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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
2005 Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp flows graphs greedy implementation trees Statement D Codeforces Round 720 (Div. 2) {1521} PROGRAMMING 2250.0 90477
3124 Sum Graph constructive algorithms graphs implementation interactive math shortest paths trees Statement B Codeforces Round 865 (Div. 1) {1815} PROGRAMMING 1250.0 Editorial of Codeforces Round #865 2000
294 Flower-like Pseudotree constructive algorithms graphs implementation trees Statement D Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 1750.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial