Cod sursa(job #1393726)

Utilizator teoceltareconstantin teodor teoceltare Data 19 martie 2015 18:43:22
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.88 kb
#include<fstream>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int n,v[500010];
void citire()
{
    fin>>n;
    for(int a=1;a<=n;a++)
    {
        fin>>v[a];
    }
}
void sort1(int min1,int max1)
{
    int i=min1,j=max1;
    int p;
    int pivot=v[(min1+max1)/2];
    while(i<=j)
    {
        while(v[i]<pivot and i<n)
        {
            i++;
        }
        while(v[j]>pivot)
        {
            j--;
        }
        if(i<=j)
        {
            p=v[i];
            v[i]=v[j];
            v[j]=p;
            i++;
            j--;
        }
    }
    if(min1<j)
    {
        sort1(min1,j);
    }
    if(i<max1)
    {
        sort1(i,max1);
    }
}
void afisare()
{
    for(int a=1;a<=n;a++)
    {
        fout<<v[a]<<" ";
    }
}
int main()
{
    citire();
    sort1(1,n);
    afisare();
}