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1533A2s256 MB⌨ stdin/stdout
#*special#implementation#math

Examples

Sample 1of 1
Input
3
3 3
1 4
2 6
4 10
2 4
2 3
5 8
2 4
4 4
1 3
Output
4
0
1
1533A.cpp
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Ln 11·137 BGNU C++20 (64)