Why if doesn’t work?

Question

In my code , if ( x<1000) doesn’t work

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
int totalPrice = Convert.ToInt32(Console.ReadLine());

//call the method

Console.WriteLine(Discount(totalPrice));

}
//complete the method declaration
static double Discount(int x)
{
//complete the method body
double price;

if(x < 1000) {
price = Convert.ToDouble(x);

}
else {

price = Convert.ToDouble(x-x*0.2);
}
return price;
}
}
}

Answer 1

Zhilin Hu for 800 it gave me output as 800 only

Answer 2

For input 50 I get output 50 and for 1100 I get 880 ,works fine I guess?

Answer 3

No problem!

Answer 4

i found my oroblem. it should be 10000 , not 1000.

Answer 5

in the program designed input 800 , my ouput is 640, it should be 800. no matter how to switch the consition, it always correct for the input >= 1000

Answer 6

it is strange. i didn’t see any error in the code either. but couldn’t go through. it why i lost. thank you , Abhay