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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int mas[10000], i, n;
  6. cin >> n;
  7. for (i = 0; i < n; i++)
  8. cin >> mas[i];
  9. for (i = 0; i < n; i=i+3)
  10. cout << mas[i] << " ";
  11. }
Success #stdin #stdout 0s 5464KB
stdin
6
1 2 3 4 5 6
stdout
1 4