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