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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main () {
  6.     int n, c, new_n = 0;
  7.     cin >> n >> c;
  8.     int n1 = n, power_10 = 1, no_digit_n = 0, no_0_finish_n = 1, counter = 0;
  9.     while (n1 > 0) { // aflu cea mai mare putere a lui 10 < n
  10.         if (n1 % 10 == 0 && counter == no_digit_n && c != 0) {
  11.             no_0_finish_n *= 10;
  12.             counter++;
  13.         }
  14.         power_10 *= 10;
  15.         n1 /= 10;
  16.         no_digit_n++;
  17.     }
  18.     power_10 /= 10;  // CORECTIE OBLIGATORIE! altfel arata cu x 10 mai mult
  19.     int no_of_c = 0;
  20.     cout << power_10 << " " << no_0_finish_n << "\n";
  21.     while (n > 0) {
  22.         if (n / power_10 == c) {
  23.             no_of_c++;
  24.         } else { // != c
  25.             new_n = new_n * 10 + n / power_10;
  26.         }
  27.         n %= power_10, power_10 /= 10;
  28.     }
  29.     new_n *= no_0_finish_n; // PTR SITUATIILE CAND N SE TERMINA CU ZEROURI
  30.     if (no_of_c == no_digit_n) {
  31.         cout << -1;
  32.     } else {
  33.         cout << new_n;
  34.     }
  35.     return 0;
  36. }
Success #stdin #stdout 0s 5660KB
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30030	    3
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https://ideone.com/k4h1iV
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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