CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:drvilepis
Submission time:2023-10-31 00:33:47 +0200
Language:C++ (C++20)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED53
#2ACCEPTED47
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#4ACCEPTED0.04 s2details
#5ACCEPTED0.04 s2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.03 s2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.04 s2details
#10ACCEPTED0.00 s1, 2details
#11ACCEPTED0.04 s2details
#12ACCEPTED0.00 s1, 2details
#13ACCEPTED0.04 s2details

Code

#include <ios>
#include <iostream>
#include <vector>
int main() {
std::ios_base::sync_with_stdio(0);
std::cin.tie(0);
long rinteet;
std::cin >> rinteet;
std::vector<std::pair<long, long>> paths;
paths.resize(rinteet);
std::vector<std::pair<long, long>> huiput;
huiput.resize(rinteet+1);
for (long i = 0; i < rinteet-1; ++i) {
long n1;
long n2;
std::cin >> n1 >> n2;
paths[i] = std::pair(n2, n1);
}
for (long i = 0; i < rinteet; ++i) {
long n;
std::cin >> n;
huiput[i+1] = std::pair(n, 0);
}
for (long i = paths.size(); i >= 0; i--) {
auto path = paths[i];
huiput[path.second].second += std::max(huiput[path.first].first, huiput[path.first].second);
}
std::cout << std::max(huiput[1].second, huiput[1].first);
}

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: ACCEPTED

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

correct output
28399367694319

user output
28399367694319

Test 5

Group: 2

Verdict: ACCEPTED

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

correct output
28546840313799

user output
28546840313799

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: ACCEPTED

input
100000
1 2
1 3
2 4
2 5
...

correct output
26053917212428

user output
26053917212428

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: ACCEPTED

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
50000000000000