Cod sursa(job #739509)

Utilizator speederPetru Radu speeder Data 23 aprilie 2012 12:03:55
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.56 kb
#include<fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
long n,v[500001];
void QuickSort(long s,long d,long v[])
{
	long i=s,j=d,aux;
	long pivot=v[(s+d)/2];
	while(i<=j)
	{
		while(v[i]<pivot)
			i++;
		while(v[j]>pivot)
			j--;
		if(i<=j)
		{
			aux=v[i];
			v[i]=v[j];
			v[j]=aux;
			i++;
			j--;
		}
	}
	if(s<j)
		QuickSort(s,j,v);
	if(i<d)
		QuickSort(i,d,v);
}
int main()
{
	f>>n;
	for(long i=1;i<=n;i++)
		f>>v[i];
	QuickSort(1,n,v);
	for(long i=1;i<=n;i++)
		g<<v[i]<<' ';
	return 0;
}