Shuffle the Array

Program Description:

Shuffle the Array

Given the array nums consisting of 2n elements in the form [x1,x2,...,xn,y1,y2,...,yn].

Return the array in the form [x1,y1,x2,y2,...,xn,yn].


Example 1:

Input: nums = [2,5,1,3,4,7], n = 3

Output: [2,3,5,4,1,7] 

Explanation: Since x1=2, x2=5, x3=1, y1=3, y2=4, y3=7 then the answer is [2,3,5,4,1,7].


Example 2:

Input: nums = [1,2,3,4,4,3,2,1], n = 4

Output: [1,4,2,3,3,2,4,1]


Example 3:

Input: nums = [1,1,2,2], n = 2

Output: [1,2,1,2]


Constraints:

1 <= n <= 500

nums.length == 2n

1 <= nums[i] <= 10^3


Solution:

class Solution {

    public int[] shuffle(int[] nums, int n) {

        int InsertValue = nums[n];

        for(int i=1; i< nums.length; i+=2){

            if(n>nums.length-1){

                break;

            }

            InsertValue = nums[n];

            for(int j = n; j >i ; j--){

                nums[j] = nums[j-1];

            }

            nums[i] = InsertValue;

            n+=1;

        }

        return nums;

    }

}


Reference👉 Shuffle the Array

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