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Persistent Segment Tree problems
Problem Name Online Judge Contest Difficulty Level
1 K-th Number Categories SPOJ 1
2 Count on a tree Categories SPOJ 1
3 D-query Categories SPOJ 1
4 To the moon Categories SPOJ 4
5 Persistent Bookcase Categories Codeforces Codeforces Round #368 (Div. 2) 5
6 Pathwalks Categories Codeforces Divide by Zero 2018 and Codeforces Round #474 (Div. 1 + Div. 2, combined) 6
7 Till I Collapse Categories Codeforces Codeforces Round #406 (Div. 1) & Codeforces Round #406 (Div. 2) 7
8 Army Creation Categories Codeforces Educational Codeforces Round 22 7
9 Functions On The Segments Categories Codeforces Educational Codeforces Round 26 9