"}}]}