CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:stpn129
Submission time:2023-10-30 15:45:22 +0200
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED53
#2ACCEPTED47
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2details
#2ACCEPTED0.01 s1, 2details
#3ACCEPTED0.01 s1, 2details
#4ACCEPTED0.05 s2details
#5ACCEPTED0.05 s2details
#6ACCEPTED0.01 s1, 2details
#7ACCEPTED0.05 s2details
#8ACCEPTED0.01 s1, 2details
#9ACCEPTED0.05 s2details
#10ACCEPTED0.01 s1, 2details
#11ACCEPTED0.04 s2details
#12ACCEPTED0.01 s1, 2details
#13ACCEPTED0.04 s2details

Code

#include <bits/stdc++.h>
#define int long long
using namespace std;
void init_code() {
ios_base::sync_with_stdio(0);
cin.tie(0);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
}
const int MAXN = 1e5 + 1;
vector<int> g[MAXN + 1];
vector<int> c(MAXN + 1, 0);
int dfs(int v) {
int s = 0;
for (auto i : g[v]) {
s += dfs(i);
}
return max(c[v], s);
}
void solve() {
for (int i = 0; i <= MAXN; ++i) {
g[i].clear();
}
int n;
cin >> n;
for (int i = 1; i <= n - 1; ++i) {
int a, b;
cin >> a >> b;
g[a].push_back(b);
}
for (int i = 1; i <= n; ++i) {
cin >> c[i];
}
int res = dfs(1);
cout << res << '\n';
}
signed main() {
init_code();
int t = 1;
// cin >> t;
while (t--) {
solve();
}
return 0;
}

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