Submission #1160252

#	Time	Username	Problem	Language	Result	Execution time	Memory
1160252		mentalmath231	September (APIO24_september)	C++20	0 / 100	2 ms	3140 KiB

september

#include <bits/stdc++.h>
using namespace std; 
typedef long long ll;
int cnt = 0;
vector<int> visited(100002,0);
vector<vector<int>> kid(100002,vector<int>());
void dfs(int x){
	if (visited[x]){return;}
	else{
		for (auto i: kid[x]){
			cnt +=1;
			visited[i] = 1;
			dfs(i);
		}
	}
}
int solve(int n, int m, vector<int> f,  vector<vector<int>> s) {
	int ans = 0;
	for (int i =1; i<n; i++){
		kid[f[i]].push_back(i);
	}
	for (int i =0; i<n; i++){
		dfs(s[0][i]);
		if (cnt == i+1){
			ans +=1;
		}
	}
	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