Cod sursa(job #2106726)

Utilizator BovisioNitica Ionut Bogdan Bovisio Data 16 ianuarie 2018 09:26:48
Problema Sortare prin comparare Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 0.95 kb
#include <cstdio>

using namespace std;

int n,a[1001];

int Sort(int Left,int Right)
{
    int aux;
    int Low = Left-1;
    int Pivot = a[Right];
    for(int i=Left;i<=Right-1;i++)
    {
        if(a[i] <= Pivot)
        {
            Low++;
            if(Low != i)
            {
                aux = a[Low];
                a[Low] = a[i];
                a[i] = aux;
            }
        }
    }
    aux = a[Low+1];
    a[Low+1] = a[Right];
    a[Right] = aux;
    return Low + 1;
}

void QuickSort(int L,int R)
{
    if(L < R)
    {
        int Pivot = Sort(L,R);

        QuickSort(L,Pivot-1);
        QuickSort(Pivot+1,R);
    }
}

int main()
{
    freopen("algsort.in","r",stdin);
    freopen("algsort.out","w",stdout);
    scanf("%i",&n);
    for(int i=1;i<=n;i++)
    {
        scanf("%i",&a[i]);
    }
    QuickSort(1,n);
    for(int i=1;i<=n;i++)
    {
        printf("%i ",a[i]);
    }
    return 0;
}