Leetcode 1470 Shuffle the Array Solution in Java | Hindi Coding Community

 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].

Write a program to shuffle the array. We have wrote this solution in java language.

 

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

Java Code :

class Solution {

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

int[] arr=new int[nums.length];

int i=0;

int h=(nums.length/2);

int l=0;

while(i<nums.length)

{

if(i%2==1){

arr[i]=nums[h];

h++;

}

else{

arr[i]=nums[l];

l++;

}

i++;

}

return arr;

}

}