CSES - Datatähti 2024 qualification mirror - Results
Submission details
Task:Laskettelukeskus
Sender:leh24
Submission time:2023-11-07 21:15:46 +0200
Language:C++ (C++20)
Status:READY
Result:53
Feedback
groupverdictscore
#1ACCEPTED53
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#40.13 s2details
#50.13 s2details
#6ACCEPTED0.01 s1, 2details
#7ACCEPTED0.10 s2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.13 s2details
#10ACCEPTED0.00 s1, 2details
#110.12 s2details
#12ACCEPTED0.00 s1, 2details
#130.12 s2details

Code

#include <bits/stdc++.h>
using namespace std;

int bfs(int cur, vector<int> & slopes, vector<vector<int>> & adj){
    if(adj[cur].size() == 0){
        return slopes[cur];
    }
    int sum = 0;
    for(auto & ad : adj[cur]){
        sum += bfs(ad, slopes, adj);
    }
    return max(slopes[cur], sum);
}

int main() {
    int n;
    cin >> n;
    vector<int> slopes(n);
    vector<vector<int>> adj(n);
    int a, b;
    for(int i =0; i < n-1; i++){
        cin >> a >> b;
        adj[a-1].push_back(b-1);
    }
    int c;
    for(int i =0; i < n; i++){
        cin >> c;
        slopes[i] = c;
    }
    cout << bfs(0, slopes, adj);
}

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: ACCEPTED

input
100
1 73
1 64
64 23
1 88
...

correct output
2675

user output
2675

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
2808

Test 4

Group: 2

Verdict:

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

correct output
28399367694319

user output
981018595

Test 5

Group: 2

Verdict:

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

correct output
28546840313799

user output
409055242

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: ACCEPTED

input
100
1 2
1 3
2 4
2 5
...

correct output
2809

user output
2809

Test 11

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
26053917212428

user output
19135575

Test 12

Group: 1, 2

Verdict: ACCEPTED

input
100
1 2
1 3
2 4
2 5
...

correct output
5000

user output
5000

Test 13

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
1000000000