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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     char result;
  6.  
  7.     do
  8.     {
  9.         printf("Digite a b ou c: ");
  10.         scanf("%c", &result);
  11.         getchar(); // Para tirar o \n do buffer
  12.     } while(result < 'a' || result > 'c');
  13.  
  14.     printf("Resultado: %c", result);
  15.  
  16.     return 0;
  17. }
Success #stdin #stdout 0s 5560KB
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Digite a b ou c: Digite a b ou c: Digite a b ou c: Digite a b ou c: Digite a b ou c: Resultado: b
https://ideone.com/qlSbig
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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