competitive coding



Problem Statement

 Ram would like to withdraw X₹ INR from an ATM. The cash machine will only accept the transaction if X is a multiple of 5, and Pooja's account balance has enough cash to perform the withdrawal transaction (including bank charges). For each successful withdrawal, the bank charges 0.50 ₹INR. Calculate Ram's account balance after an attempted transaction.
INPUT

 ☻Positive integer 0 < X <= 2000 - the amount of cash which Pooja wishes to withdraw.

 ☻Nonnegative number 0<= Y <= 2000 with two digits of precision - Pooja's initial account        balance.

 OUTPUT

 Output the account balance after the attempted transaction, given as a number with two digits of precision. If there is not enough money in the account to complete the transaction, output the current bank balance.
CASE 1:- Successful transaction
Input:
50 170.00

 Output:
119.50


CASE 2:- Incorrect Withdrawal amount(not multiple of 5)


Input:


423 1120.00


Output:


1120.00


CASE 3:- Insufficient Funds

Input:


800 120.00


Output:


120.00







CODE:-




#include<iostream>
#include<iomanip>
using namespace std;
int main ()
{
int x;
float a;
cin>>x>>a;
if(x%5==0 && ((a-x-0.5)>0)
{
cout<<fixed<<setprecision(2)<<(a-x-0.5);
}
else {
cout<<fixed<<setprecision(2)<<(a);
}
return 0;
}









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