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Heavy-Light Descomposition problems
Problem Name Online Judge Year Contest Difficulty Level
1 Query on a tree Categories SPOJ 1
2 Query on a tree again! Categories SPOJ 1
3 Query on a tree II Categories SPOJ 1
4 Count on a tree Categories SPOJ 1
5 Query on a tree IV Categories SPOJ 2
6 Can you answer these queries VII Categories SPOJ 2
7 Count on a tree II Categories SPOJ 2
8 OTOCI Categories SPOJ 2
9 Query on a tree V Categories SPOJ 2
10 Dynamic GCD Categories CodeChef 3
11 Coloring Trees Categories SPOJ 3
12 Tree Categories CodeChef 3
13 Prime Distance On Tree Categories CodeChef 3
14 Query on a tree VI Categories SPOJ 3
15 Gao on a tree Categories SPOJ 3
16 Xenia and Tree Categories Codeforces Codeforces Round #199 (Div. 2) 4
17 Grass Planting Categories SPOJ 4
18 Propagating tree Categories Codeforces Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) 4
19 Tree Again Categories CodeChef 4
20 Caves and Tunnels Categories Timus 4
21 Idols and Fans Categories CodeChef 4
22 Query on a tree VI Categories CodeChef 4
23 Duff in the Army Categories Codeforces Codeforces Round #326 (Div. 1) & Codeforces Round #326 (Div. 2) 5
24 Observing the Tree Categories CodeChef 5
25 Imperial roads Categories Live Archive 2017 Latin America 5
26 Combat on a tree Categories SPOJ 5
27 Fibonacci Numbers on Tree Categories CodeChef 6
28 Black and White Tree Categories CodeChef 6
29 Case of Computer Network Categories Codeforces Codeforces Round #310 (Div. 1) 7
30 Beard Graph Categories Codeforces Codeforces Round #112 (Div. 2) 7
31 Push the Flow! Categories CodeChef 7
32 Happy Tree Party Categories Codeforces Codeforces Round #329 (Div. 2) 7
33 Scheme Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 8
34 Graph Game Categories Codeforces Codeforces Round #146 (Div. 1) 9
35 ...Wait for it... Categories Codeforces Codeforces Round #362 (Div. 1) 9
36 Tree or not Tree Categories Codeforces Codeforces Beta Round #88 10