Submission #991926

#	Time	Username	Problem	Language	Result	Execution time	Memory
991926		toast12	Gym Badges (NOI22_gymbadges)	C++14	100 / 100	337 ms	22212 KiB

Main

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

#define ll long long

bool compare(pair<ll, ll> a, pair<ll, ll> b) {
    return a.first+a.second < b.first+b.second;
}

int main() {
    int n;
    cin >> n;
    vector<pair<ll, ll>> gyms(n);
    for (int i = 0; i < n; i++) {
        cin >> gyms[i].first;
    }
    for (int i = 0; i < n; i++) {
        cin >> gyms[i].second;
    }
    sort(gyms.begin(), gyms.end(), compare);
    ll level = 0;
    ll ans = 0;
    priority_queue<ll> pq;
    for (int i = 0; i < n; i++) {
        if (level <= gyms[i].second) {
            //cout << i << ' ' << level << ' ' << gyms[i].first << '\n';
            level += gyms[i].first;
            pq.push(gyms[i].first);
            ans++;
        }
        else {
            ll x = pq.top();
            pq.pop();
            if (level-x <= gyms[i].second && gyms[i].first < x) {
                pq.push(gyms[i].first);
                level -= x;
                level += gyms[i].first;
            }
            else {
                pq.push(x);
            }
        }
    }
    cout << ans << '\n';
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 9 / 9
• Subtask 3: 27 / 27
• Subtask 4: 49 / 49