Submission #934261

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
934261	2024-02-27T04:28:28 Z	tamir1	Magic Tree (CEOI19_magictree)	C++14	100 / 100	112 ms	38988 KB

magictree

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll n,m,k,i,day[100005],x[100005],node,d,w,p[100005],ans;
vector<ll> v[100005];
map<ll,ll> mp[100005];
map<ll,ll> ::iterator it;
void dfs(ll a){
	map<ll,ll> ::iterator it;
	for(ll i:v[a]){
		dfs(i);
		if(mp[a].size()<mp[i].size()) swap(mp[a],mp[i]);
		for(it=mp[i].begin();it!=mp[i].end();it++){
			mp[a][it->first]+=it->second;
		}
	}
	if(day[a]>0){
		mp[a][day[a]]+=x[a];
		while(true){
			it=mp[a].upper_bound(day[a]);
			if(it==mp[a].end()) break;
			if(it->second<=x[a]){
				x[a]-=it->second;
				mp[a].erase(it);
				continue;
			}
			it->second-=x[a];
			break;
		}
	}
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> m >> k;
	for(i=2;i<=n;i++){
		cin >> p[i];
		v[p[i]].push_back(i);
	}
	for(i=1;i<=m;i++){
		cin >> node >> d >> w;
		day[node]=d;
		x[node]=w;
	}
	dfs(1);
	for(it=mp[1].begin();it!=mp[1].end();it++) ans+=it->second;
	cout << ans;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8792 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8792 KB	Output is correct
8	Correct	3 ms	8792 KB	Output is correct
9	Correct	2 ms	8792 KB	Output is correct

Subtask #2
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	47 ms	20440 KB	Output is correct
2	Correct	31 ms	20564 KB	Output is correct
3	Correct	109 ms	38988 KB	Output is correct
4	Correct	61 ms	21996 KB	Output is correct
5	Correct	95 ms	23892 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	3 ms	8856 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	39 ms	27276 KB	Output is correct
5	Correct	54 ms	31052 KB	Output is correct
6	Correct	57 ms	27856 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	42 ms	17352 KB	Output is correct
2	Correct	41 ms	16464 KB	Output is correct
3	Correct	37 ms	20560 KB	Output is correct
4	Correct	29 ms	17628 KB	Output is correct
5	Correct	37 ms	27308 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8792 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8792 KB	Output is correct
8	Correct	3 ms	8792 KB	Output is correct
9	Correct	2 ms	8792 KB	Output is correct
10	Correct	49 ms	19544 KB	Output is correct
11	Correct	44 ms	18464 KB	Output is correct
12	Correct	41 ms	19796 KB	Output is correct
13	Correct	29 ms	17368 KB	Output is correct
14	Correct	35 ms	26964 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	9560 KB	Output is correct
2	Correct	20 ms	12288 KB	Output is correct
3	Correct	16 ms	12632 KB	Output is correct
4	Correct	21 ms	12120 KB	Output is correct
5	Correct	7 ms	10712 KB	Output is correct
6	Correct	16 ms	13916 KB	Output is correct
7	Correct	18 ms	17372 KB	Output is correct

Subtask #7
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8792 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8792 KB	Output is correct
8	Correct	3 ms	8792 KB	Output is correct
9	Correct	2 ms	8792 KB	Output is correct
10	Correct	2 ms	8796 KB	Output is correct
11	Correct	3 ms	8856 KB	Output is correct
12	Correct	2 ms	8796 KB	Output is correct
13	Correct	39 ms	27276 KB	Output is correct
14	Correct	54 ms	31052 KB	Output is correct
15	Correct	57 ms	27856 KB	Output is correct
16	Correct	49 ms	19544 KB	Output is correct
17	Correct	44 ms	18464 KB	Output is correct
18	Correct	41 ms	19796 KB	Output is correct
19	Correct	29 ms	17368 KB	Output is correct
20	Correct	35 ms	26964 KB	Output is correct
21	Correct	14 ms	12120 KB	Output is correct
22	Correct	53 ms	20564 KB	Output is correct
23	Correct	58 ms	23716 KB	Output is correct
24	Correct	93 ms	32096 KB	Output is correct
25	Correct	50 ms	21124 KB	Output is correct
26	Correct	69 ms	23064 KB	Output is correct
27	Correct	60 ms	21864 KB	Output is correct

Subtask #8
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8792 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8792 KB	Output is correct
8	Correct	3 ms	8792 KB	Output is correct
9	Correct	2 ms	8792 KB	Output is correct
10	Correct	47 ms	20440 KB	Output is correct
11	Correct	31 ms	20564 KB	Output is correct
12	Correct	109 ms	38988 KB	Output is correct
13	Correct	61 ms	21996 KB	Output is correct
14	Correct	95 ms	23892 KB	Output is correct
15	Correct	2 ms	8796 KB	Output is correct
16	Correct	3 ms	8856 KB	Output is correct
17	Correct	2 ms	8796 KB	Output is correct
18	Correct	39 ms	27276 KB	Output is correct
19	Correct	54 ms	31052 KB	Output is correct
20	Correct	57 ms	27856 KB	Output is correct
21	Correct	42 ms	17352 KB	Output is correct
22	Correct	41 ms	16464 KB	Output is correct
23	Correct	37 ms	20560 KB	Output is correct
24	Correct	29 ms	17628 KB	Output is correct
25	Correct	37 ms	27308 KB	Output is correct
26	Correct	49 ms	19544 KB	Output is correct
27	Correct	44 ms	18464 KB	Output is correct
28	Correct	41 ms	19796 KB	Output is correct
29	Correct	29 ms	17368 KB	Output is correct
30	Correct	35 ms	26964 KB	Output is correct
31	Correct	5 ms	9560 KB	Output is correct
32	Correct	20 ms	12288 KB	Output is correct
33	Correct	16 ms	12632 KB	Output is correct
34	Correct	21 ms	12120 KB	Output is correct
35	Correct	7 ms	10712 KB	Output is correct
36	Correct	16 ms	13916 KB	Output is correct
37	Correct	18 ms	17372 KB	Output is correct
38	Correct	14 ms	12120 KB	Output is correct
39	Correct	53 ms	20564 KB	Output is correct
40	Correct	58 ms	23716 KB	Output is correct
41	Correct	93 ms	32096 KB	Output is correct
42	Correct	50 ms	21124 KB	Output is correct
43	Correct	69 ms	23064 KB	Output is correct
44	Correct	60 ms	21864 KB	Output is correct
45	Correct	16 ms	12632 KB	Output is correct
46	Correct	53 ms	21584 KB	Output is correct
47	Correct	79 ms	25236 KB	Output is correct
48	Correct	112 ms	35136 KB	Output is correct
49	Correct	57 ms	22060 KB	Output is correct
50	Correct	74 ms	23892 KB	Output is correct
51	Correct	64 ms	22608 KB	Output is correct

Submission #934261

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