codeforces 题解

 

Codeforces Round #666 (Div. 2) 题解

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Educational Codeforces Round 94 (Rated for Div. 2)

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Codeforces Round #665 (Div. 2)

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Educational Codeforces Round 93 (Rated for Div. 2)

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Codeforces Round #664 (Div. 2)

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Codeforces Round #656 (Div. 3)

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Codeforces Round #655 (Div. 2) 

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Codeforces Round #648 (Div. 2)

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Codeforces Round #647 (Div. 2)

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Codeforces Round #646 (Div. 2)

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Educational Codeforces Round 88 (Rated for Div. 2)

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Codeforces Round #645 (Div. 2)

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Codeforces Round #644 (Div. 3)

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Educational Codeforces Round 87 (Rated for Div. 2)

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Codeforces Round #643 (Div. 2)

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Codeforces Round #642 (Div. 3)

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Codeforces Round #641 (Div. 2)

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Codeforces Round #640 (Div. 4)

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Codeforces Round #639 (Div. 2)

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Educational Codeforces Round 86 (Rated for Div. 2)

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Codeforces Round #637 (Div. 2)

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Codeforces Round #636 (Div. 3)

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Codeforces Round #635 (Div. 2)

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Codeforces Round #634 (Div. 3)

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Educational Codeforces Round 85 (Rated for Div. 2)

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Codeforces Round #632 (Div. 2)

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Codeforces Round #631 (Div. 2)

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Codeforces Round #630 (Div. 2)

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Codeforces Round #629 (Div. 3)

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Educational Codeforces Round 84 (Rated for Div. 2)

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Codeforces Global Round 7  查看题解

Codeforces Round #628 (Div. 2)

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Codeforces Round #627 (Div. 3)

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Educational Codeforces Round 83 (Rated for Div. 2)

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CodeCraft-20 (Div. 2) 

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Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!)  查看题解

Educational Codeforces Round 2

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1285A Mezo Playing Zoma

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1285B Just Eat It! 查看题解 最大连续子序列

1285C Fadi and LCM

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数论

1285D Dr. Evil Underscores

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1287A Angry Students

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1288A Deadline

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1288B Yet Another Meme Problem

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1293A ConneR and the A.R.C. Markland-N

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1293B JOE is on TV!

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1293C NEKO's Maze Game

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1294A Collecting Coins

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1294B Collecting Packages

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1294C Product of Three Numbers

查看题解 暴力+剪枝

1294D MEX maximizing

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