cf/mirror

Game with Multiset

CF
1913C1300· pupil1.5s256 MB⌨ stdin/stdout
#binary search#bitmasks#brute force#greedy

Examples

Sample 1of 2
Input
5
1 0
1 0
1 0
2 3
2 4
Output
YES
NO
Sample 2of 2
Input
7
1 0
1 1
1 2
1 10
2 4
2 6
2 7
Output
YES
YES
YES
1913C.cpp
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Ln 11·137 BGNU C++20 (64)