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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	long long a, b;
  6. 	cin >> a >> b;
  7.  
  8. 	cout << min(a - a / b * b,  a - (a / b - 1) * b);
  9.  
  10. 	return 0;
  11. }
Success #stdin #stdout 0s 5328KB
comments (?)
stdin 
-15 4
stdout 
-3
https://ideone.com/zjLTsS
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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