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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, c;
  6. 	cin >> n >> c;
  7. 	const int ten = 10;
  8. 	int nouNumar = 0;
  9. 	int number = 0;
  10. 	int repetari = 0;
  11. 	while (n > 0) {//here we find what is the new number but in mirror
  12. 		number = n % ten;
  13. 		if (number != c) {
  14. 			nouNumar = (nouNumar + number) * ten;
  15. 			if (n < ten) {
  16. 				nouNumar /= ten;
  17. 			}
  18. 		}
  19. 		number = 0;
  20. 		n /= ten;
  21. 	}
  22. 	//we reverse the mirror
  23. 	int mirror = 0, i = 0;
  24. 	while (nouNumar > 0) {
  25. 		i = nouNumar % ten;
  26. 		mirror = (mirror + i) * ten;
  27. 		if (nouNumar < ten) {
  28. 			mirror /= ten;
  29. 		} 
  30. 		nouNumar /= ten;
  31. 	}
  32. 	if (mirror == 0) {
  33. 		mirror = -1;
  34. 	}
  35. 	cout << mirror;
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 5304KB
comments (?)
stdin
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2222222
2
stdout
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-1
https://ideone.com/mZiTPu
language:
C++ (gcc 8.3)
created:
175 days ago
visibility:
public

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