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Codeforces
5 题 · 0 已翻译
Codeforces Round 388 (Div. 2)
2016/12/20 00:35120 分钟749
Codeforces
ABachgold ProblemBachgold Problem
800
仅原文
BParallelogram is BackParallelogram is Back
1200
仅原文
CVotingVoting
1500
仅原文
DLeaving AuctionLeaving Auction
2000
仅原文
EInversions After ShuffleInversions After Shuffle
2400
仅原文