Submission #1213993

#	Time	Username	Problem	Language	Result	Execution time	Memory
1213993		stefanneagu	Portal (BOI24_portal)	C++20	1 / 100	25 ms	1864 KiB

Main

#include <bits/stdc++.h>
#define int long long

using namespace std;

const int inf = 1e18, nmax = 1e5;

pair<int, int> v[nmax];

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n;
    cin >> n;
    if (n <= 2) {
        cout << -1;
        return 0;
    }
    for (int i = 1; i <= n; i++) {
        cin >> v[i].first >> v[i].second;
    }
    sort(v + 1, v + n + 1);
    int maxx = 1;
    for (int i = 2; i <= n; i++) {
        if (v[i].first != v[i - 1].first)
            maxx = max(maxx, abs((v[i].first - v[i - 1].first) - 1) * abs(v[i].second - v[i - 1].second));
        if (v[i].second != v[i - 1].second)
            maxx = max(maxx, abs(v[i].first - v[i - 1].first) * (abs(v[i].second - v[i - 1].second) - 1));
    }
    for (int i = 1; i <= n; i++) {
        swap(v[i].first, v[i].second);
    }
    sort(v + 1, v + n + 1);
    for (int i = 2; i <= n; i++) {
        if (v[i].first != v[i - 1].first)
            maxx = max(maxx, abs((v[i].first - v[i - 1].first) - 1) * abs(v[i].second - v[i - 1].second));
        if (v[i].second != v[i - 1].second)
            maxx = max(maxx, abs(v[i].first - v[i - 1].first) * (abs(v[i].second - v[i - 1].second) - 1));
    }
    cout << maxx;
    return 0;
}

• Subtask 1: 1 / 1
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 29
• Subtask 5: 0 / 15
• Subtask 6: 0 / 35