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#include <iostream>
#include <fstream>
#include <algorithm>
#include <time.h>
using namespace std;
int partitie( int *v, int st, int dr)
{
int p = v[dr], i, j, aux;
i = st-1;
for ( j = st; j < dr ; j++)
{
if ( v[j] <= p )
{
i++;
swap ( v[i], v[j]);
}
}
swap (v[i+1],v[dr]);
return (i+1);
}
void quickSort ( int *v, int st, int dr)
{
if( st >= dr)
return;
int p = partitie ( v, st ,dr);
quickSort(v, st, p-1);
quickSort(v, p+1, dr);
}
int pivot (int *v, int st, int dr)
{
int x1 ,x2, x3 ,y = dr - st + 1 ;
x1 = rand() % y + st;
x2 = rand() % y + st;
x3 = rand() % y + st;
if(v[x1] <= v[x2] && v[x1] <= v[x3])
{
if( v[x2] <= v[x3])
return v[x2];
return v[x3];
}
if(v[x2] <= v[x1] && v[x2] <= v[x3])
{
if( v[x3] <= v[x1])
return v[x3];
return v[x1];
}
if(v[x3] <= v[x1] && v[x3] <= v[x2])
{
if( v[x2] <= v[x1])
return v[x2];
return v[x1];
}
}
void QuickSort ( int *v ,int st, int dr)
{
if ( st >= dr )
return;
int p = pivot (v, st, dr);
int i = st , j = dr;
while ( i <=j)
{
while ( v[i] < p )
i++;
while ( v[j] > p)
j--;
if( i<= j)
{
swap(v[i], v[j]);
i++;
j--;
}
}
QuickSort(v, st ,j);
QuickSort (v, i, dr);
}
int main()
{
int n, *v, i;
ifstream in("algsort.in");
ofstream out ("algsort.out");
in >> n;
v = new int [n+1];
for (i = 0 ; i < n ; i++)
in >> v[i];
QuickSort (v, 0, n-1);
for (i = 0; i < n; i++)
out << v[i] << " ";
in.close();
out.close();
return 0;
}