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- #include <stdio.h>
- #include <string.h>
- #define MAX 14
- //37. Verifique a validade de um CPF.
- int main()
- {
- char cpf[MAX];
- int i,cont=0,certo=0;
- printf("\n Digite o numero do cpf com pontos e traco:\n");
- scanf("%s",cpf);
- for(i=0;i<MAX;i++)
- {
- if(cpf[i]>=48 && cpf[i]<=57)
- {
- cont++;
- if(cpf[cont]=='.'||cpf[cont]=='-')
- {
- certo++;
- }
- }
- }
- if(certo==3)
- {
- printf("\n CPF valido.");
- }else{
- printf("\n CPF invalido");
- }
- getchar();
- return 0;
- }
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