oj.uz

답안 #896227

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
896227 2024-01-01T03:28:30 Z 8pete8 Magic Tree (CEOI19_magictree) C++17
34 / 100
 50 ms 34608 KB 
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<float.h>
#include<limits.h>
#include <cassert>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric> //gcd(a,b)
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
using namespace std;
#define int long long
#define double long double
const int mod=998244353,mxn=1e5,lg=22;//inf=1e18,minf=-1e18,Mxn=100000;
vector<int>adj[mxn+10];
int dp[mxn+10][22];
pii info[mxn+10];
int n,m,k;
void dfs(int cur,int p){
	for(auto i:adj[cur])dfs(i,cur);
	for(auto i:adj[cur])for(int j=0;j<=k;j++)dp[cur][j]+=dp[i][j];
	dp[cur][info[cur].f]+=info[cur].s;
	for(int j=1;j<=k;j++)dp[cur][j]=max(dp[cur][j],dp[cur][j-1]);
}
int32_t main(){
    fastio
	cin>>n>>m>>k;
	if(k>20)return 0;//sub 1,4,5
	//if work->small to large to op?
	for(int i=2;i<=n;i++){
		int p;cin>>p;
		adj[p].pb(i);
	}
	for(int i=0;i<m;i++){
		int v,d,w;cin>>v>>d>>w;
		info[v]={d,w};
	}
	dfs(1,-1);
	int ans=0;
	for(int i=0;i<=k;i++)ans=max(ans,dp[1][i]);
	cout<<ans;
	return 0;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4996 KB Output is correct
5 Correct 1 ms 4952 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4952 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct

Subtask #2
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 2908 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 25564 KB Output is correct
2 Correct 38 ms 25428 KB Output is correct
3 Correct 35 ms 29392 KB Output is correct
4 Correct 24 ms 24012 KB Output is correct
5 Correct 33 ms 34608 KB Output is correct

Subtask #5
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4996 KB Output is correct
5 Correct 1 ms 4952 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4952 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Correct 50 ms 24808 KB Output is correct
11 Correct 43 ms 24660 KB Output is correct
12 Correct 43 ms 28572 KB Output is correct
13 Correct 24 ms 23508 KB Output is correct
14 Correct 35 ms 33924 KB Output is correct

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4996 KB Output is correct
5 Correct 1 ms 4952 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4952 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Incorrect 1 ms 2904 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #8
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4996 KB Output is correct
5 Correct 1 ms 4952 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4952 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Incorrect 1 ms 2908 KB Output isn't correct
11 Halted 0 ms 0 KB -