oj.uz

답안 #387054

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
387054 2021-04-07T21:40:18 Z ogibogi2004 Worst Reporter 4 (JOI21_worst_reporter4) C++14
14 / 100
 2000 ms 60112 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int MAXN=2e5+6;
int n;
vector<int>g[MAXN];
ll c[MAXN];
int a[MAXN],h[MAXN],subtree[MAXN];
void dfs1(int u,int p)
{
	subtree[u]=1;
	for(auto xd:g[u])
	{
		if(xd==p)continue;
		dfs1(xd,u);
		subtree[u]+=subtree[xd];
	}
}
void dfs(int u,int p,map<int,ll> &mp)
{
	int bc=-1,maxst=-1;
	for(auto xd:g[u])
	{
		if(xd==p)continue;
		if(subtree[xd]>maxst)
		{
			maxst=subtree[xd];
			bc=xd;
		}
	}
	if(bc==-1)
	{
		mp[h[u]+1]=c[u];
		return;
	}
	dfs(bc,u,mp);
	for(auto xd:g[u])
	{
		if(xd==p||xd==bc)continue;
		map<int,ll> tmp;
		dfs(xd,u,tmp);
		for(auto it:tmp)
		{
			if(it.second!=0)mp[it.first]+=it.second;
		}
	}
	mp[h[u]+1]+=c[u];
	mp[0]+=c[u];
	mp[h[u]]-=c[u];
	auto it=mp.lower_bound(h[u]);
	while(mp[h[u]]<0)
	{
		it--;
		int t=(*it).first;
		if(mp[t]+mp[h[u]]>=0)
		{
			mp[t]+=mp[h[u]];
			mp[h[u]]=0;
		}
		else
		{
			mp[h[u]]+=mp[t];
			mp[t]=0;
		}
	}
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	cin>>n;
	for(int i=1;i<=n;++i)
	{
		cin>>a[i]>>h[i]>>c[i];
		if(i!=1)g[a[i]].push_back(i);
	}
	dfs1(1,0);
	map<int,ll>mp;
	dfs(1,0,mp);
	cout<<mp[0]<<endl;
return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 5100 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 4 ms 5100 KB Output is correct
4 Correct 4 ms 5100 KB Output is correct
5 Correct 10 ms 5484 KB Output is correct
6 Correct 9 ms 5228 KB Output is correct
7 Correct 8 ms 5228 KB Output is correct
8 Correct 10 ms 5484 KB Output is correct
9 Correct 10 ms 5356 KB Output is correct
10 Correct 8 ms 5228 KB Output is correct
11 Correct 7 ms 5228 KB Output is correct
12 Correct 130 ms 6960 KB Output is correct
13 Correct 8 ms 6380 KB Output is correct
14 Correct 94 ms 6380 KB Output is correct
15 Correct 15 ms 5868 KB Output is correct
16 Correct 11 ms 5612 KB Output is correct
17 Correct 9 ms 5228 KB Output is correct
18 Correct 6 ms 5228 KB Output is correct
19 Correct 14 ms 6252 KB Output is correct
20 Correct 9 ms 5740 KB Output is correct
21 Correct 7 ms 5740 KB Output is correct
22 Correct 7 ms 5484 KB Output is correct
23 Correct 6 ms 5228 KB Output is correct
24 Correct 13 ms 6252 KB Output is correct
25 Correct 8 ms 5740 KB Output is correct
26 Correct 11 ms 6892 KB Output is correct
27 Correct 161 ms 6160 KB Output is correct
28 Correct 303 ms 6380 KB Output is correct
29 Correct 273 ms 6636 KB Output is correct
30 Correct 13 ms 6636 KB Output is correct
31 Correct 13 ms 6572 KB Output is correct

Subtask #2
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 5484 KB Output is correct
2 Correct 399 ms 24556 KB Output is correct
3 Correct 290 ms 12652 KB Output is correct
4 Correct 402 ms 22676 KB Output is correct
5 Correct 314 ms 12556 KB Output is correct
6 Correct 225 ms 12268 KB Output is correct
7 Correct 186 ms 12396 KB Output is correct
8 Execution timed out 2077 ms 60112 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 5100 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 4 ms 5100 KB Output is correct
4 Correct 4 ms 5100 KB Output is correct
5 Correct 10 ms 5484 KB Output is correct
6 Correct 9 ms 5228 KB Output is correct
7 Correct 8 ms 5228 KB Output is correct
8 Correct 10 ms 5484 KB Output is correct
9 Correct 10 ms 5356 KB Output is correct
10 Correct 8 ms 5228 KB Output is correct
11 Correct 7 ms 5228 KB Output is correct
12 Correct 130 ms 6960 KB Output is correct
13 Correct 8 ms 6380 KB Output is correct
14 Correct 94 ms 6380 KB Output is correct
15 Correct 15 ms 5868 KB Output is correct
16 Correct 11 ms 5612 KB Output is correct
17 Correct 9 ms 5228 KB Output is correct
18 Correct 6 ms 5228 KB Output is correct
19 Correct 14 ms 6252 KB Output is correct
20 Correct 9 ms 5740 KB Output is correct
21 Correct 7 ms 5740 KB Output is correct
22 Correct 7 ms 5484 KB Output is correct
23 Correct 6 ms 5228 KB Output is correct
24 Correct 13 ms 6252 KB Output is correct
25 Correct 8 ms 5740 KB Output is correct
26 Correct 11 ms 6892 KB Output is correct
27 Correct 161 ms 6160 KB Output is correct
28 Correct 303 ms 6380 KB Output is correct
29 Correct 273 ms 6636 KB Output is correct
30 Correct 13 ms 6636 KB Output is correct
31 Correct 13 ms 6572 KB Output is correct
32 Correct 13 ms 5484 KB Output is correct
33 Correct 399 ms 24556 KB Output is correct
34 Correct 290 ms 12652 KB Output is correct
35 Correct 402 ms 22676 KB Output is correct
36 Correct 314 ms 12556 KB Output is correct
37 Correct 225 ms 12268 KB Output is correct
38 Correct 186 ms 12396 KB Output is correct
39 Execution timed out 2077 ms 60112 KB Time limit exceeded
40 Halted 0 ms 0 KB -