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codeforces 691D D. Swaps in Permutation(dfs)

LittlePointer 2016-07-15 14:23 阅读:384 评论:0 推荐:0

codeforces 587B B. Duff in Beach(dp)

LittlePointer 2016-04-09 21:25 阅读:381 评论:0 推荐:0

codeforces 690D2 D2. The Wall (medium)(组合数学)

LittlePointer 2016-07-11 22:28 阅读:379 评论:0 推荐:0

codeforces 691C C. Exponential notation(科学计数法)

LittlePointer 2016-07-15 14:16 阅读:378 评论:0 推荐:0

hdu-3592 World Exhibition(差分约束)

LittlePointer 2016-05-10 11:10 阅读:378 评论:0 推荐:0