Cod sursa(job #3254134)

Utilizator Bianca2507Negret Bianca Bianca2507 Data 6 noiembrie 2024 11:38:49
Problema Sortare prin comparare Scor 80
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.8 kb
#include <fstream>
#include <ctime>
#include <cstdlib>
#include <algorithm>
using namespace std;
ifstream cin("algsort.in");
ofstream cout("algsort.out");

int n,v[500005];
void sorteaza(int st,int dr)
{
    if(st<dr)
    {
        int p=rand()%(dr-st+1)+st;
        swap(v[p],v[st]);
        int i=st;
        int j=dr;
        int mod=0;
        while(i<j)
        {
            if(v[i]>v[j])
            {
                swap(v[i],v[j]);
                mod=1-mod;
            }
            i=i+mod;
            j=j-(1-mod);
        }
        sorteaza(st,i-1);
        sorteaza(i+1,dr);
    }
}
int main()
{
    srand(time(NULL));
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>v[i];
    sorteaza(1,n);
    for(int i=1;i<=n;i++)
        cout<<v[i]<<" ";
    return 0;
}