mirror of
https://github.com/TheAlgorithms/JavaScript.git
synced 2025-07-24 21:56:48 +08:00
editing file names
This commit is contained in:
27
Sorts/WiggleSort.js
Normal file
27
Sorts/WiggleSort.js
Normal file
@ -0,0 +1,27 @@
|
||||
/*
|
||||
* Wiggle sort sorts the array into a wave like array.
|
||||
* An array ‘arr[0..n-1]’ is sorted in wave form if arr[0] >= arr[1] <= arr[2] >= arr[3] <= arr[4] >= …..
|
||||
*
|
||||
*/
|
||||
|
||||
/* eslint no-extend-native: ["off", { "exceptions": ["Object"] }] */
|
||||
Array.prototype.wiggleSort = function () {
|
||||
for (let i = 0; i < this.length; ++i) {
|
||||
const shouldNotBeLessThan = i % 2
|
||||
const isLessThan = this[i] < this[i + 1]
|
||||
if (shouldNotBeLessThan && isLessThan) {
|
||||
[this[i], this[i + 1]] = [this[i + 1], this[i]]
|
||||
}
|
||||
}
|
||||
return this
|
||||
}
|
||||
|
||||
// Implementation of wiggle sort
|
||||
|
||||
var arr = [3, 5, 2, 1, 6, 4]
|
||||
// Array before Wiggle Sort
|
||||
console.log(arr) // [3, 5, 2, 1, 6, 4]
|
||||
|
||||
arr.wiggleSort()
|
||||
// Array after wiggle sort
|
||||
console.log(arr) // [ 3, 5, 2, 6, 1, 4 ]
|
Reference in New Issue
Block a user