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K ga karrali subarraylar soni | HackNow
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K ga karrali subarraylar soni
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UZ only
O'rta
25 points
1500 ms
256 MB
Prefix Sum
Author:
neo_yamaguchi
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Output format
Constraints
Examples
2
1
Example #1
Input
6 5 4 5 0 -2 -3 1
Output
7
2
Example #2
Input
3 2 1 1 1
Output
1
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Python 3
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