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516D - Drazil and Morning Exercise (Codeforces - Codeforces Round #292 (Div. 1)) categories

Category Problems Count
1 Dynamic Programming 1209
2 DFS & BFS & Dijkstra 565
3 Best Problem Setters 410
4 Codeforces Div. 1, D 209
5 trees 202
6 Segment Tree 162
7 two pointers 128
8 dsu 116