題目：https://vjudge.net/problem/CodeForces-118A
程式碼↓
#include"pch.h"
#include
#include
using namespace std;
int main()
{
int l, a;
char word[1000];
char y[] = “aeiou”;
cin >> word;
l = strlen(word);
for (int i = 0; i < l; i++)
{
if (word[i] <= ‘Z’)
word[i] += 32;
}
for (int j = 0; j < l; j++)
{
a = 1;
for (int i = 0; i < 5; i++)
if (word[j] == y[i])
{
a = 0; break;
}
if (a == 1)cout << “.” << word[j];
}
}