CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:Verlet
Submission time:2023-11-03 14:14:21 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.00 s1, 2details
#20.00 s1, 2details
#30.41 s1, 2details
#40.13 s2details
#50.11 s2details
#60.41 s1, 2details
#70.49 s2details
#80.00 s1, 2details
#90.11 s2details
#100.41 s1, 2details
#110.11 s2details
#120.00 s1, 2details
#130.11 s2details

Code

#include <iostream>
#include <vector>

using namespace std;

struct Node {
  long data;
  vector<Node*> children;
};

vector<Node*> nodes;

Node create_node(long data)
{
  Node node;
  node.data = data;
  return node;
}

long eval(Node* root)
{
  if (root->children.size() == 0) return root->data;
  long sum = 0;
  for (Node* child : root->children)
  {
    sum += eval(child);
  }
  return max(root->data, sum);
}

int main()
{
  int n;

  cin >> n;

  int path_start[n-1];
  int path_end[n-1];

  for (int i = 0; i < n - 1; i++)
  {
    cin >> path_start[i];
    cin >> path_end[i];
  }

  int data[n];

  for (int i = 0; i < n; i++)
  {
    cin >> data[i];
  }

  for (int i = 0; i < n; i++)
  {
    Node node = create_node(data[i]);
    nodes.push_back(&node);
  }

  for (int i = 0; i < n - 1; i++)
  {
    nodes[path_start[i-1]]->children.push_back(nodes[path_end[i-1]]);
  }

  cout << eval(nodes[0]);
}

Test details

Test 1

Group: 1, 2

Verdict:

input
5
1 2
1 3
3 4
3 5
...

correct output
6

user output
(empty)

Test 2

Group: 1, 2

Verdict:

input
100
1 73
1 64
64 23
1 88
...

correct output
2675

user output
(empty)

Test 3

Group: 1, 2

Verdict:

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
(empty)

Test 4

Group: 2

Verdict:

input
100000
1 45452
1 74209
45452 78960
45452 79820
...

correct output
28399367694319

user output
(empty)

Test 5

Group: 2

Verdict:

input
100000
1 31165
1 23263
31165 89516
31165 53122
...

correct output
28546840313799

user output
(empty)

Test 6

Group: 1, 2

Verdict:

input
100
1 79
79 9
79 45
45 10
...

correct output
0

user output
(empty)

Test 7

Group: 2

Verdict:

input
100000
1 66038
1 56789
56789 7403
66038 69542
...

correct output
0

user output
(empty)

Test 8

Group: 1, 2

Verdict:

input
100
1 2
2 3
3 4
4 5
...

correct output
100

user output
(empty)

Test 9

Group: 2

Verdict:

input
100000
1 2
2 3
3 4
4 5
...

correct output
1000000000

user output
(empty)

Test 10

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
2809

user output
(empty)

Test 11

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
26053917212428

user output
(empty)

Test 12

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
5000

user output
(empty)

Test 13

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
(empty)