cf/mirror

Array Cancellation

CF
1405B1000· newbie1s256 MB⌨ stdin/stdout
#constructive algorithms#implementation

Examples

Sample 1of 1
Input
7
4
-3 5 -3 1
2
1 -1
4
-3 2 -3 4
4
-1 1 1 -1
7
-5 7 -6 -4 17 -13 4
6
-1000000000 -1000000000 -1000000000 1000000000 1000000000 1000000000
1
0
Output
3
0
4
1
8
3000000000
0
1405B.cpp
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Ln 11·137 BGNU C++20 (64)