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weldisalves

Lista 04 - exercício 37

Jun 22nd, 2013
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  1. #include <stdio.h>
  2. #include <string.h>
  3. #define MAX 14
  4.  
  5. //37. Verifique a validade de um CPF.
  6.  
  7. int main()
  8. {
  9.     char cpf[MAX];
  10.     int i,cont=0,certo=0;
  11.  
  12.     printf("\n Digite o numero do cpf com pontos e traco:\n");
  13.     scanf("%s",cpf);
  14.  
  15.     for(i=0;i<MAX;i++)
  16.     {
  17.         if(cpf[i]>=48 && cpf[i]<=57)
  18.         {
  19.             cont++;
  20.  
  21.             if(cpf[cont]=='.'||cpf[cont]=='-')
  22.             {
  23.                 certo++;
  24.             }
  25.         }
  26.     }
  27.  
  28.     if(certo==3)
  29.     {
  30.         printf("\n CPF valido.");
  31.     }else{
  32.         printf("\n CPF invalido");
  33.         }
  34.  
  35.     getchar();
  36.     return 0;
  37. }
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