답안 #442714

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
442714 2021-07-08T17:55:25 Z FlowerOfSorrow Fireworks (APIO16_fireworks) C++17
55 / 100
2000 ms 83660 KB
#include <bits/stdc++.h>
using namespace std;

template<class F>
struct y_combinator_result{
	F f;
	template<class T> explicit y_combinator_result(T &&f): f(forward<T>(f)){ }
	template<class ...Args> decltype(auto) operator()(Args &&...args){ return f(ref(*this), forward<Args>(args)...); }
};
template<class F>
decltype(auto) y_combinator(F &&f){
	return y_combinator_result<decay_t<F>>(forward<F>(f));
}

int main(){
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(ios::badbit | ios::failbit);
	int n, m;
	cin >> n >> m;
	vector<vector<int>> adj(n + m);
	vector<int> par_w(n + m);
	for(auto u = 1; u < n + m; ++ u){
		int p;
		cin >> p >> par_w[u], -- p;
		adj[p].push_back(u);
	}
	auto res = y_combinator([&](auto self, int u)->pair<pair<int, long long>, priority_queue<long long>>{
		pair<int, long long> line{};
		priority_queue<long long> pq;
		if(u >= n){
			line = {1, -par_w[u]};
			pq = priority_queue<long long>{{}, vector<long long>(2, par_w[u])};
		}
		else{
			for(auto v: adj[u]){
				auto res_v = self(v);
				auto &[line_v, pq_v] = res_v;
				line.first += line_v.first, line.second += line_v.second;
				if((int)pq.size() < (int)pq_v.size()){
					swap(pq, pq_v);
				}
				while(!pq_v.empty()){
					pq.push(pq_v.top());
					pq_v.pop();
				}
			}
			while(line.first > 1){
				-- line.first;
				line.second += pq.top();
				pq.pop();
			}
			array<long long, 2> store{};
			for(auto rep = 0; rep < 2; ++ rep){
				store[rep] = pq.top() + par_w[u];
				pq.pop();
			}
			for(auto x: store){
				pq.push(x);
			}
			line.second -= par_w[u];
		}
		return {line, pq};
	})(0);
	cout << 1LL * res.first.first * res.second.top() + res.first.second << "\n";
	return 0;
}

/*

*/

////////////////////////////////////////////////////////////////////////////////////////
//                                                                                    //
//                                   Coded by Aeren                                   //
//                                                                                    //
////////////////////////////////////////////////////////////////////////////////////////
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 460 KB Output is correct
34 Correct 2 ms 460 KB Output is correct
35 Correct 3 ms 588 KB Output is correct
36 Correct 3 ms 588 KB Output is correct
37 Correct 3 ms 588 KB Output is correct
38 Correct 3 ms 588 KB Output is correct
39 Correct 3 ms 588 KB Output is correct
40 Correct 3 ms 1612 KB Output is correct
41 Correct 3 ms 1612 KB Output is correct
42 Correct 2 ms 588 KB Output is correct
43 Correct 6 ms 1228 KB Output is correct
44 Correct 5 ms 992 KB Output is correct
45 Correct 5 ms 972 KB Output is correct
46 Correct 3 ms 588 KB Output is correct
47 Correct 3 ms 588 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 3 ms 588 KB Output is correct
50 Correct 2 ms 460 KB Output is correct
51 Correct 2 ms 460 KB Output is correct
52 Correct 3 ms 588 KB Output is correct
53 Correct 3 ms 584 KB Output is correct
54 Correct 4 ms 588 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 460 KB Output is correct
34 Correct 2 ms 460 KB Output is correct
35 Correct 3 ms 588 KB Output is correct
36 Correct 3 ms 588 KB Output is correct
37 Correct 3 ms 588 KB Output is correct
38 Correct 3 ms 588 KB Output is correct
39 Correct 3 ms 588 KB Output is correct
40 Correct 3 ms 1612 KB Output is correct
41 Correct 3 ms 1612 KB Output is correct
42 Correct 2 ms 588 KB Output is correct
43 Correct 6 ms 1228 KB Output is correct
44 Correct 5 ms 992 KB Output is correct
45 Correct 5 ms 972 KB Output is correct
46 Correct 3 ms 588 KB Output is correct
47 Correct 3 ms 588 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 3 ms 588 KB Output is correct
50 Correct 2 ms 460 KB Output is correct
51 Correct 2 ms 460 KB Output is correct
52 Correct 3 ms 588 KB Output is correct
53 Correct 3 ms 584 KB Output is correct
54 Correct 4 ms 588 KB Output is correct
55 Correct 8 ms 1180 KB Output is correct
56 Correct 35 ms 3452 KB Output is correct
57 Correct 66 ms 5712 KB Output is correct
58 Correct 85 ms 7300 KB Output is correct
59 Correct 128 ms 9548 KB Output is correct
60 Correct 157 ms 11616 KB Output is correct
61 Correct 202 ms 13044 KB Output is correct
62 Correct 217 ms 14672 KB Output is correct
63 Correct 232 ms 16264 KB Output is correct
64 Correct 313 ms 18040 KB Output is correct
65 Correct 155 ms 83552 KB Output is correct
66 Correct 149 ms 83660 KB Output is correct
67 Correct 130 ms 18020 KB Output is correct
68 Execution timed out 2096 ms 48096 KB Time limit exceeded
69 Halted 0 ms 0 KB -