{"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":"MD","content":"有N个商品,买三件,最便宜的一件免费,那么买完这N个商品至少花多少钱"}},{"title":"Input","value":{"format":"MD","content":"第一行输入T,表示以下有多少组测试数据\n每组第一行是N,第二行是N个正整数,表示这N个商品的价格"}},{"title":"Output","value":{"format":"MD","content":"For each test case, output one line containing “Case #x: y”, where x is the test case number (starting from 1) and y is the least amount of money you need to pay. \n\n\u003ch2\u003elimits\u003c/h2\u003e \n1 ≤ T ≤ 100. \n1 ≤ N ≤ 1e5. \n1 ≤ pi ≤ 1000. \npi代表每个商品的价格"}},{"title":"Sample Input","value":{"format":"MD","content":"\u003cpre\u003e2\n3\n1 2 3\n5\n10 20 30 20 20\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"MD","content":"\u003cpre\u003eCase #1: 5\nCase #2: 80\u003c/pre\u003e"}}]}