Cod sursa(job #1145921)

Utilizator gabrielinelusGabriel-Robert Inelus gabrielinelus Data 18 martie 2014 16:00:34
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.99 kb
#include <cstdio>
#include <vector>
#define mask 255

using namespace std;
int v[10000005],N;
int A,B,C;
vector<int> bucket[mask+2];

void sparge(int k)
{
    int _key;
    for(int i = 1; i <= N; ++i)
    {
        _key = ((v[i]>>(8*k))&mask);
        bucket[_key].push_back(v[i]);
    }
}
void comprima()
{
    int pz = 0;
    for(int i = 0; i <= mask; ++i)
    {
        for(vector<int>::iterator it = bucket[i].begin(); it != bucket[i].end(); ++it)
            v[++pz] = *it;
        bucket[i].clear();
    }
}

void solve()
{
    for(int i = 0; i <= 3; ++i)
    {
        sparge(i);
        comprima();
    }
}

void print()
{
    for(int i = 1; i <= N; i += 10)
        printf("%d ",v[i]);
}

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

    scanf("%d%d%d%d",&N,&A,&B,&C);
    v[1] = B;
    for(int i = 2; i <= N; ++i)
        v[i] = (A * v[i-1] + B) % C;
    solve();
    print();

    return 0;
}