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119 Centroid Guess interactive probabilities trees Statement G Pinely Round 1 (Div. 1 + Div. 2) {1761} PROGRAMMING 3500.0 Pinely Round 1 (Div. 1 + Div. 2) Editorial
321 Roads in E City interactive math probabilities trees Statement E Codeforces Round 866 (Div. 1) {1819} PROGRAMMING 2750.0 Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial