Cod sursa(job #1233395)

Utilizator zikade9Irimia Rares zikade9 Data 25 septembrie 2014 11:36:12
Problema Sortare prin comparare Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 1.23 kb
#include<cstdio>
using namespace std;
int x,n,k,i,aux,a[1000];
int sort(int i, int j)
{
    int k=i,aux;
    x=1;
    while(i<j)
    {
        if(x==1)
        {
            if(a[i]>a[j])
            {
                aux=a[i];
                a[i]=a[j];
                a[j]=aux;
                x=2;
                i++;
                k=j;
            }
            else{
                    j--;
                    k=j;
                }
        }
        else if(x==2)
        {
            if(a[j]<a[i])
            {
                aux=a[i];
                a[i]=a[j];
                a[j]=aux;
                x=1;
                j--;
                k=i;
            }
            else{
                    i++;
                    k=j;
                }
        }
    }
    return k;
}


void quick(int p,int u)
{
    if (p<u)
    {
        int k=sort(p,u);
        quick(p,k-1);
        quick(k+1,u);
    }
}

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