#include<iostream>
#include<cstdlib>
using namespace std;
int main()
{
	int m;
	cin >> m;
	while (m--) {
		int n;
		cin >> n;
		int* anum = new int[n];//存数 
		int* agrp = new int[n];//存组 
		int maxn = -1, maxg = -1;//存最大数和最大组 
		for (int i = 0; i < n; i++) {
			cin >> anum[i];
			if (anum[i] > maxn)
				maxn = anum[i];
		}
		for (int i = 0; i < n; i++) {
			cin >> agrp[i];
			if (agrp[i] > maxg)
				maxg = agrp[i];
		}
		bool* fn = new bool[maxn+1];//标记数 
		bool* fg = new bool[maxg+1];//标记组 
		int** count = new int*[maxg+1];//计数 
		for (int i = 0; i <= maxg; i++) {//初始化 
			count[i] = new int[maxn+1];
			fg[i] = false;
			for (int j = 0; j <= maxn; j++) {
				count[i][j] = 0;
			}
		}
		for (int i = 0; i <= maxn; i++)
			fn[i] = false;
		for (int i = 0; i < n; i++) {
			int num = anum[i];
			int group = agrp[i];
			fn[num] = true;
			fg[group] = true;
			count[group][num]++;
		}
	...