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cf Educational Codeforces Round 57 D. Easy Problem
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cf Educational Codeforces Round 53 C. Vasya and Robot
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cf Educational Codeforces Round 53 D. Berland Fair
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cf Educational Codeforces Round 52 D. Three Pieces
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2018-10-20 05:20:08
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cf Educational Codeforces Round 43 D. Degree Set
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