118A String Task

spongewxy

于 2015-05-21 15:29:46 发布

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分类专栏： Codeforces

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#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

int main() {

    string str;
    string ans = "";
    cin >> str;
    int len = str.length();
    for(int i = 0; i < len; ++i) {
        if(str[i] == 'A' || str[i] == 'O' || str[i] == 'Y' || \
           str[i] == 'E' || str[i] == 'U' || str[i] == 'I' || \
           str[i] == 'a' || str[i] == 'o' || str[i] == 'y' || \
           str[i] == 'e' || str[i] == 'u' || str[i] == 'i') continue;
        ans += '.';
        if(str[i] >= 'A' && str[i] <= 'Z') {
            ans += str[i] - 'A' + 'a';
        } else {
            ans += str[i];
        }
    }
    cout << ans << endl;
    return 0;
}