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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     unsigned int a, m, n = 0;
  6.     cin>>a>>m;
  7.     while (m - 2 * a != 0){
  8.             m -= a;
  9.             a ++;
  10.             n ++;
  11.     }
  12.     cout<<n + 1;
  13.     return 0;
  14. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/KtJDDt
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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