답안 #579390

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
579390	2022-06-19T04:22:41 Z	amunduzbaev	Magic Tree (CEOI19_magictree)	C++17	100 / 100	139 ms	35068 KB

magictree

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t ll;
#define int ll
 
const int N = 1e5 + 5;
vector<int> edges[N];
int is[N], d[N], w[N], mx[N];
map<int, int> sub[N];
 
void dfs(int u){
	mx[u] = u;
	for(auto x : edges[u]){
		dfs(x);
		if(sub[x].size() > sub[mx[u]].size()) mx[u] = x;
	}
	
	swap(sub[u], sub[mx[u]]);
	for(auto x : edges[u]){
		if(x == mx[u]) continue;
		for(auto v : sub[x]){
			sub[u][v.first] += v.second;
		}
		
		sub[x].clear();
	}
	
	if(is[u]){
		sub[u][d[u]] += w[u];
		auto it = sub[u].upper_bound(d[u]);
		vector<int> er;
		int sum = 0;
		while(it != sub[u].end()){
			sum += (*it).second;
			if(sum >= w[u]){
				sub[u][(*it).first] = sum - w[u];
				break;
			}
			er.push_back((*it).first);
			it++;
		}
		
		for(auto x : er){
			sub[u].erase(x);
		}
	}
}
 
signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m, k; cin>>n>>m>>k;
	for(int i=2;i<=n;i++){
		int x; cin>>x;
		edges[x].push_back(i);
	}
	
	for(int i=0;i<m;i++){
		int v; cin>>v;
		cin>>d[v]>>w[v];
		is[v] = 1;
	}
	
	dfs(1);
	int sum = 0;
	for(auto x : sub[1]) sum += x.second;
	cout<<sum<<"\n";
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	3 ms	7380 KB	Output is correct
5	Correct	3 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	4 ms	7384 KB	Output is correct
8	Correct	3 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct

Subtask #2
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	14164 KB	Output is correct
2	Correct	51 ms	19144 KB	Output is correct
3	Correct	121 ms	17476 KB	Output is correct
4	Correct	68 ms	16880 KB	Output is correct
5	Correct	105 ms	16812 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7508 KB	Output is correct
2	Correct	5 ms	7608 KB	Output is correct
3	Correct	5 ms	7640 KB	Output is correct
4	Correct	70 ms	31168 KB	Output is correct
5	Correct	77 ms	35068 KB	Output is correct
6	Correct	88 ms	31244 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	12344 KB	Output is correct
2	Correct	83 ms	12264 KB	Output is correct
3	Correct	61 ms	19276 KB	Output is correct
4	Correct	42 ms	16780 KB	Output is correct
5	Correct	52 ms	29260 KB	Output is correct

Subtask #5
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	3 ms	7380 KB	Output is correct
5	Correct	3 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	4 ms	7384 KB	Output is correct
8	Correct	3 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	77 ms	12364 KB	Output is correct
11	Correct	70 ms	13748 KB	Output is correct
12	Correct	65 ms	20696 KB	Output is correct
13	Correct	47 ms	17992 KB	Output is correct
14	Correct	47 ms	30752 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	8404 KB	Output is correct
2	Correct	35 ms	12872 KB	Output is correct
3	Correct	48 ms	12852 KB	Output is correct
4	Correct	39 ms	12900 KB	Output is correct
5	Correct	14 ms	11600 KB	Output is correct
6	Correct	39 ms	15920 KB	Output is correct
7	Correct	29 ms	19852 KB	Output is correct

Subtask #7
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	3 ms	7380 KB	Output is correct
5	Correct	3 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	4 ms	7384 KB	Output is correct
8	Correct	3 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	4 ms	7508 KB	Output is correct
11	Correct	5 ms	7608 KB	Output is correct
12	Correct	5 ms	7640 KB	Output is correct
13	Correct	70 ms	31168 KB	Output is correct
14	Correct	77 ms	35068 KB	Output is correct
15	Correct	88 ms	31244 KB	Output is correct
16	Correct	77 ms	12364 KB	Output is correct
17	Correct	70 ms	13748 KB	Output is correct
18	Correct	65 ms	20696 KB	Output is correct
19	Correct	47 ms	17992 KB	Output is correct
20	Correct	47 ms	30752 KB	Output is correct
21	Correct	19 ms	9072 KB	Output is correct
22	Correct	74 ms	13976 KB	Output is correct
23	Correct	110 ms	16360 KB	Output is correct
24	Correct	139 ms	18980 KB	Output is correct
25	Correct	60 ms	18300 KB	Output is correct
26	Correct	107 ms	21904 KB	Output is correct
27	Correct	109 ms	23480 KB	Output is correct

Subtask #8
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	3 ms	7380 KB	Output is correct
5	Correct	3 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	4 ms	7384 KB	Output is correct
8	Correct	3 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	68 ms	14164 KB	Output is correct
11	Correct	51 ms	19144 KB	Output is correct
12	Correct	121 ms	17476 KB	Output is correct
13	Correct	68 ms	16880 KB	Output is correct
14	Correct	105 ms	16812 KB	Output is correct
15	Correct	4 ms	7508 KB	Output is correct
16	Correct	5 ms	7608 KB	Output is correct
17	Correct	5 ms	7640 KB	Output is correct
18	Correct	70 ms	31168 KB	Output is correct
19	Correct	77 ms	35068 KB	Output is correct
20	Correct	88 ms	31244 KB	Output is correct
21	Correct	67 ms	12344 KB	Output is correct
22	Correct	83 ms	12264 KB	Output is correct
23	Correct	61 ms	19276 KB	Output is correct
24	Correct	42 ms	16780 KB	Output is correct
25	Correct	52 ms	29260 KB	Output is correct
26	Correct	77 ms	12364 KB	Output is correct
27	Correct	70 ms	13748 KB	Output is correct
28	Correct	65 ms	20696 KB	Output is correct
29	Correct	47 ms	17992 KB	Output is correct
30	Correct	47 ms	30752 KB	Output is correct
31	Correct	8 ms	8404 KB	Output is correct
32	Correct	35 ms	12872 KB	Output is correct
33	Correct	48 ms	12852 KB	Output is correct
34	Correct	39 ms	12900 KB	Output is correct
35	Correct	14 ms	11600 KB	Output is correct
36	Correct	39 ms	15920 KB	Output is correct
37	Correct	29 ms	19852 KB	Output is correct
38	Correct	19 ms	9072 KB	Output is correct
39	Correct	74 ms	13976 KB	Output is correct
40	Correct	110 ms	16360 KB	Output is correct
41	Correct	139 ms	18980 KB	Output is correct
42	Correct	60 ms	18300 KB	Output is correct
43	Correct	107 ms	21904 KB	Output is correct
44	Correct	109 ms	23480 KB	Output is correct
45	Correct	20 ms	9164 KB	Output is correct
46	Correct	76 ms	14288 KB	Output is correct
47	Correct	80 ms	16176 KB	Output is correct
48	Correct	137 ms	18972 KB	Output is correct
49	Correct	76 ms	18948 KB	Output is correct
50	Correct	112 ms	21996 KB	Output is correct
51	Correct	106 ms	23528 KB	Output is correct

답안 #579390

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