Submission #1147408

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147408		Pacybwoah	Gym Badges (NOI22_gymbadges)	C++20	100 / 100	144 ms	12484 KiB

Main

#include<iostream>
#include<vector>
#include<queue>
#include<algorithm>
using namespace std;
typedef long long ll;
ll inf = 1e18;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<pair<ll, ll>> vec(n);
    for(int i = 0; i < n; i++) cin >> vec[i].second;
    for(int i = 0; i < n; i++) cin >> vec[i].first;
    for(int i = 0; i < n; i++) vec[i].first += vec[i].second;
    sort(vec.begin(), vec.end());
    int ans = 0;
    ll now = 0;
    priority_queue<ll> pq;
    for(auto &[l, x]: vec){
        if(now + x <= l){
            ans++;
            now += x;
            pq.push(x);
        }
        else{
            if(!pq.empty() && pq.top() > x){
                now -= pq.top();
                pq.pop();
                now += x;
                pq.push(x);
            }
        }
        //cout << l << " " << x << "\n";
    }
    cout << ans << "\n";
}
// g++ -std=c++20 -Wall -Wextra -Wshadow -fsanitize=undefined -fsanitize=address -o run pB.cpp

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