Cod sursa(job #1250128)

Utilizator VladPanaitVlad Panait VladPanait Data 27 octombrie 2014 20:23:59
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.92 kb
#include <iostream>
#include <fstream>
using namespace std;

#define Nmax 10000005
#define BASE 65535

ifstream f ("radixsort.in");
ofstream g ("radixsort.out");

int n, a, b, c;
int m[Nmax], aux[Nmax], bucket[BASE + 1];

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

    int p = 1;
    for (int i = 1; BASE >> i; ++i)
        ++p;

    for (int i = 0; i < 32; i += p){
        for (int j = 0; j <= BASE; ++j)
           bucket[j] = 0;

        for (int j = 1; j <= n; ++j)
           ++bucket[(m[j] >> i) & BASE]; 

        for (int j = 1; j <= BASE; ++j)
            bucket[j] += bucket[j - 1];

        for (int j = n; j > 0; --j)
            aux[bucket[(m[j] >> i) & BASE]--] = m[j];

        for (int j = 1; j <= n; ++j)
            m[j] = aux[j];
    }

    for (int i = 1; i <= n; i += 10)
        g << m[i] << " ";
    g << "\n";

    return 0;
}