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609E - Minimum spanning tree for each edge (Codeforces - Educational Codeforces Round 3) categories

Category Problems Count
1 DFS & BFS & Dijkstra 565
2 data structures 489
3 Codeforces Div. 2 - E Problems 439
4 graphs 291
5 trees 202
6 dsu 116
7 Minimum Spanning Tree 5