-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathQuick_Sort.cpp
More file actions
40 lines (40 loc) · 797 Bytes
/
Copy pathQuick_Sort.cpp
File metadata and controls
40 lines (40 loc) · 797 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
#include<bits/stdc++.h>
using namespace std;
void swap(int *p,int *q)
{
int temp=*p;
*p = *q;
*q = temp;
}
int partition(int arr[],int start,int end)
{
int pivot=arr[end];
int pIndex = start;
for(int i=start;i<end;i++)
{
if(arr[i]<=pivot)
{
swap(arr[pIndex],arr[i]);
pIndex++;
}
}
swap(arr[pIndex],arr[end]);
return pIndex;
}
void quickSort(int arr[],int start,int end)
{
if(start>=end)return;
int pIndex = partition(arr,start,end);
quickSort(arr,start,pIndex-1);
quickSort(arr,pIndex+1,end);
}
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] << endl;
return 0;
}