题解 | #整型数组合并#

//https://www.nowcoder.com/practice/c4f11ea2c886429faf91decfaf6a310b?tpId=37&rp=1&ru=%2Fexam%2Foj%2Fta&qru=%2Fexam%2Foj%2Fta&sourceUrl=%2Fexam%2Foj%2Fta%3FtpId%3D37&difficulty=&judgeStatus=&tags=&title=80&gioEnter=menu

#include <iostream>
#include <vector>
#include <set>

using namespace std;

int main() {
    int n = 0;
    while (cin >> n) {
        int m = 0;
        int tem = 0;
        set<int> ans;

        for(int i = 0;i<n;i++){
            cin >> tem;
            ans.insert(tem);
        }

        cin >> m;

        for(int i = 0;i<m;i++){
            cin >> tem;
            ans.insert(tem);
        }

        for(auto c:ans)
            cout << c;
         cout << endl;
    }
}