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E. Lomsat gelralTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/600/problem/EDescriptionYou are given a rooted tree with root ... 阅读全文
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C. Make PalindromeTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/600/problem/CDescriptionA string is called palindrome if it ... 阅读全文
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B. Queries about less or equal elementsTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/600/problem/BDescriptionYou are given t... 阅读全文
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A. Extract NumbersTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/contest/600/problem/ADescriptionYou are given strings. Let's callwor... 阅读全文
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ArrayTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5587DescriptionVicky is a magician who loves math. She has gr... 阅读全文
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SumTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5586DescriptionThere is a number sequenceA1,A2....An,you can se... 阅读全文
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Weird AdvertisementTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hust.edu.cn/vjudge/problem/visitOriginUrl.action?id=18802Description2DPlaneLan... 阅读全文
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The E-pang PalaceTime Limit: 20 SecMemory Limit: 256 MB题目连接http://acm.hust.edu.cn/vjudge/problem/visitOriginUrl.action?id=217902DescriptionE-pang Pala... 阅读全文