Submission #998968

#	Time	Username	Problem	Language	Result	Execution time	Memory
998968		THXuan	September (APIO24_september)	C++17	0 / 100	4 ms	19804 KiB

september

#include <bits/stdc++.h>
#include "september.h"
#include <bits/stdc++.h>
#define INF 1e18
using namespace std;
typedef long long ll;
 
vector<int>adj[800005];
bool visited[800005];
int v = 0;
 
void dfs(int s, int e){
    if(visited[s]) return;
    visited[s] = true;
    ++v;
    for(auto u : adj[s]){
        if(u==e) continue;
        dfs(u, s);
    }
}
 
int solve(int N, int M, vector<int> F, vector<vector<int>>S) {
    for(int i =1; i < N;i++){
        adj[i].push_back(F[i]);
        adj[F[i]].push_back(i);
    }
    int ans = 0;
    for(int i =0;i<N-1;i++){
        for(int j =0;j<M;j++)dfs(S[j][i], -1);
        ans += !--v;
    }
    return ans;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 14
• Subtask 3: 0 / 5
• Subtask 4: 0 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 11
• Subtask 7: 0 / 9
• Subtask 8: 0 / 11
• Subtask 9: 0 / 9
• Subtask 10: 0 / 16