洛谷刷题笔记 集合运算1

#include 
using namespace std;
int an,bn,A[64],B[64];
int main()
{
	cin >> an;
	for(int i = 1;i <= an;i++)
    {
		int t;
		cin >> t;
		A[t] = 1;
	}
	cin >> bn;
	for(int i = 1;i <= bn;i++)
    {
		int t;
		cin >> t;
		B[t] = 1;
	}
	cout << an << endl;
	for(int i = 0;i <= 63;i++)
		if(A[i] && B[i])
			cout << i << ' ';
	cout << endl;
	for(int i = 0;i <= 63;i++)
		if(A[i] || B[i])
			cout << i << ' ';
	cout << endl;
	return 0;
}