第一周项目二-胖子伤不起

#include <iostream>
using namespace std;
struct student
{
    char name[20];
    char sex;
    int high;
    int weight;
} stu1;
int main()
{
    int m,z;
    cout << "请输入您的姓名：";
    cin>>stu1.name;
    cout << "请输入您的性别：";
    cin>>stu1.sex;
    cout << "请输入您的身高：";
    cin>>stu1.high;
    cout << "请输入您的体重：";
    cin>>stu1.weight;
    cout<<stu1.name;
    switch(stu1.sex)
    {
    case 'm':
        m=(stu1.high-70)*0.6;
        cout<<"MM，";
        break;
    case 'f':
        m=(stu1.high-80)*0.7;
        cout<<"GG，";
        break;
    }
    z=(stu1.weight-m)/m;
    if((z>=0&&z<=0.1)||(z<=0&&z>=-0.1))
    {
        cout<<"你的体重正常哟";
    }else
    if(z>=0.1&&z<=0.2)
    {
        cout<<"你有点偏胖哦";
    }else
    if(z>=-0.2&&z<=-0.1)
    {
        cout<<"你有点瘦哦";
    }else
    if(z>0.2)
    {
        cout<<"你超重啦";
    }else

    {
        cout<<"你太轻了，多吃点";
    }
    return 0;
}

运行结果：