PYTHON 프로그래머스)[PCCE 기출문제] 9번 / 이웃한 칸

https://school.programmers.co.kr/learn/courses/30/lessons/250125

프로그래머스

def solution(board, h, w):
    n=len(board)    
    count = 0
    dh=[0,1,-1,0]
    dw=[1,0,0,-1]
    for i in range(4):
        h_check=h+dh[i]
        w_check=w+dw[i]
        if (h_check >=0 and h_check<n) and (w_check>=0 and w_check<n):
            if board[h][w]==board[h_check][w_check]:
                count+=1
    return count