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BZOJ1699: [Usaco2007 Jan]Balanced Lineup排队

Time Limit: 5 Sec  Memory Limit: 64 MB Description 每天,农夫 John 的N(1 <= N <= 50,000)头牛总是按同一序列排队. 有一天, John…

2017-07-26 0 Comments 1,448 Views 0 Times 阅读全文
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