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Nastya and CBS

CF
1340F3300· legendary gm4s256 MB⌨ stdin/stdout
#brute force#data structures#hashing

Examples

Sample 1of 4
Input
2 1
1 -1
1
2 1 2
Output
Yes
Sample 2of 4
Input
2 2
1 -2
1
2 1 2
Output
No
Sample 3of 4
Input
6 2
1 2 -2 -1 1 -1
3
2 1 6
2 1 4
2 2 5
Output
Yes
Yes
No
Sample 4of 4
Input
2 2
-1 1
4
2 1 2
1 1 1
1 2 -1
2 1 2
Output
No
Yes
1340F.cpp
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Ln 11·137 BGNU C++20 (64)