ID NAME QUALITY USERS ACC % DIFFICULTY C I
34327 Cyclic Counting Gamble   16
27321 Increasing numbers   17 570
13
19
36998 Superpowertree   2 23
17
17
31938 SLIS   2 133
34
34
36886 Absurdistans Teaparties   4 19
34
23

#segment-tree-1

A segment tree is a tree data structure for storing intervals, or segments.

https://en.wikipedia.org/wiki/Segment_tree https://www.youtube.com/watch?v=ZBHKZF5w4YU - video lecture