forked from sunnyshahabuddin/Coding-Ninjas
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathquicksort.cpp
More file actions
47 lines (46 loc) · 676 Bytes
/
quicksort.cpp
File metadata and controls
47 lines (46 loc) · 676 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
#include<bits/stdc++.h>
using namespace std;
int partiton(int *a,int s,int e)
{
int i=s-1;
int j=s;
int pivot=a[e];
while(j<e)
{
if(a[j]<=pivot)
{
i++;
swap(a[i],a[j]);
}
j++;
}
swap(a[i+1],a[e]);
return i+1;
}
void quicksort(int *a,int s, int e)
{
if(s>=e)
{
return;
}
int p=partiton(a,s,e);
quicksort(a,s,p-1);
quicksort(a,p+1,e);
}
int main()
{
int n;
cin>>n;
int a[n];
for(int i=0;i<n;i++)
{
cin>>a[i];
}
int s=0;
int e=n-1;
quicksort(a,s,e);
for(int i=0;i<n;i++)
{
cout<<a[i]<<" ";
}
}