CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:anotn
Submission time:2023-10-30 21:24:26 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#20.00 s1, 2details
#30.00 s1, 2details
#40.27 s2details
#50.27 s2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.25 s2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.22 s2details
#10ACCEPTED0.00 s1, 2details
#110.22 s2details
#12ACCEPTED0.00 s1, 2details
#130.23 s2details

Code

#include <iostream>
#include <vector>
#include <map>
using namespace std;

int main(){
    int n;
    cin >> n;
 
    map<int, vector<int>> routes;
    for(int i = 0; i < n-1; i++){
        int a, b;
        cin >> a >> b;
        routes[a].push_back(b);
    }
    map<int, int> times;
    for(int i = 1; i <= n; i++){
        int c;
        cin >> c;
        times[i] = c;
    }
    
    for(int i = n; i > 0; i--){
        int sum = 0;
        for(int c : routes[i])
            sum += times[c];
        times[i] = max(times[i], sum);
    }
    cout << times[1];
}

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
1043

Test 3

Group: 1, 2

Verdict:

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
1551

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