Cod sursa(job #2926683)

Utilizator RobertlelRobert Robertlel Data 18 octombrie 2022 13:40:36
Problema Sortare prin comparare Scor 40
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.77 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream f("algsort.in");
ofstream g("algsort.out");

int j , i , n , v[500005];

int partitie (int low , int high)
{
    int i = low - 1;
    int pivot = v[high];
    for(j=low; j<high; j++)
    {
        if(v[j] <= pivot)
        {
            i++;
            swap(v[i] , v[j]);
        }
    }
    swap(v[i+1] , v[high]);
    return i+1;
}

void quicksort (int low , int high)
{
    if(low < high)
    {
         int pi = partitie(low , high);
         quicksort (low , pi-1);
         quicksort (pi+1 , high);
    }
}

int main()
{
    f >> n;
    for(i=1; i<=n; i++)
        f >> v[i];
    quicksort (1 , n);
    for(i=1; i<=n; i++)
        g << v[i] << " ";


    return 0;
}