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function pivot(arr,start = 0 ,end = arr.length-1){
function swap(arr,i,j){
var temp = arr[i];
arr[i]=arr[j];
arr[j]=temp;
}
var pivot = arr[start];
var swapIdx = start;
for(var i = start+1;i< arr.length;i++){
if(pivot>arr[i]){
swapIdx++;
swap(arr,swapIdx,i);
console.log(arr);
}
}
swap(arr,start,swapIdx);
return arr;
}
console.log(pivot([4,8,2,1,5,7,6,3]));
JavaScript
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