Submission #1225133

#	Time	Username	Problem	Language	Result	Execution time	Memory
1225133		KALARRY	Game (APIO22_game)	C++20	2 / 100	3 ms	7452 KiB

game

//chockolateman

// #include "game.h"
#include<bits/stdc++.h>

using namespace std;

int N,K;
vector<int> adj_rev[300005];
int col[300005];

void dfs(int v,int c)
{
    for(auto u : adj_rev[v])
    {
      if(c < col[u])
      {
        col[u] = c;
        dfs(u,c);
      }
    }
  }

void init(int n, int k) {
    N = n;
    K = k;
    for(int i = 0 ; i < N ; i++)
      col[i] = 1e9;
    for(int i = 0 ; i < N ; i++)
        adj_rev[i].clear();
    for(int i = 0 ; i < k-1 ; i++)
        adj_rev[i+1].push_back(i);
    for(int i = 0 ; i < k-1 ; i++)
      col[i] = i+1;
}

int add_teleporter(int u, int v) {
    bool ret = false;
    adj_rev[v].push_back(u);
    if(col[v] < K)
      dfs(v,col[v]);
    if(v < K)
        dfs(v,v);
    for(int i = 0 ; i < K ; i++)
        ret |= (col[i] <= i);
    return ret;
}

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