Submission #983068

#	Time	Username	Problem	Language	Result	Execution time	Memory
983068		Muhammad_Aneeq	Game (APIO22_game)	C++17	0 / 100	4 ms	14424 KiB

game

// #include "game.h"
#include <vector>
#include <set>
using namespace std;
int N,K;
int const MAXN=300000+10;
set<int>nei[MAXN]={};
bool vis[MAXN]={};
int cur=1;
void init(int n, int k) 
{
  N=n,K=k;
  for (int i=0;i<k-1;i++)
    nei[i].insert(i+1);
}
bool check_cycle(int n)
{
  vis[n]=1;
  for (auto i:nei[n])
  {
    if (vis[i]==cur&&i<K)
      return 1;
    if (vis[i])
      continue;
    if (check_cycle(i))
      return 1;
  }
  return 0;
}
int add_teleporter(int u, int v) 
{
  nei[u].insert(v);
  for (int i=0;i<K;i++)
  {
    if (vis[i]==0&&check_cycle) 
      return 1;
    cur++;
  }
  return 0;
}

Compilation message (stderr)

game.cpp: In function 'int add_teleporter(int, int)':
game.cpp:35:20: warning: the address of 'bool check_cycle(int)' will never be NULL [-Waddress]
   35 |     if (vis[i]==0&&check_cycle)
      |                    ^~~~~~~~~~~

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