#include <bits/stdc++.h>
using namespace std;
const int nx=2e5+5;
#define ll long long
ll n, pa[nx], h[nx], c[nx];
vector<ll> d[nx];
map<ll, ll> mp[nx];
void dfs(int u)
{
mp[u][0]=c[u];
for (auto v:d[u])
{
dfs(v);
if (mp[v].size()>mp[u].size()) swap(mp[u], mp[v]);
for (auto [x, y]:mp[v]) mp[u][x]+=y;
}
mp[u][h[u]]+=0;
mp[u][h[u]+1]+=c[u];
auto itr=mp[u].find(h[u]);
ll sm=-c[u], lst=h[u];
while (1)
{
sm+=itr->second;
if (sm>=0) break;
itr=mp[u].erase(itr);
itr--;
}
mp[u][itr->first]=sm;
//cout<<"debug "<<u<<'\n';
//cout<<"mp ";
//for (auto x:mp[u]) cout<<x.first<<' '<<x.second<<'\n';
}
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n;
for (int i=1; i<=n; i++) cin>>pa[i]>>h[i]>>c[i];
for (int i=2; i<=n; i++) d[pa[i]].push_back(i);
dfs(1);
cout<<mp[1].begin()->second;
}
Compilation message
worst_reporter2.cpp: In function 'void dfs(int)':
worst_reporter2.cpp:25:18: warning: unused variable 'lst' [-Wunused-variable]
25 | ll sm=-c[u], lst=h[u];
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14428 KB |
Output is correct |
2 |
Correct |
6 ms |
14416 KB |
Output is correct |
3 |
Correct |
6 ms |
14428 KB |
Output is correct |
4 |
Correct |
6 ms |
14428 KB |
Output is correct |
5 |
Correct |
10 ms |
16100 KB |
Output is correct |
6 |
Correct |
10 ms |
15708 KB |
Output is correct |
7 |
Correct |
8 ms |
15288 KB |
Output is correct |
8 |
Correct |
11 ms |
16220 KB |
Output is correct |
9 |
Correct |
10 ms |
15708 KB |
Output is correct |
10 |
Correct |
9 ms |
15452 KB |
Output is correct |
11 |
Correct |
10 ms |
15196 KB |
Output is correct |
12 |
Correct |
9 ms |
15964 KB |
Output is correct |
13 |
Correct |
8 ms |
15808 KB |
Output is correct |
14 |
Correct |
8 ms |
15456 KB |
Output is correct |
15 |
Correct |
8 ms |
15592 KB |
Output is correct |
16 |
Correct |
10 ms |
16472 KB |
Output is correct |
17 |
Correct |
9 ms |
15892 KB |
Output is correct |
18 |
Correct |
9 ms |
15196 KB |
Output is correct |
19 |
Correct |
10 ms |
15708 KB |
Output is correct |
20 |
Correct |
9 ms |
15708 KB |
Output is correct |
21 |
Correct |
8 ms |
15452 KB |
Output is correct |
22 |
Correct |
8 ms |
15708 KB |
Output is correct |
23 |
Correct |
8 ms |
15452 KB |
Output is correct |
24 |
Correct |
9 ms |
15708 KB |
Output is correct |
25 |
Correct |
8 ms |
15736 KB |
Output is correct |
26 |
Correct |
10 ms |
16220 KB |
Output is correct |
27 |
Correct |
9 ms |
15708 KB |
Output is correct |
28 |
Correct |
10 ms |
15964 KB |
Output is correct |
29 |
Correct |
9 ms |
15964 KB |
Output is correct |
30 |
Correct |
10 ms |
15964 KB |
Output is correct |
31 |
Correct |
10 ms |
15844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14428 KB |
Output is correct |
2 |
Correct |
6 ms |
14416 KB |
Output is correct |
3 |
Correct |
6 ms |
14428 KB |
Output is correct |
4 |
Correct |
6 ms |
14428 KB |
Output is correct |
5 |
Correct |
10 ms |
16100 KB |
Output is correct |
6 |
Correct |
10 ms |
15708 KB |
Output is correct |
7 |
Correct |
8 ms |
15288 KB |
Output is correct |
8 |
Correct |
11 ms |
16220 KB |
Output is correct |
9 |
Correct |
10 ms |
15708 KB |
Output is correct |
10 |
Correct |
9 ms |
15452 KB |
Output is correct |
11 |
Correct |
10 ms |
15196 KB |
Output is correct |
12 |
Correct |
9 ms |
15964 KB |
Output is correct |
13 |
Correct |
8 ms |
15808 KB |
Output is correct |
14 |
Correct |
8 ms |
15456 KB |
Output is correct |
15 |
Correct |
8 ms |
15592 KB |
Output is correct |
16 |
Correct |
10 ms |
16472 KB |
Output is correct |
17 |
Correct |
9 ms |
15892 KB |
Output is correct |
18 |
Correct |
9 ms |
15196 KB |
Output is correct |
19 |
Correct |
10 ms |
15708 KB |
Output is correct |
20 |
Correct |
9 ms |
15708 KB |
Output is correct |
21 |
Correct |
8 ms |
15452 KB |
Output is correct |
22 |
Correct |
8 ms |
15708 KB |
Output is correct |
23 |
Correct |
8 ms |
15452 KB |
Output is correct |
24 |
Correct |
9 ms |
15708 KB |
Output is correct |
25 |
Correct |
8 ms |
15736 KB |
Output is correct |
26 |
Correct |
10 ms |
16220 KB |
Output is correct |
27 |
Correct |
9 ms |
15708 KB |
Output is correct |
28 |
Correct |
10 ms |
15964 KB |
Output is correct |
29 |
Correct |
9 ms |
15964 KB |
Output is correct |
30 |
Correct |
10 ms |
15964 KB |
Output is correct |
31 |
Correct |
10 ms |
15844 KB |
Output is correct |
32 |
Correct |
11 ms |
15984 KB |
Output is correct |
33 |
Correct |
294 ms |
94728 KB |
Output is correct |
34 |
Correct |
225 ms |
69972 KB |
Output is correct |
35 |
Correct |
290 ms |
91868 KB |
Output is correct |
36 |
Correct |
221 ms |
69852 KB |
Output is correct |
37 |
Correct |
152 ms |
51088 KB |
Output is correct |
38 |
Correct |
127 ms |
46420 KB |
Output is correct |
39 |
Correct |
156 ms |
71508 KB |
Output is correct |
40 |
Correct |
134 ms |
71252 KB |
Output is correct |
41 |
Correct |
103 ms |
71284 KB |
Output is correct |
42 |
Correct |
148 ms |
57168 KB |
Output is correct |
43 |
Correct |
129 ms |
57060 KB |
Output is correct |
44 |
Correct |
279 ms |
119344 KB |
Output is correct |
45 |
Correct |
208 ms |
83540 KB |
Output is correct |
46 |
Correct |
89 ms |
46048 KB |
Output is correct |
47 |
Correct |
206 ms |
67152 KB |
Output is correct |
48 |
Correct |
114 ms |
60156 KB |
Output is correct |
49 |
Correct |
90 ms |
60236 KB |
Output is correct |
50 |
Correct |
169 ms |
62404 KB |
Output is correct |
51 |
Correct |
99 ms |
50116 KB |
Output is correct |
52 |
Correct |
213 ms |
68288 KB |
Output is correct |
53 |
Correct |
117 ms |
61016 KB |
Output is correct |
54 |
Correct |
181 ms |
83796 KB |
Output is correct |
55 |
Correct |
168 ms |
69952 KB |
Output is correct |
56 |
Correct |
146 ms |
74752 KB |
Output is correct |
57 |
Correct |
135 ms |
77652 KB |
Output is correct |
58 |
Correct |
151 ms |
75168 KB |
Output is correct |
59 |
Correct |
151 ms |
75092 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14428 KB |
Output is correct |
2 |
Correct |
6 ms |
14416 KB |
Output is correct |
3 |
Correct |
6 ms |
14428 KB |
Output is correct |
4 |
Correct |
6 ms |
14428 KB |
Output is correct |
5 |
Correct |
10 ms |
16100 KB |
Output is correct |
6 |
Correct |
10 ms |
15708 KB |
Output is correct |
7 |
Correct |
8 ms |
15288 KB |
Output is correct |
8 |
Correct |
11 ms |
16220 KB |
Output is correct |
9 |
Correct |
10 ms |
15708 KB |
Output is correct |
10 |
Correct |
9 ms |
15452 KB |
Output is correct |
11 |
Correct |
10 ms |
15196 KB |
Output is correct |
12 |
Correct |
9 ms |
15964 KB |
Output is correct |
13 |
Correct |
8 ms |
15808 KB |
Output is correct |
14 |
Correct |
8 ms |
15456 KB |
Output is correct |
15 |
Correct |
8 ms |
15592 KB |
Output is correct |
16 |
Correct |
10 ms |
16472 KB |
Output is correct |
17 |
Correct |
9 ms |
15892 KB |
Output is correct |
18 |
Correct |
9 ms |
15196 KB |
Output is correct |
19 |
Correct |
10 ms |
15708 KB |
Output is correct |
20 |
Correct |
9 ms |
15708 KB |
Output is correct |
21 |
Correct |
8 ms |
15452 KB |
Output is correct |
22 |
Correct |
8 ms |
15708 KB |
Output is correct |
23 |
Correct |
8 ms |
15452 KB |
Output is correct |
24 |
Correct |
9 ms |
15708 KB |
Output is correct |
25 |
Correct |
8 ms |
15736 KB |
Output is correct |
26 |
Correct |
10 ms |
16220 KB |
Output is correct |
27 |
Correct |
9 ms |
15708 KB |
Output is correct |
28 |
Correct |
10 ms |
15964 KB |
Output is correct |
29 |
Correct |
9 ms |
15964 KB |
Output is correct |
30 |
Correct |
10 ms |
15964 KB |
Output is correct |
31 |
Correct |
10 ms |
15844 KB |
Output is correct |
32 |
Correct |
11 ms |
15984 KB |
Output is correct |
33 |
Correct |
294 ms |
94728 KB |
Output is correct |
34 |
Correct |
225 ms |
69972 KB |
Output is correct |
35 |
Correct |
290 ms |
91868 KB |
Output is correct |
36 |
Correct |
221 ms |
69852 KB |
Output is correct |
37 |
Correct |
152 ms |
51088 KB |
Output is correct |
38 |
Correct |
127 ms |
46420 KB |
Output is correct |
39 |
Correct |
156 ms |
71508 KB |
Output is correct |
40 |
Correct |
134 ms |
71252 KB |
Output is correct |
41 |
Correct |
103 ms |
71284 KB |
Output is correct |
42 |
Correct |
148 ms |
57168 KB |
Output is correct |
43 |
Correct |
129 ms |
57060 KB |
Output is correct |
44 |
Correct |
279 ms |
119344 KB |
Output is correct |
45 |
Correct |
208 ms |
83540 KB |
Output is correct |
46 |
Correct |
89 ms |
46048 KB |
Output is correct |
47 |
Correct |
206 ms |
67152 KB |
Output is correct |
48 |
Correct |
114 ms |
60156 KB |
Output is correct |
49 |
Correct |
90 ms |
60236 KB |
Output is correct |
50 |
Correct |
169 ms |
62404 KB |
Output is correct |
51 |
Correct |
99 ms |
50116 KB |
Output is correct |
52 |
Correct |
213 ms |
68288 KB |
Output is correct |
53 |
Correct |
117 ms |
61016 KB |
Output is correct |
54 |
Correct |
181 ms |
83796 KB |
Output is correct |
55 |
Correct |
168 ms |
69952 KB |
Output is correct |
56 |
Correct |
146 ms |
74752 KB |
Output is correct |
57 |
Correct |
135 ms |
77652 KB |
Output is correct |
58 |
Correct |
151 ms |
75168 KB |
Output is correct |
59 |
Correct |
151 ms |
75092 KB |
Output is correct |
60 |
Correct |
6 ms |
14428 KB |
Output is correct |
61 |
Incorrect |
6 ms |
14512 KB |
Output isn't correct |
62 |
Halted |
0 ms |
0 KB |
- |