Submission #998271

#	Time	Username	Problem	Language	Result	Execution time	Memory
998271		ttamx	September (APIO24_september)	C++17	100 / 100	152 ms	10928 KiB

september

#include<bits/stdc++.h>

using namespace std;
using vi = vector<int>;
 
int solve(int n,int m,vi f,vector<vi> s){
	vector<vi> adj(n);
	vi vis(n);
	for(int i=1;i<n;i++)adj[f[i]].emplace_back(i);
	int cnt=0;
	function<void(int)> dfs=[&](int u){
		if(vis[u])return;
		vis[u]=1,cnt++;
		for(auto v:adj[u])dfs(v);
	};
	int ans=0;
	for(int i=0;i<n-1;i++){
		for(int j=0;j<m;j++)dfs(s[j][i]);
		ans+=!--cnt;
	}
	return ans;
}

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