Submission #994215

#	Time	Username	Problem	Language	Result	Execution time	Memory
994215		vjudge1	Jail (JOI22_jail)	C++17	5 / 100	31 ms	1372 KiB

jail

#include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

bool solve() {
    int n;
    cin >> n;

    for (int i = 0; i < n - 1; i++) {
        int u, v;
        cin >> u >> v;
        u--; v--;

        if (u != i || v != i + 1)
            return false;
    }

    int m;
    cin >> m;

    vector<pair<int, int>> v(m);

    for (int i = 0; i < m; i++) {
        cin >> v[i].first >> v[i].second;
    }
   
    sort(v.begin(), v.end());

    for (int i = 0; i < m - 1; i++) {
        if (v[i].second > v[i + 1].second)
            return false;
    }

    return true;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int t;
    cin >> t;

    while (t--)
        cout << (solve() ? "Yes\n" : "No\n");
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 16
• Subtask 4: 0 / 28
• Subtask 5: 0 / 12
• Subtask 6: 0 / 11
• Subtask 7: 0 / 23