Submission #942338

#	Time	Username	Problem	Language	Result	Execution time	Memory
942338		vjudge1	Gym Badges (NOI22_gymbadges)	C++17	100 / 100	354 ms	36856 KiB

Main

#include <bits/stdc++.h>

using namespace std;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int N; cin >> N;
	vector<tuple<int, int, int>> v(N, {0,0,0});
	for(int i = 0; i < N; i++){
		int X; cin >> X;
		get<0>(v[i]) += X;
		get<1>(v[i]) = X;
	}
	for(int i = 0; i < N; i++){
		int L; cin >> L;
		get<0>(v[i]) += L;
		get<2>(v[i]) = L;
	}
	sort(v.begin(), v.end());
	multiset<int> hv;
	int ans = 0;
	int lvl = 0;
	for(int i = 0; i < N; i++){
		// cout << get<0>(v[i]) << " " << get<1>(v[i]) << " " << get<2>(v[i]) << "\n";
		if(lvl <= get<2>(v[i])){
			ans++;
			lvl += get<1>(v[i]);
			hv.insert(get<1>(v[i]));
		}else{
			int mx = *hv.rbegin();
			if(mx <= get<1>(v[i])) continue;
			hv.erase(hv.find(mx));
			lvl -= mx; ans--;
			if(lvl <= get<2>(v[i])){
				ans++;
				lvl += get<1>(v[i]);
				hv.insert(get<1>(v[i]));
			}
		}
	}
	cout << ans << "\n";
}

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