- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- using System.Drawing;
- namespace CSA01
- {
- class CSA01
- {
- static void Main(string[] args)
- {
- double x1, x2, y1, y2;
- string str1 = Console.ReadLine();
- bool ok= double.TryParse(str1.Trim().Split(' ')[0].ToString(), out x1);
- ok = Double.TryParse(str1.Trim().Split(' ')[1].ToString(), out y1);
- string str2 = Console.ReadLine();
- ok = Double.TryParse(str2.Trim().Split(' ')[0].ToString(), out x2);
- ok = Double.TryParse(str2.Trim().Split(' ')[1].ToString(), out y2);
- double x = Math.Abs(x1 - x2);
- double y = Math.Abs(y1 - y2);
- Console.Write(Math.Sqrt((x * x) + (y * y)).ToString("f4"));
- Console.ReadKey();
- }
- }
- }
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