幹
#include <cstdlib>
#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
string pw,pw2;
int a;
do{
cout << "請輸入密碼:";
cin >> pw ;
cout << "請確認密碼:";
cin >> pw2;
if(pw==pw2)
{a=1;}
else
{a=0;
cout << "密碼錯誤" << endl;} ; /*執行一次迴圈*/
}while (a!=1); /*檢查條件是否成立*/
cout << "密碼正確" <<endl;
system("PAUSE");
return EXIT_SUCCESS;
}