CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:Mariia
Submission time:2023-11-03 17:21:12 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#20.00 s1, 2details
#30.00 s1, 2details
#40.12 s2details
#50.12 s2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.10 s2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.12 s2details
#100.00 s1, 2details
#110.11 s2details
#120.00 s1, 2details
#130.12 s2details

Code

#include <iostream>
#include <vector>

using namespace std;

int n;
vector<vector<int>> g;

vector<int> a;

int c;

void dfs(int v) {
    if (a[v] > c) {
        c = a[v];
    }
    for (int u : g[v]) {
        dfs(u);
    }
}

int main() {
    cin >> n;
    g.resize(n);
    for (int i = 0; i < n - 1; i++) {
        int u, v; cin >> u >> v;
        g[u - 1].push_back(v - 1);
    }
    a.resize(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    int ANS = 0;
    for (int v : g[0]) {
        c = -1e9;
        dfs(v);
        ANS += c;
    }
    cout << ANS;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
5
1 2
1 3
3 4
3 5
...

correct output
6

user output
6

Test 2

Group: 1, 2

Verdict:

input
100
1 73
1 64
64 23
1 88
...

correct output
2675

user output
275

Test 3

Group: 1, 2

Verdict:

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
385

Test 4

Group: 2

Verdict:

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

correct output
28399367694319

user output
-85780141

Test 5

Group: 2

Verdict:

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

correct output
28546840313799

user output
-588077926

Test 6

Group: 1, 2

Verdict: ACCEPTED

input
100
1 79
79 9
79 45
45 10
...

correct output
0

user output
0

Test 7

Group: 2

Verdict: ACCEPTED

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

correct output
0

user output
0

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
100
1 2
2 3
3 4
4 5
...

correct output
100

user output
100

Test 9

Group: 2

Verdict: ACCEPTED

input
100000
1 2
2 3
3 4
4 5
...

correct output
1000000000

user output
1000000000

Test 10

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
2809

user output
200

Test 11

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
26053917212428

user output
1999972859

Test 12

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
5000

user output
200

Test 13

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
2000000000