#include<iostream>
#include<vector>
using namespace std;
int main()
{
     int n,x,m=0,k=0,g;
     cin>>n>>x;
    vector<int> a(n);
    if(n==1)
    {
        cin>>g;
        if(g<0&&x>0)
        {
            cout<<x<<" "<<-2*g+x;
        }
        else if(g>0&&x<0)
        {
              cout<<2*g-x<<" "<<-x;
        }
        else
        cout<<"Impossible";
    }
    else
     {
        for(int i=0;i<n;i++)
          {
            cin>>a[i];
            if(a[i]<x&&m==0)
            m=a[i];
            else if(a[i]<x&&a[i]>m&&m!=0)
            m=a[i];
            else if(a[i]>x&&k==0)
            k=a[i];
            else if(a[i]>x&&k!=0&&a[i]<k)
            k=a[i];
        }
        if(m<0&&k>0)
         {
            if(x<0)
            cout<<2*k-x<<" "<<-x;
            else
            cout<<x<<" "<<-2*m+x;
        }
        else if(m<0&&k==0&&x>0)
        {
               cout<<x<<" "<<2*x-m;
        }
        else if(k>0&&m==0&&x<0)
        {
            cout<<2*k-x<<" "<<-x;
        }
        else
        cout<<"Impossible";
     }

    return 0;
}

И у меня так же (((

#include<iostream>
#include<vector>
using namespace std;
int main()
{
    int n,p,c,nmc=-1,nbmc=1;

    cin>>n>>p;
    int *mas=new int [n];
    for(int i(0); i<n; i++)
        cin>>mas[i];
     for (c = 0; c < n; ++c) if ( mas[c] < 0 && (nmc == -1 || mas[c] > mas[nmc]) ) nmc = c;
     for (c = 0; c < n; ++c) if ( mas[c] > 0 && (nbmc == 1 || mas[c] < mas[nbmc]) ) nbmc = c;
     if(p>0 && n!=1)
     {
         if (mas[nbmc]<p)
            cout<<"Impossible"<<endl;
         else
            cout<<p<<' '<<(2*(abs(mas[nmc])))+p<<endl;

     }
     if(p<0 && n!=1)
     {
        if(mas[nmc]>p)
            cout<<"Impossible"<<endl;
        else
        cout<<(2*(mas[nbmc]))-p<<' '<<-p<<endl;

     }
     if(n==1)
         for(int i(0); i<n; i++)
    {
        if(mas[i]<0&&p>0)
        {
            cout<<p<<" "<<-2*(mas[i])+p;
        }
        else if(mas[i]>0&&p<0)
        {
              cout<<2*(mas[i])-p<<" "<<-p;
        }
        else
        cout<<"Impossible";
    }
     cout<<endl;
     /*cout<<mas[nmc]<<' '<<mas[nbmc]<<endl;*/
    return 0;
}