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  1. using System;
  2.  
  3. namespace _45Acsharp
  4. {
  5.     class Program
  6.     {
  7.         static int CanWin(string s1, string s2)
  8.         {
  9.             int a, b;
  10.             if (s1[0] == 'r')
  11.                 a = 1;
  12.             else if (s1[0] == 'p')
  13.                 a = 2;
  14.             else a = 3;
  15.  
  16.             if (s2[0] == 'r')
  17.                 b = 1;
  18.             else if (s2[0] == 'p')
  19.                 b = 2;
  20.             else b = 3;
  21.  
  22.             if (a == 1)
  23.             {
  24.                 if (b == 2)
  25.                     return 2;
  26.                 if (b == 3)
  27.                     return 1;
  28.             }
  29.             if (a == 2)
  30.             {
  31.                 if (b == 3)
  32.                     return 2;
  33.                 if (b == 1)
  34.                     return 1;
  35.             }
  36.  
  37.             if (a == 3)
  38.             {
  39.                 if (b == 1)
  40.                     return 2;
  41.                 if (b == 2)
  42.                     return 1;
  43.             }
  44.             return 0;
  45.         }
  46.  
  47.         static void Main(string[] args)
  48.         {
  49.             string s1, s2, s3;
  50.             s1 = Console.ReadLine();
  51.             s2 = Console.ReadLine();
  52.             s3 = Console.ReadLine();
  53.             int c = -1;
  54.  
  55.             if ((s1[0] != s2[0]) && (s1[0] != s3[0]) && (s2[0] != s3[0]))
  56.             {
  57.                 Console.WriteLine("?");
  58.                 return;
  59.             }
  60.             if ((s1[0] == s2[0]) && (s1[0] == s3[0]) && (s2[0] == s3[0]))
  61.             {
  62.                 Console.WriteLine("?");
  63.                 return;
  64.             }
  65.             if ((s2[0] == s3[0]) &&(s1[0] != s2[0]))
  66.             {
  67.                 c = CanWin(s1, s2);
  68.                 if (c == 0) { Console.WriteLine("?"); return; }
  69.                 if (c==2) Console.WriteLine("?");
  70.                 else Console.WriteLine("F");
  71.             }
  72.             else if ((s1[0] == s3[0]) && (s2[0] != s3[0]))
  73.             {
  74.                 c = CanWin(s2, s3);
  75.                 if (c == 0) { Console.WriteLine("?"); return; }
  76.                 if (c == 2) Console.WriteLine("?");
  77.                 else Console.WriteLine("M");
  78.             }
  79.             else if ((s1[0] == s2[0]) && (s1[0] != s3[0]))
  80.             {
  81.                 c = CanWin(s3, s1);
  82.                 if (c == 0) { Console.WriteLine("?"); return; }
  83.                 if (c == 2) Console.WriteLine("?");
  84.                 else Console.WriteLine("S");
  85.             }
  86.  
  87.         }
  88.     }
  89. }
  90.  
Success #stdin #stdout 0.03s 36944KB
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https://ideone.com/xMRPw
language:
C# (gmcs 5.20.1)
created:
14 years ago
visibility:
public

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