codeforces/1859A.cpp at main · Nithin0306/codeforces · GitHub

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#include <bits/stdc++.h>
using namespace std;

int main(){
    int t;
    cin >> t;

    while (t--){
        int n;
        cin >> n;
        vector<int> a(n);

        for (int i = 0; i < n; i++) cin >> a[i];

        int mx = *max_element(a.begin(),a.end());
        vector<int> b, c;
        for (int i = 0; i < n; i++){
            if (a[i] != mx)
                b.push_back(a[i]);
            else
                c.push_back(a[i]);
        }

        if (b.size() == 0)
            cout << -1 << endl;
        else{
            cout << b.size() << " " << c.size() << endl;

            for (auto it : b)
                cout << it << " ";
            cout << endl;

            for (auto it : c)
                cout << it << " ";
            cout << endl;
        }
    }
    return 0;
}