답안 #1086850

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1086850	2024-09-11T15:13:42 Z	IBory	Jobs (BOI24_jobs)	C++17	40 / 100	230 ms	74956 KB

Main

#include <bits/stdc++.h>
#define pii pair<ll, ll>
typedef long long ll;
using namespace std;

const int MAX = 300003;
vector<int> G[MAX];
priority_queue<pii, vector<pii>, greater<pii>> PQ[MAX];
pii S[MAX];
ll P[MAX];

void DFS(int cur) {
	for (int next : G[cur]) DFS(next);

	auto& [a, b] = S[cur];
	while (!PQ[cur].empty()) {
		auto [c, d] = PQ[cur].top();
		if (b < c) break;
		if (c < d) b = b + d - c;
		PQ[cur].pop();
	}
	if (!cur) return;

	if (a < b) PQ[cur].push(S[cur]);
	else {
		while (!PQ[cur].empty() && a >= b) {
			auto [c, d] = PQ[cur].top(); PQ[cur].pop();
			a += c - b; b = d;
		}
		if (a < b) PQ[cur].emplace(a, b);
	}

	if (PQ[cur].size() > PQ[P[cur]].size()) swap(PQ[cur], PQ[P[cur]]);
	while (!PQ[cur].empty()) {
		auto [c, d] = PQ[cur].top(); PQ[cur].pop();
		PQ[P[cur]].emplace(c, d);
	}
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	ll N, IS;
	cin >> N >> IS;
	S[0] = {0, IS};

	for (int i = 1; i <= N; ++i) {
		ll s;
		cin >> s >> P[i];
		G[P[i]].push_back(i);
		if (s < 0) S[i] = {-s, 0};
		else S[i] = {0, s};
	}

	DFS(0);
	ll ans = S[0].second - IS;
	cout << ans;
	return 0;
}

Subtask #1
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	212 ms	57924 KB	Output is correct
2	Correct	210 ms	47804 KB	Output is correct
3	Correct	162 ms	41844 KB	Output is correct
4	Correct	104 ms	52752 KB	Output is correct
5	Correct	89 ms	55608 KB	Output is correct
6	Correct	126 ms	39224 KB	Output is correct
7	Correct	213 ms	51136 KB	Output is correct
8	Correct	149 ms	42696 KB	Output is correct
9	Correct	91 ms	54544 KB	Output is correct
10	Correct	80 ms	55380 KB	Output is correct
11	Correct	230 ms	59720 KB	Output is correct
12	Correct	205 ms	50236 KB	Output is correct
13	Correct	227 ms	56964 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16728 KB	Output is correct
2	Correct	7 ms	16732 KB	Output is correct
3	Correct	6 ms	16732 KB	Output is correct
4	Correct	7 ms	16988 KB	Output is correct
5	Correct	11 ms	17240 KB	Output is correct
6	Correct	8 ms	16988 KB	Output is correct
7	Correct	8 ms	16996 KB	Output is correct
8	Correct	9 ms	16984 KB	Output is correct
9	Correct	11 ms	16988 KB	Output is correct
10	Correct	8 ms	16988 KB	Output is correct
11	Correct	8 ms	17244 KB	Output is correct
12	Correct	8 ms	16988 KB	Output is correct
13	Correct	10 ms	16916 KB	Output is correct
14	Correct	9 ms	16984 KB	Output is correct
15	Correct	11 ms	16988 KB	Output is correct
16	Correct	8 ms	16996 KB	Output is correct
17	Correct	8 ms	17240 KB	Output is correct
18	Correct	8 ms	16988 KB	Output is correct
19	Correct	9 ms	16988 KB	Output is correct
20	Correct	9 ms	16912 KB	Output is correct
21	Correct	8 ms	16988 KB	Output is correct
22	Correct	7 ms	17012 KB	Output is correct
23	Correct	7 ms	17244 KB	Output is correct
24	Correct	8 ms	17020 KB	Output is correct
25	Correct	7 ms	17120 KB	Output is correct
26	Correct	7 ms	16984 KB	Output is correct
27	Correct	8 ms	16988 KB	Output is correct
28	Correct	9 ms	17004 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16728 KB	Output is correct
2	Correct	7 ms	16732 KB	Output is correct
3	Correct	6 ms	16732 KB	Output is correct
4	Correct	7 ms	16988 KB	Output is correct
5	Correct	11 ms	17240 KB	Output is correct
6	Correct	8 ms	16988 KB	Output is correct
7	Correct	8 ms	16996 KB	Output is correct
8	Correct	9 ms	16984 KB	Output is correct
9	Correct	11 ms	16988 KB	Output is correct
10	Correct	8 ms	16988 KB	Output is correct
11	Correct	8 ms	17244 KB	Output is correct
12	Correct	8 ms	16988 KB	Output is correct
13	Correct	10 ms	16916 KB	Output is correct
14	Correct	9 ms	16984 KB	Output is correct
15	Correct	11 ms	16988 KB	Output is correct
16	Correct	8 ms	16996 KB	Output is correct
17	Correct	8 ms	17240 KB	Output is correct
18	Correct	8 ms	16988 KB	Output is correct
19	Correct	9 ms	16988 KB	Output is correct
20	Correct	9 ms	16912 KB	Output is correct
21	Correct	8 ms	16988 KB	Output is correct
22	Correct	7 ms	17012 KB	Output is correct
23	Correct	7 ms	17244 KB	Output is correct
24	Correct	8 ms	17020 KB	Output is correct
25	Correct	7 ms	17120 KB	Output is correct
26	Correct	7 ms	16984 KB	Output is correct
27	Correct	8 ms	16988 KB	Output is correct
28	Correct	9 ms	17004 KB	Output is correct
29	Correct	100 ms	43916 KB	Output is correct
30	Correct	99 ms	43916 KB	Output is correct
31	Correct	80 ms	40644 KB	Output is correct
32	Correct	95 ms	74956 KB	Output is correct
33	Correct	96 ms	59152 KB	Output is correct
34	Correct	92 ms	53316 KB	Output is correct
35	Correct	46 ms	29784 KB	Output is correct
36	Correct	89 ms	47040 KB	Output is correct
37	Correct	94 ms	45224 KB	Output is correct
38	Correct	87 ms	74648 KB	Output is correct
39	Correct	91 ms	61772 KB	Output is correct
40	Correct	95 ms	48320 KB	Output is correct
41	Correct	83 ms	42292 KB	Output is correct
42	Correct	42 ms	34760 KB	Output is correct
43	Correct	96 ms	53188 KB	Output is correct
44	Correct	92 ms	74700 KB	Output is correct
45	Correct	88 ms	60504 KB	Output is correct
46	Correct	93 ms	53064 KB	Output is correct
47	Correct	93 ms	42032 KB	Output is correct
48	Correct	96 ms	42944 KB	Output is correct
49	Correct	95 ms	44736 KB	Output is correct
50	Correct	92 ms	74840 KB	Output is correct
51	Correct	64 ms	50000 KB	Output is correct
52	Correct	81 ms	47432 KB	Output is correct
53	Correct	57 ms	42448 KB	Output is correct
54	Correct	80 ms	41800 KB	Output is correct
55	Correct	88 ms	44920 KB	Output is correct
56	Correct	86 ms	74792 KB	Output is correct
57	Correct	86 ms	57164 KB	Output is correct
58	Correct	84 ms	47424 KB	Output is correct
59	Correct	97 ms	48344 KB	Output is correct
60	Correct	67 ms	42180 KB	Output is correct
61	Correct	110 ms	52932 KB	Output is correct
62	Correct	119 ms	52132 KB	Output is correct

Subtask #4
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16728 KB	Output is correct
2	Correct	7 ms	16732 KB	Output is correct
3	Correct	6 ms	16732 KB	Output is correct
4	Correct	7 ms	16988 KB	Output is correct
5	Correct	11 ms	17240 KB	Output is correct
6	Correct	8 ms	16988 KB	Output is correct
7	Correct	8 ms	16996 KB	Output is correct
8	Correct	9 ms	16984 KB	Output is correct
9	Correct	11 ms	16988 KB	Output is correct
10	Correct	8 ms	16988 KB	Output is correct
11	Correct	8 ms	17244 KB	Output is correct
12	Correct	8 ms	16988 KB	Output is correct
13	Correct	10 ms	16916 KB	Output is correct
14	Correct	9 ms	16984 KB	Output is correct
15	Correct	11 ms	16988 KB	Output is correct
16	Correct	8 ms	16996 KB	Output is correct
17	Correct	8 ms	17240 KB	Output is correct
18	Correct	8 ms	16988 KB	Output is correct
19	Correct	9 ms	16988 KB	Output is correct
20	Correct	9 ms	16912 KB	Output is correct
21	Correct	8 ms	16988 KB	Output is correct
22	Correct	7 ms	17012 KB	Output is correct
23	Correct	7 ms	17244 KB	Output is correct
24	Correct	8 ms	17020 KB	Output is correct
25	Correct	7 ms	17120 KB	Output is correct
26	Correct	7 ms	16984 KB	Output is correct
27	Correct	8 ms	16988 KB	Output is correct
28	Correct	9 ms	17004 KB	Output is correct
29	Correct	8 ms	16728 KB	Output is correct
30	Correct	8 ms	16984 KB	Output is correct
31	Correct	7 ms	16988 KB	Output is correct
32	Correct	9 ms	16872 KB	Output is correct
33	Correct	8 ms	16988 KB	Output is correct
34	Correct	7 ms	16988 KB	Output is correct
35	Correct	8 ms	16988 KB	Output is correct
36	Correct	7 ms	16988 KB	Output is correct
37	Correct	7 ms	16988 KB	Output is correct
38	Correct	8 ms	16988 KB	Output is correct
39	Correct	10 ms	16988 KB	Output is correct
40	Incorrect	10 ms	16988 KB	Output isn't correct
41	Halted	0 ms	0 KB	-

Subtask #5
0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	212 ms	57924 KB	Output is correct
2	Correct	210 ms	47804 KB	Output is correct
3	Correct	162 ms	41844 KB	Output is correct
4	Correct	104 ms	52752 KB	Output is correct
5	Correct	89 ms	55608 KB	Output is correct
6	Correct	126 ms	39224 KB	Output is correct
7	Correct	213 ms	51136 KB	Output is correct
8	Correct	149 ms	42696 KB	Output is correct
9	Correct	91 ms	54544 KB	Output is correct
10	Correct	80 ms	55380 KB	Output is correct
11	Correct	230 ms	59720 KB	Output is correct
12	Correct	205 ms	50236 KB	Output is correct
13	Correct	227 ms	56964 KB	Output is correct
14	Correct	7 ms	16728 KB	Output is correct
15	Correct	7 ms	16732 KB	Output is correct
16	Correct	6 ms	16732 KB	Output is correct
17	Correct	7 ms	16988 KB	Output is correct
18	Correct	11 ms	17240 KB	Output is correct
19	Correct	8 ms	16988 KB	Output is correct
20	Correct	8 ms	16996 KB	Output is correct
21	Correct	9 ms	16984 KB	Output is correct
22	Correct	11 ms	16988 KB	Output is correct
23	Correct	8 ms	16988 KB	Output is correct
24	Correct	8 ms	17244 KB	Output is correct
25	Correct	8 ms	16988 KB	Output is correct
26	Correct	10 ms	16916 KB	Output is correct
27	Correct	9 ms	16984 KB	Output is correct
28	Correct	11 ms	16988 KB	Output is correct
29	Correct	8 ms	16996 KB	Output is correct
30	Correct	8 ms	17240 KB	Output is correct
31	Correct	8 ms	16988 KB	Output is correct
32	Correct	9 ms	16988 KB	Output is correct
33	Correct	9 ms	16912 KB	Output is correct
34	Correct	8 ms	16988 KB	Output is correct
35	Correct	7 ms	17012 KB	Output is correct
36	Correct	7 ms	17244 KB	Output is correct
37	Correct	8 ms	17020 KB	Output is correct
38	Correct	7 ms	17120 KB	Output is correct
39	Correct	7 ms	16984 KB	Output is correct
40	Correct	8 ms	16988 KB	Output is correct
41	Correct	9 ms	17004 KB	Output is correct
42	Correct	100 ms	43916 KB	Output is correct
43	Correct	99 ms	43916 KB	Output is correct
44	Correct	80 ms	40644 KB	Output is correct
45	Correct	95 ms	74956 KB	Output is correct
46	Correct	96 ms	59152 KB	Output is correct
47	Correct	92 ms	53316 KB	Output is correct
48	Correct	46 ms	29784 KB	Output is correct
49	Correct	89 ms	47040 KB	Output is correct
50	Correct	94 ms	45224 KB	Output is correct
51	Correct	87 ms	74648 KB	Output is correct
52	Correct	91 ms	61772 KB	Output is correct
53	Correct	95 ms	48320 KB	Output is correct
54	Correct	83 ms	42292 KB	Output is correct
55	Correct	42 ms	34760 KB	Output is correct
56	Correct	96 ms	53188 KB	Output is correct
57	Correct	92 ms	74700 KB	Output is correct
58	Correct	88 ms	60504 KB	Output is correct
59	Correct	93 ms	53064 KB	Output is correct
60	Correct	93 ms	42032 KB	Output is correct
61	Correct	96 ms	42944 KB	Output is correct
62	Correct	95 ms	44736 KB	Output is correct
63	Correct	92 ms	74840 KB	Output is correct
64	Correct	64 ms	50000 KB	Output is correct
65	Correct	81 ms	47432 KB	Output is correct
66	Correct	57 ms	42448 KB	Output is correct
67	Correct	80 ms	41800 KB	Output is correct
68	Correct	88 ms	44920 KB	Output is correct
69	Correct	86 ms	74792 KB	Output is correct
70	Correct	86 ms	57164 KB	Output is correct
71	Correct	84 ms	47424 KB	Output is correct
72	Correct	97 ms	48344 KB	Output is correct
73	Correct	67 ms	42180 KB	Output is correct
74	Correct	110 ms	52932 KB	Output is correct
75	Correct	119 ms	52132 KB	Output is correct
76	Correct	8 ms	16728 KB	Output is correct
77	Correct	8 ms	16984 KB	Output is correct
78	Correct	7 ms	16988 KB	Output is correct
79	Correct	9 ms	16872 KB	Output is correct
80	Correct	8 ms	16988 KB	Output is correct
81	Correct	7 ms	16988 KB	Output is correct
82	Correct	8 ms	16988 KB	Output is correct
83	Correct	7 ms	16988 KB	Output is correct
84	Correct	7 ms	16988 KB	Output is correct
85	Correct	8 ms	16988 KB	Output is correct
86	Correct	10 ms	16988 KB	Output is correct
87	Incorrect	10 ms	16988 KB	Output isn't correct
88	Halted	0 ms	0 KB	-

답안 #1086850

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 14.0 / 14.0

Subtask #3 15.0 / 15.0

Subtask #4 0 / 29.0

Subtask #5 0 / 31.0

Subtask #1
11.0 / 11.0

Subtask #2
14.0 / 14.0

Subtask #3
15.0 / 15.0

Subtask #4
0 / 29.0

Subtask #5
0 / 31.0