CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:Aino
Submission time:2023-10-30 12:42:03 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.00 s1, 2details
#20.00 s1, 2details
#30.00 s1, 2details
#40.07 s2details
#50.07 s2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.10 s2details
#80.00 s1, 2details
#90.07 s2details
#100.00 s1, 2details
#110.07 s2details
#120.00 s1, 2details
#130.07 s2details

Code

#include <bits/stdc++.h>

using namespace std;

int main(){
    long long int n, a, b, c, m, k=0;
    cin >> n;
    vector <pair <long long int, long long int>> v;
    long long int t[n], s[n]={0};
    for (long long int i=0; i<n; i++){
        cin >> a >> b;
        v.push_back ({b-1, a-1});
        s[a-1]++;
        s[b-1]++;
    }
    for (long long int i=0; i<n; i++){
        cin >> a;
        t[i]=a;
    }
    sort (v.begin(), v.end());
    for (long long int i=1; i<n; i++){
        if (s[i]!=1){
            continue;
        }
        c=i;
        m=t[i];
        while (c>0){
            c=v[c].second;
            m=max(m, t[c]);
        }
        k+=m;
    }
    cout << k;
}

Test details

Test 1

Group: 1, 2

Verdict:

input
5
1 2
1 3
3 4
3 5
...

correct output
6

user output
8

Test 2

Group: 1, 2

Verdict:

input
100
1 73
1 64
64 23
1 88
...

correct output
2675

user output
4346

Test 3

Group: 1, 2

Verdict:

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
4047

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: 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:

input
100
1 2
2 3
3 4
4 5
...

correct output
100

user output
0

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
4764

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
4900

Test 13

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
(empty)