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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6.     int n,x ;
  7.     cin >> n;
  8.  
  9.     int sum =0 ;
  10.     for (int i=1 ; i<=n ; i++)
  11.     {    
  12.     x = pow(2,i);
  13.      sum+=x ; 
  14.  
  15.         cout << sum  << endl;
  16.  
  17.  
  18.  
  19.  
  20.  
  21.     }
  22.     return 0;
  23.     }
Success #stdin #stdout 0.01s 5320KB
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Standard output is empty
https://ideone.com/UsToaI
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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