Cod sursa(job #3253867)

Utilizator nicushor21Pirlog Marian Nicolae nicushor21 Data 5 noiembrie 2024 00:53:13
Problema Sortare prin comparare Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.63 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int n,v[500001],aux[500001];

void quicksort(int st, int dr){
    if(st>=dr)
        return;

    int i=st,j=dr,pivot=(st+dr)/2;
    while(i<j){
        if(v[i]<v[pivot])
            i++;
        if(v[j]>v[pivot])
            j--;
        if(v[i]>v[j]&&i<j)
            swap(v[i++],v[j--]);
    }
    quicksort(st, i-1);
    quicksort(i+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;
}