Algorithmic Approach for Cash Withdrawal Problem in ATM

Since the banks are not open 24x7, there was a need for customers of the bank to withdraw cash anytime during the day. So, the Automatic Teller Machine to satisfy this need. There may be situations where you need emergency cash and your Automatic Teller Machine (ATM) is not able to dispense cash of the desired amount. This may be due to insufficient currency or lack of avail-ability of the required denominations. Now, imagine that your ATM is smart and it helps you to withdraw cash easily. It does so, by giving you an amount that is nearest to the requested amount. It can use either the dynamic or greedy technique to map the requested amount to the nearest amount it can dispense. We have to make sure that the transaction is legitimate and also that the cash requested by the customer is for an emergency. For this purpose, the proposed system adds a module to dispense cash in the above-mentioned scenario.