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  1. using System;
  2. using System.Diagnostics;
  3.  
  4. namespace ConsoleApplication52
  5. {
  6.     class Program
  7.     {
  8.         static void Main(string[] args)
  9.         {
  10.             Random rnd;
  11.             const int cycles = 1000000;
  12.  
  13.             rnd = new Random(1);
  14.  
  15.             int total1 = 0;
  16.             Stopwatch sw1 = Stopwatch.StartNew();
  17.  
  18.             for (int i = 0; i < cycles; i++)
  19.             {
  20.                 if (rnd.Next() % 4 == 0)
  21.                 {
  22.                     total1++;
  23.                 }
  24.             }
  25.  
  26.             sw1.Stop();
  27.  
  28.             rnd = new Random(1);
  29.  
  30.             int total2 = 0;
  31.             Stopwatch sw2 = Stopwatch.StartNew();
  32.  
  33.             for (int i = 0; i < cycles; i++)
  34.             {
  35.                 if ((rnd.Next() & 3) == 0)
  36.                 {
  37.                     total2++;
  38.                 }
  39.             }
  40.  
  41.             sw2.Stop();
  42.  
  43.             Console.WriteLine("%: {0} in {1} ticks", total1, sw1.ElapsedTicks);
  44.             Console.WriteLine("&: {0} in {1} ticks", total2, sw2.ElapsedTicks);
  45.         }
  46.     }
  47. }
  48.  
Success #stdin #stdout 0.1s 38080KB
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Standard input is empty
stdout
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%: 246462 in 440535 ticks
&: 246462 in 436757 ticks
https://ideone.com/BLqZP
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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