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hackerrank lonely integer.cs
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hackerrank lonely integer.cs
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using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Collections;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text.RegularExpressions;
using System.Text;
using System;
class Result
{
/*
* Complete the 'lonelyinteger' function below.
*
* The function is expected to return an INTEGER.
* The function accepts INTEGER_ARRAY a as parameter.
*/
public static int lonelyinteger(List<int> a)
{
//http://sonergonul.net/tag/hackerrank-c/
// bu sayfada aciklamasi var
// ixorlama islemi birmrii ile ayni olan cifti olan rakamlari sifirlar
var result=0;
foreach(var i in a){
result= result^i;
}
return result;
}
}
class Solution
{
public static void Main(string[] args)
{
TextWriter textWriter = new StreamWriter(@System.Environment.GetEnvironmentVariable("OUTPUT_PATH"), true);
int n = Convert.ToInt32(Console.ReadLine().Trim());
List<int> a = Console.ReadLine().TrimEnd().Split(' ').ToList().Select(aTemp => Convert.ToInt32(aTemp)).ToList();
int result = Result.lonelyinteger(a);
textWriter.WriteLine(result);
textWriter.Flush();
textWriter.Close();
}
}