011.模拟ATM（自动柜员机）界面

#include <stdio.h>
void main()
{
  int Password=0,Number=0,price=58,i=0;
  while( Password != 1234 )
  {
    if( i >= 3 )
      return;
    i++;
    puts("Please input Password: ");
    scanf("%d",&Password);
  }
  i=0;
  while( Number!=price )
  {
    do{
      puts("Please input a number between 1 and 100: ");
      scanf("%d",&Number);
      printf("Your input number is %d\n",Number);
    }while( !(Number>=1 && Number<=100) );
    if( Number >= 90 )
    {
      printf("Too Bigger! Press any key to try again!\n");
    }
    else if( Number >= 70 && Number < 90 )
    {
      printf("Bigger!\n");
    }
    else if( Number >= 1 && Number <= 30 )
    {
      printf("Too Small! Press any key to try again!\n");
    }
    else if( Number > 30 && Number <= 50 )
    {
      printf("Small! Press any key to try again!\n");
    }
    else
    {
      if( Number == price )
      {
        printf("OK! You are right! Bye Bye!\n");
      }
      else if( Number < price )
      {
        printf("Sorry,Only a little smaller! Press any key to try again!\n");
      }
      else if( Number > price )
        printf(" Sorry, Only a little bigger! Press any key to try again!\n");
    }
    getch();
  }
}