#include <bits/stdc++.h>
using namespace std;
#include "deliveries.h"
vector<pair<int,long long> > adj[100005];
long long subsz[100005],arr[100005],ans;
void fsz(int x, int p){
subsz[x]=arr[x];
for(pair<int,long long> i:adj[x]){
if(i.first==p) continue;
fsz(i.first,x);
subsz[x]+=subsz[i.first];
}
}
void dfs(int x, int p){
for(pair<int,long long> i:adj[x]){
if(i.first==p) continue;
ans+=i.second*min(subsz[i.first],1+subsz[0]-subsz[i.first]);
dfs(i.first,x);
}
}
void init(int n, vector<int> u, vector<int> v, vector<int> t, vector<int> w){
for(int i=0; i<n-1; i++){
adj[u[i]].push_back({v[i],t[i]});
adj[v[i]].push_back({u[i],t[i]});
}
for(int i=0; i<n; i++){
arr[i]=w[i];
}
}
long long max_time(int s, int x){
arr[s]=x;
fsz(0,-1);
ans=0;
dfs(0,-1);
return ans*2ll;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
14108 KB |
Output is correct |
2 |
Correct |
89 ms |
13808 KB |
Output is correct |
3 |
Correct |
74 ms |
14092 KB |
Output is correct |
4 |
Correct |
75 ms |
14068 KB |
Output is correct |
5 |
Correct |
77 ms |
14184 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4188 KB |
Output is correct |
2 |
Correct |
11 ms |
4260 KB |
Output is correct |
3 |
Correct |
12 ms |
4188 KB |
Output is correct |
4 |
Correct |
15 ms |
4188 KB |
Output is correct |
5 |
Correct |
15 ms |
4336 KB |
Output is correct |
6 |
Correct |
17 ms |
4364 KB |
Output is correct |
7 |
Correct |
18 ms |
4188 KB |
Output is correct |
8 |
Correct |
16 ms |
4196 KB |
Output is correct |
9 |
Correct |
16 ms |
4360 KB |
Output is correct |
10 |
Correct |
16 ms |
4360 KB |
Output is correct |
11 |
Correct |
15 ms |
4184 KB |
Output is correct |
12 |
Correct |
15 ms |
4292 KB |
Output is correct |
13 |
Correct |
14 ms |
4188 KB |
Output is correct |
14 |
Correct |
20 ms |
4328 KB |
Output is correct |
15 |
Correct |
20 ms |
4188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
14108 KB |
Output is correct |
2 |
Correct |
89 ms |
13808 KB |
Output is correct |
3 |
Correct |
74 ms |
14092 KB |
Output is correct |
4 |
Correct |
75 ms |
14068 KB |
Output is correct |
5 |
Correct |
77 ms |
14184 KB |
Output is correct |
6 |
Correct |
2 ms |
4188 KB |
Output is correct |
7 |
Correct |
31 ms |
4344 KB |
Output is correct |
8 |
Correct |
3088 ms |
6248 KB |
Output is correct |
9 |
Execution timed out |
5586 ms |
20532 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
14108 KB |
Output is correct |
2 |
Correct |
89 ms |
13808 KB |
Output is correct |
3 |
Correct |
74 ms |
14092 KB |
Output is correct |
4 |
Correct |
75 ms |
14068 KB |
Output is correct |
5 |
Correct |
77 ms |
14184 KB |
Output is correct |
6 |
Correct |
2 ms |
4188 KB |
Output is correct |
7 |
Correct |
43 ms |
4188 KB |
Output is correct |
8 |
Correct |
4711 ms |
6932 KB |
Output is correct |
9 |
Execution timed out |
5577 ms |
27524 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
14108 KB |
Output is correct |
2 |
Correct |
89 ms |
13808 KB |
Output is correct |
3 |
Correct |
74 ms |
14092 KB |
Output is correct |
4 |
Correct |
75 ms |
14068 KB |
Output is correct |
5 |
Correct |
77 ms |
14184 KB |
Output is correct |
6 |
Correct |
3 ms |
4188 KB |
Output is correct |
7 |
Correct |
11 ms |
4260 KB |
Output is correct |
8 |
Correct |
12 ms |
4188 KB |
Output is correct |
9 |
Correct |
15 ms |
4188 KB |
Output is correct |
10 |
Correct |
15 ms |
4336 KB |
Output is correct |
11 |
Correct |
17 ms |
4364 KB |
Output is correct |
12 |
Correct |
18 ms |
4188 KB |
Output is correct |
13 |
Correct |
16 ms |
4196 KB |
Output is correct |
14 |
Correct |
16 ms |
4360 KB |
Output is correct |
15 |
Correct |
16 ms |
4360 KB |
Output is correct |
16 |
Correct |
15 ms |
4184 KB |
Output is correct |
17 |
Correct |
15 ms |
4292 KB |
Output is correct |
18 |
Correct |
14 ms |
4188 KB |
Output is correct |
19 |
Correct |
20 ms |
4328 KB |
Output is correct |
20 |
Correct |
20 ms |
4188 KB |
Output is correct |
21 |
Correct |
2 ms |
4188 KB |
Output is correct |
22 |
Correct |
31 ms |
4344 KB |
Output is correct |
23 |
Correct |
3088 ms |
6248 KB |
Output is correct |
24 |
Execution timed out |
5586 ms |
20532 KB |
Time limit exceeded |
25 |
Halted |
0 ms |
0 KB |
- |