Submission #577353

#	Time	Username	Problem	Language	Result	Execution time	Memory
577353		handlename	Game (APIO22_game)	C++17	30 / 100	4035 ms	9112 KiB

game

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
const int MOD=1e9+7;
int n,k;
vector<int> adj[300001];
bool work;
bool vis[300001];
void init(int N,int K){
	n=N;
	k=K;
	work=false;
	for (int i=0;i<k-1;i++){
		adj[i].pb(i+1);
	}
}
void dfs(int x,int ori){
	if (x==ori) work=true;
	if (work) return;
	if (vis[x]) return;
	vis[x]=true;
	for (auto i:adj[x]){
		dfs(i,ori);
	}
}
int add_teleporter(int u,int v){
	adj[u].pb(v);
	for (int i=0;i<n;i++) vis[i]=false;
	for (int i=k-1;i>=0;i--){
		for (auto j:adj[i]){
			dfs(j,i);
			if (work) return 1;
		}
	}
	return 0;
}

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