You must be logged in to edit the categories for this problem

739B - Alyona and a tree (Codeforces - Codeforces Round #381 (Div. 1) & Codeforces Round #381 (Div. 2)) categories

Category Problems Count
1 DFS & BFS & Dijkstra 569
2 data structures 496
3 Codeforces Div. 2 - D Problems 443
4 Binary Search & Ternary Search 352
5 graphs 293
6 trees 202