#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define all(x) (x).begin(),(x).end()
#define X first
#define Y second
#define sep ' '
#define endl '\n'
#define debug(x) cerr << #x << ": " << x << endl;
const ll MAXN = 5e3 + 10;
int n, H[MAXN], C[MAXN];
ll dp[MAXN][MAXN], sum;
vector<int> adj[MAXN], vec;
void dfs(int v) {
for (int u : adj[v]) {
dfs(u);
for (int i = 1; i <= n; i++) {
dp[v][i] += dp[u][i];
}
}
dp[v][H[v]] += C[v];
for (int i = n - 1; i > 0; i--)
dp[v][i] = max(dp[v][i], dp[v][i + 1]);
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> n;
for (int i = 1; i <= n; i++) {
int p;
cin >> p;
if (i > 1) adj[p].push_back(i);
cin >> H[i] >> C[i];
vec.push_back(H[i]);
sum += C[i];
}
sort(all(vec));
for (int i = 1; i <= n; i++)
H[i] = lower_bound(all(vec), H[i]) - vec.begin() + 1;
dfs(1);
cout << sum - dp[1][1] << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
440 KB |
Output is correct |
4 |
Correct |
1 ms |
460 KB |
Output is correct |
5 |
Correct |
202 ms |
196604 KB |
Output is correct |
6 |
Correct |
183 ms |
196804 KB |
Output is correct |
7 |
Correct |
184 ms |
196640 KB |
Output is correct |
8 |
Correct |
198 ms |
196668 KB |
Output is correct |
9 |
Correct |
191 ms |
196752 KB |
Output is correct |
10 |
Correct |
188 ms |
196692 KB |
Output is correct |
11 |
Correct |
196 ms |
196688 KB |
Output is correct |
12 |
Correct |
172 ms |
197204 KB |
Output is correct |
13 |
Correct |
168 ms |
197188 KB |
Output is correct |
14 |
Correct |
170 ms |
197008 KB |
Output is correct |
15 |
Correct |
181 ms |
197004 KB |
Output is correct |
16 |
Correct |
201 ms |
196648 KB |
Output is correct |
17 |
Correct |
186 ms |
196660 KB |
Output is correct |
18 |
Correct |
201 ms |
196824 KB |
Output is correct |
19 |
Correct |
184 ms |
196912 KB |
Output is correct |
20 |
Correct |
183 ms |
196908 KB |
Output is correct |
21 |
Correct |
195 ms |
196932 KB |
Output is correct |
22 |
Correct |
199 ms |
196700 KB |
Output is correct |
23 |
Correct |
203 ms |
196652 KB |
Output is correct |
24 |
Correct |
186 ms |
196908 KB |
Output is correct |
25 |
Correct |
189 ms |
196936 KB |
Output is correct |
26 |
Correct |
168 ms |
197188 KB |
Output is correct |
27 |
Correct |
196 ms |
196976 KB |
Output is correct |
28 |
Correct |
185 ms |
196976 KB |
Output is correct |
29 |
Correct |
174 ms |
197064 KB |
Output is correct |
30 |
Correct |
171 ms |
196972 KB |
Output is correct |
31 |
Correct |
177 ms |
197012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
440 KB |
Output is correct |
4 |
Correct |
1 ms |
460 KB |
Output is correct |
5 |
Correct |
202 ms |
196604 KB |
Output is correct |
6 |
Correct |
183 ms |
196804 KB |
Output is correct |
7 |
Correct |
184 ms |
196640 KB |
Output is correct |
8 |
Correct |
198 ms |
196668 KB |
Output is correct |
9 |
Correct |
191 ms |
196752 KB |
Output is correct |
10 |
Correct |
188 ms |
196692 KB |
Output is correct |
11 |
Correct |
196 ms |
196688 KB |
Output is correct |
12 |
Correct |
172 ms |
197204 KB |
Output is correct |
13 |
Correct |
168 ms |
197188 KB |
Output is correct |
14 |
Correct |
170 ms |
197008 KB |
Output is correct |
15 |
Correct |
181 ms |
197004 KB |
Output is correct |
16 |
Correct |
201 ms |
196648 KB |
Output is correct |
17 |
Correct |
186 ms |
196660 KB |
Output is correct |
18 |
Correct |
201 ms |
196824 KB |
Output is correct |
19 |
Correct |
184 ms |
196912 KB |
Output is correct |
20 |
Correct |
183 ms |
196908 KB |
Output is correct |
21 |
Correct |
195 ms |
196932 KB |
Output is correct |
22 |
Correct |
199 ms |
196700 KB |
Output is correct |
23 |
Correct |
203 ms |
196652 KB |
Output is correct |
24 |
Correct |
186 ms |
196908 KB |
Output is correct |
25 |
Correct |
189 ms |
196936 KB |
Output is correct |
26 |
Correct |
168 ms |
197188 KB |
Output is correct |
27 |
Correct |
196 ms |
196976 KB |
Output is correct |
28 |
Correct |
185 ms |
196976 KB |
Output is correct |
29 |
Correct |
174 ms |
197064 KB |
Output is correct |
30 |
Correct |
171 ms |
196972 KB |
Output is correct |
31 |
Correct |
177 ms |
197012 KB |
Output is correct |
32 |
Correct |
193 ms |
196700 KB |
Output is correct |
33 |
Runtime error |
7 ms |
1196 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
440 KB |
Output is correct |
4 |
Correct |
1 ms |
460 KB |
Output is correct |
5 |
Correct |
202 ms |
196604 KB |
Output is correct |
6 |
Correct |
183 ms |
196804 KB |
Output is correct |
7 |
Correct |
184 ms |
196640 KB |
Output is correct |
8 |
Correct |
198 ms |
196668 KB |
Output is correct |
9 |
Correct |
191 ms |
196752 KB |
Output is correct |
10 |
Correct |
188 ms |
196692 KB |
Output is correct |
11 |
Correct |
196 ms |
196688 KB |
Output is correct |
12 |
Correct |
172 ms |
197204 KB |
Output is correct |
13 |
Correct |
168 ms |
197188 KB |
Output is correct |
14 |
Correct |
170 ms |
197008 KB |
Output is correct |
15 |
Correct |
181 ms |
197004 KB |
Output is correct |
16 |
Correct |
201 ms |
196648 KB |
Output is correct |
17 |
Correct |
186 ms |
196660 KB |
Output is correct |
18 |
Correct |
201 ms |
196824 KB |
Output is correct |
19 |
Correct |
184 ms |
196912 KB |
Output is correct |
20 |
Correct |
183 ms |
196908 KB |
Output is correct |
21 |
Correct |
195 ms |
196932 KB |
Output is correct |
22 |
Correct |
199 ms |
196700 KB |
Output is correct |
23 |
Correct |
203 ms |
196652 KB |
Output is correct |
24 |
Correct |
186 ms |
196908 KB |
Output is correct |
25 |
Correct |
189 ms |
196936 KB |
Output is correct |
26 |
Correct |
168 ms |
197188 KB |
Output is correct |
27 |
Correct |
196 ms |
196976 KB |
Output is correct |
28 |
Correct |
185 ms |
196976 KB |
Output is correct |
29 |
Correct |
174 ms |
197064 KB |
Output is correct |
30 |
Correct |
171 ms |
196972 KB |
Output is correct |
31 |
Correct |
177 ms |
197012 KB |
Output is correct |
32 |
Correct |
193 ms |
196700 KB |
Output is correct |
33 |
Runtime error |
7 ms |
1196 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |