Easy 4K 221 Given the array nums consisting of 2n elements in the form [x,X x,y,y y ]. Return the array in the form [x,y,X,y X,y ]. Example 1

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24.01.2023, 15:34
Shuffle the Array - LeetCode
https://leetcode.com/problems/shuffle-the-array/
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Description
Discussion (20)
Solutions (4.1K
Easy
3.4K
221
Given the array 
nums
consisting of 
2n
elements in the form 
[x ,x ,...,x ,y ,y ,...,y ]
.
Return the array in the form 
[x ,y ,x ,y ,...,x ,y ]
.
Example 1:
Input:
nums = 
[2,5,1,3,4,7], n = 3 
Output:
[2,3,5,4,1,7]
Explanation:
Since x =2, 
x =5, x =1, y =3, y =4, y =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
Companies
1
2
n
1
2
n
1
1
2
2
n
n
1
2
3
1
2
3
nums =
[2,5,1,3,4,7]
n =
3
Console
Run
Submit
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Java
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class
Solution
{
public
int
[] 
shuffle
(
int
[] 
nums
, 
int
n
) {
for
(
int
i
= 
0
; i < n; i ++) {
System
.
arraycopy
(arr, 
0
, sh,i, );
}
}
int
[] 
sh
= 
new
int
[
nums
.
length
];
int
[] 
arr
= {nums[i], nums[i + n]};
}
Testcase
Result
Case 
Case 
Case