The paint costs question on sololearn i am not able to pass all the test cases ..do check the code and correct me

Question

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

int main() {
float paint;
cin>>paint;
float canvas=40;
float sum=paint*5+canvas;
float p=(10*sum)/100;
cout<<ceil(round(sum+p));
return 0;
}

Answer 1

https://code.sololearn.com/c8y98KHDDVH5/?ref=app

Answer 2

Thanks Julia Shabanova