Submission #982761

#	Time	Username	Problem	Language	Result	Execution time	Memory
982761		vjudge1	Game (APIO22_game)	C++17	60 / 100	4006 ms	25476 KiB

game

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

int vt[300003],N,K;
vector<int>ad[300003];

bool dfs(int u,int vl=-1){
  vt[u]=vl;
  for(auto v:ad[u]){
    if(v<=vl)return 1;
    if(vt[v]<vl)
      if(dfs(v,vl))return 1;
  }
  return 0;
}

void init(int n, int k) {
  N=n,K=k,vt[k-1]=k-1;
  for(int i=0;i<k-1;i++)
    vt[i]=i,ad[i].push_back(i+1);
  for(int i=k;i<n;i++)vt[i]=-1;
}

int add_teleporter(int u, int v){
  ad[u].push_back(v);
  int vl=vt[u];
  if(v<=vl)return 1;
  if(vt[v]<vl)return dfs(v,vt[u]);
  return 0;
}

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