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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main() {
  5.     char frase[200];
  6.     printf("String: ");
  7.     scanf("%200s", frase);
  8.     for (int i = 0; i < strlen(frase); i++) {
  9.         if (frase[i] >= 'A' && frase[i] <= 'Z') { //só altera se estiver na faixa correta
  10.             if (frase[i] > 'W') { //trata os casos que precisam girar a tabela
  11.                 frase[i] += -23;
  12.             } else {
  13.                 frase[i] += 3;
  14.             }
  15.         }
  16.     }
  17.     printf("String: %s", frase);
  18. }
  19.  
  20. //https://pt.stackoverflow.com/q/213908/101
Success #stdin #stdout 0s 4156KB
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stdin
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ABCHXYZ
stdout
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String: String: DEFKABC
https://ideone.com/5fzIX1
language:
C99 (gcc 8.3)
created:
3 years ago
visibility:
public

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