cf/mirror

Sereja and Squares

CF
425D2300· international master2s512 MB⌨ stdin/stdout
#binary search#data structures#hashing

Examples

Sample 1of 2
Input
5
0 0
0 2
2 0
2 2
1 1
Output
1
Sample 2of 2
Input
9
0 0
1 1
2 2
0 1
1 0
0 2
2 0
1 2
2 1
Output
5
425D.cpp
loading editor…
Ln 11·137 BGNU C++20 (64)