Cod sursa(job #3252894)

Utilizator Radu_Tanasebitlevel Radu_Tanase Data 31 octombrie 2024 14:16:19
Problema Sortare prin comparare Scor 80
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.7 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("algsort.in");
ofstream fout("algsort.out");

int v[500000];

void QuickSort(int st, int dr)
{
	if(st < dr)
	{
		int m = (st + dr) / 2, aux = v[st], i = st, j = dr, d = 0;
		v[st] = v[m];
		v[m] = aux;
		while(i < j)
		{
			if(v[i] > v[j])
			{
				aux = v[i];
				v[i] = v[j];
				v[j] = aux;
				d = 1 - d;
			}
			i += d;
			j -= 1 - d;
		}
		QuickSort(st , i - 1);
		QuickSort(i + 1 , dr);
	}
}

int main()
{
    int n;

    fin >> n;
    for(int i = 1; i <= n; i++)
        fin >> v[i];

    QuickSort(1,n);

    for(int i = 1; i <= n; i++)
        fout << v[i] << " ";

    return 0;
}