#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N=3e5+5;
int n;
ll s;
ll a[N];
vector<int> adj[N];
struct DP:map<ll,ll>{
void pop(ll x){
auto it=begin();
ll cur=-x,last=x;
for(;it!=end()&&cur<0;it=erase(it)){
if(cur<0)last=max(last,it->first-cur);
else if(it->first>last+cur)break;
cur+=it->second;
}
if(cur>0)(*this)[last]+=cur;
}
}dp[N];
void dfs(int u){
for(auto v:adj[u]){
dfs(v);
if(dp[v].size()>dp[u].size())swap(dp[u],dp[v]);
for(auto [x,y]:dp[v])dp[u][x]+=y;
}
if(a[u]>=0)dp[u][0]+=a[u];
else dp[u].pop(-a[u]);
}
int main(){
cin.tie(nullptr)->sync_with_stdio(false);
cin >> n >> s;
for(int i=1;i<=n;i++){
int p;
cin >> a[i] >> p;
adj[p].emplace_back(i);
}
dfs(0);
ll ans=0;
for(auto [x,y]:dp[0])if(x<=s)s+=y,ans+=y;
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
259 ms |
93688 KB |
Output is correct |
2 |
Correct |
222 ms |
67408 KB |
Output is correct |
3 |
Correct |
185 ms |
49740 KB |
Output is correct |
4 |
Correct |
124 ms |
58192 KB |
Output is correct |
5 |
Correct |
102 ms |
68688 KB |
Output is correct |
6 |
Correct |
136 ms |
55636 KB |
Output is correct |
7 |
Correct |
239 ms |
75856 KB |
Output is correct |
8 |
Correct |
195 ms |
49740 KB |
Output is correct |
9 |
Correct |
119 ms |
66128 KB |
Output is correct |
10 |
Correct |
102 ms |
69456 KB |
Output is correct |
11 |
Correct |
287 ms |
99888 KB |
Output is correct |
12 |
Correct |
223 ms |
83540 KB |
Output is correct |
13 |
Correct |
258 ms |
88376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
23128 KB |
Output is correct |
2 |
Correct |
6 ms |
23128 KB |
Output is correct |
3 |
Correct |
7 ms |
22968 KB |
Output is correct |
4 |
Correct |
6 ms |
23388 KB |
Output is correct |
5 |
Correct |
7 ms |
23588 KB |
Output is correct |
6 |
Correct |
7 ms |
23388 KB |
Output is correct |
7 |
Correct |
6 ms |
23388 KB |
Output is correct |
8 |
Correct |
7 ms |
23252 KB |
Output is correct |
9 |
Correct |
7 ms |
23132 KB |
Output is correct |
10 |
Correct |
6 ms |
23388 KB |
Output is correct |
11 |
Correct |
7 ms |
23600 KB |
Output is correct |
12 |
Correct |
7 ms |
23388 KB |
Output is correct |
13 |
Correct |
6 ms |
23412 KB |
Output is correct |
14 |
Correct |
7 ms |
23388 KB |
Output is correct |
15 |
Correct |
7 ms |
23384 KB |
Output is correct |
16 |
Correct |
7 ms |
23132 KB |
Output is correct |
17 |
Correct |
7 ms |
23644 KB |
Output is correct |
18 |
Correct |
7 ms |
23384 KB |
Output is correct |
19 |
Correct |
7 ms |
23440 KB |
Output is correct |
20 |
Correct |
7 ms |
23316 KB |
Output is correct |
21 |
Correct |
6 ms |
23128 KB |
Output is correct |
22 |
Correct |
7 ms |
23132 KB |
Output is correct |
23 |
Correct |
7 ms |
23644 KB |
Output is correct |
24 |
Correct |
7 ms |
23388 KB |
Output is correct |
25 |
Correct |
6 ms |
23388 KB |
Output is correct |
26 |
Correct |
7 ms |
23388 KB |
Output is correct |
27 |
Correct |
6 ms |
23380 KB |
Output is correct |
28 |
Correct |
8 ms |
23388 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
23128 KB |
Output is correct |
2 |
Correct |
6 ms |
23128 KB |
Output is correct |
3 |
Correct |
7 ms |
22968 KB |
Output is correct |
4 |
Correct |
6 ms |
23388 KB |
Output is correct |
5 |
Correct |
7 ms |
23588 KB |
Output is correct |
6 |
Correct |
7 ms |
23388 KB |
Output is correct |
7 |
Correct |
6 ms |
23388 KB |
Output is correct |
8 |
Correct |
7 ms |
23252 KB |
Output is correct |
9 |
Correct |
7 ms |
23132 KB |
Output is correct |
10 |
Correct |
6 ms |
23388 KB |
Output is correct |
11 |
Correct |
7 ms |
23600 KB |
Output is correct |
12 |
Correct |
7 ms |
23388 KB |
Output is correct |
13 |
Correct |
6 ms |
23412 KB |
Output is correct |
14 |
Correct |
7 ms |
23388 KB |
Output is correct |
15 |
Correct |
7 ms |
23384 KB |
Output is correct |
16 |
Correct |
7 ms |
23132 KB |
Output is correct |
17 |
Correct |
7 ms |
23644 KB |
Output is correct |
18 |
Correct |
7 ms |
23384 KB |
Output is correct |
19 |
Correct |
7 ms |
23440 KB |
Output is correct |
20 |
Correct |
7 ms |
23316 KB |
Output is correct |
21 |
Correct |
6 ms |
23128 KB |
Output is correct |
22 |
Correct |
7 ms |
23132 KB |
Output is correct |
23 |
Correct |
7 ms |
23644 KB |
Output is correct |
24 |
Correct |
7 ms |
23388 KB |
Output is correct |
25 |
Correct |
6 ms |
23388 KB |
Output is correct |
26 |
Correct |
7 ms |
23388 KB |
Output is correct |
27 |
Correct |
6 ms |
23380 KB |
Output is correct |
28 |
Correct |
8 ms |
23388 KB |
Output is correct |
29 |
Correct |
133 ms |
51860 KB |
Output is correct |
30 |
Correct |
134 ms |
51280 KB |
Output is correct |
31 |
Correct |
137 ms |
47824 KB |
Output is correct |
32 |
Correct |
119 ms |
90960 KB |
Output is correct |
33 |
Correct |
132 ms |
73044 KB |
Output is correct |
34 |
Correct |
100 ms |
59476 KB |
Output is correct |
35 |
Correct |
54 ms |
35152 KB |
Output is correct |
36 |
Correct |
126 ms |
53204 KB |
Output is correct |
37 |
Correct |
138 ms |
51872 KB |
Output is correct |
38 |
Correct |
132 ms |
92500 KB |
Output is correct |
39 |
Correct |
126 ms |
75140 KB |
Output is correct |
40 |
Correct |
123 ms |
58732 KB |
Output is correct |
41 |
Correct |
107 ms |
49744 KB |
Output is correct |
42 |
Correct |
60 ms |
41716 KB |
Output is correct |
43 |
Correct |
125 ms |
63056 KB |
Output is correct |
44 |
Correct |
144 ms |
93012 KB |
Output is correct |
45 |
Correct |
119 ms |
74832 KB |
Output is correct |
46 |
Correct |
108 ms |
62044 KB |
Output is correct |
47 |
Correct |
111 ms |
49700 KB |
Output is correct |
48 |
Correct |
134 ms |
49396 KB |
Output is correct |
49 |
Correct |
148 ms |
51264 KB |
Output is correct |
50 |
Correct |
143 ms |
93008 KB |
Output is correct |
51 |
Correct |
79 ms |
58964 KB |
Output is correct |
52 |
Correct |
121 ms |
59076 KB |
Output is correct |
53 |
Correct |
68 ms |
47184 KB |
Output is correct |
54 |
Correct |
127 ms |
49472 KB |
Output is correct |
55 |
Correct |
141 ms |
51496 KB |
Output is correct |
56 |
Correct |
137 ms |
93008 KB |
Output is correct |
57 |
Correct |
149 ms |
73304 KB |
Output is correct |
58 |
Correct |
118 ms |
58960 KB |
Output is correct |
59 |
Correct |
110 ms |
58188 KB |
Output is correct |
60 |
Correct |
143 ms |
49568 KB |
Output is correct |
61 |
Correct |
128 ms |
61780 KB |
Output is correct |
62 |
Correct |
123 ms |
60364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
23128 KB |
Output is correct |
2 |
Correct |
6 ms |
23128 KB |
Output is correct |
3 |
Correct |
7 ms |
22968 KB |
Output is correct |
4 |
Correct |
6 ms |
23388 KB |
Output is correct |
5 |
Correct |
7 ms |
23588 KB |
Output is correct |
6 |
Correct |
7 ms |
23388 KB |
Output is correct |
7 |
Correct |
6 ms |
23388 KB |
Output is correct |
8 |
Correct |
7 ms |
23252 KB |
Output is correct |
9 |
Correct |
7 ms |
23132 KB |
Output is correct |
10 |
Correct |
6 ms |
23388 KB |
Output is correct |
11 |
Correct |
7 ms |
23600 KB |
Output is correct |
12 |
Correct |
7 ms |
23388 KB |
Output is correct |
13 |
Correct |
6 ms |
23412 KB |
Output is correct |
14 |
Correct |
7 ms |
23388 KB |
Output is correct |
15 |
Correct |
7 ms |
23384 KB |
Output is correct |
16 |
Correct |
7 ms |
23132 KB |
Output is correct |
17 |
Correct |
7 ms |
23644 KB |
Output is correct |
18 |
Correct |
7 ms |
23384 KB |
Output is correct |
19 |
Correct |
7 ms |
23440 KB |
Output is correct |
20 |
Correct |
7 ms |
23316 KB |
Output is correct |
21 |
Correct |
6 ms |
23128 KB |
Output is correct |
22 |
Correct |
7 ms |
23132 KB |
Output is correct |
23 |
Correct |
7 ms |
23644 KB |
Output is correct |
24 |
Correct |
7 ms |
23388 KB |
Output is correct |
25 |
Correct |
6 ms |
23388 KB |
Output is correct |
26 |
Correct |
7 ms |
23388 KB |
Output is correct |
27 |
Correct |
6 ms |
23380 KB |
Output is correct |
28 |
Correct |
8 ms |
23388 KB |
Output is correct |
29 |
Correct |
6 ms |
23128 KB |
Output is correct |
30 |
Correct |
7 ms |
23388 KB |
Output is correct |
31 |
Correct |
7 ms |
23388 KB |
Output is correct |
32 |
Correct |
7 ms |
23388 KB |
Output is correct |
33 |
Correct |
6 ms |
23376 KB |
Output is correct |
34 |
Correct |
7 ms |
23388 KB |
Output is correct |
35 |
Correct |
6 ms |
23388 KB |
Output is correct |
36 |
Correct |
6 ms |
23388 KB |
Output is correct |
37 |
Correct |
6 ms |
23384 KB |
Output is correct |
38 |
Correct |
6 ms |
23388 KB |
Output is correct |
39 |
Correct |
8 ms |
23128 KB |
Output is correct |
40 |
Correct |
6 ms |
23388 KB |
Output is correct |
41 |
Correct |
8 ms |
23408 KB |
Output is correct |
42 |
Correct |
8 ms |
23388 KB |
Output is correct |
43 |
Correct |
6 ms |
23388 KB |
Output is correct |
44 |
Correct |
7 ms |
23384 KB |
Output is correct |
45 |
Correct |
7 ms |
23128 KB |
Output is correct |
46 |
Correct |
6 ms |
23388 KB |
Output is correct |
47 |
Correct |
7 ms |
23388 KB |
Output is correct |
48 |
Correct |
7 ms |
23388 KB |
Output is correct |
49 |
Correct |
7 ms |
23492 KB |
Output is correct |
50 |
Correct |
7 ms |
23388 KB |
Output is correct |
51 |
Correct |
7 ms |
23336 KB |
Output is correct |
52 |
Correct |
6 ms |
23408 KB |
Output is correct |
53 |
Correct |
7 ms |
23384 KB |
Output is correct |
54 |
Correct |
7 ms |
23304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
259 ms |
93688 KB |
Output is correct |
2 |
Correct |
222 ms |
67408 KB |
Output is correct |
3 |
Correct |
185 ms |
49740 KB |
Output is correct |
4 |
Correct |
124 ms |
58192 KB |
Output is correct |
5 |
Correct |
102 ms |
68688 KB |
Output is correct |
6 |
Correct |
136 ms |
55636 KB |
Output is correct |
7 |
Correct |
239 ms |
75856 KB |
Output is correct |
8 |
Correct |
195 ms |
49740 KB |
Output is correct |
9 |
Correct |
119 ms |
66128 KB |
Output is correct |
10 |
Correct |
102 ms |
69456 KB |
Output is correct |
11 |
Correct |
287 ms |
99888 KB |
Output is correct |
12 |
Correct |
223 ms |
83540 KB |
Output is correct |
13 |
Correct |
258 ms |
88376 KB |
Output is correct |
14 |
Correct |
6 ms |
23128 KB |
Output is correct |
15 |
Correct |
6 ms |
23128 KB |
Output is correct |
16 |
Correct |
7 ms |
22968 KB |
Output is correct |
17 |
Correct |
6 ms |
23388 KB |
Output is correct |
18 |
Correct |
7 ms |
23588 KB |
Output is correct |
19 |
Correct |
7 ms |
23388 KB |
Output is correct |
20 |
Correct |
6 ms |
23388 KB |
Output is correct |
21 |
Correct |
7 ms |
23252 KB |
Output is correct |
22 |
Correct |
7 ms |
23132 KB |
Output is correct |
23 |
Correct |
6 ms |
23388 KB |
Output is correct |
24 |
Correct |
7 ms |
23600 KB |
Output is correct |
25 |
Correct |
7 ms |
23388 KB |
Output is correct |
26 |
Correct |
6 ms |
23412 KB |
Output is correct |
27 |
Correct |
7 ms |
23388 KB |
Output is correct |
28 |
Correct |
7 ms |
23384 KB |
Output is correct |
29 |
Correct |
7 ms |
23132 KB |
Output is correct |
30 |
Correct |
7 ms |
23644 KB |
Output is correct |
31 |
Correct |
7 ms |
23384 KB |
Output is correct |
32 |
Correct |
7 ms |
23440 KB |
Output is correct |
33 |
Correct |
7 ms |
23316 KB |
Output is correct |
34 |
Correct |
6 ms |
23128 KB |
Output is correct |
35 |
Correct |
7 ms |
23132 KB |
Output is correct |
36 |
Correct |
7 ms |
23644 KB |
Output is correct |
37 |
Correct |
7 ms |
23388 KB |
Output is correct |
38 |
Correct |
6 ms |
23388 KB |
Output is correct |
39 |
Correct |
7 ms |
23388 KB |
Output is correct |
40 |
Correct |
6 ms |
23380 KB |
Output is correct |
41 |
Correct |
8 ms |
23388 KB |
Output is correct |
42 |
Correct |
133 ms |
51860 KB |
Output is correct |
43 |
Correct |
134 ms |
51280 KB |
Output is correct |
44 |
Correct |
137 ms |
47824 KB |
Output is correct |
45 |
Correct |
119 ms |
90960 KB |
Output is correct |
46 |
Correct |
132 ms |
73044 KB |
Output is correct |
47 |
Correct |
100 ms |
59476 KB |
Output is correct |
48 |
Correct |
54 ms |
35152 KB |
Output is correct |
49 |
Correct |
126 ms |
53204 KB |
Output is correct |
50 |
Correct |
138 ms |
51872 KB |
Output is correct |
51 |
Correct |
132 ms |
92500 KB |
Output is correct |
52 |
Correct |
126 ms |
75140 KB |
Output is correct |
53 |
Correct |
123 ms |
58732 KB |
Output is correct |
54 |
Correct |
107 ms |
49744 KB |
Output is correct |
55 |
Correct |
60 ms |
41716 KB |
Output is correct |
56 |
Correct |
125 ms |
63056 KB |
Output is correct |
57 |
Correct |
144 ms |
93012 KB |
Output is correct |
58 |
Correct |
119 ms |
74832 KB |
Output is correct |
59 |
Correct |
108 ms |
62044 KB |
Output is correct |
60 |
Correct |
111 ms |
49700 KB |
Output is correct |
61 |
Correct |
134 ms |
49396 KB |
Output is correct |
62 |
Correct |
148 ms |
51264 KB |
Output is correct |
63 |
Correct |
143 ms |
93008 KB |
Output is correct |
64 |
Correct |
79 ms |
58964 KB |
Output is correct |
65 |
Correct |
121 ms |
59076 KB |
Output is correct |
66 |
Correct |
68 ms |
47184 KB |
Output is correct |
67 |
Correct |
127 ms |
49472 KB |
Output is correct |
68 |
Correct |
141 ms |
51496 KB |
Output is correct |
69 |
Correct |
137 ms |
93008 KB |
Output is correct |
70 |
Correct |
149 ms |
73304 KB |
Output is correct |
71 |
Correct |
118 ms |
58960 KB |
Output is correct |
72 |
Correct |
110 ms |
58188 KB |
Output is correct |
73 |
Correct |
143 ms |
49568 KB |
Output is correct |
74 |
Correct |
128 ms |
61780 KB |
Output is correct |
75 |
Correct |
123 ms |
60364 KB |
Output is correct |
76 |
Correct |
6 ms |
23128 KB |
Output is correct |
77 |
Correct |
7 ms |
23388 KB |
Output is correct |
78 |
Correct |
7 ms |
23388 KB |
Output is correct |
79 |
Correct |
7 ms |
23388 KB |
Output is correct |
80 |
Correct |
6 ms |
23376 KB |
Output is correct |
81 |
Correct |
7 ms |
23388 KB |
Output is correct |
82 |
Correct |
6 ms |
23388 KB |
Output is correct |
83 |
Correct |
6 ms |
23388 KB |
Output is correct |
84 |
Correct |
6 ms |
23384 KB |
Output is correct |
85 |
Correct |
6 ms |
23388 KB |
Output is correct |
86 |
Correct |
8 ms |
23128 KB |
Output is correct |
87 |
Correct |
6 ms |
23388 KB |
Output is correct |
88 |
Correct |
8 ms |
23408 KB |
Output is correct |
89 |
Correct |
8 ms |
23388 KB |
Output is correct |
90 |
Correct |
6 ms |
23388 KB |
Output is correct |
91 |
Correct |
7 ms |
23384 KB |
Output is correct |
92 |
Correct |
7 ms |
23128 KB |
Output is correct |
93 |
Correct |
6 ms |
23388 KB |
Output is correct |
94 |
Correct |
7 ms |
23388 KB |
Output is correct |
95 |
Correct |
7 ms |
23388 KB |
Output is correct |
96 |
Correct |
7 ms |
23492 KB |
Output is correct |
97 |
Correct |
7 ms |
23388 KB |
Output is correct |
98 |
Correct |
7 ms |
23336 KB |
Output is correct |
99 |
Correct |
6 ms |
23408 KB |
Output is correct |
100 |
Correct |
7 ms |
23384 KB |
Output is correct |
101 |
Correct |
7 ms |
23304 KB |
Output is correct |
102 |
Correct |
277 ms |
88448 KB |
Output is correct |
103 |
Correct |
237 ms |
74832 KB |
Output is correct |
104 |
Correct |
201 ms |
53844 KB |
Output is correct |
105 |
Correct |
190 ms |
49216 KB |
Output is correct |
106 |
Correct |
129 ms |
70736 KB |
Output is correct |
107 |
Correct |
97 ms |
59476 KB |
Output is correct |
108 |
Correct |
270 ms |
97644 KB |
Output is correct |
109 |
Correct |
105 ms |
46416 KB |
Output is correct |
110 |
Correct |
185 ms |
57156 KB |
Output is correct |
111 |
Correct |
198 ms |
55124 KB |
Output is correct |
112 |
Correct |
189 ms |
46676 KB |
Output is correct |
113 |
Correct |
123 ms |
58960 KB |
Output is correct |
114 |
Correct |
105 ms |
70828 KB |
Output is correct |
115 |
Correct |
101 ms |
49052 KB |
Output is correct |
116 |
Correct |
251 ms |
90456 KB |
Output is correct |
117 |
Correct |
221 ms |
63040 KB |
Output is correct |
118 |
Correct |
205 ms |
52920 KB |
Output is correct |
119 |
Correct |
183 ms |
46176 KB |
Output is correct |
120 |
Correct |
121 ms |
61012 KB |
Output is correct |
121 |
Correct |
100 ms |
58380 KB |
Output is correct |
122 |
Correct |
320 ms |
105632 KB |
Output is correct |
123 |
Correct |
262 ms |
86864 KB |
Output is correct |
124 |
Correct |
200 ms |
61044 KB |
Output is correct |
125 |
Correct |
211 ms |
54612 KB |
Output is correct |
126 |
Correct |
198 ms |
49744 KB |
Output is correct |
127 |
Correct |
65 ms |
39480 KB |
Output is correct |
128 |
Correct |
42 ms |
41044 KB |
Output is correct |
129 |
Correct |
313 ms |
105724 KB |
Output is correct |
130 |
Correct |
243 ms |
87120 KB |
Output is correct |
131 |
Correct |
236 ms |
70992 KB |
Output is correct |
132 |
Correct |
186 ms |
53072 KB |
Output is correct |
133 |
Correct |
180 ms |
49744 KB |
Output is correct |
134 |
Correct |
129 ms |
70832 KB |
Output is correct |
135 |
Correct |
97 ms |
65360 KB |
Output is correct |
136 |
Correct |
273 ms |
99668 KB |
Output is correct |
137 |
Correct |
293 ms |
101712 KB |
Output is correct |