#include <iostream>
using namespace std;

int main()
{
    int n=7, a[n] = {2,5,-3,4,7,-7,-1};

    for (int i=0 ; i<n ; i++)
        cout<<a[i]<<"  ";
    cout<<endl;

    for (int j=0 ; j<n ; j++)
        for (int i=0, t ; i<n-1 ; i++)
            if (a[i]>a[i+1] && a[i]>0 ||
            a[i]<a[i+1] && a[i]<0 && a[i+1]<0) {
                t = a[i+1];
                a[i+1] = a[i];
                a[i] = t;
            }
    for (int i=0 ; i<n ; i++)
        cout<<a[i]<<"  ";

    return 0;
}