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题目链接: "http://acm.split.hdu.edu.cn/showproblem.php?pid=5834" Magic boy Bi Luo with his excited tree Time Limit: 8000/4000 MS (Java/Others) Memory Limi 阅读全文
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题目链接: "http://codeforces.com/problemset/problem/710/E" E. Generate a String time limit per test 2 secondsmemory limit per test 512 megabytes 问题描述 zsco 阅读全文
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题目链接: "http://poj.org/problem?id=2559" Largest Rectangle in a Histogram Time Limit: 1000MSMemory Limit: 65536K 问题描述 A histogram is a polygon composed 阅读全文
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题目链接: "http://codeforces.com/contest/6/problem/E" E. Exposition time limit per test 1.5 secondsmemory limit per test 64 megabytes 问题描述 There are sever 阅读全文
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题目链接: "http://www.codeforces.com/contest/476/problem/E" E. Dreamoon and Strings time limit per test 1 secondmemory limit per test 256 megabytes 问题描述 D 阅读全文
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题目链接: "http://acm.split.hdu.edu.cn/showproblem.php?pid=5861" Road Time Limit: 12000/6000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others) 问题描 阅读全文
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题目链接: "http://acm.hdu.edu.cn/showproblem.php?pid=5855" Less Time, More profit Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/ 阅读全文
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题目链接: "http://acm.hust.edu.cn/vjudge/problem/129730" The Big Painting Time Limit: 5000MS 题意 给你一个模板串和待匹配串,问模板串在待匹配串中出现的次数(这里的串是二维矩阵) 题解 每一行做前缀和哈希。 统计的时 阅读全文