Submission #572655

#	Time	Username	Problem	Language	Result	Execution time	Memory
572655		Plurm	Game (APIO22_game)	C++17	0 / 100	0 ms	208 KiB

game

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

vector<int> g[1024];

int n, k;
void init(int n, int k) {
  ::n = n;
  ::k = k;
  for (int i = 0; i < k - 1; i++) {
    g[i].push_back(i + 1);
  }
}

int color[1024];
bool dfs(int i) {
  if (color[i] == 2)
    return true;
  if (color[i] == 1)
    return i < k;
  color[i] = 1;
  for (int j : g[i]) {
    if (!dfs(j))
      return false;
  }
  color[i] = 2;
  return true;
}

int add_teleporter(int u, int v) {
  memset(color, 0, sizeof(color));
  g[u].push_back(v);
  bool ok = dfs(0);
  return ok ? 0 : 1;
}

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