diff --git a/src/graph/hld.md b/src/graph/hld.md
index 2373cf391..bd56798fd 100644
--- a/src/graph/hld.md
+++ b/src/graph/hld.md
@@ -183,3 +183,8 @@ int query(int a, int b) {
## Practice problems
- [SPOJ - QTREE - Query on a tree](https://www.spoj.com/problems/QTREE/)
+- [CSES - Path Queries II](https://cses.fi/problemset/task/2134)
+- [Codeforces - Subway Lines](https://codeforces.com/gym/101908/problem/L)
+- [Codeforces - Tree Queries](https://codeforces.com/contest/1254/problem/D)
+- [Codeforces - Tree or not Tree](https://codeforces.com/contest/117/problem/E)
+- [Codeforces - The Tree](https://codeforces.com/contest/1017/problem/G)
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