Cod sursa(job #2124237)

Utilizator omegasFilip Ion omegas Data 7 februarie 2018 00:52:40
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 1.01 kb
#include <iostream>
#include <fstream>
#include <vector>
#include <deque>


using namespace std;
ifstream fin("radixsort.in");
ofstream fout("radixsort.out");



int n;



void csort(vector<int>& v, int cifra,int nr) {
    int i;
    int f[256];
    for(i=0;i<=255;++i){
        f[i] = 0;
    }
    vector<int> vv;

    for(i=0;i<n;++i){
        ++f[(v[i]&cifra)>>nr];
        vv.push_back(v[i]);

    }

    for(i=0;i<255;++i){
        f[i+1] +=f[i];

    }
    for(i=n - 1;i>=0;--i){
        v[f[(vv[i]&cifra)>>nr]-1] = vv[i];

        --f[(vv[i]&cifra)>>nr];

    }

}

int main()
{
    int x;
    vector<int> v;
    int a,b,c,i;
    fin >> n >> a >> b >> c;
    x = b;
    v.push_back(x);
    for(i=2;i<=n;++i){
        x = (a*x + b)%c;
        v.push_back(x);
    }


    csort(v,0x000000ff,0);
    csort(v,0x0000ff00,8);
    csort(v,0x00ff0000,16);
    csort(v,0xff000000,24);
    for(i=0;i<n;i+=10){
            fout << v[i] << " ";
    }

    return 0;
}