Cod sursa(job #1223300)

Utilizator gabrielinelusGabriel-Robert Inelus gabrielinelus Data 26 august 2014 15:03:50
Problema Sortare prin comparare Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 1.15 kb
#include <cstdio>
#include <vector>
#include <algorithm>

#define MASK 255

using namespace std;
int N;
vector<pair<int,int> > Sus,Jos;

void Sort(vector<pair<int,int> >&V,int disp,int cf1,int cf2)
{
    vector<pair<int,int> > bucket[256];
    for(int i = 0; i < (int)V.size(); ++i)
        bucket[((V[i].first*cf1 + V[i].second*cf2)>>disp) & MASK ].push_back(V[i]);
    for(int i = 0,pz = 0; i <= 255; ++i)
        for(int j = 0; j < (int) bucket[i].size(); ++j,++pz)
            V[pz] = bucket[i][j];
}

void read()
{
    scanf("%d",&N);
    int a,b,c;
    for(int i = 1; i <= N; ++i){
        scanf("%d",&b);
        Jos.push_back(make_pair(b,0));
        ///Sus.push_back(make_pair(a,c));
    }
}

void Bucket()
{
    for(int i = 0; i < 32; i += 8)
    {
        ///Sort(Sus,i,0,1);
        Sort(Jos,i,0,1);
    }
    for(int i = 0; i < 32; i += 8)
    {
        ///Sort(Sus,i,1,0);
        Sort(Jos,i,1,0);
    }
}

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

    read();
    Bucket();
    for(int i = 0; i < N; ++i )
        printf("%d ",Jos[i].first);

    return 0;
}