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Submission #898747

# Submission time Handle Problem Language Result Execution time Memory
898747 2024-01-05T05:22:52 Z vjudge1 Magic Tree (CEOI19_magictree) C++17
0 / 100
 2000 ms 4696 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long int
#define pb push_back
#define mp make_pair
#define pii pair<int, int>
#define all(x) x.begin(), x.end()
#define u_map unordered_map
const int maxn = 1e3 + 5, mod = 1e9 + 7;

vector<int> adj[maxn];
int d[maxn], w[maxn], dp[maxn][maxn], sum;
int n, m, k;

void sfd(int v, int x) {
	if (d[v] == x)
		sum += w[v];
	for (int u: adj[v]) {
		sfd(u, x);
	}
}

void dfs(int v) {
	for (int u: adj[v]) {
		dfs(u);
	}
	for (int i = k; i >= 1; i--) {
		sum = 0;
		sfd(v, i);
		int mus = 0;
		for (int u: adj[v]) {
			mus += dp[u][i];
		}
		dp[v][i] = max({sum, mus, dp[v][i + 1]});
	}
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin >> n >> m >> k;
    for (int i = 2; i <= n; i++) {
    	int p;
    	cin >> p;
    	adj[p].pb(i);
    }
    for (int i = 1; i <= m; i++) {
    	int _v, _d, _w;
    	cin >> _v >> _d >> _w;
    	d[_v] = _d;
    	w[_v] = _w;
    }
    dfs(1);
    cout << dp[1][1];
    return 0;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2056 ms 4088 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 4696 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -