#include <iostream> using namespace std; int main() { char c; int isLowercaseVowel, isUppercaseVowel; cout << "输入一个字母: "; cin >> c; // 小写字母元音 isLowercaseVowel = (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u'); // 大写字母元音 isUppercaseVowel = (c == 'A' || c == 'E' || c == 'I' || c == 'O' || c == 'U'); // if 语句判断 if (isLowercaseVowel || isUppercaseVowel) cout << c << " 是元音"; else cout << c << " 是辅音"; return 0; }