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Codeforces Round #614 (Div. 2)A. ConneR and the A.R.C. Markland-N

2020-07-21 codeforces div conner a.r.c markland CSS

Codeforces Round #656 (Div. 3) D a-Good String （ dfs ）

2020-07-21 codeforces div good string dfs CSS

Educational Codeforces Round 80 (Rated for Div. 2)A. Deadline

2020-07-21 educational codeforces rated div deadline CSS

Codeforces Round #656 (Div. 3) E. Directing Edges

2020-07-21 codeforces div directing edges CSS

Codeforces Round #656 (Div. 3)前四題（比賽中作出來的）

2020-07-21 codeforces div 比賽作出來的 CSS

Educational Codeforces Round 91 (Rated for Div. 2) A. Three Indices

2020-07-21 educational codeforces rated div indices CSS

Codeforces Round #656 (Div. 3)

2020-07-21 codeforces div CSS

Codeforces Round #656 (Div. 3) B. Restore the Permutation by Merger

2020-07-21 codeforces div restore permutation merger CSS

Codeforces Round #570 (Div. 3)D. Candy Box (easy version)

2020-07-21 codeforces div candy box easy version CSS

Codeforces Round #570 (Div. 3) G. Candy Box (hard version)

2020-07-21 codeforces div candy box hard version CSS

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