Codeforces Round #439 (Div. 2) E. The Untended Antiquity hash+二维树状数组或二维线段树 - 代码天地

Codeforces Round #439 (Div. 2) E. The Untended Antiquity hash+二维树状数组或二维线段树

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转载自blog.csdn.net/litmxs/article/details/78515583

Codeforces Round #439 (Div. 2) E. The Untended Antiquity hash+二维树状数组或二维线段树

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Educational Codeforces Round 56 (Rated for Div. 2) E. Intersection of Permutations（分块 + 树状数组）

Codeforces Round #227 (Div. 2) E. George and Cards（树状数组+贪心+思维）

Codeforces Round #287 (Div. 2)E. Breaking Good

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