-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathQuickSort.cpp
More file actions
48 lines (39 loc) · 789 Bytes
/
QuickSort.cpp
File metadata and controls
48 lines (39 loc) · 789 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#include<iostream>
using namespace std;
void swap(int arr[],int i,int j){
int temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
int partition(int arr[],int l,int r){
int pivot = arr[r];
int i = l-1;
for(int j=l;j<r;j++){
if(arr[j]<pivot){
i++;
swap(arr,i,j);
}
}
swap(arr,i+1,r);
return i+1;
}
void QuickSort(int arr[],int l, int r){
if(r>l){
int pi = partition(arr,l,r);
QuickSort(arr,l,pi-1);
QuickSort(arr,pi+1,r);
}
}
int main(){
int n;
cin>>n;
int arr[n];
for(int i=0;i<n;i++){
cin>>arr[i];
}
QuickSort(arr,0,n-1);
for(int i=0;i<n;i++){
cout<<arr[i]<<" ";
}
return 0;
}