{"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 \u003ccenter\u003e \n \u003cimg style\u003d\"max-width:100%;\" SRC\u003d\"CDN_BASE_URL/4e1a455cd8286ae049ef90e7be32bbfb?v\u003d1571748801\"\u003e \n \u003c/center\u003e \n \u003cbr\u003e求地图中的最小生成树。\n\u003cbr\u003e多组输入。每个数据第一行为图中点的个数。紧接着n-1行,每行的第一个字母为图中的某一个点,(按照字典序升序),第二个数字表示这个点与比它字典序大的相连点的个数,然后后面紧接着为相连边的情况。\n当地图中点的个数为0时,输入结束。\n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cpre\u003e9\nA 2 B 12 I 25\nB 3 C 10 H 40 I 8\nC 2 D 18 G 55\nD 1 E 44\nE 2 F 60 G 38\nF 0\nG 1 H 35\nH 1 I 35\n3\nA 2 B 10 C 40\nB 1 C 20\n0\u003c/pre\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cpre\u003e216\n30\u003c/pre\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e9\nA 2 B 12 I 25\nB 3 C 10 H 40 I 8\nC 2 D 18 G 55\nD 1 E 44\nE 2 F 60 G 38\nF 0\nG 1 H 35\nH 1 I 35\n3\nA 2 B 10 C 40\nB 1 C 20\n0\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e216\n30\u003c/pre\u003e"}}]}