洛谷 P9854 [CCC 2008 J1] Body Mass Index

这题让我们计算出 BMI 值，随后判断属于哪个等级。

BMI 值计算公式：

                ​​​​​​​        ​​​​​​​        ​​​​​​​        ​​​​​​​        ​​​​​​​。

AC CODE：

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
int main(){double weight;double height;cin>>weight;cin>>height;double cnt = height*height;double BMI = weight/cnt;string res;if(BMI<18.5){res = "Underweight";}else if(BMI>=18.5&&BMI<=25.0){res = "Normal weight";}else if(BMI>25.0){res = "Overweight";}cout<<res<<endl;return 0;
}