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题目链接:http://poj.org/problem?id=1741 Tree Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 35091 Accepted: 11718 Description Give a tree with 阅读全文
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Cotree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 513 Accepted Submission(s): 192 Problem 阅读全文
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题目链接:https://nanti.jisuanke.com/t/41298 Here is a square matrix of n * nn∗n, each lattice has its value (nn must be odd), and the center value is n * 阅读全文
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题目链接:http://codeforces.com/contest/1204/problem/D1 D1. Kirk and a Binary String (easy version) time limit per test 1 second memory limit per test 256 阅读全文