Submission #587307

#	Time	Username	Problem	Language	Result	Execution time	Memory
587307		stevancv	Just Long Neckties (JOI20_ho_t1)	C++14	100 / 100	116 ms	10752 KiB

ho_t1

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    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), suff(n + 1);
    for (int i = 0; i < n; i++) {
        pref[i] = max(0, a[i].first - b[i]);
        if (i > 0) smax(pref[i], pref[i - 1]);
    }
    for (int i = n; i >= 1; i--) {
        suff[i] = max(0, a[i].first - b[i - 1]);
        if (i < n) smax(suff[i], suff[i + 1]);
    }
    vector<int> ans(n + 1);
    for (int i = 0; i <= n; i++) {
        if (i > 0) ans[a[i].second] = pref[i - 1];
        if (i < n) smax(ans[a[i].second], suff[i + 1]);
    }
    for (int i = 0; i <= n; i++) {
        cout << ans[i] << sp;
    }
    cout << en;
    return 0;
}

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