写了15分钟全WA但是查了一两个小时都不知道哪里错了

#include <iostream>
#include <stack>
using namespace std;
int main()
{
    int n;
    cin >> n;
    int answer[n];
    for (int o = 0; o < n; ++o)
    {
        int m;
        cin >> m;
        stack<int> s;
        for (int i = 0; i < m; ++i)
        {
            int x;
            cin >> x;
            s.push(x);
        }
        for (int j = 0; j < m; ++j)
        {
            int y;
            cin >> y;
            if (y == s.top())
            {
                if (s.size() > 1)
                    s.pop();
                else
                {
                    answer[o] = 1;
                    break;
                }
            }
            else
            {
                answer[o] = 0;
                break;
            }
        }
    }
    for (int p = 0; p < n; ++p)
    {
        cout << (answer[p] == 1 ? "Yes" : "No") << endl;
    }
}