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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int n[100], x[100], p[100];
  6. int z, c;
  7. cin >> z >> c;
  8. n[0] = z, x[0] = c;
  9. for (int i = 1; i <= z; ++i) {
  10. cin >> n[i];
  11. }
  12. for (int i = 1; i <= c; ++i) {
  13. cin >> x[i];
  14. }
  15. int y = 0;
  16. for (int i = 1; i <= z + c; ++i) {
  17. if (n[i] == x[i]) {
  18. p[i] = x[i];
  19. ++y;
  20. }
  21. }
  22. p[0] = y;
  23. for (int i = 0; i <= p[0]; ++i) {
  24. cout << p[i] << " ";
  25. }
  26. return 0;
  27. }
Success #stdin #stdout 0s 5284KB
stdin
4 5
1 2 3 4
5 2 3 4 1
stdout
5 0 2 3 4 0