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POJ P2155 Matrix
Matrix Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 18581 Accepted: 7001 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j]原创 2014-09-10 19:57:53 · 490 阅读 · 0 评论 -
POJ P1151 Atlantis 这本是一道线段树加扫描线的板题~~
Atlantis Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 17656 Accepted: 6717 Description There are several ancient Greek texts that contain descriptions原创 2014-09-12 01:00:37 · 479 阅读 · 0 评论