Cod sursa(job #2306306)

Utilizator badea_adi1999Badea Adrian Catalin badea_adi1999 Data 21 decembrie 2018 22:04:10
Problema Radix Sort Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.85 kb
#include <cstdio>
#include <cstring>
#include <fstream>
#define nmax 10000005
using namespace std;
ifstream f("radixsort.in");
ofstream g("radixsort.out");
int v[nmax], k[nmax];
int n, a, b, c , p[(1<<16)];
int base;

inline int rest(const int &e)
{
    return (e>>(base*16))&((1<<16)-1);
}
int main()
{
    int i;
    f>>n>>a>>b>>c;
    v[1] = b;
    for (i = 2; i<= n; i++)
        v[i] = (a* v[i-1]+b) %c;
    base = 0;
    while (base <=1) {

        memset(p, 0, sizeof(p));

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

        for (i = 1; i < (1<<16); i++)
            p[i] += p[i-1];

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

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

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

    return 0;
}