体重指数程序

//体重指数程序
#include <fstream>
#include <iostream>
#include <iomanip>
#include <string>
using namespace std;

int main()
{
    const int BMI_CONSTANT = 703;
    float weight;
    float height;
    float bodyMassIndex;
    bool dadtaAreOk;

    cout << "。。。的" << endl;
    cout << "输入体重（千克） " << endl;
    cin >> weight;
    weight = weight / 0.4535924;
    cout << "输入升高（厘米） " << endl;
    cin >> height;
    height = height / 2.54;

    if (weight < 0 || height < 0)
        dadtaAreOk = false;
    else
        dadtaAreOk = true;

    if (dadtaAreOk)
    {
        bodyMassIndex = weight * BMI_CONSTANT / (height * height);

        cout << "your body indedx is " << bodyMassIndex
            << "." << endl;
        cout << "interpretation ans instructiobn:" << endl;
        if (bodyMassIndex < 20)
            cout << "体重不不足，喝杯奶昔" << endl;
        else if (bodyMassIndex <= 25)
            cout << "正常，喝杯牛奶" << endl;
        else if (bodyMassIndex <= 30)
            cout << "超重，喝杯冰茶" << endl;
        else
            cout << "超重，看医生吧" << endl;
    }
    else
        cout << "数据有问题" << endl;

    cin.get();
    cin.get();

    return 0;
}