#include <stdio.h> #include <string.h> int main() { char input = 0; char ch[] = "AaEeIiOoUu"; while (scanf(" %c", &input) == 1)//在%c前面加空格来跳过空字符 { if (strchr(ch, input))//用strchr来找元音 { printf("Vowel\n"); } else { printf("Consonant\n"); } } return 0; }