
#include"stdafx.h"
#include"stdio.h"
#include"windows.h"
#include"conio.h"
int i = 0;
char ch, pass[20],check[20];
void main(){
ch = _getch();
while (ch != 13)
{
if (ch == 8)
{
i--;
printf("\b ");
printf("\b");
}
else if ((ch <= 'Z'&&ch >= 'A') || (ch <= 'z'&&ch >= 'a') || (ch <= '9'&&ch >= '0'))
{
printf("%c", ch);
pass[i] = ch;
check[i] = ch;
i++;
}
ch = _getch();
}
if (!strcmp(pass, check))
{
printf("true");
}
}


