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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. char frase[200];
  5. printf("String: ");
  6. scanf("%200s", frase);
  7. for (char *i = frase; *i != '\0'; i++) {
  8. *i += *i < 'A' || *i > 'Z' ? 0 :
  9. *i > 'W' ? -23 : 3;
  10. }
  11. printf("String: %s", frase);
  12. }
Success #stdin #stdout 0s 9432KB
stdin
ABCGVWXYZ12M#
stdout
String: String: DEFJYZABC12P#