oj.uz

Submission #1086859

# Submission time Handle Problem Language Result Execution time Memory
1086859 2024-09-11T15:37:03 Z IBory Jobs (BOI24_jobs) C++17
100 / 100
 247 ms 74852 KB 
#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;
		b += d - c;
		PQ[cur].pop();
	}
	if (!cur) return;
 
	if (a < b) PQ[cur].push(S[cur]);
	else {
		while (!PQ[cur].empty() && (a >= b || PQ[cur].top().first <= a)) {
			auto [c, d] = PQ[cur].top(); PQ[cur].pop();
			if (b <= c) a += c - b, b = d;
			else b += d - c;
		}
		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

# Verdict Execution time Memory Grader output
1 Correct 217 ms 57928 KB Output is correct
2 Correct 175 ms 47548 KB Output is correct
3 Correct 129 ms 41800 KB Output is correct
4 Correct 104 ms 52852 KB Output is correct
5 Correct 86 ms 55632 KB Output is correct
6 Correct 100 ms 39132 KB Output is correct
7 Correct 187 ms 51136 KB Output is correct
8 Correct 139 ms 42824 KB Output is correct
9 Correct 94 ms 54548 KB Output is correct
10 Correct 87 ms 55336 KB Output is correct
11 Correct 231 ms 59720 KB Output is correct
12 Correct 195 ms 50108 KB Output is correct
13 Correct 199 ms 56900 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 7 ms 16732 KB Output is correct
3 Correct 7 ms 16844 KB Output is correct
4 Correct 7 ms 16984 KB Output is correct
5 Correct 8 ms 17244 KB Output is correct
6 Correct 8 ms 17020 KB Output is correct
7 Correct 7 ms 16984 KB Output is correct
8 Correct 8 ms 16988 KB Output is correct
9 Correct 8 ms 16988 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 10 ms 16984 KB Output is correct
13 Correct 7 ms 16988 KB Output is correct
14 Correct 8 ms 16984 KB Output is correct
15 Correct 7 ms 16984 KB Output is correct
16 Correct 8 ms 16988 KB Output is correct
17 Correct 9 ms 17244 KB Output is correct
18 Correct 8 ms 16988 KB Output is correct
19 Correct 10 ms 17244 KB Output is correct
20 Correct 7 ms 16988 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 8 ms 16908 KB Output is correct
23 Correct 8 ms 17244 KB Output is correct
24 Correct 8 ms 17136 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 17008 KB Output is correct
27 Correct 8 ms 16988 KB Output is correct
28 Correct 7 ms 16984 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 7 ms 16732 KB Output is correct
3 Correct 7 ms 16844 KB Output is correct
4 Correct 7 ms 16984 KB Output is correct
5 Correct 8 ms 17244 KB Output is correct
6 Correct 8 ms 17020 KB Output is correct
7 Correct 7 ms 16984 KB Output is correct
8 Correct 8 ms 16988 KB Output is correct
9 Correct 8 ms 16988 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 10 ms 16984 KB Output is correct
13 Correct 7 ms 16988 KB Output is correct
14 Correct 8 ms 16984 KB Output is correct
15 Correct 7 ms 16984 KB Output is correct
16 Correct 8 ms 16988 KB Output is correct
17 Correct 9 ms 17244 KB Output is correct
18 Correct 8 ms 16988 KB Output is correct
19 Correct 10 ms 17244 KB Output is correct
20 Correct 7 ms 16988 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 8 ms 16908 KB Output is correct
23 Correct 8 ms 17244 KB Output is correct
24 Correct 8 ms 17136 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 17008 KB Output is correct
27 Correct 8 ms 16988 KB Output is correct
28 Correct 7 ms 16984 KB Output is correct
29 Correct 86 ms 43916 KB Output is correct
30 Correct 82 ms 43952 KB Output is correct
31 Correct 79 ms 40532 KB Output is correct
32 Correct 84 ms 74852 KB Output is correct
33 Correct 105 ms 59016 KB Output is correct
34 Correct 81 ms 53240 KB Output is correct
35 Correct 47 ms 29756 KB Output is correct
36 Correct 83 ms 47044 KB Output is correct
37 Correct 95 ms 44992 KB Output is correct
38 Correct 94 ms 74832 KB Output is correct
39 Correct 92 ms 61768 KB Output is correct
40 Correct 92 ms 48456 KB Output is correct
41 Correct 81 ms 42188 KB Output is correct
42 Correct 41 ms 34548 KB Output is correct
43 Correct 87 ms 53188 KB Output is correct
44 Correct 97 ms 74832 KB Output is correct
45 Correct 87 ms 60568 KB Output is correct
46 Correct 86 ms 52940 KB Output is correct
47 Correct 89 ms 42172 KB Output is correct
48 Correct 89 ms 42772 KB Output is correct
49 Correct 96 ms 44736 KB Output is correct
50 Correct 95 ms 74832 KB Output is correct
51 Correct 58 ms 50012 KB Output is correct
52 Correct 84 ms 47480 KB Output is correct
53 Correct 60 ms 42456 KB Output is correct
54 Correct 86 ms 41800 KB Output is correct
55 Correct 86 ms 44740 KB Output is correct
56 Correct 94 ms 74752 KB Output is correct
57 Correct 96 ms 57168 KB Output is correct
58 Correct 85 ms 47268 KB Output is correct
59 Correct 97 ms 48324 KB Output is correct
60 Correct 69 ms 42172 KB Output is correct
61 Correct 84 ms 52932 KB Output is correct
62 Correct 100 ms 52036 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 7 ms 16732 KB Output is correct
3 Correct 7 ms 16844 KB Output is correct
4 Correct 7 ms 16984 KB Output is correct
5 Correct 8 ms 17244 KB Output is correct
6 Correct 8 ms 17020 KB Output is correct
7 Correct 7 ms 16984 KB Output is correct
8 Correct 8 ms 16988 KB Output is correct
9 Correct 8 ms 16988 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 10 ms 16984 KB Output is correct
13 Correct 7 ms 16988 KB Output is correct
14 Correct 8 ms 16984 KB Output is correct
15 Correct 7 ms 16984 KB Output is correct
16 Correct 8 ms 16988 KB Output is correct
17 Correct 9 ms 17244 KB Output is correct
18 Correct 8 ms 16988 KB Output is correct
19 Correct 10 ms 17244 KB Output is correct
20 Correct 7 ms 16988 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 8 ms 16908 KB Output is correct
23 Correct 8 ms 17244 KB Output is correct
24 Correct 8 ms 17136 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 17008 KB Output is correct
27 Correct 8 ms 16988 KB Output is correct
28 Correct 7 ms 16984 KB Output is correct
29 Correct 7 ms 16732 KB Output is correct
30 Correct 9 ms 16988 KB Output is correct
31 Correct 9 ms 16984 KB Output is correct
32 Correct 8 ms 16988 KB Output is correct
33 Correct 8 ms 16928 KB Output is correct
34 Correct 8 ms 17168 KB Output is correct
35 Correct 8 ms 16988 KB Output is correct
36 Correct 7 ms 16988 KB Output is correct
37 Correct 8 ms 16988 KB Output is correct
38 Correct 8 ms 17056 KB Output is correct
39 Correct 8 ms 16984 KB Output is correct
40 Correct 7 ms 16992 KB Output is correct
41 Correct 8 ms 16988 KB Output is correct
42 Correct 9 ms 16988 KB Output is correct
43 Correct 8 ms 16972 KB Output is correct
44 Correct 8 ms 16984 KB Output is correct
45 Correct 8 ms 16988 KB Output is correct
46 Correct 8 ms 16988 KB Output is correct
47 Correct 8 ms 16984 KB Output is correct
48 Correct 8 ms 16984 KB Output is correct
49 Correct 8 ms 17240 KB Output is correct
50 Correct 8 ms 16988 KB Output is correct
51 Correct 8 ms 16988 KB Output is correct
52 Correct 8 ms 16988 KB Output is correct
53 Correct 7 ms 16988 KB Output is correct
54 Correct 9 ms 16988 KB Output is correct

Subtask #5
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 57928 KB Output is correct
2 Correct 175 ms 47548 KB Output is correct
3 Correct 129 ms 41800 KB Output is correct
4 Correct 104 ms 52852 KB Output is correct
5 Correct 86 ms 55632 KB Output is correct
6 Correct 100 ms 39132 KB Output is correct
7 Correct 187 ms 51136 KB Output is correct
8 Correct 139 ms 42824 KB Output is correct
9 Correct 94 ms 54548 KB Output is correct
10 Correct 87 ms 55336 KB Output is correct
11 Correct 231 ms 59720 KB Output is correct
12 Correct 195 ms 50108 KB Output is correct
13 Correct 199 ms 56900 KB Output is correct
14 Correct 7 ms 16732 KB Output is correct
15 Correct 7 ms 16732 KB Output is correct
16 Correct 7 ms 16844 KB Output is correct
17 Correct 7 ms 16984 KB Output is correct
18 Correct 8 ms 17244 KB Output is correct
19 Correct 8 ms 17020 KB Output is correct
20 Correct 7 ms 16984 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 8 ms 16988 KB Output is correct
23 Correct 7 ms 16988 KB Output is correct
24 Correct 8 ms 17244 KB Output is correct
25 Correct 10 ms 16984 KB Output is correct
26 Correct 7 ms 16988 KB Output is correct
27 Correct 8 ms 16984 KB Output is correct
28 Correct 7 ms 16984 KB Output is correct
29 Correct 8 ms 16988 KB Output is correct
30 Correct 9 ms 17244 KB Output is correct
31 Correct 8 ms 16988 KB Output is correct
32 Correct 10 ms 17244 KB Output is correct
33 Correct 7 ms 16988 KB Output is correct
34 Correct 8 ms 16988 KB Output is correct
35 Correct 8 ms 16908 KB Output is correct
36 Correct 8 ms 17244 KB Output is correct
37 Correct 8 ms 17136 KB Output is correct
38 Correct 7 ms 16988 KB Output is correct
39 Correct 7 ms 17008 KB Output is correct
40 Correct 8 ms 16988 KB Output is correct
41 Correct 7 ms 16984 KB Output is correct
42 Correct 86 ms 43916 KB Output is correct
43 Correct 82 ms 43952 KB Output is correct
44 Correct 79 ms 40532 KB Output is correct
45 Correct 84 ms 74852 KB Output is correct
46 Correct 105 ms 59016 KB Output is correct
47 Correct 81 ms 53240 KB Output is correct
48 Correct 47 ms 29756 KB Output is correct
49 Correct 83 ms 47044 KB Output is correct
50 Correct 95 ms 44992 KB Output is correct
51 Correct 94 ms 74832 KB Output is correct
52 Correct 92 ms 61768 KB Output is correct
53 Correct 92 ms 48456 KB Output is correct
54 Correct 81 ms 42188 KB Output is correct
55 Correct 41 ms 34548 KB Output is correct
56 Correct 87 ms 53188 KB Output is correct
57 Correct 97 ms 74832 KB Output is correct
58 Correct 87 ms 60568 KB Output is correct
59 Correct 86 ms 52940 KB Output is correct
60 Correct 89 ms 42172 KB Output is correct
61 Correct 89 ms 42772 KB Output is correct
62 Correct 96 ms 44736 KB Output is correct
63 Correct 95 ms 74832 KB Output is correct
64 Correct 58 ms 50012 KB Output is correct
65 Correct 84 ms 47480 KB Output is correct
66 Correct 60 ms 42456 KB Output is correct
67 Correct 86 ms 41800 KB Output is correct
68 Correct 86 ms 44740 KB Output is correct
69 Correct 94 ms 74752 KB Output is correct
70 Correct 96 ms 57168 KB Output is correct
71 Correct 85 ms 47268 KB Output is correct
72 Correct 97 ms 48324 KB Output is correct
73 Correct 69 ms 42172 KB Output is correct
74 Correct 84 ms 52932 KB Output is correct
75 Correct 100 ms 52036 KB Output is correct
76 Correct 7 ms 16732 KB Output is correct
77 Correct 9 ms 16988 KB Output is correct
78 Correct 9 ms 16984 KB Output is correct
79 Correct 8 ms 16988 KB Output is correct
80 Correct 8 ms 16928 KB Output is correct
81 Correct 8 ms 17168 KB Output is correct
82 Correct 8 ms 16988 KB Output is correct
83 Correct 7 ms 16988 KB Output is correct
84 Correct 8 ms 16988 KB Output is correct
85 Correct 8 ms 17056 KB Output is correct
86 Correct 8 ms 16984 KB Output is correct
87 Correct 7 ms 16992 KB Output is correct
88 Correct 8 ms 16988 KB Output is correct
89 Correct 9 ms 16988 KB Output is correct
90 Correct 8 ms 16972 KB Output is correct
91 Correct 8 ms 16984 KB Output is correct
92 Correct 8 ms 16988 KB Output is correct
93 Correct 8 ms 16988 KB Output is correct
94 Correct 8 ms 16984 KB Output is correct
95 Correct 8 ms 16984 KB Output is correct
96 Correct 8 ms 17240 KB Output is correct
97 Correct 8 ms 16988 KB Output is correct
98 Correct 8 ms 16988 KB Output is correct
99 Correct 8 ms 16988 KB Output is correct
100 Correct 7 ms 16988 KB Output is correct
101 Correct 9 ms 16988 KB Output is correct
102 Correct 196 ms 54856 KB Output is correct
103 Correct 181 ms 49600 KB Output is correct
104 Correct 147 ms 42944 KB Output is correct
105 Correct 126 ms 42568 KB Output is correct
106 Correct 98 ms 57616 KB Output is correct
107 Correct 84 ms 50512 KB Output is correct
108 Correct 214 ms 59752 KB Output is correct
109 Correct 85 ms 33220 KB Output is correct
110 Correct 162 ms 45260 KB Output is correct
111 Correct 149 ms 43580 KB Output is correct
112 Correct 145 ms 41664 KB Output is correct
113 Correct 96 ms 52252 KB Output is correct
114 Correct 92 ms 57024 KB Output is correct
115 Correct 83 ms 34872 KB Output is correct
116 Correct 202 ms 56512 KB Output is correct
117 Correct 149 ms 46528 KB Output is correct
118 Correct 158 ms 44240 KB Output is correct
119 Correct 121 ms 40264 KB Output is correct
120 Correct 97 ms 51908 KB Output is correct
121 Correct 88 ms 50060 KB Output is correct
122 Correct 233 ms 64228 KB Output is correct
123 Correct 207 ms 55144 KB Output is correct
124 Correct 157 ms 44864 KB Output is correct
125 Correct 165 ms 44896 KB Output is correct
126 Correct 127 ms 42648 KB Output is correct
127 Correct 58 ms 35092 KB Output is correct
128 Correct 38 ms 32340 KB Output is correct
129 Correct 228 ms 63816 KB Output is correct
130 Correct 192 ms 54620 KB Output is correct
131 Correct 184 ms 49340 KB Output is correct
132 Correct 153 ms 43400 KB Output is correct
133 Correct 128 ms 41800 KB Output is correct
134 Correct 91 ms 57776 KB Output is correct
135 Correct 81 ms 53584 KB Output is correct
136 Correct 247 ms 59716 KB Output is correct
137 Correct 219 ms 63168 KB Output is correct