c++参考答案

#include <bits/stdc++.h> 
using namespace std;
int main()
{
	double n, h;
	cin >> n >> h;
	double k = n / (h * h);
	if (k < 18.5)
	{
		cout  << "Underweight";
	}
	else if (k < 24)
	{
		cout  << "Normal";
	}
	else
	{
		cout  << n / (h * h) << endl;
		cout << "Overweight";
	}
	return 0;
}