[Level 1] / [Python] [1차] 비밀지도

https://school.programmers.co.kr/learn/courses/30/lessons/17681

프로그래머스

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def solution(n, arr1, arr2):
    answer = []

    a1 = [0]*n
    a2 = [0]*n

    map1 = [[0]*n for _ in range(n)]


    for i in range(n):
        if len(format(arr1[i],'b')) != n:            
            a1[i] = '0'*(n-len(format(arr1[i],'b'))) + format(arr1[i],'b')
        else:
            a1[i] = format(arr1[i],'b')

        if len(format(arr2[i],'b')) != n:            
            a2[i] = '0'*(n-len(format(arr2[i],'b'))) + format(arr2[i],'b')
        else:
            a2[i] = format(arr2[i],'b')

    for i in range(n):
        for j in range(n):
            if a1[i][j] != str(1) and a2[i][j] != str(1):
                map1[i][j] = ' '
            else:
                map1[i][j] = '#'
    
    for i in range(n):        
       answer.append(''.join(map1[i]))            
    
    return answer

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다른 사람 풀이 ...

def solution(n, arr1, arr2):
    answer = []
    for i,j in zip(arr1,arr2):
        a12 = str(bin(i|j)[2:])
        a12=a12.rjust(n,'0')
        a12=a12.replace('1','#')
        a12=a12.replace('0',' ')
        answer.append(a12)
    return answer