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  1. #include <iostream>
  2. #include <string.h>
  3. using namespace std;
  4.  
  5. struct telefone{
  6.     char digito[200];
  7. };
  8.  
  9. int main(void){
  10.  
  11.     long int i = 0, N = 0;
  12.     int soma = 0, j = 0;
  13.  
  14.         cin >> N;
  15.  
  16.     while(!cin.eof()){
  17.     struct telefone tel[N];
  18.  
  19.     for(i=0; i<N; i++){
  20.         cin >> tel[i].digito;
  21.     }
  22.     int tamanho = strlen(tel[0].digito);
  23.  
  24.     for(i = 0; i < N - 1 ; i++){
  25.         for(j=0; j<tamanho; j++){
  26.                 if (tel[i].digito[j] == tel[i+1].digito[j])
  27.                     soma++;
  28.                 else break;
  29.             }
  30.     }
  31.     cout << soma << endl;
  32.     soma = 0;
  33.     cin >> N;
  34.  
  35.     }
  36. }
Success #stdin #stdout 0s 4488KB
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https://ideone.com/mkugRS
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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