Cod sursa(job #2480229)

Utilizator dada147edfv f dada147 Data 25 octombrie 2019 08:37:26
Problema Sortare prin comparare Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.77 kb
#include <fstream>
using namespace std;

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

int n,  v[12121];

int pivot(int st, int dr) {
    int i = st, j = dr;
    int di = 1, dj = 0;
    while(i < j) {
        if(v[i] > v[j]) {
            di = 1-di;
            dj = 1-dj;
            int aux;
            aux = v[i];
            v[i] = v[j];
            v[j] = aux;
        }
        i += di;
        j -= dj;
    }
    return i;
}

void quicksort(int st, int dr) {
    if(st < dr) {
        int p = pivot(st, dr);
        quicksort(st, p-1);
        quicksort(p+1, dr);
    }
}

int main() {
    f >> n;
    for(int i = 0; i < n; i++)
        f >> v[i];
    quicksort(0, n-1);
    for(int i = 0; i < n; i++)
        g << v[i] << ' ';
}