LeetCode 1470: Shuffle the Array Solution
Master LeetCode problem 1470 (Shuffle the Array), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
1470. Shuffle the Array
Problem Explanation
Explanation
To shuffle the array in the required form, we can iterate through the array and construct the shuffled array by interleaving the elements from the first half and the second half of the input array. We can achieve this by iterating over the input array and appending the elements at the corresponding indices in the shuffled array.
- Initialize an empty array to store the shuffled elements.
- Iterate over the input array from index 0 to n (exclusive) and append nums[i] and nums[i+n] to the shuffled array.
- Return the shuffled array as the result.
Time Complexity: O(n) where n is the number of elements in the input array nums. Space Complexity: O(n) where n is the number of elements in the input array nums.
Solution Code
class Solution {
public int[] shuffle(int[] nums, int n) {
int[] shuffled = new int[2 * n];
for (int i = 0; i < n; i++) {
shuffled[2*i] = nums[i];
shuffled[2*i + 1] = nums[i + n];
}
return shuffled;
}
}Try It Yourself
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