Cod sursa(job #2723550)

Utilizator radu.millio15Radu Millio radu.millio15 Data 14 martie 2021 18:35:45
Problema Sortare prin comparare Scor 40
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.81 kb
#include <bits/stdc++.h>
using namespace std;

int partition(vector<int> &v, int low, int high) {

    int pivot = v[high];
    int i = low - 1;

    for (int 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(vector<int> &v, int low, int high) {
    if (low < high) {
        int pi = partition(v, low, high);

        quickSort(v, low, pi - 1);
        quickSort(v, pi + 1, high);
    }
}

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

    int n;
    fin >> n;
    vector<int> v;
    for (int i = 0, x; i < n; i++) {
        fin >> x;
        v.push_back(x);
    }
    quickSort(v, 0, n - 1);
    for (int x : v) {
        fout << x << " ";
    }
    return 0;
}