Cod sursa(job #608167)

Utilizator cosminx2003Cosmin Clapon cosminx2003 Data 15 august 2011 14:23:27
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.79 kb
#include <fstream.h>
#include <iostream.h>
#define MAX 500001
#define MAXX 200
ifstream f("algsort.in");
ofstream g("algsort.out");
int v[MAX],s[MAXX];

int main()
{
	int i,n,c=0,stop,start,j,p,aux,k,end;
	
	f>>n;
	for(i=1;i<=n;i++)
		f>>v[i];

	s[c++]=1;
	s[c++]=n;
	while(c>0)
	{
		j=s[--c];
		i=s[--c];
		start=i;
		stop=j;

		if(start>=stop)
			continue; 
		
		p=v[(i+j)/2];
		while(i<=j)
		{
			while(v[i]<p)
				i++;
			while(v[j]>p)
				j--;
			if(i<=j)
				aux=v[i], v[i]=v[j], v[j]=aux, i++, j--;
		}
		
		if(i-start > stop-i)
		{
				s[c++]=i+1, s[c++]=stop;
				s[c++]=start, s[c++]=i-1;
		}
		else
		{
			s[c++]=i+1, s[c++]=stop;
			s[c++]=start, s[c++]=i-1;
		}
	}
	
	
	for(i=1;i<=n;i++)
		g<<v[i]<<" ";
	
	f.close();
	g.close();
	return 0;
}