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_zidaoziyan
这个作者很懒，什么都没留下…
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poj3255(次短路,好题)
Roadblocks Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10258 Accepted: 3662 Description Bessie has moved to a small farm and sometimes enjoys returning原创 2015-10-23 20:05:40 · 540 阅读 · 0 评论 -
poj3169(差分约束)
LayoutTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 8830 Accepted: 4247DescriptionLike everyone else, cows like to stand close to their friends when queuing for feed. FJ has N (2 <= N <=原创 2015-10-27 09:38:49 · 332 阅读 · 0 评论