#include <stdio.h> #include <string.h> int main() { char text[] = "Hello World"; int count = 0; for (int i = 0; i < strlen(text); i++) { char c = text[i]; if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u') { count++; } } printf("Vowels: %d\n", count); return 0; }