#包含?" stdio.h "
int?main(int?argc,char?*argv[]){
int?n,我;
夏爾?s[301],t;
printf("輸入?答?線...\ n ");
scanf("%300s ",s);
for(n = I = 0;s[I];i++)
/*下面的判斷語句完成了計算大小寫元音的功能*/
if((t=s[i]|0x20)=='a '?||?t=='e '?||?t== '我'?||?t=='o '?||?t=='u ')
n++;
printf("\nA?總計?的?%d?元音字母?在?這個?字符串。\n\n ",n);
回歸?0;
}運行示例如下: