C可以这么写——
代码资料:
#include "stdio.h"
int main(int argc,char *argv[]){
char w[22],i;
printf("Please enter a word(Only lowercase)...\n");
scanf("%21[a-z]",w);
for(i=0;w[i];i++)
if(w[i]=='a' || w[i]=='e' || w[i]=='o' || w[i]=='i' || w[i]=='u'){
printf("It's %c.\n",w[i]);
break;
}
if(w[i]=='\0')
printf("n.\n");
return 0;
}