Task: | Laskettelukeskus |
Sender: | kitchent |
Submission time: | 2023-11-01 13:21:03 +0200 |
Language: | C++ (C++11) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 53 |
#2 | ACCEPTED | 47 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.01 s | 1, 2 | details |
#2 | ACCEPTED | 0.01 s | 1, 2 | details |
#3 | ACCEPTED | 0.01 s | 1, 2 | details |
#4 | ACCEPTED | 0.06 s | 2 | details |
#5 | ACCEPTED | 0.05 s | 2 | details |
#6 | ACCEPTED | 0.01 s | 1, 2 | details |
#7 | ACCEPTED | 0.05 s | 2 | details |
#8 | ACCEPTED | 0.01 s | 1, 2 | details |
#9 | ACCEPTED | 0.05 s | 2 | details |
#10 | ACCEPTED | 0.01 s | 1, 2 | details |
#11 | ACCEPTED | 0.04 s | 2 | details |
#12 | ACCEPTED | 0.01 s | 1, 2 | details |
#13 | ACCEPTED | 0.04 s | 2 | details |
Code
#include <iostream>#include <bits/stdc++.h>using namespace std;typedef unsigned long long ll;const int N = 100007;int n;ll c[N];int parent[N];vector<int> child[N];vector<int> lst;int states[N] = {0};ll cnt[N];bool dfs(int s) {if (states[s] == 1) return false;if (states[s] == 0)states[s] = 1;if (states[s] == 1) {for (auto u: child[s]) {if (dfs(u) == false)return false;}lst.push_back(s);}states[s] = 2;return true;}int main() {ios_base::sync_with_stdio(false);cin.tie(0);cin >> n;int a, b;for (int i=1; i<n; i++) {cin >> a >> b;child[a].push_back(b);parent[b] = a;}for (int i=1; i<=n; i++) {cin >> c[i];}parent[1] = 0;dfs(1);for (auto curr: lst) {if (c[curr] > cnt[curr])cnt[curr] = c[curr];cnt[parent[curr]] += cnt[curr];}cout << cnt[1] << "\n";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 |