11 2017 档案
摘要:题目链接:E. Maximum Subsequence用了一个Meet-in-the-middle的技巧,还是第一次用到这个技巧,其实这个技巧和二分很像,主要是在dfs中,如果数量减小一半可以节约很多的时间。 Meet in the middle(有时候也叫作...
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摘要:D. Dog Showtime limit per test2 seconds memory limit per test256 megabytesProblem DescriptionA new dog show on TV is starting next wee...
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摘要:题目链接:http://codeforces.com/problemset/problem/699/CC. Vacationstime limit per test1 second memory limit per test256 megabytesProblem D...
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摘要:B. One Bombtime limit per test1 second memory limit per test256 megabytesProblem DescriptionYou are given a description of a depot. It...
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摘要:SortTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=588...
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摘要:D. Boxes And Ballstime limit per test2 seconds memory limit per test256 megabytes题目链接:http://codeforces.com/contest/884/problem/DDescr...
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摘要:题目链接 :http://acm.nyist.edu.cn/JudgeOnline/problem.php?pid=737这个动态规划的思是,要得出合并n堆石子的最优答案可以从小到大枚举所有石子合并的最优情况,例如要合并5堆石子就可以从,最优的2+3和1+4中得到最佳...
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摘要:题目链接:http://codeforces.com/contest/879/problem/CC. Short Programtime limit per test2 seconds memory limit per test256 megabytesPetya l...
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摘要:E. Danil and a Part-time Job题目链接:http://codeforces.com/contest/877/problem/Etime limit per test2 seconds memory limit per test256 mega...
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摘要:题目链接:http://codeforces.com/contest/877/problem/DD. Olya and Energy Drinkstime limit per test2 seconds memory limit per test256 megabyt...
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摘要:题目链接:http://codeforces.com/contest/877/problem/BNikita and stringtime limit per test2 seconds memory limit per test256 megabytesNikita...
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