codeforces_B. Forgery
摘要:
http://codeforces.com/contest/1059/problem/B 题意: For simplicity, the signature is represented as an n×mn×m grid, where every cell is either filled wit 阅读全文
posted @ 2018-10-06 16:40 JASONlee3 阅读(305) 评论(0) 推荐(0) 编辑