题解

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

int main()
{
    int n,m;
    cin >> n >> m;
    int arr1[n],arr2[m],arr3[n+m];
    for (int i=0;i<n;i++)
    {
        cin >> arr1[i];
        arr3[i]=arr1[i];
    }
    for (int i=0;i<m;i++)
    {
        cin >> arr2[i];
        arr3[i+n]=arr2[i];
    }
    sort (arr3,arr3+n+m);
    for (int i=0;i<n+m;i++)
        cout << arr3[i]<< ' ';
    return 0;
}