Segment trees

Problems

Name Solved / Tries Average tries Average tries to solve
A Points of Snow 15/110 (14%) 6.11 5.87
B Mega Inversions 8/13 (62%) 1.44 1.50
C Movie Collection 15/23 (65%) 1.53 1.53
D Nekameleoni 3/21 (14%) 7.00 7.00