Submission #1357452

#TimeUsernameProblemLanguageResultExecution timeMemory
1357452gayGift Exchange (JOI24_ho_t4)C++20
50 / 100
2590 ms5624 KiB
#include <bits/stdc++.h>
#include <experimental/random>
#include <random>

//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;

using namespace std;

using ld = long double;
using ll = long long;

const ll INF = 3e18, MOD = 1e9 + 7;

void solve();

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0);
    int q = 1;
    //cin >> q;
    while (q--) {
        solve();
    }
}

void solve() {
    ll n; cin >> n;
    vector<pair<ll, ll>> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i].second;
    }
    for (int i = 0; i < n; i++) {
        cin >> a[i].first;
    }
    ll q; cin >> q;
    while (q--) {
        ll l, r; cin >> l >> r;
        l--, r--;
        vector<pair<ll, ll>> b;
        for (ll i = l; i <= r; i++) {
            b.push_back(a[i]);
        }
        sort(b.rbegin(), b.rend());
        ll mx = -INF; bool flag = true;
        for (int i = (int)b.size() - 1; i >= 0; i--) {
            if (mx >= b[i].first || (i != 0 && b[i - 1].first <= b[i].second)) {
                mx = max(mx, b[i].second);
            } else {
                flag = false;
                break;
            }
        }
        if (flag) {
            cout << "Yes\n";
        } else {
            cout << "No\n";
        }
    }
}
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