Cod sursa(job #2134441)

Utilizator flaviu_2001Craciun Ioan-Flaviu flaviu_2001 Data 17 februarie 2018 22:44:00
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.95 kb
#include <bits/stdc++.h>

using namespace std;

int n, v[10000005];
vector<int> buckets[16];

void list_to_buckets(int64_t it)
{
    for (int64_t i = 0; i < 16; ++i)
        buckets[i].clear();
    for (int64_t i = 1; i <= n; ++i){
        int64_t dig = v[i]%it;
        dig /= (it/16);
        buckets[dig].push_back(v[i]);
    }
}

void buckets_to_list()
{
    int p = 0;
    for (int i = 0; i < 16; ++i)
        for (vector<int>::iterator it = buckets[i].begin(); it != buckets[i].end(); ++it)
            v[++p] = *it;
}

int main()
{
    ifstream fin ("radixsort.in");
    ofstream fout ("radixsort.out");
    fin >> n;
    int64_t a, b, c;
    fin >> a >> b >> c;
    v[1] = b;
    for (int64_t i = 2; i <= n; ++i)
        v[i] = (a*v[i-1]+b)%c;
    int64_t it = 16;
    for (int64_t i = 1; i <= 4; ++i){
        list_to_buckets(it);
        buckets_to_list();
        it *= 16;
    }
    for (int64_t i = 1; i <= n; i += 10)
        fout << v[i] << " ";
    return 0;
}