Automatic Teller Machine Simulation in Go

Here is a sample program that we wrote to simulate automatic teller machine using Go programming language. I hope you will find our code useful in learning Go.

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Sample Program Output

Program Listing

/* atm.go   Written By :   Jake R. Pomperada   Rollyn M. Moises   Sunday Vince V. Latergo   April 3, 2019 Wednesday   Bacolod City, Negros Occidental*/
package main

import "fmt"
var bill1000,bill500,bill100,bill200,total_balance int32;
var withdraw, money_left int32;
var recieve1000,recieve500,recieve200,recieve100 int32;

func main(){
   fmt.Print("\n");
   fmt.Print("\tAutomatic Teller Machine Simulation");
   fmt.Print("\n\n");
   fmt.Print("\tHow many P1000 bills: ");
   fmt.Scanln( &bill1000);
   fmt.Print("\tHow many P500 bills: ");
   fmt.Scanln(&bill500);
   fmt.Print("\tHow many PHP 200 bills: ");
   fmt.Scanln(&bill200);
   fmt.Print("\tHow many PHP 100 bills: ");
   fmt.Scanln(&bill100);
   total_balance = (bill1000 * 1000)+(bill500 * 500) + (bill200 * 200) +  (bill100 * 100) ;
   fmt.Print("\n\n");
   fmt.Print("\tTotal Balance: PHP ", total_balance);
   fmt.Print("\n\n");
      fmt.Print("\tEnter amount to withdraw: PHP ");
      fmt.Scanln(&withdraw);
      money_left = withdraw ;
      if  (withdraw > total_balance) {
         fmt.Print("\tWithdraw amount greater than total balance.  ");
         fmt.Print("\n");
      }
      if (withdraw < total_balance)     {

         if  (money_left >= 1000 ) {
            recieve1000 = (money_left / 1000);
            if (recieve1000 > bill1000) {
               recieve1000 = bill1000;
               money_left = money_left - (recieve1000 * 1000);
               bill1000 = bill1000 - recieve1000;
            }
         }
      }
         if  (money_left >= 500 )   {
            recieve500 = (money_left / 500);
            if (recieve500 > bill500 ) {
               recieve500 = bill500;
            }
            money_left = money_left - (recieve500 * 500);
            bill500 = bill500 - recieve500;
         }

         if (money_left >= 200 ) {
            recieve200 = (money_left / 200);
            if (recieve200 > bill200) {
               recieve200 = bill200;
               money_left = money_left - (recieve200 * 200);
               bill200 = bill200 - recieve200;
            }
         }

         if (money_left >= 100 )    {
            recieve100 =(money_left / 100);
            if (recieve100 > bill100 ) {
               recieve100 = bill100;
            }
            money_left = money_left - (recieve100 * 100);
            bill100 = bill100 - recieve100;
         }

         fmt.Print("\tYou will receive:");
         fmt.Print("\n");
         fmt.Print("\tPHP 1000 bill :=> ", recieve1000);
         fmt.Print("\n");
         fmt.Print("\tPHP 500 bill :=>  ", recieve500);
         fmt.Print("\n");
         fmt.Print("\tPHP 200 bill :=>  ", recieve200);
         fmt.Print("\n");
         fmt.Print("\tPHP 100 bill :=>  ", recieve100);
         fmt.Print("\n\n");

         total_balance = total_balance - withdraw;

         fmt.Print("\tYour current balance is: PHP ",total_balance);
         fmt.Print("\n");
         fmt.Print("\tYou only have balance of:");
         fmt.Print("\n");
         fmt.Print("\tPHP 1000 bill :=> ",bill1000);
         fmt.Print("\n");
         fmt.Print("\tPHP 500 bill  :=> ",bill500);
         fmt.Print("\n");
         fmt.Print("\tPHP 200 bill  :=> ",bill200);
         fmt.Print("\n");
         fmt.Print("\tPHP 100 bill  :=> ",bill100);
         fmt.Print("\n\n");
         fmt.Print("\tEnd of Program");
         fmt.Print("\n");
}