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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.  
  7. int N = 20;
  8.  
  9. for (int i = 1; i < N; i = i + 1 + ((i + 1) % 3 == 0)) {
  10.  
  11. cout << i << ' ';
  12.  
  13. }
  14.  
  15. cout<<'\n';
  16.  
  17. for (int i = 1; i < N; i = i + 2 + 2 * ((i + 2) % 3 == 0)) {
  18. //instructions
  19. cout << i << ' ';
  20.  
  21. }
  22.  
  23. return 0;
  24. }
Success #stdin #stdout 0s 15240KB
stdin
Standard input is empty
stdout
1 2 4 5 7 8 10 11 13 14 16 17 19 
1 5 7 11 13 17 19