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  1. namespace _02.Lady_Bugs
  2. {
  3.     using System;
  4.     using System.Linq;
  5.  
  6.     public class Program
  7.     {
  8.         public static void Main()
  9.         {
  10.             var sizeList = int.Parse(Console.ReadLine());
  11.             var inputLadybugIndexes = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
  12.             var param = Console.ReadLine().Split(' ').ToArray();
  13.  
  14.             var array = new int[sizeList];
  15.  
  16.             //setting the indexes of the ladybugs
  17.             foreach (var index in inputLadybugIndexes)
  18.             {
  19.                 if (index >= 0 && index < array.Length)
  20.                 {
  21.                     array[index] = 1;
  22.                 }
  23.             }
  24.  
  25.             while (param[0] != "end")
  26.             {
  27.                 var ladybugIndex = int.Parse(param[0]);
  28.                 var direction = param[1];
  29.                 var flyLength = int.Parse(param[2]);
  30.  
  31.                 //if there is a ladybug at the inputted index:
  32.                 if (ladybugIndex >= 0 && ladybugIndex < array.Length && array[ladybugIndex] == 1)
  33.                 {
  34.                     array[ladybugIndex] = 0;
  35.  
  36.                     if (direction == "right")
  37.                     {
  38.                         MoveToRight(flyLength, ladybugIndex, array);
  39.                     }
  40.  
  41.                     else
  42.                     {
  43.                         MoveToLeft(flyLength, ladybugIndex, array);
  44.                     }
  45.                 }
  46.  
  47.                 param = Console.ReadLine().Split(' ').ToArray();
  48.             }
  49.  
  50.             Console.WriteLine(string.Join(" ", array));
  51.         }
  52.  
  53.         static void MoveToRight(int flyLength, int ladybugIndex, int[] array)
  54.         {
  55.             if (flyLength >= 0)
  56.             {
  57.                 while (ladybugIndex + flyLength < array.Length)
  58.                 {
  59.                     if (array[ladybugIndex + flyLength] != 1)
  60.                     {
  61.                         array[ladybugIndex + flyLength] = 1;
  62.                         break;
  63.                     }
  64.  
  65.                     ladybugIndex++;
  66.                 }
  67.             }
  68.  
  69.             else
  70.             {
  71.                 while (ladybugIndex - Math.Abs(flyLength) < array.Length && ladybugIndex - Math.Abs(flyLength) >= 0)
  72.                 {
  73.                     if (array[ladybugIndex - Math.Abs(flyLength)] != 1)
  74.                     {
  75.                         array[ladybugIndex - Math.Abs(flyLength)] = 1;
  76.                         break;
  77.                     }
  78.  
  79.                     ladybugIndex--;
  80.                 }
  81.             }
  82.         }
  83.  
  84.         static void MoveToLeft(int flyLength, int ladybugIndex, int[] array)
  85.         {
  86.             if (flyLength >= 0)
  87.             {
  88.                 while (ladybugIndex - flyLength < array.Length && ladybugIndex - flyLength >= 0)
  89.                 {
  90.                     if (array[ladybugIndex - flyLength] != 1)
  91.                     {
  92.                         array[ladybugIndex - flyLength] = 1;
  93.                         break;
  94.                     }
  95.  
  96.                     ladybugIndex--;
  97.                 }
  98.             }
  99.  
  100.             else
  101.             {
  102.                 while (ladybugIndex + Math.Abs(flyLength) < array.Length && ladybugIndex + Math.Abs(flyLength) >= 0)
  103.                 {
  104.                     if (array[ladybugIndex + Math.Abs(flyLength)] != 1)
  105.                     {
  106.                         array[ladybugIndex + Math.Abs(flyLength)] = 1;
  107.                         break;
  108.                     }
  109.  
  110.                     ladybugIndex++;
  111.                 }
  112.             }
  113.         }
  114.     }
  115. }
Runtime error #stdin #stdout #stderr 0.01s 135744KB
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Standard input is empty
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Standard output is empty
stderr
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Unhandled Exception:
System.ArgumentNullException: Value cannot be null.
Parameter name: String
  at System.Number.StringToNumber (System.String str, System.Globalization.NumberStyles options, System.Number+NumberBuffer& number, System.Globalization.NumberFormatInfo info, System.Boolean parseDecimal) [0x00006] in <8f2c484307284b51944a1a13a14c0266>:0 
  at System.Number.ParseInt32 (System.String s, System.Globalization.NumberStyles style, System.Globalization.NumberFormatInfo info) [0x00014] in <8f2c484307284b51944a1a13a14c0266>:0 
  at System.Int32.Parse (System.String s) [0x00007] in <8f2c484307284b51944a1a13a14c0266>:0 
  at _02.Lady_Bugs.Program.Main () [0x00005] in <5409a61a748e4a0ab8c35d18d851e112>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.ArgumentNullException: Value cannot be null.
Parameter name: String
  at System.Number.StringToNumber (System.String str, System.Globalization.NumberStyles options, System.Number+NumberBuffer& number, System.Globalization.NumberFormatInfo info, System.Boolean parseDecimal) [0x00006] in <8f2c484307284b51944a1a13a14c0266>:0 
  at System.Number.ParseInt32 (System.String s, System.Globalization.NumberStyles style, System.Globalization.NumberFormatInfo info) [0x00014] in <8f2c484307284b51944a1a13a14c0266>:0 
  at System.Int32.Parse (System.String s) [0x00007] in <8f2c484307284b51944a1a13a14c0266>:0 
  at _02.Lady_Bugs.Program.Main () [0x00005] in <5409a61a748e4a0ab8c35d18d851e112>:0
https://ideone.com/L7tgmM
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
secret

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