TLE error comes please check the code

#1

#include<bits/stdc++.h>
using namespace std;
void suffle(long long * a,long long s,long long e)
{
srand(time(NULL));
long long j;
for(long long i=e;i>0;i–)
{
j=rand()%(i+1);
swap(a[j],a[i]);
}
}
long long find_pivot(long long * a,long long s,long long n)
{
long long j=0;
for(long long i=0;i<n-1;i++)
{
if(a[i]<a[n-1])
{
// cout<<j<<endl;
swap(a[i],a[j]);
j++;
}
}
swap(a[n-1],a[j]);
return j;
}
void quicksort(long long * a,long long s,long long n)
{

if(s<n)
{
	
long long pivot=find_pivot(a,s,n);
//	cout<<s<<" "<<n<<" "<<pivot<<endl;
quicksort(a,s,pivot);
quicksort(a,pivot+1,n);

}}
int main() {
long long n;
cin>>n;
long long a[n];
for(long long i=0;i<n;i++)
cin>>a[i];
suffle(a,0,n-1);
quicksort(a,0,n);
for(long long i=0;i<n;i++)
cout<<a[i]<<" ";
return 0;
}
the link is :

#2

since the constraints are large quick sort has worst case complexity O( N ^2)
try some other sort

#3

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