题解 | #判断身材状态#

#include <iostream>
#include <cmath> //pow函数
using namespace std;

int main() {
   
    double weight;
    double height;

    cin >> weight;
    cin >> height;

    // 计算体重指数BMI，返回身材状态
    double BMI = 0.0;
    BMI = weight/pow(height,2); //二次幂函数
    if( BMI < 18.5)
        cout << "偏瘦";
    else if(BMI < 20.9)
        cout << "苗条";
    else if(BMI < 24.9)
        cout << "适中";
    else cout << "偏胖";


    return 0;
}