#include <iostream>
#include <vector>
#include <random>
#include <algorithm>
#include <chrono>
using namespace std;

// =============================================
// KONFIGURASI — ubah nilai di sini
// =============================================
const int DATA_SIZE = 1000000;  // jumlah elemen

// Pilih kondisi: "avg", "best", atau "worst"
const string CASE = "best";
// =============================================

void bubbleSort(vector<int>& a) {
    int n = a.size();
    for (int i = 0; i < n - 1; i++) {
        bool swapped = false;
        for (int j = 0; j < n - i - 1; j++)
            if (a[j] > a[j+1]) { swap(a[j], a[j+1]); swapped = true; }
        if (!swapped) break;
    }
}

vector<int> generateData(int n, const string& caseType) {
    vector<int> data(n);

    if (caseType == "best") {
        // Best case: sudah terurut ascending
        for (int i = 0; i < n; i++) data[i] = i + 1;

    } else if (caseType == "worst") {
        // Worst case: urutan terbalik (descending)
        for (int i = 0; i < n; i++) data[i] = n - i;

    } else {
        // Average case: acak (random shuffle)
        for (int i = 0; i < n; i++) data[i] = i + 1;
        mt19937 rng(42);
        shuffle(data.begin(), data.end(), rng);
    }

    return data;
}

int main() {
    vector<int> data = generateData(DATA_SIZE, CASE);

    auto start = chrono::high_resolution_clock::now();
    bubbleSort(data);
    auto end = chrono::high_resolution_clock::now();

    double ms = chrono::duration<double, milli>(end - start).count();

    cout << "Case     : " << CASE << endl;
    cout << "Size     : " << DATA_SIZE << endl;
    cout << "Waktu    : " << ms << " ms" << endl;

    return 0;
}