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#1041 : 国庆出游 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 小Hi和小Ho准备国庆期间去A国旅游。A国的城际交通比较有特色:它共有n座城市(编号1-n);城市之间恰好有n-1条公路相连,形成一个树形公路网。小Hi计划从A国首都(... 阅读全文
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reference:http://blog.csdn.net/lvshubao1314/article/details/39134147 Untrusted Patrol Time Limit: 3 Seconds Memory Limit: 65536 KB Edward i... 阅读全文
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Palindrome Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 62132 Accepted: 21652 Description A palindrome is a symmetri... 阅读全文
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AGTC Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 12744 Accepted: 4801 Description Let x and y be two strings over s... 阅读全文
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I know, up on top you are seeing great sights, But down at the bottom, we, too, should have rights. We turtles can't stand it. Our shells will all... 阅读全文
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D. Bear and Tower of Cubes time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard out... 阅读全文