lec6_13.cpp

//{ Driver Code Starts
#include<bits/stdc++.h>
using namespace std;


// } Driver Code Ends
class Solution
{
    public:
    //Function to find the next greater element for each element of the array.
    vector<long long> nextLargerElement(vector<long long> arr, int n){
        // Your code here
        vector<long long>ans(n ,-1);
        
        for(int i = 0 ; i<n; i++)
        {
            for(int j = i +1 ; j<n;j++)
            {
                if( arr[j]> arr[i])
                {
                    ans[i] = arr[j];
                    break;
                }
            }
        }
        return ans;
    }
};

//{ Driver Code Starts.

int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        
        int n;
        cin>>n;
        vector<long long> arr(n);
        for(int i=0;i<n;i++)
            cin>>arr[i];
        
        Solution obj;
        vector <long long> res = obj.nextLargerElement(arr, n);
        for (long long i : res) cout << i << " ";
        cout<<endl;
    }
	return 0;
}
// } Driver Code Ends