Cod sursa(job #2306623)

Utilizator MaxTeoTeo Oprescu MaxTeo Data 22 decembrie 2018 17:38:29
Problema Radix Sort Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.9 kb
#include <bits/stdc++.h>
using namespace std;
ifstream f("radixsort.in");
ofstream g("radixsort.out");

const int MAX = 1e7 + 5;

int base, n, a, b, c;
int v[MAX], k[MAX], p[257];

inline int rest(int k)
{
    return (k >> (8 * base)) & 255;
}

void generare()
{
    f >> n >> a >> b >> c;
    v[1] = b;
    for(int i = 2; i <= n; ++i)
        v[i] = (1LL * a * v[i - 1] + b) % c;
}

int main()
{
    generare();
    while(base < 4)
    {
        for(int i = 0; i <= 255; ++i)
            p[i] = 0;

        for(int i = 1; i <= n; ++i)
            ++p[rest(v[i])];

        for(int i = 1; i <= 255; ++i)
            p[i] += p[i - 1];

        for(int i = n; i >= 1; --i)
            k[p[rest(v[i])]--] = v[i];

        for(int i = 1; i <= n; ++i)
            v[i] = k[i];

        ++base;
    }
    for(int i = 1; i <= n; i+=10)
        g << v[i] << " ";

    return 0;
}