답안 #980506

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
980506	2024-05-12T08:06:35 Z	happy_node	Worst Reporter 4 (JOI21_worst_reporter4)	C++17	79 / 100	284 ms	59572 KB

worst_reporter2

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

typedef long long ll;

const int MX=2e5+5;
int N;
int A[MX],H[MX],C[MX];

vector<int> adj[MX];

multiset<pair<ll,ll>> dp[MX];
int par[MX];

int find(int v) {
	return par[v]==v?v:par[v]=find(par[v]);
}

void merge(int u, int v) {
	u=find(u),v=find(v);
	if(u==v) return;

	if(dp[u].size()>dp[v].size()) swap(u,v);

	for(auto [pos,val]:dp[u]) {
		dp[v].insert({pos,val});
	}

	par[u]=v;
	dp[u].clear();
}

void dfs(int v, int p) {
	int prv=-1;
	for(auto u:adj[v]) {
		if(u==p) continue;
		dfs(u,v);
		if(prv!=-1) 
			merge(u,prv);
		prv=u;
	}

	if(prv!=-1) merge(v,prv);

	int pv=find(v);

	auto it=dp[pv].lower_bound(make_pair(H[v],0));

	if(it==dp[pv].begin()) {
		dp[pv].insert(make_pair(H[v],C[v]));
	} else {
		it--;
		ll cur=C[v];
		while(true) {
			if(cur>=it->second) {
 				cur-=it->second;
				it=dp[pv].erase(it);
				if(it==dp[pv].begin()) break;
				it--;
			} else {
				auto [p,q]=*it;
				dp[pv].erase(it);
				dp[pv].insert({p,q-cur});
				cur=0;
				break;
			}
		}
		dp[pv].insert(make_pair(H[v],C[v]));
	}
}

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

	// set<int> st;
	// st.insert(1);
	// st.insert(2);
	// st.insert(3);
	// auto it=st.lower_bound(2);
	// it=st.erase(it);

	// cout<<(*it)<<'\n';

	cin>>N;
	ll sum=0;
	for(int i=1;i<=N;i++) {
		cin>>A[i]>>H[i]>>C[i];
		sum+=C[i];
	}

	for(int i=2;i<=N;i++) {
		adj[A[i]].push_back(i);
	}

	for(int i=1;i<=N;i++) par[i]=i;
	dfs(1,0);

	ll ans=0;
	for(auto [pos,val]:dp[find(1)]) {
		ans+=val;
	}

	cout<<sum-ans<<'\n';
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16732 KB	Output is correct
2	Correct	4 ms	16732 KB	Output is correct
3	Correct	4 ms	16828 KB	Output is correct
4	Correct	4 ms	16732 KB	Output is correct
5	Correct	7 ms	17244 KB	Output is correct
6	Correct	7 ms	17144 KB	Output is correct
7	Correct	7 ms	17244 KB	Output is correct
8	Correct	9 ms	17244 KB	Output is correct
9	Correct	7 ms	17244 KB	Output is correct
10	Correct	7 ms	17404 KB	Output is correct
11	Correct	7 ms	17244 KB	Output is correct
12	Correct	6 ms	17756 KB	Output is correct
13	Correct	7 ms	17756 KB	Output is correct
14	Correct	6 ms	17500 KB	Output is correct
15	Correct	8 ms	17500 KB	Output is correct
16	Correct	7 ms	17360 KB	Output is correct
17	Correct	7 ms	17244 KB	Output is correct
18	Correct	8 ms	17500 KB	Output is correct
19	Correct	7 ms	17500 KB	Output is correct
20	Correct	6 ms	17500 KB	Output is correct
21	Correct	6 ms	17500 KB	Output is correct
22	Correct	6 ms	17244 KB	Output is correct
23	Correct	6 ms	17244 KB	Output is correct
24	Correct	7 ms	17500 KB	Output is correct
25	Correct	7 ms	17516 KB	Output is correct
26	Correct	5 ms	17756 KB	Output is correct
27	Correct	6 ms	17500 KB	Output is correct
28	Correct	7 ms	17500 KB	Output is correct
29	Correct	6 ms	17804 KB	Output is correct
30	Correct	6 ms	17756 KB	Output is correct
31	Correct	6 ms	17756 KB	Output is correct

Subtask #2
65.0 / 65.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16732 KB	Output is correct
2	Correct	4 ms	16732 KB	Output is correct
3	Correct	4 ms	16828 KB	Output is correct
4	Correct	4 ms	16732 KB	Output is correct
5	Correct	7 ms	17244 KB	Output is correct
6	Correct	7 ms	17144 KB	Output is correct
7	Correct	7 ms	17244 KB	Output is correct
8	Correct	9 ms	17244 KB	Output is correct
9	Correct	7 ms	17244 KB	Output is correct
10	Correct	7 ms	17404 KB	Output is correct
11	Correct	7 ms	17244 KB	Output is correct
12	Correct	6 ms	17756 KB	Output is correct
13	Correct	7 ms	17756 KB	Output is correct
14	Correct	6 ms	17500 KB	Output is correct
15	Correct	8 ms	17500 KB	Output is correct
16	Correct	7 ms	17360 KB	Output is correct
17	Correct	7 ms	17244 KB	Output is correct
18	Correct	8 ms	17500 KB	Output is correct
19	Correct	7 ms	17500 KB	Output is correct
20	Correct	6 ms	17500 KB	Output is correct
21	Correct	6 ms	17500 KB	Output is correct
22	Correct	6 ms	17244 KB	Output is correct
23	Correct	6 ms	17244 KB	Output is correct
24	Correct	7 ms	17500 KB	Output is correct
25	Correct	7 ms	17516 KB	Output is correct
26	Correct	5 ms	17756 KB	Output is correct
27	Correct	6 ms	17500 KB	Output is correct
28	Correct	7 ms	17500 KB	Output is correct
29	Correct	6 ms	17804 KB	Output is correct
30	Correct	6 ms	17756 KB	Output is correct
31	Correct	6 ms	17756 KB	Output is correct
32	Correct	8 ms	17244 KB	Output is correct
33	Correct	227 ms	38280 KB	Output is correct
34	Correct	217 ms	36948 KB	Output is correct
35	Correct	203 ms	36064 KB	Output is correct
36	Correct	225 ms	37620 KB	Output is correct
37	Correct	228 ms	39504 KB	Output is correct
38	Correct	284 ms	38320 KB	Output is correct
39	Correct	129 ms	54040 KB	Output is correct
40	Correct	134 ms	54100 KB	Output is correct
41	Correct	134 ms	57376 KB	Output is correct
42	Correct	123 ms	41552 KB	Output is correct
43	Correct	125 ms	41812 KB	Output is correct
44	Correct	216 ms	38036 KB	Output is correct
45	Correct	210 ms	37964 KB	Output is correct
46	Correct	254 ms	42460 KB	Output is correct
47	Correct	162 ms	45212 KB	Output is correct
48	Correct	187 ms	49032 KB	Output is correct
49	Correct	179 ms	49492 KB	Output is correct
50	Correct	150 ms	35020 KB	Output is correct
51	Correct	158 ms	35156 KB	Output is correct
52	Correct	193 ms	45768 KB	Output is correct
53	Correct	201 ms	49864 KB	Output is correct
54	Correct	76 ms	54096 KB	Output is correct
55	Correct	123 ms	46928 KB	Output is correct
56	Correct	117 ms	55120 KB	Output is correct
57	Correct	124 ms	59020 KB	Output is correct
58	Correct	186 ms	59428 KB	Output is correct
59	Correct	191 ms	59572 KB	Output is correct

Subtask #3
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16732 KB	Output is correct
2	Correct	4 ms	16732 KB	Output is correct
3	Correct	4 ms	16828 KB	Output is correct
4	Correct	4 ms	16732 KB	Output is correct
5	Correct	7 ms	17244 KB	Output is correct
6	Correct	7 ms	17144 KB	Output is correct
7	Correct	7 ms	17244 KB	Output is correct
8	Correct	9 ms	17244 KB	Output is correct
9	Correct	7 ms	17244 KB	Output is correct
10	Correct	7 ms	17404 KB	Output is correct
11	Correct	7 ms	17244 KB	Output is correct
12	Correct	6 ms	17756 KB	Output is correct
13	Correct	7 ms	17756 KB	Output is correct
14	Correct	6 ms	17500 KB	Output is correct
15	Correct	8 ms	17500 KB	Output is correct
16	Correct	7 ms	17360 KB	Output is correct
17	Correct	7 ms	17244 KB	Output is correct
18	Correct	8 ms	17500 KB	Output is correct
19	Correct	7 ms	17500 KB	Output is correct
20	Correct	6 ms	17500 KB	Output is correct
21	Correct	6 ms	17500 KB	Output is correct
22	Correct	6 ms	17244 KB	Output is correct
23	Correct	6 ms	17244 KB	Output is correct
24	Correct	7 ms	17500 KB	Output is correct
25	Correct	7 ms	17516 KB	Output is correct
26	Correct	5 ms	17756 KB	Output is correct
27	Correct	6 ms	17500 KB	Output is correct
28	Correct	7 ms	17500 KB	Output is correct
29	Correct	6 ms	17804 KB	Output is correct
30	Correct	6 ms	17756 KB	Output is correct
31	Correct	6 ms	17756 KB	Output is correct
32	Correct	8 ms	17244 KB	Output is correct
33	Correct	227 ms	38280 KB	Output is correct
34	Correct	217 ms	36948 KB	Output is correct
35	Correct	203 ms	36064 KB	Output is correct
36	Correct	225 ms	37620 KB	Output is correct
37	Correct	228 ms	39504 KB	Output is correct
38	Correct	284 ms	38320 KB	Output is correct
39	Correct	129 ms	54040 KB	Output is correct
40	Correct	134 ms	54100 KB	Output is correct
41	Correct	134 ms	57376 KB	Output is correct
42	Correct	123 ms	41552 KB	Output is correct
43	Correct	125 ms	41812 KB	Output is correct
44	Correct	216 ms	38036 KB	Output is correct
45	Correct	210 ms	37964 KB	Output is correct
46	Correct	254 ms	42460 KB	Output is correct
47	Correct	162 ms	45212 KB	Output is correct
48	Correct	187 ms	49032 KB	Output is correct
49	Correct	179 ms	49492 KB	Output is correct
50	Correct	150 ms	35020 KB	Output is correct
51	Correct	158 ms	35156 KB	Output is correct
52	Correct	193 ms	45768 KB	Output is correct
53	Correct	201 ms	49864 KB	Output is correct
54	Correct	76 ms	54096 KB	Output is correct
55	Correct	123 ms	46928 KB	Output is correct
56	Correct	117 ms	55120 KB	Output is correct
57	Correct	124 ms	59020 KB	Output is correct
58	Correct	186 ms	59428 KB	Output is correct
59	Correct	191 ms	59572 KB	Output is correct
60	Correct	3 ms	16728 KB	Output is correct
61	Incorrect	3 ms	16876 KB	Output isn't correct
62	Halted	0 ms	0 KB	-

답안 #980506

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 65.0 / 65.0

Subtask #3 0 / 21.0

Subtask #1
14.0 / 14.0

Subtask #2
65.0 / 65.0

Subtask #3
0 / 21.0