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Josif_tepe

Untitled

Dec 3rd, 2023
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C++ 0.23 KB | None | 0 0
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int n;
  7.     cin >> n;
  8.    
  9.     int x = 1;
  10.     int sum = 0;
  11.    
  12.     while(x <= n) {
  13.         sum += x;
  14.         x++;
  15.     }
  16.     cout << sum << endl;
  17.     return 0;
  18. }
  19.  
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