Cod sursa(job #2358755)

Utilizator AlexNiuclaeNiculae Alexandru Vlad AlexNiuclae Data 28 februarie 2019 12:17:22
Problema Sortare prin comparare Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.38 kb
#include <iostream>
#include <vector>
#include <cstdio>
#include <queue>

using namespace std;

int compareElements(int a, int b) {
    //cntComparisons++;
    return a - b;
}

void swapElements(int &a, int &b) {
    //cntExchanges++;
    swap(a, b);
}

void quicksort(vector<int> &arr, int left, int right) {
    int i = left; int j = right;
    int pivot = (left + right) / 2;
    while (i <= j) {
        while (i < right && compareElements(arr[i], arr[pivot]) < 0)
            i++;
        while (left < j && compareElements(arr[pivot], arr[j]) < 0)
            j--;

        if (i <= j) {
            swapElements(arr[i], arr[j]);
            i++; j--;
        }
    }

    if (left < j)
        quicksort(arr, left, j);
    if (i < right)
        quicksort(arr, i, right);
}

void runQuicksort(vector<int> &arr) {
    quicksort(arr, 0, (int)arr.size() - 1);

    /*SortInfo sortInfo;
    sortInfo.cntComparisons = cntComparisons;
    sortInfo.cntExchanges = cntExchanges;
    sortInfo.sortTime = ((double)time) / CLOCKS_PER_SEC;

    return sortInfo;*/
}

int main() {
    freopen("algsort.in","r",stdin);
    freopen("algsort.out","w",stdout);

    ios_base::sync_with_stdio(false);

    int N; cin >> N;

    vector<int> arr;
    for (int i = 0; i < N; ++i) {
        int x; cin >> x;
        arr.push_back(x);
    }

    runQuicksort(arr);
    for (auto &it: arr)
        cout << it << ' ';

    return 0;
}