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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main(void) {
  5.  
  6. char email[50]={"Teste@hotmail.com"};
  7. int arroba,ponto,passa,maior,c_P,c_S,i;
  8. int tam=strlen(email);
  9.  
  10.  for (i = 0; i < tam; i++) {
  11.    if(i > 3){   
  12.      maior=1;   
  13.    }
  14.    if(email[i] == '@'){
  15.     arroba=1;
  16.  
  17.    }
  18.    if(arroba == 1 &&  email[i] >= 3){
  19.     c_P=1;
  20.    }
  21.    if(email[i]=='.'){
  22.         ponto=1;
  23.    }
  24.  
  25.   if(ponto==1 && email[i] >=2){
  26.         c_S=1;
  27.    }
  28.  
  29. if(maior==1 && arroba == 1 && c_P==1 && c_S ==1){
  30.     passa=1;
  31. }else{
  32.     passa=0;
  33. }
  34.  
  35.  
  36. }  
  37.  
  38. if(passa==1){
  39.     printf("Valido");
  40. }else{
  41.     printf("Invalido");
  42. }
  43.  
  44.  
  45.  
  46. }
  47.  
  48.  
Success #stdin #stdout 0s 4492KB
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stdin
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Standard input is empty
stdout
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Valido
https://ideone.com/KuQFF3
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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