static void Main(string[] args)
{
int a, b;
double s = 0;
Console.Write("a ni kiriting:");
a = int.Parse(Console.ReadLine());
Console.Write("b ni kiriting:");
b = int.Parse(Console.ReadLine());
for (int i = a; i <= b; i++)
{
s += i * i;
}
Console.WriteLine($"Ko'paytma = {s}");
Console.ReadKey();
}
C# masalalar yechimi kanali @csharp_masala_yechimi
