Cod sursa(job #2717079)

Utilizator Mihai145Oprea Mihai Adrian Mihai145 Data 6 martie 2021 12:06:52
Problema Radix Sort Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.01 kb
#include <fstream>

using namespace std;

ifstream cin("radixsort.in");
ofstream cout("radixsort.out");

const int NMAX = 1e7;
const int BYTE = 8;

int N, A, B, C;
int v[NMAX + 2], aux[NMAX + 2];
int cnt[(1 << BYTE) + 2];

int main()
{
    cin >> N >> A >> B >> C;

    v[1] = B;
    for(int i = 2; i <= N; i++) {
        v[i] = (1LL * A * v[i - 1] + B) % C;
    }

    for(int i = 1; i <= 4; i++) {
        for(int j = 0; j < BYTE; j++) {
            cnt[j] = 0;
        }

        for(int j = 1; j <= N; j++) {
            cnt[(v[j] >> ((i - 1) * BYTE)) & ((1 << BYTE) - 1)]++;
        }

        for(int j = 0; j < (1 << BYTE); j++) {
            cnt[j + 1] += cnt[j];
        }

        for(int j = N; j >= 1; j--) {
            aux[cnt[(v[j] >> ((i - 1) * BYTE)) & ((1 << BYTE) - 1)]--] = v[j];
        }

        for(int j = 1; j <= N; j++) {
            v[j] = aux[j];
        }
    }

    for(int i = 1; i <= N; i += 10) {
        cout << v[i] << ' ';
    }

    return 0;
}