Can anyone solve the error.

Question

#include <iostream>
using namespace std;

int main() {
int material = 40;
int colors;
cin>>colors;
int cost1 = (colors*5)+ material;
int total_cost = cost1/10 + cost1;
cout<<total_cost;
return 0;
}

Paint costs

Answer 1

Tax for that you are caluating is missing % calculation.
And the total, you need to round up
Like use ceil function...
Means 4.4455 to 5.0
Try it and give a reply......

Answer 2

It is solving 3 cases 1,2,5 but not the 3,4 the hidden cases.

Answer 3

Tax is included in the total_cost as cost1/10 or cost*10/100 is the same

Answer 4

How can I use the ceil function to round off to the nearest integer

Answer 5

#include <cmath> allows you to use the ceil function