#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n,m,q;
cin >> n >> m >> q;
vector<int> arr(n+1);
for(int i=1;i<=n;i++)cin>>arr[i];
vector<vector<int>> adj(n+1);
for(int i=1;i<n;i++){
int a,b;
cin >> a >> b;
adj[a].emplace_back(b);
adj[b].emplace_back(a);
}
int ans = 0;
int currmax = 0;
function<void(int,int,int)> dfs = [&](int x,int p,int curr){
ans+=arr[p];
curr+=arr[p];
curr-=arr[x];
currmax=max(currmax,-curr);
for(int&i:adj[x])if(i!=p)dfs(i,x,curr);
};
dfs(1,0,arr[1]);
cout << ans+currmax << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
56 ms |
34844 KB |
Output is correct |
3 |
Correct |
59 ms |
34900 KB |
Output is correct |
4 |
Correct |
55 ms |
34712 KB |
Output is correct |
5 |
Correct |
60 ms |
34644 KB |
Output is correct |
6 |
Correct |
57 ms |
34648 KB |
Output is correct |
7 |
Correct |
56 ms |
34640 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
56 ms |
34844 KB |
Output is correct |
3 |
Correct |
59 ms |
34900 KB |
Output is correct |
4 |
Correct |
55 ms |
34712 KB |
Output is correct |
5 |
Correct |
60 ms |
34644 KB |
Output is correct |
6 |
Correct |
57 ms |
34648 KB |
Output is correct |
7 |
Correct |
56 ms |
34640 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
60 ms |
34696 KB |
Output is correct |
11 |
Correct |
62 ms |
34716 KB |
Output is correct |
12 |
Correct |
64 ms |
34656 KB |
Output is correct |
13 |
Correct |
59 ms |
34640 KB |
Output is correct |
14 |
Correct |
59 ms |
34644 KB |
Output is correct |
15 |
Correct |
58 ms |
34784 KB |
Output is correct |
16 |
Correct |
60 ms |
34848 KB |
Output is correct |
17 |
Correct |
63 ms |
34640 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
56 ms |
34844 KB |
Output is correct |
3 |
Correct |
59 ms |
34900 KB |
Output is correct |
4 |
Correct |
55 ms |
34712 KB |
Output is correct |
5 |
Correct |
60 ms |
34644 KB |
Output is correct |
6 |
Correct |
57 ms |
34648 KB |
Output is correct |
7 |
Correct |
56 ms |
34640 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
60 ms |
34696 KB |
Output is correct |
11 |
Correct |
62 ms |
34716 KB |
Output is correct |
12 |
Correct |
64 ms |
34656 KB |
Output is correct |
13 |
Correct |
59 ms |
34640 KB |
Output is correct |
14 |
Correct |
59 ms |
34644 KB |
Output is correct |
15 |
Correct |
58 ms |
34784 KB |
Output is correct |
16 |
Correct |
60 ms |
34848 KB |
Output is correct |
17 |
Correct |
63 ms |
34640 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
79 ms |
27620 KB |
Output is correct |
20 |
Correct |
90 ms |
22356 KB |
Output is correct |
21 |
Correct |
67 ms |
14088 KB |
Output is correct |
22 |
Correct |
68 ms |
14160 KB |
Output is correct |
23 |
Correct |
59 ms |
14672 KB |
Output is correct |
24 |
Correct |
59 ms |
14932 KB |
Output is correct |
25 |
Correct |
66 ms |
14412 KB |
Output is correct |
26 |
Correct |
57 ms |
14396 KB |
Output is correct |
27 |
Correct |
49 ms |
14532 KB |
Output is correct |
28 |
Correct |
75 ms |
28648 KB |
Output is correct |
29 |
Correct |
72 ms |
23824 KB |
Output is correct |
30 |
Correct |
57 ms |
17352 KB |
Output is correct |
31 |
Correct |
50 ms |
14528 KB |
Output is correct |
32 |
Correct |
57 ms |
14544 KB |
Output is correct |
33 |
Correct |
68 ms |
15184 KB |
Output is correct |
34 |
Correct |
71 ms |
14076 KB |
Output is correct |
35 |
Correct |
72 ms |
14932 KB |
Output is correct |
36 |
Correct |
63 ms |
14932 KB |
Output is correct |
37 |
Correct |
66 ms |
14928 KB |
Output is correct |
38 |
Correct |
73 ms |
22272 KB |
Output is correct |
39 |
Correct |
66 ms |
24516 KB |
Output is correct |
40 |
Correct |
71 ms |
18496 KB |
Output is correct |
41 |
Correct |
91 ms |
33876 KB |
Output is correct |
42 |
Correct |
88 ms |
34224 KB |
Output is correct |
43 |
Correct |
67 ms |
14192 KB |
Output is correct |
44 |
Correct |
68 ms |
14160 KB |
Output is correct |
45 |
Correct |
62 ms |
14060 KB |
Output is correct |
46 |
Correct |
72 ms |
13952 KB |
Output is correct |
47 |
Correct |
65 ms |
14160 KB |
Output is correct |
48 |
Correct |
71 ms |
14000 KB |
Output is correct |
49 |
Correct |
67 ms |
13980 KB |
Output is correct |
50 |
Correct |
67 ms |
14176 KB |
Output is correct |
51 |
Correct |
62 ms |
14160 KB |
Output is correct |
52 |
Correct |
61 ms |
14160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
56 ms |
34844 KB |
Output is correct |
3 |
Correct |
59 ms |
34900 KB |
Output is correct |
4 |
Correct |
55 ms |
34712 KB |
Output is correct |
5 |
Correct |
60 ms |
34644 KB |
Output is correct |
6 |
Correct |
57 ms |
34648 KB |
Output is correct |
7 |
Correct |
56 ms |
34640 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
60 ms |
34696 KB |
Output is correct |
11 |
Correct |
62 ms |
34716 KB |
Output is correct |
12 |
Correct |
64 ms |
34656 KB |
Output is correct |
13 |
Correct |
59 ms |
34640 KB |
Output is correct |
14 |
Correct |
59 ms |
34644 KB |
Output is correct |
15 |
Correct |
58 ms |
34784 KB |
Output is correct |
16 |
Correct |
60 ms |
34848 KB |
Output is correct |
17 |
Correct |
63 ms |
34640 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
79 ms |
27620 KB |
Output is correct |
20 |
Correct |
90 ms |
22356 KB |
Output is correct |
21 |
Correct |
67 ms |
14088 KB |
Output is correct |
22 |
Correct |
68 ms |
14160 KB |
Output is correct |
23 |
Correct |
59 ms |
14672 KB |
Output is correct |
24 |
Correct |
59 ms |
14932 KB |
Output is correct |
25 |
Correct |
66 ms |
14412 KB |
Output is correct |
26 |
Correct |
57 ms |
14396 KB |
Output is correct |
27 |
Correct |
49 ms |
14532 KB |
Output is correct |
28 |
Correct |
75 ms |
28648 KB |
Output is correct |
29 |
Correct |
72 ms |
23824 KB |
Output is correct |
30 |
Correct |
57 ms |
17352 KB |
Output is correct |
31 |
Correct |
50 ms |
14528 KB |
Output is correct |
32 |
Correct |
57 ms |
14544 KB |
Output is correct |
33 |
Correct |
68 ms |
15184 KB |
Output is correct |
34 |
Correct |
71 ms |
14076 KB |
Output is correct |
35 |
Correct |
72 ms |
14932 KB |
Output is correct |
36 |
Correct |
63 ms |
14932 KB |
Output is correct |
37 |
Correct |
66 ms |
14928 KB |
Output is correct |
38 |
Correct |
73 ms |
22272 KB |
Output is correct |
39 |
Correct |
66 ms |
24516 KB |
Output is correct |
40 |
Correct |
71 ms |
18496 KB |
Output is correct |
41 |
Correct |
91 ms |
33876 KB |
Output is correct |
42 |
Correct |
88 ms |
34224 KB |
Output is correct |
43 |
Correct |
67 ms |
14192 KB |
Output is correct |
44 |
Correct |
68 ms |
14160 KB |
Output is correct |
45 |
Correct |
62 ms |
14060 KB |
Output is correct |
46 |
Correct |
72 ms |
13952 KB |
Output is correct |
47 |
Correct |
65 ms |
14160 KB |
Output is correct |
48 |
Correct |
71 ms |
14000 KB |
Output is correct |
49 |
Correct |
67 ms |
13980 KB |
Output is correct |
50 |
Correct |
67 ms |
14176 KB |
Output is correct |
51 |
Correct |
62 ms |
14160 KB |
Output is correct |
52 |
Correct |
61 ms |
14160 KB |
Output is correct |
53 |
Correct |
0 ms |
348 KB |
Output is correct |
54 |
Runtime error |
803 ms |
1048576 KB |
Execution killed with signal 9 |
55 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
56 ms |
34844 KB |
Output is correct |
3 |
Correct |
59 ms |
34900 KB |
Output is correct |
4 |
Correct |
55 ms |
34712 KB |
Output is correct |
5 |
Correct |
60 ms |
34644 KB |
Output is correct |
6 |
Correct |
57 ms |
34648 KB |
Output is correct |
7 |
Correct |
56 ms |
34640 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
60 ms |
34696 KB |
Output is correct |
11 |
Correct |
62 ms |
34716 KB |
Output is correct |
12 |
Correct |
64 ms |
34656 KB |
Output is correct |
13 |
Correct |
59 ms |
34640 KB |
Output is correct |
14 |
Correct |
59 ms |
34644 KB |
Output is correct |
15 |
Correct |
58 ms |
34784 KB |
Output is correct |
16 |
Correct |
60 ms |
34848 KB |
Output is correct |
17 |
Correct |
63 ms |
34640 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
79 ms |
27620 KB |
Output is correct |
20 |
Correct |
90 ms |
22356 KB |
Output is correct |
21 |
Correct |
67 ms |
14088 KB |
Output is correct |
22 |
Correct |
68 ms |
14160 KB |
Output is correct |
23 |
Correct |
59 ms |
14672 KB |
Output is correct |
24 |
Correct |
59 ms |
14932 KB |
Output is correct |
25 |
Correct |
66 ms |
14412 KB |
Output is correct |
26 |
Correct |
57 ms |
14396 KB |
Output is correct |
27 |
Correct |
49 ms |
14532 KB |
Output is correct |
28 |
Correct |
75 ms |
28648 KB |
Output is correct |
29 |
Correct |
72 ms |
23824 KB |
Output is correct |
30 |
Correct |
57 ms |
17352 KB |
Output is correct |
31 |
Correct |
50 ms |
14528 KB |
Output is correct |
32 |
Correct |
57 ms |
14544 KB |
Output is correct |
33 |
Correct |
68 ms |
15184 KB |
Output is correct |
34 |
Correct |
71 ms |
14076 KB |
Output is correct |
35 |
Correct |
72 ms |
14932 KB |
Output is correct |
36 |
Correct |
63 ms |
14932 KB |
Output is correct |
37 |
Correct |
66 ms |
14928 KB |
Output is correct |
38 |
Correct |
73 ms |
22272 KB |
Output is correct |
39 |
Correct |
66 ms |
24516 KB |
Output is correct |
40 |
Correct |
71 ms |
18496 KB |
Output is correct |
41 |
Correct |
91 ms |
33876 KB |
Output is correct |
42 |
Correct |
88 ms |
34224 KB |
Output is correct |
43 |
Correct |
67 ms |
14192 KB |
Output is correct |
44 |
Correct |
68 ms |
14160 KB |
Output is correct |
45 |
Correct |
62 ms |
14060 KB |
Output is correct |
46 |
Correct |
72 ms |
13952 KB |
Output is correct |
47 |
Correct |
65 ms |
14160 KB |
Output is correct |
48 |
Correct |
71 ms |
14000 KB |
Output is correct |
49 |
Correct |
67 ms |
13980 KB |
Output is correct |
50 |
Correct |
67 ms |
14176 KB |
Output is correct |
51 |
Correct |
62 ms |
14160 KB |
Output is correct |
52 |
Correct |
61 ms |
14160 KB |
Output is correct |
53 |
Correct |
0 ms |
348 KB |
Output is correct |
54 |
Runtime error |
803 ms |
1048576 KB |
Execution killed with signal 9 |
55 |
Halted |
0 ms |
0 KB |
- |