using System;
namespace ConsoleApplication_C_Sharp
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine(decimal.Floor(1.1M));
Console.WriteLine(decimal.Floor(1.5M));
Console.WriteLine(decimal.Floor(1.7M));
Console.WriteLine(decimal.Floor(0.1M));
Console.WriteLine(decimal.Floor(0.5M));
Console.WriteLine(decimal.Floor(0.7M));
Console.WriteLine(decimal.Floor(199.183M));
}
}
}
/*
run:
1
1
1
0
0
0
199
*/