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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. void escrevevogais(char s[50], int i) {
  6.     if (s[i] == 0) return;
  7.     escrevevogais(s, i + 1);
  8.     if (s[i] == 'a' || s[i] == 'e' || s[i] == 'i' || s[i] == 'o' || s[i] == 'u') {
  9.         printf("%c", s[i]);
  10.     }
  11. }
  12.  
  13. int main() {
  14.     char s[50];
  15.     fgets(s, 50, stdin);
  16.     escrevevogais(s, 0);
  17. }
Success #stdin #stdout 0s 4288KB
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https://ideone.com/M6yyt2
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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