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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6.     int n;
  7.     cin >> n;
  8.     bool found =false ;
  9.                 for (int i=1; i<=n; i++)
  10.     {
  11.         if (i%2==0)
  12.         {
  13.             cout << i << endl;
  14.             found = true;
  15.         }
  16.         }
  17.         if (!found) {
  18.             cout << "-1" << endl;
  19.         }
  20.  
  21.  
  22.  
  23.  
  24.  
  25.  
  26. }
  27.  
  28.  
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/aYRlmz
language:
C++14 (gcc 8.3)
created:
4 days ago
visibility:
public

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