Submission #965320

#	Time	Username	Problem	Language	Result	Execution time	Memory
965320		pcc	Cell Automaton (JOI23_cell)	C++17	4 / 100	8031 ms	32600 KiB

cell

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

#define pii pair<int,int>
#define fs first
#define sc second

const int mxn = 2020;
const int sh = mxn>>1;
int arr[mxn][mxn],brr[mxn][mxn];
int N,Q;
int req[mxn];
pii dir[] = {{-1,0},{1,0},{0,1},{0,-1}};

void move(){
	memset(brr,0,sizeof(brr));
	for(int i = 0;i<mxn;i++){
		for(int j = 0;j<mxn;j++){
			if(arr[i][j] == 2)brr[i][j] = 0;
			else if(arr[i][j] == 1){
				brr[i][j] = 2;
				for(auto &d:dir){
					if(arr[i+d.fs][j+d.sc] != 2&&arr[i+d.fs][j+d.sc] != 1)brr[i+d.fs][j+d.sc] = 1;
				}
			}
		}
	}
	for(int i = 0;i<mxn;i++){
		for(int j = 0;j<mxn;j++)arr[i][j] = brr[i][j];
	}
	return;
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>Q;
	for(int i = 0;i<N;i++){
		int r,c;
		cin>>r>>c;
		arr[r+sh][c+sh] = 1;
	}
	int t = 0;
	while(Q--){
		int k;
		cin>>k;
		while(t<k){
			t++;
			move();
		}
		int ans = 0;
		for(auto &i:arr){
			for(auto &j:i)ans += (j == 1);
		}
		cout<<ans<<'\n';
		/*
		for(auto &i:arr){
			for(auto &j:i)cout<<j;cout<<endl;
		}cout<<endl;
	   */
	}
	return 0;
}

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