/*To check whether it contains all possible vowels */
#include<stdio.h>
int main()
{
int i,nv;
char x[20];
i=0,nv=0;
while(x[i]!='\0')
{
{
case'A': case'O':
case'E': case'U':
case'I':
nv++;
break;
}
i++;
}
}
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