#include <iostream>
using namespace std;
 
const int MAX_SIZE = 10000;
 
int main() {
    int n, v[MAX_SIZE + 1], m, k, x;
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> v[i];
    }
    cin >> m;
    for (int j = 1; j <= m; ++j) {
        cin >> k;
        if (k == 1) {
        	if(n < MAX_SIZE){
            	cin >> x;
            	++n;
            	v[n] = x;
        	}
        }
        if (k == 2) {
            --n;
        }
    }
    cout << n << "\n ";
    for (int i = 1; i <= n; ++i) {
        cout << v[i] << " ";
    }
    return 0;
}

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

3
1 2 3
2
2
2

1
10000
9
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9-10
 10000 1 2 3 4 5 6 7 8 9 

9
0 1 2 3 4 5 6 7 8
1
1 2222 - 10
 0 1 2 3 4 5 6 7 8 2222 


10
0 1 2 3 4 5 6 7 8 55
10
2 2 2 2 2 2 2 2 2 2 - 0

9
0 1 2 3 4 5 6 7 8 
1
1 55 - 10
0 1 2 3 4 5 6 7 8 55

10
1 2 3 4 5 6 7 8 9 0 
2
2
2 - 8
1 2 3 4 5 6 7 8 

10
1 2 3 4 5 1 2 3 4 5 
10
2
2
2
2
2
2
2
2
2
2 -0




5
1 2 3 4 5
5
2
2
2
2
2 - 0



1
1
7
2
1 2
1 2
1 9
2
2
2 - 0


1 2 3 
4
2
2
2
1 9
-1
9


3
1 2 3
3
1 9
1 6
1 0
-6
1 2 3 9 6 0

3
1 2 3
4 
2
2
1 9
2
-1
1

3
1 2 3 
3
2
2
1 9
-2
1 9

3
1 2 3
4
2
2
2
1 0
-1
0


3
1 2 3
5
2
2
2
1 9
2
-0

3
1 2 3 
3
2
2
2
-0

7
5 -4 0 -7 7 7 2
5
2
1 100
2
1 0
1 3
-8
5 -4 0 -7 7 7 0 3

3
1 2 3 
6
1 9
1 9
1 9
1 9
1 9
1 9
-9
1 2 3 9 9 9 9 9 9

https://l...content-available-to-author-only...e.ro/submission/1592550