Submission #1066874

# Submission time Handle Problem Language Result Execution time Memory
1066874 2024-08-20T08:22:40 Z _rain_ Jobs (BOI24_jobs) C++14
100 / 100
186 ms 74440 KB
#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
#define debug false
 
const int maxn = 3e5;
i64 s;
vector<int> g[maxn+2];
int n , x[maxn+2];
struct NODE{	
	i64 sum;
	i64 require;
	bool operator > (const NODE& other) const{
		if (require != other.require) return require < other.require;
		return sum < other.sum;
	}
};
priority_queue<NODE,vector<NODE>,greater<NODE>> bag[maxn+2];
 
void dfs(int u , int p){
	for (auto& v : g[u]){
		if (v==p) continue;
		dfs(v,u);
		if (bag[v].size() > bag[u].size()) swap(bag[u] , bag[v]);
		while (bag[v].size()){
			bag[u].push(bag[v].top());
			bag[v].pop();
		}
		if (debug){
			cout << u << " " << v << '\n';
		}
	}
	i64 sum  = x[u] , require = min(0 , x[u]);
	while (bag[u].size()){
		i64 x = bag[u].top().sum , y = bag[u].top().require; 
		if (sum < 0){
			require = min(require , y + sum);
			sum += x;
			bag[u].pop();
		}
		else {
			if (require < y) {
				bag[u].pop();
				sum += x;
			}
			else {
				bag[u].push({sum , require});
				break;
			}
		}
	}
	if (bag[u].size()==0) bag[u].push({sum , require});
	if (bag[u].size()==1 && bag[u].top().sum < 0) bag[u].pop();
	return;
}
 
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	
	cin >> n >> s;
	for (int i = 1; i <= n; ++i) {
		int p; cin >> x[i] >> p;
		g[p].push_back(i);
	}
	i64 profit = 0;
	dfs(0,-1);
	while (bag[0].size()){
		i64 x = bag[0].top().sum , y = bag[0].top().require;
		if (debug){
			cout << x << ' ' << y << '\n';
		}
		bag[0].pop();
		if (s + profit + y >= 0){
			profit += x;
		}
	}
	cout << profit;
}
# Verdict Execution time Memory Grader output
1 Correct 164 ms 47936 KB Output is correct
2 Correct 121 ms 37968 KB Output is correct
3 Correct 92 ms 32836 KB Output is correct
4 Correct 97 ms 41664 KB Output is correct
5 Correct 86 ms 50444 KB Output is correct
6 Correct 87 ms 36132 KB Output is correct
7 Correct 136 ms 41924 KB Output is correct
8 Correct 96 ms 32700 KB Output is correct
9 Correct 87 ms 45828 KB Output is correct
10 Correct 86 ms 50436 KB Output is correct
11 Correct 163 ms 50756 KB Output is correct
12 Correct 120 ms 41368 KB Output is correct
13 Correct 160 ms 46088 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 18012 KB Output is correct
2 Correct 3 ms 18012 KB Output is correct
3 Correct 3 ms 18012 KB Output is correct
4 Correct 4 ms 18012 KB Output is correct
5 Correct 3 ms 18268 KB Output is correct
6 Correct 3 ms 18268 KB Output is correct
7 Correct 4 ms 18220 KB Output is correct
8 Correct 3 ms 18084 KB Output is correct
9 Correct 3 ms 18012 KB Output is correct
10 Correct 4 ms 18012 KB Output is correct
11 Correct 4 ms 18268 KB Output is correct
12 Correct 3 ms 18140 KB Output is correct
13 Correct 4 ms 18012 KB Output is correct
14 Correct 3 ms 18136 KB Output is correct
15 Correct 3 ms 18200 KB Output is correct
16 Correct 3 ms 18008 KB Output is correct
17 Correct 4 ms 18268 KB Output is correct
18 Correct 4 ms 18284 KB Output is correct
19 Correct 3 ms 18012 KB Output is correct
20 Correct 3 ms 18012 KB Output is correct
21 Correct 3 ms 18012 KB Output is correct
22 Correct 3 ms 18012 KB Output is correct
23 Correct 4 ms 18280 KB Output is correct
24 Correct 4 ms 18268 KB Output is correct
25 Correct 3 ms 18080 KB Output is correct
26 Correct 3 ms 18076 KB Output is correct
27 Correct 3 ms 18012 KB Output is correct
28 Correct 3 ms 18268 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 18012 KB Output is correct
2 Correct 3 ms 18012 KB Output is correct
3 Correct 3 ms 18012 KB Output is correct
4 Correct 4 ms 18012 KB Output is correct
5 Correct 3 ms 18268 KB Output is correct
6 Correct 3 ms 18268 KB Output is correct
7 Correct 4 ms 18220 KB Output is correct
8 Correct 3 ms 18084 KB Output is correct
9 Correct 3 ms 18012 KB Output is correct
10 Correct 4 ms 18012 KB Output is correct
11 Correct 4 ms 18268 KB Output is correct
12 Correct 3 ms 18140 KB Output is correct
13 Correct 4 ms 18012 KB Output is correct
14 Correct 3 ms 18136 KB Output is correct
15 Correct 3 ms 18200 KB Output is correct
16 Correct 3 ms 18008 KB Output is correct
17 Correct 4 ms 18268 KB Output is correct
18 Correct 4 ms 18284 KB Output is correct
19 Correct 3 ms 18012 KB Output is correct
20 Correct 3 ms 18012 KB Output is correct
21 Correct 3 ms 18012 KB Output is correct
22 Correct 3 ms 18012 KB Output is correct
23 Correct 4 ms 18280 KB Output is correct
24 Correct 4 ms 18268 KB Output is correct
25 Correct 3 ms 18080 KB Output is correct
26 Correct 3 ms 18076 KB Output is correct
27 Correct 3 ms 18012 KB Output is correct
28 Correct 3 ms 18268 KB Output is correct
29 Correct 81 ms 39948 KB Output is correct
30 Correct 74 ms 38348 KB Output is correct
31 Correct 63 ms 34868 KB Output is correct
32 Correct 95 ms 72040 KB Output is correct
33 Correct 98 ms 56856 KB Output is correct
34 Correct 84 ms 48452 KB Output is correct
35 Correct 40 ms 27468 KB Output is correct
36 Correct 77 ms 41928 KB Output is correct
37 Correct 77 ms 39616 KB Output is correct
38 Correct 93 ms 71120 KB Output is correct
39 Correct 93 ms 56392 KB Output is correct
40 Correct 88 ms 45896 KB Output is correct
41 Correct 81 ms 36288 KB Output is correct
42 Correct 39 ms 32232 KB Output is correct
43 Correct 81 ms 48580 KB Output is correct
44 Correct 102 ms 74192 KB Output is correct
45 Correct 90 ms 56404 KB Output is correct
46 Correct 102 ms 48156 KB Output is correct
47 Correct 78 ms 36288 KB Output is correct
48 Correct 74 ms 38848 KB Output is correct
49 Correct 77 ms 39616 KB Output is correct
50 Correct 97 ms 74408 KB Output is correct
51 Correct 66 ms 47980 KB Output is correct
52 Correct 87 ms 46404 KB Output is correct
53 Correct 57 ms 39900 KB Output is correct
54 Correct 68 ms 36164 KB Output is correct
55 Correct 76 ms 41028 KB Output is correct
56 Correct 97 ms 74440 KB Output is correct
57 Correct 98 ms 56720 KB Output is correct
58 Correct 91 ms 44872 KB Output is correct
59 Correct 83 ms 42436 KB Output is correct
60 Correct 72 ms 37316 KB Output is correct
61 Correct 81 ms 47680 KB Output is correct
62 Correct 92 ms 46660 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 18012 KB Output is correct
2 Correct 3 ms 18012 KB Output is correct
3 Correct 3 ms 18012 KB Output is correct
4 Correct 4 ms 18012 KB Output is correct
5 Correct 3 ms 18268 KB Output is correct
6 Correct 3 ms 18268 KB Output is correct
7 Correct 4 ms 18220 KB Output is correct
8 Correct 3 ms 18084 KB Output is correct
9 Correct 3 ms 18012 KB Output is correct
10 Correct 4 ms 18012 KB Output is correct
11 Correct 4 ms 18268 KB Output is correct
12 Correct 3 ms 18140 KB Output is correct
13 Correct 4 ms 18012 KB Output is correct
14 Correct 3 ms 18136 KB Output is correct
15 Correct 3 ms 18200 KB Output is correct
16 Correct 3 ms 18008 KB Output is correct
17 Correct 4 ms 18268 KB Output is correct
18 Correct 4 ms 18284 KB Output is correct
19 Correct 3 ms 18012 KB Output is correct
20 Correct 3 ms 18012 KB Output is correct
21 Correct 3 ms 18012 KB Output is correct
22 Correct 3 ms 18012 KB Output is correct
23 Correct 4 ms 18280 KB Output is correct
24 Correct 4 ms 18268 KB Output is correct
25 Correct 3 ms 18080 KB Output is correct
26 Correct 3 ms 18076 KB Output is correct
27 Correct 3 ms 18012 KB Output is correct
28 Correct 3 ms 18268 KB Output is correct
29 Correct 3 ms 18012 KB Output is correct
30 Correct 4 ms 18012 KB Output is correct
31 Correct 4 ms 18008 KB Output is correct
32 Correct 4 ms 18012 KB Output is correct
33 Correct 4 ms 18012 KB Output is correct
34 Correct 4 ms 18268 KB Output is correct
35 Correct 4 ms 18268 KB Output is correct
36 Correct 4 ms 18012 KB Output is correct
37 Correct 4 ms 18012 KB Output is correct
38 Correct 3 ms 18012 KB Output is correct
39 Correct 4 ms 18012 KB Output is correct
40 Correct 3 ms 18268 KB Output is correct
41 Correct 4 ms 18012 KB Output is correct
42 Correct 3 ms 18096 KB Output is correct
43 Correct 4 ms 18108 KB Output is correct
44 Correct 4 ms 18008 KB Output is correct
45 Correct 3 ms 18028 KB Output is correct
46 Correct 3 ms 18268 KB Output is correct
47 Correct 4 ms 18264 KB Output is correct
48 Correct 3 ms 18012 KB Output is correct
49 Correct 3 ms 18008 KB Output is correct
50 Correct 3 ms 18012 KB Output is correct
51 Correct 3 ms 18012 KB Output is correct
52 Correct 3 ms 18012 KB Output is correct
53 Correct 3 ms 18292 KB Output is correct
54 Correct 3 ms 18012 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 164 ms 47936 KB Output is correct
2 Correct 121 ms 37968 KB Output is correct
3 Correct 92 ms 32836 KB Output is correct
4 Correct 97 ms 41664 KB Output is correct
5 Correct 86 ms 50444 KB Output is correct
6 Correct 87 ms 36132 KB Output is correct
7 Correct 136 ms 41924 KB Output is correct
8 Correct 96 ms 32700 KB Output is correct
9 Correct 87 ms 45828 KB Output is correct
10 Correct 86 ms 50436 KB Output is correct
11 Correct 163 ms 50756 KB Output is correct
12 Correct 120 ms 41368 KB Output is correct
13 Correct 160 ms 46088 KB Output is correct
14 Correct 3 ms 18012 KB Output is correct
15 Correct 3 ms 18012 KB Output is correct
16 Correct 3 ms 18012 KB Output is correct
17 Correct 4 ms 18012 KB Output is correct
18 Correct 3 ms 18268 KB Output is correct
19 Correct 3 ms 18268 KB Output is correct
20 Correct 4 ms 18220 KB Output is correct
21 Correct 3 ms 18084 KB Output is correct
22 Correct 3 ms 18012 KB Output is correct
23 Correct 4 ms 18012 KB Output is correct
24 Correct 4 ms 18268 KB Output is correct
25 Correct 3 ms 18140 KB Output is correct
26 Correct 4 ms 18012 KB Output is correct
27 Correct 3 ms 18136 KB Output is correct
28 Correct 3 ms 18200 KB Output is correct
29 Correct 3 ms 18008 KB Output is correct
30 Correct 4 ms 18268 KB Output is correct
31 Correct 4 ms 18284 KB Output is correct
32 Correct 3 ms 18012 KB Output is correct
33 Correct 3 ms 18012 KB Output is correct
34 Correct 3 ms 18012 KB Output is correct
35 Correct 3 ms 18012 KB Output is correct
36 Correct 4 ms 18280 KB Output is correct
37 Correct 4 ms 18268 KB Output is correct
38 Correct 3 ms 18080 KB Output is correct
39 Correct 3 ms 18076 KB Output is correct
40 Correct 3 ms 18012 KB Output is correct
41 Correct 3 ms 18268 KB Output is correct
42 Correct 81 ms 39948 KB Output is correct
43 Correct 74 ms 38348 KB Output is correct
44 Correct 63 ms 34868 KB Output is correct
45 Correct 95 ms 72040 KB Output is correct
46 Correct 98 ms 56856 KB Output is correct
47 Correct 84 ms 48452 KB Output is correct
48 Correct 40 ms 27468 KB Output is correct
49 Correct 77 ms 41928 KB Output is correct
50 Correct 77 ms 39616 KB Output is correct
51 Correct 93 ms 71120 KB Output is correct
52 Correct 93 ms 56392 KB Output is correct
53 Correct 88 ms 45896 KB Output is correct
54 Correct 81 ms 36288 KB Output is correct
55 Correct 39 ms 32232 KB Output is correct
56 Correct 81 ms 48580 KB Output is correct
57 Correct 102 ms 74192 KB Output is correct
58 Correct 90 ms 56404 KB Output is correct
59 Correct 102 ms 48156 KB Output is correct
60 Correct 78 ms 36288 KB Output is correct
61 Correct 74 ms 38848 KB Output is correct
62 Correct 77 ms 39616 KB Output is correct
63 Correct 97 ms 74408 KB Output is correct
64 Correct 66 ms 47980 KB Output is correct
65 Correct 87 ms 46404 KB Output is correct
66 Correct 57 ms 39900 KB Output is correct
67 Correct 68 ms 36164 KB Output is correct
68 Correct 76 ms 41028 KB Output is correct
69 Correct 97 ms 74440 KB Output is correct
70 Correct 98 ms 56720 KB Output is correct
71 Correct 91 ms 44872 KB Output is correct
72 Correct 83 ms 42436 KB Output is correct
73 Correct 72 ms 37316 KB Output is correct
74 Correct 81 ms 47680 KB Output is correct
75 Correct 92 ms 46660 KB Output is correct
76 Correct 3 ms 18012 KB Output is correct
77 Correct 4 ms 18012 KB Output is correct
78 Correct 4 ms 18008 KB Output is correct
79 Correct 4 ms 18012 KB Output is correct
80 Correct 4 ms 18012 KB Output is correct
81 Correct 4 ms 18268 KB Output is correct
82 Correct 4 ms 18268 KB Output is correct
83 Correct 4 ms 18012 KB Output is correct
84 Correct 4 ms 18012 KB Output is correct
85 Correct 3 ms 18012 KB Output is correct
86 Correct 4 ms 18012 KB Output is correct
87 Correct 3 ms 18268 KB Output is correct
88 Correct 4 ms 18012 KB Output is correct
89 Correct 3 ms 18096 KB Output is correct
90 Correct 4 ms 18108 KB Output is correct
91 Correct 4 ms 18008 KB Output is correct
92 Correct 3 ms 18028 KB Output is correct
93 Correct 3 ms 18268 KB Output is correct
94 Correct 4 ms 18264 KB Output is correct
95 Correct 3 ms 18012 KB Output is correct
96 Correct 3 ms 18008 KB Output is correct
97 Correct 3 ms 18012 KB Output is correct
98 Correct 3 ms 18012 KB Output is correct
99 Correct 3 ms 18012 KB Output is correct
100 Correct 3 ms 18292 KB Output is correct
101 Correct 3 ms 18012 KB Output is correct
102 Correct 155 ms 50756 KB Output is correct
103 Correct 151 ms 45504 KB Output is correct
104 Correct 113 ms 37564 KB Output is correct
105 Correct 102 ms 37760 KB Output is correct
106 Correct 88 ms 54280 KB Output is correct
107 Correct 87 ms 46792 KB Output is correct
108 Correct 164 ms 53956 KB Output is correct
109 Correct 59 ms 30920 KB Output is correct
110 Correct 118 ms 39876 KB Output is correct
111 Correct 156 ms 37828 KB Output is correct
112 Correct 107 ms 35792 KB Output is correct
113 Correct 87 ms 46540 KB Output is correct
114 Correct 91 ms 56328 KB Output is correct
115 Correct 67 ms 32456 KB Output is correct
116 Correct 156 ms 51392 KB Output is correct
117 Correct 114 ms 40644 KB Output is correct
118 Correct 106 ms 38340 KB Output is correct
119 Correct 110 ms 34780 KB Output is correct
120 Correct 85 ms 47384 KB Output is correct
121 Correct 83 ms 46988 KB Output is correct
122 Correct 178 ms 59744 KB Output is correct
123 Correct 167 ms 50628 KB Output is correct
124 Correct 121 ms 39460 KB Output is correct
125 Correct 119 ms 39108 KB Output is correct
126 Correct 92 ms 37448 KB Output is correct
127 Correct 51 ms 33780 KB Output is correct
128 Correct 50 ms 31948 KB Output is correct
129 Correct 186 ms 58988 KB Output is correct
130 Correct 144 ms 49860 KB Output is correct
131 Correct 126 ms 44520 KB Output is correct
132 Correct 102 ms 37436 KB Output is correct
133 Correct 101 ms 37956 KB Output is correct
134 Correct 88 ms 54280 KB Output is correct
135 Correct 82 ms 49692 KB Output is correct
136 Correct 170 ms 54088 KB Output is correct
137 Correct 170 ms 58564 KB Output is correct