Codeforces 955A - Feed the cat Need help

I am trying to solve Feed The Cat. But My implementation is failing 8th test case which is:

20 55
100000 100 100 100

Can anyone help in finding mistake in my implementation.
Here is my code:

#include <iostream>
#include <bits/stdc++.h>
using namespace std;

double calculateMinutesToEight(double h, double m)
{
    int m1,m2;
    m1 = 60 - m;
    m2 = (20 - (h+1))*60;
    return m1 + m2;
}

double beforeEight(double reqH, double c)
{
    double res = reqH * c;
    return res;
}

double afterEight(double reqH, double c)
{
    double discount,ans;
    discount = (reqH * c) * 0.2;
    ans = (reqH * c) - discount;
    return ans;
}

int main() {
    // your code goes here
    double hh,mm,h,d,c,n;
    cin>>hh>>mm>>h>>d>>c>>n;
    double requiriedBuns1 = ceil(h/n);
    double result1 = beforeEight(requiriedBuns1,c);
    double result2,extraTime,requiriedBuns2;
    cout<<setprecision(10);
    if(hh < 20)
    {
        extraTime = calculateMinutesToEight(hh,mm);
        extraTime = extraTime * d;
        requiriedBuns2 = ceil((h + extraTime)/n);
        result2 = afterEight(requiriedBuns2,c);    
    }
    else
    {
        requiriedBuns2 = ceil(h/n);
        result2 = afterEight(requiriedBuns2,c);
    }
    
    cout<<min(result1, result2);

    return 0;
}

Thanks brother… Can’t believe I missed that test case… Thanks anyway

@montycs Welcome. Happy Coding :slight_smile: