wondering-world:
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wondering-world:
博客地址:https://www.cnblogs.com/wondering-world/
Codeforces Round 863 (Div. 3) A-E 好题!标记一下
P2341 [USACO03FALL][HAOI2006]受欢迎的牛 G
P3000 [USACO10DEC]Cow Calisthenics G
方格取数+ 传纸条 noip2000 + noip2008 DP