摘要：
Labeling Balls Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16032 Accepted: 4713 Description Windy has N balls of distinct weights from 阅读全文
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Redundant Paths Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 18580 Accepted: 7711 Description In order to get from one of the F (1 <= F 阅读全文
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Network of Schools Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 19613 Accepted: 7725 Description A number of schools are connected to a 阅读全文
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Going from u to v or from v to u? Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 19552 Accepted: 5262 Description In order to make their s 阅读全文