Submission #982766

#	Time	Username	Problem	Language	Result	Execution time	Memory
982766		alo_54	Game (APIO22_game)	C++17	0 / 100	0 ms	344 KiB

game

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

struct Nodo
{
  vector <int> ady;
  bool special = false;

};

vector <Nodo> g;
vector <bool> vis;
bool acPos = false;

int dfs(int node, bool isSpecial)
{
  //cout<<"call "<<node<<endl;

  vis[node] = true;

  if (g[node].special)
  {
    isSpecial = true;
  }

  int resp = 0;
  

  for (auto i : g[node].ady)
  {
    //cout<<"check "<<i<<endl;
    if (!vis[i])
    {
      return dfs(i, isSpecial);
    }else
    {
      if (isSpecial)
      {
        resp = 1;
      }
    }
  }

  return resp;


}

void init(int n, int k) 
{
  vis.resize(n);
  g.resize(n);

  for (int i = 0; i < n; i++)
  {
    g[i].special = false;
  }
  
  for (int i = 0; i < k; i++)
  {
    g[i].special = true;
    
    if (i != k - 1)
    {
      g[i].ady.push_back(i + 1);
    }
    
  }
  
}

int add_teleporter(int u, int v) 
{
  fill(vis.begin(), vis.end(), false);
  g[u].ady.push_back(v);
  //cout<<"."<<g[u].ady.back()<<endl;

  int resp = 0;

  resp = dfs(u, false);

  if (resp == true)
  {
    acPos = true;
  }

  if (acPos)
  {
    resp = true;
  
  }
  
  
  return resp;
}

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