A30680.雇佣兵 题解

#include <bits/stdc++.h>
using namespace std;
int main()
{
	double m,n,x,t; 
	cin>>m>>n>>x;
	while (ceil(m/n)<=x)
	{
		x-=ceil(m/n);
		n+=floor(m/n);
	}
	cout<<n;
}