问题一百三十五：银行ATM

/**************************************************************
****Auther:liuyongshui
*****About:This is the BANK ATM applicantion
******Date:20130511
**************************************************************/

#include <stdio.h>
#include <string.h>
#include <conio.h>

#define interst_rate 0.035

float sum_money=654321.0;
//annual interest
float interest_rate=0.035;

void Star(void);
void Choice(void);
int  Check_password(void);
void Deposit_money(viod);
void Withdraw_money(void);
void Transfer_money(void);
void Count_rate(void);

int main()
{     
	  int num;
	  int mark;
      int sign;
      
	  sign=1;
	  Star();
      printf("\t\tWELCOME TO LEDUODUO BANK\t\t\t\t\n");
      
	  mark=Check_password();
	  if(mark)
	  {
		  printf("LOGIN SUCCEDFUL!\n");
	  }
	  else 
	  {
	      printf("SORRY,LOGIN FILED!\n");
		  sign=0;
	  }
     
      while(1)
	  {
          if(sign==0)
		  {   
			   printf("\nService is you choose to quit!\n");
		       break;
		  }
           
		  Choice();
          printf("\nplease select a service NUMBER you want:");
		  scanf("%d", &num);
	      switch(num)
		   {
			   case 1:  Deposit_money();   
				        break;
			   case 2:  Withdraw_money();
				        break;
			   case 3:  Transfer_money();
				        break;
			   case 4:  Count_rate();
				        break;
			   case 0:  sign=0;
				        break;
		   }
	  }

	  printf("Thank your for you use!\n");
      Star();
      return 0;
}

// Function define

void Star(void)
{
     int i;
	 
	 for(i=0; i<60; i++)
	 {
	     printf("*");
	 }

	 printf("\n");
}

void Choice(void)
{
	printf("\nplease select a service NUMBER you want.\n");
    printf("\n\t\t 1:deposit money\n\t\t 2:withdraw money\n\t\t 3:transfer money\n\t\t 4:count money\n\t\t 0:quit\n\n");
}

int Check_password(void)
{
    int  i;
	int  j;
	int  k;
	int  flag;
	char ch;
	char code[10]={'\0'};
	char password[10]={"123456"};
    
    // You can input password three times 
	for(i=0; i<3; i++)      
	{
		 printf("Please enter the 6 digit code:");
		 //Make code[k] every time starting from 0
	     k=0;  
		 //Tage  code is accurate
		 flag=1;   

		 while((ch=getch()) && ch!=13 && k<6)
		 {
		     putchar('*');

			 code[k++]=ch;
		 }

		 //Code is accurate
		 for(j=0; j<6; j++)
		 {
		     if(password[j] != code[j])
			 {
				 // code is wrong!
			     flag=0;         
			 }
		 }

		 if(flag)
		 {
		      printf("\nYou code is accurate!\n");
			  return 1;
		 }
		 else 
		 {     
			 if(i<2)
			 {
				 printf("\nYou enter wrong password! Pleas enter the password again!\n");
			 }
			 else 
			 {
			     printf("\nYou input three wrong password three times,your account has been locked!\n");
			 }
		 }
     
	}

	return 0;
}
void Deposit_money(void)
{
    float money;
    
	printf("\nService is you choose to deposit money.");
	printf("\nPlease input you want to deposit money:");
	scanf("%f", &money);
    
	sum_money+= money;

    printf("\nThey have %f yuan on your account.\n", sum_money);

	Star();
}

void Withdraw_money(void)
{
    float money;
    
	printf("\nService is you choose to withdraw money.");
	printf("\nPlease input you want to withdraw money:");
	scanf("%f", &money);

	sum_money-=money;

    printf("\nYou want take money is %f yuan\n", money);
	printf("\nThey have %f yuan on your account.\n", sum_money);

	Star();
}

void Transfer_money(void)
{
	float money;
 
	printf("\nService is you choose to transfer money.");
	printf("\nPlease input you want to tansfer money:");
	scanf("%f", &money);

	sum_money-=money;

	printf("\nYou want transfer money %f yuan", money);
	printf("\nThey have %f yuan on your account.\n", sum_money);

	Star();
}

void Count_rate(void)
{   
	int    i;
    int    year;
    float  interest;
	
	printf("\nService is you choose to count rate.");
	printf("\nPlease input the number of year you want deposit:");
	scanf("%d", &year);

	for(i=1; i<=year; i++)
	{   
		interest=sum_money*interest_rate;
	    sum_money+=interest;
		printf("%2d year,you will have interest:%f yuan,you will have sum_money:%f yuan.\n", i, interest, sum_money);
	}

	Star();
}

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