问题描述

代码示例

#include <bits/stdc++.h>
using namespace std;

int main(){
	char string[1000];
	char ch = getchar();
	int i = 0;
	while(ch != '\n'){
		string[i++] = ch;
		ch = getchar();
	}
	char str[1000];
	int k = 0;
	for(int j = 0; j < i; j++){
		if(string[j] == 'a' || string[j] == 'e' 
		|| string[j] == 'i' || string[j] == 'o' 
		|| string[j] == 'u' || string[j] == 'A' 
		|| string[j] == 'E' || string[j] == 'I' 
		|| string[j] == 'O' || string[j] == 'U'){
				
		}else{
			if(string[j] <= 'z' && string[j] >= 'a'){
				str[k++] = '.';
				str[k++] = string[j] - 32;	
			}else{
				str[k++] = '.';
				str[k++] = string[j] + 32;	
			}
		}
	}
	
	for(int j = 0; j < k; j++){
		cout << str[j];
	}
	return 0;
}

运行结果