Submission #1190556

#	Time	Username	Problem	Language	Result	Execution time	Memory
1190556		Dedibeat	Cell Automaton (JOI23_cell)	C++20	16 / 100	8102 ms	413616 KiB

cell

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
template<typename T, typename U>
ostream &operator<<(ostream &os, const pair<T, U> &p)
{
    return os << "(" << p.first << "," << p.second << ")";
}
template<typename T>
void print(T v)
{
    for(auto x : v)
        cout << x << " ";
    cout << "\n";
}
int main()
{
    int N, Q;
    cin >> N >> Q;
    set<pair<int, int>> black, gray;
    for(int i = 0; i < N; i++)
    {
        int x, y;
        cin >> x >> y;
        black.insert({x, y});
    }
    
    vector<int> ans(1005, 0);
    for(int i = 0; i <= 1000; i++)
    {
      //  cout << "at " << i << "\n";
      //  print(black);
     //   print(gray);
        ans[i] = black.size();
        set<pair<int, int>> tmp1, tmp2;
        for(auto [x, y] : black)
        {

            if(!gray.count({x - 1, y}) && !black.count({x - 1, y})) tmp1.insert({x - 1, y});
            if(!gray.count({x + 1, y}) && !black.count({x + 1, y})) tmp1.insert({x + 1, y});
            if(!gray.count({x, y - 1}) && !black.count({x, y - 1})) tmp1.insert({x, y - 1});
            if(!gray.count({x, y + 1}) && !black.count({x, y + 1})) tmp1.insert({x, y + 1});
            tmp2.insert({x, y});
        }
        black = tmp1;
        gray = tmp2;
    }
    for(int i = 0; i < Q; i++)
    {
        int x;
        cin >> x;
        cout << ans[x] << "\n";
    }
}

• Subtask 1: 4 / 4
• Subtask 2: 12 / 12
• Subtask 3: 0 / 8
• Subtask 4: 0 / 8
• Subtask 5: 0 / 17
• Subtask 6: 0 / 25
• Subtask 7: 0 / 26