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  1. Arrays: Left Rotation
  2. Discussions

Arrays: Left Rotation

  • amezolma
     + 2 comments

    Did something similar in C#..

    using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {
    
    static string rotate(int rot, int[] arr)
    {
        string left = string.Join(
            " ", arr.Take(rot).ToArray()
        );
        string right = string.Join(
            " ", arr.Skip(rot).ToArray()
        );
        return right + ' ' + left;
    }

    static void Main(String[] args) {
        string[] tokens_n = Console.ReadLine().Split(' ');
        int n = Convert.ToInt32(tokens_n[0]);
        int k = Convert.ToInt32(tokens_n[1]);
        string[] a_temp = Console.ReadLine().Split(' ');        
        int[] a = Array.ConvertAll(a_temp,Int32.Parse);

        // rotate and return as string
        string result = Solution.rotate(k, a);
        // print result        
        Console.WriteLine(result);
    }
}