Console.WriteLine("请输入性别");
string xb = Console.ReadLine();
Console.WriteLine("请输入身高");
double sg = double.Parse(Console.ReadLine());
Console.WriteLine("请输入体重");
double tz = double.Parse(Console.ReadLine());
if (xb == "男")
{
double n = tz - sg + 100;
if (n >= -3 && n <= 3)
{
Console.WriteLine("你的体重是标准体重");
}
else if (n > 3)
{
Console.WriteLine("你该减肥了");
}
else
{
Console.WriteLine("你该吃肉了");
}
}
else if (xb == "女")
{
double n = tz - sg + 110;
if (n >= -3 && n <= 3)
{
Console.WriteLine("继续保持");
}
else if (n > 3)
{
Console.WriteLine("你该运动了");
}
else
{
Console.WriteLine("你该增肥了");
}
}
else
{
Console.WriteLine("输入错误");
}