Cod sursa(job #1218785)

Utilizator gabrielinelusGabriel-Robert Inelus gabrielinelus Data 12 august 2014 15:29:25
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include <cstdio>
#include <vector>

#define MASK 255

using namespace std;
int v[10000005],N,A,B,C;

void read( void )
{
    scanf("%d%d%d%d",&N,&A,&B,&C);
    v[1] = B;
    for(int i = 2; i <= N; ++i)
            v[i] = (1LL*A*v[i-1] + B) % C;
}

void sparge(int k)
{
    int pz = 0;
    vector<int> bucket[MASK+2];
    for(int i = 1; i <= N; ++i)
        bucket[(v[i]>>k)&MASK].push_back(v[i]);
    for(int i = 0; i <= MASK; ++i)
        for(vector<int>::iterator it = bucket[i].begin(); it != bucket[i].end(); ++it)
            v[++pz] = *it;
}


int main()
{
    freopen("radixsort.in","r",stdin);
    freopen("radixsort.out","w",stdout);

    read();
    for(int i = 0; i <= 3; ++i)
        sparge(8*i);
    for(int i = 1; i <= N; i += 10)
        printf("%d ",v[i]);

    return 0;
}