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Main1780.java
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Main1780.java
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class Main1780 {
public static void main(String[] args) throws NumberFormatException, IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
int[][] map = new int[N][N];
for(int i=0;i<N;i++) {
StringTokenizer st = new StringTokenizer(br.readLine());
for(int j=0;j<N;j++) {
map[i][j] = Integer.parseInt(st.nextToken());
}
}
dfs(0,0,N,map);
System.out.println(cnt1);
System.out.println(cnt2);
System.out.println(cnt3);
}
static int[] dx = {0,1,2,0,1,2,0,1,2};
static int[] dy = {0,0,0,1,1,1,2,2,2};
static int cnt1=0,cnt2=0,cnt3=0;
static void dfs(int x, int y, int s,int[][] map) {
if(chk(x,y,s,map)) {
if(map[x][y] ==-1) {
cnt1++;
}else if(map[x][y] ==0) {
cnt2++;
}else {
cnt3++;
}
return;
}else {
for(int i=0;i<9;i++) {
int nx = x+s*dx[i]/3;
int ny = y+s*dy[i]/3;
dfs(nx,ny,s/3,map);
}
}
}
static boolean chk(int x,int y,int s,int[][] map) {
int c = map[x][y];
for(int i=x;i<x+s;i++) {
for(int j=y;j<y+s;j++) {
if(map[i][j] !=c) {
return false;
}
}
}
return true;
}
}