k_th_arrays.cpp

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

class Solution{
    public:
    
    int kthElement(int arr1[], int arr2[], int n, int m, int k)
    {
        vector<int>v1;
        for(int i =0;i<n;i++){
            v1.push_back(arr1[i]);
        }
        for(int i =0;i<m;i++){
            v1.push_back(arr2[i]);
        }
        sort(v1.begin(),v1.end());
        
        return v1[k-1];
    }
};



int main()
{
	int t;
	cin>>t;
	while(t--){
		int n,m,k;
		cin>>n>>m>>k;
		int arr1[n],arr2[m];
		for(int i=0;i<n;i++)
			cin>>arr1[i];
		for(int i=0;i<m; i++)
			cin>>arr2[i];

		Solution ob;
		cout << ob.kthElement(arr1, arr2, n, m, k)<<endl;

	}

	return 0;
}