답안 #934264

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
934264	2024-02-27T04:33:31 Z	tamir1	Magic Tree (CEOI19_magictree)	C++14	100 / 100	116 ms	36688 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){
	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

#	결과	실행 시간	메모리	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	8624 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8796 KB	Output is correct
8	Correct	2 ms	8808 KB	Output is correct
9	Correct	2 ms	8796 KB	Output is correct

Subtask #2
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	19352 KB	Output is correct
2	Correct	30 ms	19032 KB	Output is correct
3	Correct	106 ms	36688 KB	Output is correct
4	Correct	57 ms	19816 KB	Output is correct
5	Correct	72 ms	21468 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	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	48 ms	23912 KB	Output is correct
5	Correct	58 ms	27732 KB	Output is correct
6	Correct	57 ms	23812 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	46 ms	15168 KB	Output is correct
2	Correct	38 ms	14436 KB	Output is correct
3	Correct	36 ms	17756 KB	Output is correct
4	Correct	32 ms	16076 KB	Output is correct
5	Correct	34 ms	23892 KB	Output is correct

Subtask #5
16.0 / 16.0

#	결과	실행 시간	메모리	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	8624 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8796 KB	Output is correct
8	Correct	2 ms	8808 KB	Output is correct
9	Correct	2 ms	8796 KB	Output is correct
10	Correct	65 ms	18116 KB	Output is correct
11	Correct	50 ms	17232 KB	Output is correct
12	Correct	36 ms	17748 KB	Output is correct
13	Correct	27 ms	16080 KB	Output is correct
14	Correct	33 ms	23880 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	9564 KB	Output is correct
2	Correct	19 ms	11708 KB	Output is correct
3	Correct	15 ms	11672 KB	Output is correct
4	Correct	21 ms	11864 KB	Output is correct
5	Correct	7 ms	10712 KB	Output is correct
6	Correct	19 ms	13740 KB	Output is correct
7	Correct	17 ms	16732 KB	Output is correct

Subtask #7
22.0 / 22.0

#	결과	실행 시간	메모리	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	8624 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8796 KB	Output is correct
8	Correct	2 ms	8808 KB	Output is correct
9	Correct	2 ms	8796 KB	Output is correct
10	Correct	2 ms	8796 KB	Output is correct
11	Correct	2 ms	8796 KB	Output is correct
12	Correct	2 ms	8796 KB	Output is correct
13	Correct	48 ms	23912 KB	Output is correct
14	Correct	58 ms	27732 KB	Output is correct
15	Correct	57 ms	23812 KB	Output is correct
16	Correct	65 ms	18116 KB	Output is correct
17	Correct	50 ms	17232 KB	Output is correct
18	Correct	36 ms	17748 KB	Output is correct
19	Correct	27 ms	16080 KB	Output is correct
20	Correct	33 ms	23880 KB	Output is correct
21	Correct	14 ms	11868 KB	Output is correct
22	Correct	49 ms	19540 KB	Output is correct
23	Correct	60 ms	22612 KB	Output is correct
24	Correct	89 ms	30464 KB	Output is correct
25	Correct	64 ms	19920 KB	Output is correct
26	Correct	66 ms	21072 KB	Output is correct
27	Correct	57 ms	19284 KB	Output is correct

Subtask #8
17.0 / 17.0

#	결과	실행 시간	메모리	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	8624 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	2 ms	8796 KB	Output is correct
8	Correct	2 ms	8808 KB	Output is correct
9	Correct	2 ms	8796 KB	Output is correct
10	Correct	42 ms	19352 KB	Output is correct
11	Correct	30 ms	19032 KB	Output is correct
12	Correct	106 ms	36688 KB	Output is correct
13	Correct	57 ms	19816 KB	Output is correct
14	Correct	72 ms	21468 KB	Output is correct
15	Correct	2 ms	8796 KB	Output is correct
16	Correct	2 ms	8796 KB	Output is correct
17	Correct	2 ms	8796 KB	Output is correct
18	Correct	48 ms	23912 KB	Output is correct
19	Correct	58 ms	27732 KB	Output is correct
20	Correct	57 ms	23812 KB	Output is correct
21	Correct	46 ms	15168 KB	Output is correct
22	Correct	38 ms	14436 KB	Output is correct
23	Correct	36 ms	17756 KB	Output is correct
24	Correct	32 ms	16076 KB	Output is correct
25	Correct	34 ms	23892 KB	Output is correct
26	Correct	65 ms	18116 KB	Output is correct
27	Correct	50 ms	17232 KB	Output is correct
28	Correct	36 ms	17748 KB	Output is correct
29	Correct	27 ms	16080 KB	Output is correct
30	Correct	33 ms	23880 KB	Output is correct
31	Correct	5 ms	9564 KB	Output is correct
32	Correct	19 ms	11708 KB	Output is correct
33	Correct	15 ms	11672 KB	Output is correct
34	Correct	21 ms	11864 KB	Output is correct
35	Correct	7 ms	10712 KB	Output is correct
36	Correct	19 ms	13740 KB	Output is correct
37	Correct	17 ms	16732 KB	Output is correct
38	Correct	14 ms	11868 KB	Output is correct
39	Correct	49 ms	19540 KB	Output is correct
40	Correct	60 ms	22612 KB	Output is correct
41	Correct	89 ms	30464 KB	Output is correct
42	Correct	64 ms	19920 KB	Output is correct
43	Correct	66 ms	21072 KB	Output is correct
44	Correct	57 ms	19284 KB	Output is correct
45	Correct	16 ms	12124 KB	Output is correct
46	Correct	54 ms	20184 KB	Output is correct
47	Correct	79 ms	23572 KB	Output is correct
48	Correct	116 ms	32796 KB	Output is correct
49	Correct	55 ms	19920 KB	Output is correct
50	Correct	78 ms	21236 KB	Output is correct
51	Correct	62 ms	19540 KB	Output is correct

답안 #934264

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