#include<iostream>#include<cctype>#include<string>using namespace std;int main(){?cout << "Enter words (q to quit);"<<endl;?char words[20];?int count1 = 0;?int count2 = 0;?int count3 = 0;?while (cin >> words)?{??if (isalpha(words[0]))??{???if (words[0] == 'a' || words[0] == 'e' || words[0] == 'i' || words[0] == 'o' || words[0] == 'u' ||????words[0] == 'A' || words[0] == 'E' || words[0] == 'I' || words[0] == 'O' || words[0] == 'U')????count1++;???else if (words[0] == 'q'&&strlen(words) == 1)????break;???else????count2++;??}??count3++;?}?cout << "元音：" << count1 << endl??<< "輔音：" << count2 << endl??<< "其他：" << count3 << endl;?return 0;}下面程序運行時只有輸入，一直再讓輸入，而不輸出，什么情況