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Nov 27th, 2015
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  1. #include <iostream>
  2. #include <fstream>
  3.  
  4. using namespace std;
  5.  
  6. int numar(int n, int c1, int c2){
  7. int nr = 0;
  8. int p = 1;;
  9. while(n){
  10. if(n % 10 == c1){
  11. nr += c2*p;
  12. p *= 10;
  13. }
  14. else{
  15. nr += n % 10 * p;
  16. p *= 10;
  17. }
  18. n /= 10;
  19. }
  20. return nr;
  21. }
  22.  
  23. int main()
  24. {
  25.  
  26. cout << numar(123, 4, 7);
  27.  
  28. return 0;
  29. }
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