Description
You bought a box of n apples, and unfortunately a bug was mixed in the box when you finished buying. A worm can eat an apple every x hours. If the worm does not eat one apple before another, how many whole apples do you have after y hours?
Input
Input only one line, including n, x and y (all integers).
Output The
output is only one line, the number of apples left.
Sample input
10 4 9
Sample output
7
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
int n,x,y;
cin >>n>>x>>y;
if(y%x==0)
{
cout<<n-y/x<<endl;
} else if(n-y/x < 0)
{
cout<<0<<endl;
}else
{
cout<<n-y/x-1<<endl;
}
return 0;
}