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  1. using System;
  2.  
  3.     class Program
  4.     {
  5.         static void Main(string[] args)
  6.         {
  7.             Double a = Double.Parse(Console.ReadLine());
  8.             Double b = Double.Parse(Console.ReadLine());
  9.             Double c = Double.Parse(Console.ReadLine());
  10.             Double d = Double.Parse(Console.ReadLine());
  11.             var s = (a + b + c + d)/2;
  12.  
  13.             if (a > b) Swap(ref a, ref b);
  14.  
  15.             if (b > c) Swap(ref b, ref c);
  16.             if (a > c) Swap(ref a, ref c);
  17.  
  18.             if (a > d) Swap(ref a, ref d);
  19.             if (b > d) Swap(ref b, ref d);
  20.             if (c > d) Swap(ref c, ref d);
  21.  
  22.             if (s > 0)
  23.             {
  24.                 var mpn = 0.0;
  25.                 if (a > 0) mpn = a;
  26.                 else if (b > 0) mpn = b;
  27.                     else if (c > 0) mpn = c;
  28.                         else if (d > 0) mpn = d;
  29.                             else throw new Exception("!!!!!!");
  30.                 Console.WriteLine(mpn*mpn);        
  31.  
  32.             }
  33.             else
  34.             {
  35.                 if (a < 0) a -= d;
  36.                 if (b < 0) b -= d;
  37.                 if (c < 0) c -= d;
  38.                 if (d < 0) d -= d;
  39.                 Console.WriteLine(a);
  40.                 Console.WriteLine(b);
  41.                 Console.WriteLine(c);
  42.                 Console.WriteLine(d);
  43.             }
  44.  
  45.         }
  46.  
  47.         private static void Swap(ref double a, ref double b)
  48.         {
  49.             var tmp = a;
  50.             a = b;
  51.             b = tmp;
  52.         }
  53.     }
Success #stdin #stdout 0.05s 23880KB
comments (?)
stdin 
5
2
6
1
stdout 
1
https://ideone.com/sA1CgE
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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