#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll n,m,k,p[100005],i,u,w,d,sum;
vector<ll> v[100005];
pair<ll,ll> fruit[100005];
vector<vector<ll>> a;
void dfs(ll x){
ll d=fruit[x].first;
ll w=fruit[x].second;
a[x][d]=w;
for(int i:v[x]){
dfs(i);
for(int j=1;j<=k;j++){
a[x][j]+=a[i][j];
}
}
for(int i=2;i<=k;i++) a[x][i]=max(a[x][i-1],a[x][i]);
}
int main(){
cin >> n >> m >> k;
for(i=2;i<=n;i++){
cin >> p[i];
v[p[i]].push_back(i);
}
for(i=1;i<=m;i++){
cin >> u >> d >> w;
fruit[u]={d,w};
sum+=w;
}
if(k>20){
cout << sum;
return 0;
}
a=vector<vector<ll>> (n+1,vector<ll> (k+1,0));
dfs(1);
cout << a[1][k];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
45 ms |
7852 KB |
Output is correct |
2 |
Correct |
38 ms |
8340 KB |
Output is correct |
3 |
Correct |
83 ms |
8768 KB |
Output is correct |
4 |
Correct |
80 ms |
8060 KB |
Output is correct |
5 |
Correct |
96 ms |
8540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
85 ms |
12276 KB |
Output is correct |
2 |
Correct |
99 ms |
12368 KB |
Output is correct |
3 |
Correct |
90 ms |
14832 KB |
Output is correct |
4 |
Correct |
69 ms |
11148 KB |
Output is correct |
5 |
Correct |
88 ms |
18260 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
101 ms |
26452 KB |
Output is correct |
11 |
Correct |
85 ms |
18512 KB |
Output is correct |
12 |
Correct |
94 ms |
29012 KB |
Output is correct |
13 |
Correct |
69 ms |
25516 KB |
Output is correct |
14 |
Correct |
86 ms |
32692 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
6 ms |
5208 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
45 ms |
7852 KB |
Output is correct |
11 |
Correct |
38 ms |
8340 KB |
Output is correct |
12 |
Correct |
83 ms |
8768 KB |
Output is correct |
13 |
Correct |
80 ms |
8060 KB |
Output is correct |
14 |
Correct |
96 ms |
8540 KB |
Output is correct |
15 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |