Задачата за магазина в Visual Studiо работи програмата ми,но judge 0точки.

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

namespace Small_Shop
{
class Program
{
static void Main(string[] args)
{
var product = Console.ReadLine().ToLower();
var town = Console.ReadLine().ToLower();
var quantity = double.Parse(Console.ReadLine());
if (town == "sofia")
{
if (product == "coffee")
Console.WriteLine(0.50 * quantity);
if (product == "water")
Console.WriteLine(0.80 * quantity);
if (product == "beer")
Console.WriteLine(1.20 * quantity);
if (product == "sweets")
Console.WriteLine(1.45 * quantity);
if (product == "peanuts")
Console.WriteLine(1.60 * quantity);
}
if (town == "varna");
{
if (product == "coffee")
Console.WriteLine(0.45 * quantity);
if (product == "water")
Console.WriteLine(0.70 * quantity);
if (product == "beer")
Console.WriteLine(1.10 * quantity);
if (product == "sweets")
Console.WriteLine(1.35 * quantity);
if (product == "peanuts")
Console.WriteLine(1.55 * quantity);
}
if (town == "plovdiv");
{
if (product == "coffee")
Console.WriteLine(0.40 * quantity);
if (product == "water")
Console.WriteLine(0.70 * quantity);
if (product == "beer")
Console.WriteLine(1.15 * quantity);
if (product == "sweets")
Console.WriteLine(1.30 * quantity);
if (product == "peanuts")
Console.WriteLine(1.55 * quantity);
}

}
}
}

Ето и моето решение.

Успех!

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

namespace SmallShop2
{
class Program
{
static void Main(string[] args)
{
var product = Console.ReadLine().ToLower();
var town = Console.ReadLine().ToLower();
var quantity = Double.Parse(Console.ReadLine());

if (product == "coffee")
{
if (town == "sofia")
{
Console.WriteLine(quantity * 0.50);
}
else if (town == "plovdiv")
{
Console.WriteLine(quantity * 0.40);
}
else
{
Console.WriteLine(quantity * 0.45);
}
}
if (product == "water")
{
if (town == "sofia")
{
Console.WriteLine(quantity * 0.80);
}
else if (town == "plovdiv")
{
Console.WriteLine(quantity * 0.70);
}
else
{
Console.WriteLine(quantity * 0.70);
}
}
if (product == "beer")
{
if (town == "sofia")
{
Console.WriteLine(quantity * 1.20);
}
else if (town == "plovdiv")
{
Console.WriteLine(quantity * 1.15);
}
else
{
Console.WriteLine(quantity * 1.10);
}
}
if (product == "sweets")
{
if (town == "sofia")
{
Console.WriteLine(quantity * 1.45);
}
else if (town == "plovdiv")
{
Console.WriteLine(quantity * 1.30);
}
else
{
Console.WriteLine(quantity * 1.35);
}
}
if (product == "peanuts")
{
if (town == "sofia")
{
Console.WriteLine(quantity * 1.60);
}
else if (town == "plovdiv")
{
Console.WriteLine(quantity * 1.50);
}
else
{
Console.WriteLine(quantity * 1.55);
}
}
}
}
}