Cod sursa(job #2840611)

Utilizator cdenisCovei Denis cdenis Data 28 ianuarie 2022 14:43:16
Problema Sortare prin comparare Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.74 kb
#include <iostream>
#include <fstream>

using namespace std;

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

const int MAX=5e5+5;
int v[MAX],tmp[MAX],k,n;

int pivotare(int st,int dr)
{
    int i=st,j=dr;
    int ii=0,jj=1;
    while(i<j)
    {
        if(v[i]>v[j])
        {
            swap(v[i],v[j]);
            swap(ii,jj);
        }
        i+=ii;
        j-=jj;
    }
    return i;
}

void quicksort(int st, int dr)
{
    if(st==dr)
        return;
    int m=pivotare(st,dr);
    quicksort(st,m);
    quicksort(m+1,dr);
}

int main()
{
    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;
}