Leaderboard
Showing:
Handle Score
@Ibrahim Nash 6454
@blackshadows 6380
@mb1973 5714
@Quandray 5245
@akhayrutdinov 5111
@saiujwal13083 5046
@sanjay05 3762
@kirtidee18 3709
@mantu_singh 3556
@marius_valentin_dragoi 3523
@sushant_a 3459
Complete Leaderboard
Wave Array
Easy Accuracy: 62.9% Submissions: 46759 Points: 2

Given a sorted array arr[] of distinct integers. Sort the array into a wave-like array and return it. In other words, arrange the elements into a sequence such that a1 >= a2 <= a3 >= a4 <= a5..... (considering the increasing lexicographical order).

Example 1:

Input:
n = 5
arr[] = {1,2,3,4,5}
Output: 2 1 4 3 5
Explanation: Array elements after 
sorting it in wave form are 
2 1 4 3 5.

Example 2:

Input:
n = 6
arr[] = {2,4,7,8,9,10}
Output: 4 2 8 7 10 9
Explanation: Array elements after 
sorting it in wave form are 
4 2 8 7 10 9.

Your Task:
The task is to complete the function convertToWave() which converts the given array to wave array.

Expected Time Complexity: O(n).
Expected Auxiliary Space: O(1).

Constraints:
1 ≤ n ≤ 106
0 ≤ A[i] ≤107

to report an issue on this page.

Editorial

We strongly recommend solving this problem on your own before viewing its editorial. Do you still want to view the editorial?

Yes

All Submissions

My Submissions:

Login to access your submissions.

Wave Array

Output Window