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链接:https://www.nowcoder.com/acm/contest/131/B来源:牛客网 题目描述 矩阵 M 包含 R 行 C 列,第 i 行第 j 列的值为 Mi,j。 请寻找一个子矩阵,使得这个子矩阵的和最大,且满足以下三个条件: 子矩阵的行数不能超过 X 行。 子矩阵的列数不能超 阅读全文
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Xiaoming has just come up with a new way for encryption, by calculating the key from a publicly viewable number in the following way: Let the public k 阅读全文
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Friends and Enemies Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1379 Accepted Submission(s): 阅读全文
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Problem Description A mysterious country will hold a football world championships Abnormal Cup, attracting football teams and fans from all around the 阅读全文