Submission #740955

#	Time	Username	Problem	Language	Result	Execution time	Memory
740955		dubabuba	Game (APIO22_game)	C++17	0 / 100	14 ms	8476 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;

typedef pair<int, int> pii;
#define ff first
#define ss second
#define MP make_pair

const int mxn = 3e5 + 10;
vector<int> adj[mxn];
int n, k, vis[mxn];

bool dfs(int u) {
	vis[u] = 2;
	for(int v : adj[u]) {
		if(vis[v] == 2) return 1;
		bool e = 0;
		if(!vis[v])
			e = dfs(v);
		if(e) return 1;
	}
	vis[u] = 1;
	return 0;
}

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

int add_teleporter(int u, int v) {
	adj[u].push_back(v);
	memset(vis, 0, sizeof vis);
	for(int i = 0; i < k; i++)
	if(dfs(i))
		return 1;
	return 0;
}

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