#include <bits/stdc++.h>
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int n, m;
std::cin >> n;
std::vector<std::vector<int>> e(n);
for (int i = 0; i < n - 1; i++) {
int u, v;
std::cin >> u >> v;
u--;
v--;
e[u].push_back(v);
e[v].push_back(u);
}
std::cin >> m;
std::vector<std::vector<std::pair<int, int>>> q(n + 1);
for (int i = 0; i < m; i++) {
int u, v, c;
std::cin >> u >> v >> c;
if (u > v) std::swap(u, v);
q[v].emplace_back(u, c);
}
std::vector<int> dp(n + 1);
for (int i = 1; i <= n; i++) {
dp[i] = dp[i - 1];
for (auto [j, c] : q[i]) {
dp[i] = std::max(dp[i], dp[j - 1] + c);
}
}
std::cout << dp[n] << "\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
73 ms |
10068 KB |
Output is correct |
5 |
Correct |
73 ms |
10316 KB |
Output is correct |
6 |
Correct |
89 ms |
10448 KB |
Output is correct |
7 |
Correct |
69 ms |
10392 KB |
Output is correct |
8 |
Correct |
72 ms |
10464 KB |
Output is correct |
9 |
Correct |
75 ms |
10400 KB |
Output is correct |
10 |
Correct |
69 ms |
10312 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
73 ms |
10068 KB |
Output is correct |
5 |
Correct |
73 ms |
10316 KB |
Output is correct |
6 |
Correct |
89 ms |
10448 KB |
Output is correct |
7 |
Correct |
69 ms |
10392 KB |
Output is correct |
8 |
Correct |
72 ms |
10464 KB |
Output is correct |
9 |
Correct |
75 ms |
10400 KB |
Output is correct |
10 |
Correct |
69 ms |
10312 KB |
Output is correct |
11 |
Correct |
8 ms |
972 KB |
Output is correct |
12 |
Correct |
71 ms |
10376 KB |
Output is correct |
13 |
Correct |
71 ms |
10372 KB |
Output is correct |
14 |
Correct |
89 ms |
10468 KB |
Output is correct |
15 |
Correct |
87 ms |
10288 KB |
Output is correct |
16 |
Correct |
73 ms |
10552 KB |
Output is correct |
17 |
Correct |
72 ms |
10308 KB |
Output is correct |
18 |
Correct |
70 ms |
10308 KB |
Output is correct |
19 |
Correct |
71 ms |
10388 KB |
Output is correct |
20 |
Correct |
89 ms |
10296 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
77 ms |
10180 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |