Submission #933272

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
933272	2024-02-25T11:09:56 Z	amirhoseinfar1385	Fireworks (APIO16_fireworks)	C++17	100 / 100	235 ms	85088 KB

fireworks

#include<bits/stdc++.h>
using namespace std;
const long long maxn=300000+10;
vector<long long>adj[maxn];
pair<long long,long long>par[maxn];
long long n;
long long sum=0;

void vorod(){
	long long d;
	cin>>n>>d;
	n+=d;
	for(long long i=2;i<=n;i++){
		cin>>par[i].first>>par[i].second;
		adj[par[i].first].push_back(i);
		sum+=par[i].second;
	}
}
priority_queue<long long>pq[maxn];
priority_queue <long long,vector<long long>, greater<long long>>revpq[maxn];
long long val[maxn];
void add(long long u,long long x,long long z){
	long long ps=pq[u].top(),nx=revpq[u].top();
	if(z==0){
		if(x<=nx){
			pq[u].push(x);
		}
		else{
			pq[u].push(revpq[u].top());
			revpq[u].pop();
			revpq[u].push(x);
		}
	}
	else{
		if(x>=ps){
			revpq[u].push(x);
		}
		else{
			revpq[u].push(pq[u].top());
			pq[u].pop();
			pq[u].push(x);
		}
	}
}

void merge(long long u,long long v){
	long long fu=u;
	if(pq[u].size()+revpq[u].size()<pq[v].size()+revpq[u].size()){
		swap(u,v);
	}
	while(pq[v].size()>0){
		add(u,pq[v].top()+val[v]-val[u],0);
		pq[v].pop();
	}
	while(revpq[v].size()>0){
		add(u,revpq[v].top()+val[v]-val[u],1);
		revpq[v].pop();
	}
	if(u!=fu){
		swap(pq[u],pq[v]);
		swap(revpq[u],revpq[v]);
		swap(val[u],val[v]);
	}
}

void solve(long long u,long long len=0){
	if(u!=1){
		len+=par[u].second;
	}
	for(auto x:adj[u]){
		solve(x,len);
		merge(u,x);
	}
	if((long long)adj[u].size()==0){
		pq[u].push(len);
		revpq[u].push(len);
	}
	if(u!=1){
		val[u]-=par[u].second;
		long long hey=revpq[u].top();
		while(revpq[u].size()>0){
			revpq[u].pop();
		}
		revpq[u].push(hey+par[u].second);
		hey=pq[u].top();
		pq[u].pop();
		pq[u].push(hey+par[u].second);
	}
	return ;
}

void khor(){
	//cout<<"suma: "<<sum<<" "<<val[1]<<endl;
	vector<long long>all;
	while((long long)pq[1].size()>0){
		all.push_back(pq[1].top()+val[1]);
		//cout<<pq[1].top()+val[1]<<endl;
		pq[1].pop();
	}
	all.push_back(0);
	long long res=sum;
	long long sz=all.size();
	for(long long i=0;i<sz-1;i++){
		////cout<<"tof: "<<all[i]<<" "<<i<<" "<<(all[i]-all[i+1])*i<<endl;
		res-=(all[i]-all[i+1])*((i+1));
	}
	cout<<res<<endl;
}	

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	//cout.tie(0);
	vorod();
	solve(1);
	khor();
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	29016 KB	Output is correct
2	Correct	6 ms	29020 KB	Output is correct
3	Correct	7 ms	29020 KB	Output is correct
4	Correct	6 ms	29020 KB	Output is correct
5	Correct	7 ms	29016 KB	Output is correct
6	Correct	7 ms	29020 KB	Output is correct
7	Correct	6 ms	29020 KB	Output is correct
8	Correct	6 ms	29020 KB	Output is correct
9	Correct	6 ms	29020 KB	Output is correct
10	Correct	6 ms	29016 KB	Output is correct

Subtask #2
19.0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	29020 KB	Output is correct
2	Correct	7 ms	29020 KB	Output is correct
3	Correct	6 ms	29008 KB	Output is correct
4	Correct	6 ms	29020 KB	Output is correct
5	Correct	7 ms	29016 KB	Output is correct
6	Correct	6 ms	29020 KB	Output is correct
7	Correct	7 ms	29020 KB	Output is correct
8	Correct	7 ms	28948 KB	Output is correct
9	Correct	6 ms	29020 KB	Output is correct
10	Correct	7 ms	29020 KB	Output is correct
11	Correct	7 ms	29020 KB	Output is correct
12	Correct	6 ms	29020 KB	Output is correct
13	Correct	6 ms	29020 KB	Output is correct
14	Correct	6 ms	29020 KB	Output is correct
15	Correct	6 ms	29020 KB	Output is correct
16	Correct	7 ms	29020 KB	Output is correct
17	Correct	7 ms	29020 KB	Output is correct
18	Correct	6 ms	29020 KB	Output is correct
19	Correct	7 ms	29020 KB	Output is correct

Subtask #3
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	29016 KB	Output is correct
2	Correct	6 ms	29020 KB	Output is correct
3	Correct	7 ms	29020 KB	Output is correct
4	Correct	6 ms	29020 KB	Output is correct
5	Correct	7 ms	29016 KB	Output is correct
6	Correct	7 ms	29020 KB	Output is correct
7	Correct	6 ms	29020 KB	Output is correct
8	Correct	6 ms	29020 KB	Output is correct
9	Correct	6 ms	29020 KB	Output is correct
10	Correct	6 ms	29016 KB	Output is correct
11	Correct	6 ms	29020 KB	Output is correct
12	Correct	7 ms	29020 KB	Output is correct
13	Correct	6 ms	29008 KB	Output is correct
14	Correct	6 ms	29020 KB	Output is correct
15	Correct	7 ms	29016 KB	Output is correct
16	Correct	6 ms	29020 KB	Output is correct
17	Correct	7 ms	29020 KB	Output is correct
18	Correct	7 ms	28948 KB	Output is correct
19	Correct	6 ms	29020 KB	Output is correct
20	Correct	7 ms	29020 KB	Output is correct
21	Correct	7 ms	29020 KB	Output is correct
22	Correct	6 ms	29020 KB	Output is correct
23	Correct	6 ms	29020 KB	Output is correct
24	Correct	6 ms	29020 KB	Output is correct
25	Correct	6 ms	29020 KB	Output is correct
26	Correct	7 ms	29020 KB	Output is correct
27	Correct	7 ms	29020 KB	Output is correct
28	Correct	6 ms	29020 KB	Output is correct
29	Correct	7 ms	29020 KB	Output is correct
30	Correct	7 ms	29016 KB	Output is correct
31	Correct	7 ms	29164 KB	Output is correct
32	Correct	9 ms	29020 KB	Output is correct
33	Correct	7 ms	29020 KB	Output is correct
34	Correct	8 ms	29276 KB	Output is correct
35	Correct	8 ms	29276 KB	Output is correct
36	Correct	8 ms	29276 KB	Output is correct
37	Correct	9 ms	29532 KB	Output is correct
38	Correct	9 ms	29276 KB	Output is correct
39	Correct	9 ms	29260 KB	Output is correct
40	Correct	8 ms	29788 KB	Output is correct
41	Correct	8 ms	29784 KB	Output is correct
42	Correct	8 ms	29272 KB	Output is correct
43	Correct	8 ms	29588 KB	Output is correct
44	Correct	9 ms	29532 KB	Output is correct
45	Correct	9 ms	29532 KB	Output is correct
46	Correct	10 ms	29788 KB	Output is correct
47	Correct	10 ms	29764 KB	Output is correct
48	Correct	9 ms	29532 KB	Output is correct
49	Correct	12 ms	29788 KB	Output is correct
50	Correct	9 ms	29532 KB	Output is correct
51	Correct	8 ms	29528 KB	Output is correct
52	Correct	9 ms	29784 KB	Output is correct
53	Correct	9 ms	29532 KB	Output is correct
54	Correct	10 ms	29532 KB	Output is correct

Subtask #4
45.0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	29016 KB	Output is correct
2	Correct	6 ms	29020 KB	Output is correct
3	Correct	7 ms	29020 KB	Output is correct
4	Correct	6 ms	29020 KB	Output is correct
5	Correct	7 ms	29016 KB	Output is correct
6	Correct	7 ms	29020 KB	Output is correct
7	Correct	6 ms	29020 KB	Output is correct
8	Correct	6 ms	29020 KB	Output is correct
9	Correct	6 ms	29020 KB	Output is correct
10	Correct	6 ms	29016 KB	Output is correct
11	Correct	6 ms	29020 KB	Output is correct
12	Correct	7 ms	29020 KB	Output is correct
13	Correct	6 ms	29008 KB	Output is correct
14	Correct	6 ms	29020 KB	Output is correct
15	Correct	7 ms	29016 KB	Output is correct
16	Correct	6 ms	29020 KB	Output is correct
17	Correct	7 ms	29020 KB	Output is correct
18	Correct	7 ms	28948 KB	Output is correct
19	Correct	6 ms	29020 KB	Output is correct
20	Correct	7 ms	29020 KB	Output is correct
21	Correct	7 ms	29020 KB	Output is correct
22	Correct	6 ms	29020 KB	Output is correct
23	Correct	6 ms	29020 KB	Output is correct
24	Correct	6 ms	29020 KB	Output is correct
25	Correct	6 ms	29020 KB	Output is correct
26	Correct	7 ms	29020 KB	Output is correct
27	Correct	7 ms	29020 KB	Output is correct
28	Correct	6 ms	29020 KB	Output is correct
29	Correct	7 ms	29020 KB	Output is correct
30	Correct	7 ms	29016 KB	Output is correct
31	Correct	7 ms	29164 KB	Output is correct
32	Correct	9 ms	29020 KB	Output is correct
33	Correct	7 ms	29020 KB	Output is correct
34	Correct	8 ms	29276 KB	Output is correct
35	Correct	8 ms	29276 KB	Output is correct
36	Correct	8 ms	29276 KB	Output is correct
37	Correct	9 ms	29532 KB	Output is correct
38	Correct	9 ms	29276 KB	Output is correct
39	Correct	9 ms	29260 KB	Output is correct
40	Correct	8 ms	29788 KB	Output is correct
41	Correct	8 ms	29784 KB	Output is correct
42	Correct	8 ms	29272 KB	Output is correct
43	Correct	8 ms	29588 KB	Output is correct
44	Correct	9 ms	29532 KB	Output is correct
45	Correct	9 ms	29532 KB	Output is correct
46	Correct	10 ms	29788 KB	Output is correct
47	Correct	10 ms	29764 KB	Output is correct
48	Correct	9 ms	29532 KB	Output is correct
49	Correct	12 ms	29788 KB	Output is correct
50	Correct	9 ms	29532 KB	Output is correct
51	Correct	8 ms	29528 KB	Output is correct
52	Correct	9 ms	29784 KB	Output is correct
53	Correct	9 ms	29532 KB	Output is correct
54	Correct	10 ms	29532 KB	Output is correct
55	Correct	13 ms	30044 KB	Output is correct
56	Correct	31 ms	35280 KB	Output is correct
57	Correct	51 ms	37816 KB	Output is correct
58	Correct	68 ms	41876 KB	Output is correct
59	Correct	112 ms	44660 KB	Output is correct
60	Correct	121 ms	47100 KB	Output is correct
61	Correct	144 ms	49860 KB	Output is correct
62	Correct	186 ms	51508 KB	Output is correct
63	Correct	199 ms	54872 KB	Output is correct
64	Correct	235 ms	55732 KB	Output is correct
65	Correct	95 ms	85088 KB	Output is correct
66	Correct	95 ms	85052 KB	Output is correct
67	Correct	101 ms	47696 KB	Output is correct
68	Correct	147 ms	75056 KB	Output is correct
69	Correct	194 ms	72636 KB	Output is correct
70	Correct	174 ms	72436 KB	Output is correct
71	Correct	214 ms	77188 KB	Output is correct
72	Correct	202 ms	77124 KB	Output is correct
73	Correct	186 ms	76616 KB	Output is correct
74	Correct	187 ms	76876 KB	Output is correct
75	Correct	211 ms	74560 KB	Output is correct
76	Correct	195 ms	73140 KB	Output is correct
77	Correct	188 ms	72572 KB	Output is correct
78	Correct	206 ms	72704 KB	Output is correct
79	Correct	152 ms	71140 KB	Output is correct

Submission #933272

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 45.0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
45.0 / 45.0