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1571 The Fox and the Complete Tree Traversal constructive algorithms dp games implementation math trees Statement C Codeforces Round 866 (Div. 1) {1819} PROGRAMMING 1500.0 Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial
194 Tree LGM constructive algorithms games trees Statement G Hello 2024 {1919} PROGRAMMING 4000.0 3500