Submission #982697

#	Time	Username	Problem	Language	Result	Execution time	Memory
982697		vjudge1	Game (APIO22_game)	C++17	12 / 100	4054 ms	12760 KiB

game

#include "game.h"
#include <bits/stdc++.h>
#define rep(a,b,c) for(int a=b; a<c; a++)
#define repa(a,b) for(auto a:b)
#define fi first
#define se second
#define pii pair<int, int>
#define ll long long
#define pb push_back

using namespace std;

int N, K;
const int lim=5e5+5;
vector<int> adj[lim];
bool ans=false, vis[lim];

void init(int n, int k) {
	N=n; K=k;
}

void dfs(int u, int r){
	vis[u]=true;
	repa(v,adj[u]){
		if(!vis[v]) dfs(v,r);
		if(v==r || ans){
			ans=true;
			return;
		}
	}
	if(u<K-1) dfs(u+1,r); 
}

int add_teleporter(int u, int v) {
	adj[u].pb(v);
	if(ans) return 1;
	rep(i,0,K){
		fill(vis,vis+N,false);
		dfs(i,i);
	}
	return ans;
}

• Subtask 1: 2 / 2
• Subtask 2: 10 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 30
• Subtask 5: 0 / 40