#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, m, k; cin>>n>>m>>k;
vector<int> g[n + 1];
for (int i = 2; i <= n; i++){
int p; cin>>p;
g[p].pb(i);
}
vector<int> d(n + 1), w(n + 1);
for (int i = 1; i <= m; i++){
int u, x, y; cin>>u>>x>>y;
d[u] = x; w[u] = y;
}
vector<vector<ll>> dp(n + 1, vector<ll>(k + 1));
function<void(int)> solve = [&](int v){
for (int i: g[v]){
solve(i);
}
for (int i = 1; i <= k; i++){
for (int j: g[v]){
dp[v][i] += dp[j][i];
}
}
if (w[v] != -1){
ll S = w[v];
for (int j: g[v]){
S += dp[j][d[v]];
}
for (int i = d[v]; i <= k; i++){
dp[v][i] = max(dp[v][i], S);
}
}
};
solve(1);
cout<<dp[1][k]<<"\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
604 KB |
Output is correct |
6 |
Correct |
0 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
403 ms |
1048576 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
8280 KB |
Output is correct |
2 |
Correct |
5 ms |
8280 KB |
Output is correct |
3 |
Correct |
5 ms |
8284 KB |
Output is correct |
4 |
Runtime error |
410 ms |
1048576 KB |
Execution killed with signal 9 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
44 ms |
12636 KB |
Output is correct |
2 |
Correct |
39 ms |
13016 KB |
Output is correct |
3 |
Correct |
36 ms |
16976 KB |
Output is correct |
4 |
Correct |
30 ms |
11040 KB |
Output is correct |
5 |
Correct |
34 ms |
22108 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
604 KB |
Output is correct |
6 |
Correct |
0 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
54 ms |
26196 KB |
Output is correct |
11 |
Correct |
44 ms |
18208 KB |
Output is correct |
12 |
Correct |
55 ms |
30244 KB |
Output is correct |
13 |
Correct |
37 ms |
24536 KB |
Output is correct |
14 |
Correct |
43 ms |
35604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
418 ms |
1048576 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
604 KB |
Output is correct |
6 |
Correct |
0 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
6 ms |
8280 KB |
Output is correct |
11 |
Correct |
5 ms |
8280 KB |
Output is correct |
12 |
Correct |
5 ms |
8284 KB |
Output is correct |
13 |
Runtime error |
410 ms |
1048576 KB |
Execution killed with signal 9 |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
604 KB |
Output is correct |
6 |
Correct |
0 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Runtime error |
403 ms |
1048576 KB |
Execution killed with signal 9 |
11 |
Halted |
0 ms |
0 KB |
- |