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2022

2022-06-24[AtCoder] A - Permutation Grid

2022-06-24[AtCoder] E - Σ[k=0..10^100]floor(X／10^k)

2022-06-24[AtCoder] D - Count Interval

2022-06-24[AtCoder] C - Product

2022-06-24[AtCoder] B - Shift and Reverse

2022-06-24[Codeforces] CodeCraft-20 (Div. 2) B. String Modification

2022-06-24[Codeforces] Round #625 (Div. 1, based on Technocup 2020 Final Round) A. Journey Planning

2022-06-24[Codeforces] Round #627 (Div. 3) D. Pair of Topics

2022-06-24[Codeforces] Round #631 (Div. 2) - Thanks, Denis aramis Shitov! B. Dreamoon Likes Permutations

2022-06-24[Codeforces] Round #630 (Div. 2) B. Composite Coloring

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