Algorithm

 problem Link : https://www.codechef.com/problems/HS08TEST 

Problem

Pooja would like to withdraw Xhttps://www.codechef.com/problems/HS08TESTl 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 $US.

Calculate Pooja's account balance after an attempted transaction.

Input Format

Each input contains 2 integers � and �.
� is the amount of cash which Pooja wishes to withdraw.
� is Pooja's initial account balance.

Output Format

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.

Constraints

  1. 0<�≤2000 - the amount of cash which Pooja wishes to withdraw.
  2. 0≤�≤2000 with two digits of precision - Pooja's initial account balance.

Sample 1:

Input
 
Output
 
30 120.00
89.50

Code Examples

#1 Code Example with C Programming

Code - C Programming

#include<stdio.h>

int main()
{
    int x;
    float y,z;
    scanf("%d %f",&x,&y);
    if(x%5==0 && x<=y-0.50)
    {
        z=y-x-0.50;
        printf("%.2f\n",z);
    }
    else
    {
        printf("%.2f\n",y>;
    }
}
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Input

x
–
+
cmd
30 120.00

Output

x
–
+
cmd
89.50
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