Submission #889357

#	Time	Username	Problem	Language	Result	Execution time	Memory
889357		Perl32	Just Long Neckties (JOI20_ho_t1)	C++14	100 / 100	86 ms	10836 KiB

ho_t1

//I wrote this code 4 u <3
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#ifdef LOCAL
#include "algo/debug.h"
#else
#define debug(...) 42
#endif

signed main(int32_t argc, char *argv[]) {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;
    vector<pair<int, int>> a(n + 1);
    for (int i = 0; i <= n; ++i) {
        cin >> a[i].first;
        a[i].second = i;
    }
    sort(a.begin(), a.end());
    vector<int> b(n);
    for (int i = 0; i < n; ++i) {
        cin >> b[i];
    }
    sort(b.begin(), b.end());
    vector<int> pref(n + 2, 0), suf(n + 2, 0);
    for (int i = 0; i < n; ++i) {
        pref[i + 1] = max(pref[i], a[i].first - b[i]);
    }
    for (int i = n - 1; i > -1; --i) {
        suf[i] = max(suf[i + 1], a[i + 1].first - b[i]);
    }
    vector<int> ans(n + 1);
    for (int i = 0; i <= n; ++i) {
        ans[a[i].second] = max(pref[i], suf[i]);
    }
    for (auto x : ans) {
        cout << x << ' ';
    }
}

/*

 */

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