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Update quicksort.js #182

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Update quicksort.js #182

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7 changes: 4 additions & 3 deletions Sorts/quicksort.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,10 @@

function partition( arr, start, end) {
let p = start;
let pivot = arr[end];
let middle = Math.floor((start + end) / 2); // take pivot as middle element for lesser comparisons and faster computation
let pivot = arr[middle];
for (let i = start; i < end; i++) {
if (arr[i] >= pivot) {
if (arr[i] <= pivot) {
let temp = arr[i];
arr[i] = arr[p];
arr[p] = temp;
Expand All @@ -28,4 +29,4 @@ function partition( arr, start, end) {
}
var arr = [ 7, 2, 1, 6, 5, 3, 8, 4 ];
quicksort(arr, 0, arr.length - 1);
console.log(arr.toString())
console.log(arr.toString())