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大二训练第二周 F - How far away ？ lca
F - How far away ？ Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Description There are n houses in the village and some bidirectional roads原创 2015-11-14 11:53:55 · 471 阅读 · 0 评论 -
大二训练第二周 - Distance Queries lca
E - Distance Queries Time Limit:2000MS Memory Limit:30000KB 64bit IO Format:%I64d & %I64u Submit Status Description Farmer John's cows refused to run in his marathon since he原创 2015-11-14 11:51:16 · 516 阅读 · 0 评论