Cod sursa(job #3233247)

Utilizator MirceaDonciuLicentaLicenta Mircea Donciu MirceaDonciuLicenta Data 2 iunie 2024 20:43:54
Problema Radix Sort Scor 30
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.29 kb
#include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>
#include <cstdint>

using namespace std;

void countingSort(vector<long long>& arr, int n, long long exp) {
    vector<long long> output(n);
    int count[10] = {0};

    for (int i = 0; i < n; i++) {
        count[(arr[i] / exp) % 10]++;
    }

    for (int i = 1; i < 10; i++) {
        count[i] += count[i - 1];
    }

    for (int i = n - 1; i >= 0; i--) {
        output[count[(arr[i] / exp) % 10] - 1] = arr[i];
        count[(arr[i] / exp) % 10]--;
    }

    for (int i = 0; i < n; i++) {
        arr[i] = output[i];
    }
}

void radixSort(vector<long long>& arr, int n) {
    long long maxElement = *max_element(arr.begin(), arr.end());

    for (long long exp = 1; maxElement / exp > 0; exp *= 10) {
        countingSort(arr, n, exp);
    }
}

int main() {
    ifstream infile("radixsort.in");
    ofstream outfile("radixsort.out");

    long long N, A, B, C;
    infile >> N >> A >> B >> C;

    vector<long long> v(N);
    v[0] = B;

    for (int i = 1; i < N; i++) {
        v[i] = (A * v[i - 1] + B) % C;
    }

    radixSort(v, N);

    for (int i = 0; i < N; i += 10) {
        outfile << v[i] << " ";
    }

    infile.close();
    outfile.close();

    return 0;
}