
dot이 2이상인 경우 row와 column을 각각 conut 해주었다.
시간복잡도: O(N²), 공간복잡도: O(N²)
import java.util.*;
import java.io.*;
class Main {
static int n;
static char [][] arr;
static int row = 0;
static int column = 0;
public static void main (String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
n = Integer.parseInt(br.readLine());
arr = new char[n][n];
for(int i=0;i<n;i++){
arr[i] = br.readLine().toCharArray();
}
rowCount();
columnCount();
System.out.println(row + " " + column);
}
public static void rowCount(){
for(int i=0;i<n;i++){
int dot = 0;
for(int j=0;j<n;j++){
if(arr[i][j]=='.'){
dot++;
}else if (arr[i][j]=='X'){
if(dot>=2){
row++;
}
dot=0;
}
if(j==n-1 && dot>=2) row++;
}
}
}
public static void columnCount(){
for(int i=0;i<n;i++){
int dot = 0;
for(int j=0;j<n;j++){
if(arr[j][i]=='.'){
dot++;
}else if (arr[j][i]=='X'){
if(dot>=2){
column++;
}
dot=0;
}
if(j==n-1 && dot>=2) column++;
}
}
}
}
