Cod sursa(job #1020803)

Utilizator TheNechizFMI Razvan Birisan TheNechiz Data 2 noiembrie 2013 17:40:28
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.07 kb
# include <fstream>
# define dim 500000
using namespace std;

ifstream fin("algsort.in");
ofstream fout("algsort.out");

int v[dim],N;
int v1[dim],k[dim];

void swap1( int &x , int &y )
{
    int aux;
    aux = x;
    x = y;
    y = aux;
}

void algsort()
{
    // cocktail sort - o alta varianta
    int i,right,left,k;
    right = N-2;
    left = 1;
    do
    {
        // dreapta-stanga
        for( i = right ; i >= left ; --i )
            if( v[i-1] > v[i] )
            {
                swap1(v[i-1],v[i]);
                k = i;
            }
        left = k+1;

        // stanga-dreapta
        for( i = left ; i <= right ; ++i )
            if( v[i-1] > v[i] )
            {
                swap1(v[i-1],v[i]);
                k = i;
            }
        right = k-1;

    }while( left > right );
}

int main(){

    int i;
    fin >> N;
    for( i = 0 ; i < N ; ++i )
        fin >> v[i];

    algsort();

    for( i = 0 ; i < N ; ++i )
        fout << v1[i] << ' ';

    fin.close();
    fout.close();
    return 0;
}