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  1. #include <stdio.h>
  2.  
  3. #define TAMANHO_TEXTO 4
  4. #define QTD_LETRAS 26
  5.  
  6. int main() {
  7.  
  8.     int i = 0;
  9.     char texto[TAMANHO_TEXTO];
  10.  
  11.     for (i = 0; i < TAMANHO_TEXTO; i++) {
  12.         scanf("%c", &texto[i]);
  13.     }
  14.  
  15.     for (i = 0; i < TAMANHO_TEXTO; i++) {
  16.         texto[i] = 'A' + (texto[i] - 'A' + 3) % QTD_LETRAS;
  17.     }
  18.  
  19.     for (i = 0; i < TAMANHO_TEXTO; i++) {
  20.         printf("%c", texto[i]);
  21.     }
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 9424KB
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stdout 
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https://ideone.com/oBfpjq
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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