Submission #390744

#	Time	Username	Problem	Language	Result	Execution time	Memory
390744		timmyfeng	Just Long Neckties (JOI20_ho_t1)	C++17	100 / 100	107 ms	7876 KiB

ho_t1

#include <bits/stdc++.h>
using namespace std;

const int N = 200001;

int a[N], b[N], order[N], prefix[N], suffix[N], ans[N];

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

    int n;
    cin >> n;

    for (int i = 0; i < n + 1; ++i) {
        cin >> a[i];
    }

    for (int i = 0; i < n; ++i) {
        cin >> b[i];
    }

    iota(order, order + n + 1, 0);
    sort(order, order + n + 1, [&](int i, int j) {
        return a[i] < a[j];
    });

    sort(b, b + n);

    for (int i = 0; i < n; ++i) {
        prefix[i + 1] = max(prefix[i], a[order[i]] - b[i]);
    }

    for (int i = n; i > 0; --i) {
        suffix[i - 1] = max(suffix[i], a[order[i]] - b[i - 1]);
    }

    for (int i = 0; i < n + 1; ++i) {
        ans[order[i]] = max(prefix[i], suffix[i]);
    }

    for (int i = 0; i < n + 1; ++i) {
        cout << ans[i] << " ";
    }
    cout << "\n";
}

• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91