[Programmers] ๋น„๋ฐ€์ง€๋„

2022. 4. 18. 09:34ยท๐Ÿ’ฏ CodingTest/Programmers

โ–ถ ๋ฌธ์ œ : 

 

๋”๋ณด๊ธฐ

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

 

โ–ถ ์ฝ”๋“œ : 

 

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

    for i in range(n):
        bitStr = bin(arr1[i] | arr2[i])      
        temp = ''
        bitStr = bitStr[2:]
        bitStr = bitStr.rjust(n,'0') 
        #bin() ์„ ์ด์šฉํ•˜๋ฉด ๋งจ์•ž์— 0์ธ ๋ถ€๋ถ„์„ ์—†์• ๋ฒ„๋ฆฌ๊ธฐ์— ๊ธธ์ด๋ฅผ ๋งž์ถฐ์ค˜์•ผํ•จ => ์ฃผ์˜
        
        #bitStr์—๋Š” '0b' ๊ฐ€ ์•ž์— ํฌํ•จ๋˜์–ด์žˆ์Œ
        
        for c in bitStr:
            if c == '1':
                temp += '#'
            elif c == '0':
                temp += ' '
        answer.append(temp)
        
    return answer

 

โ–ถ ๋ฌธ์ œ ํ’€์ด : 

1. ์ดˆ๊ธฐ bitStr์— ๊ฐ๊ฐ์˜ ๋ฐฐ์—ด์˜ ์ฒซ๋ฒˆ์งธ ์ค„ ๊ฐ’์„ |(or ์—ฐ์‚ฐ)์„ ํ•ด์ฃผ์–ด ์ €์žฅํ•œ๋‹ค. 

2. bin() ์„ ์ด์šฉํ•ด ์ด์ง„์—ฐ์‚ฐ์„ ํ•œ ๊ฒฐ๊ณผ๋Š” ๋งจ์•ž์— "0b" ๋ฌธ์ž์—ด์„ ํฌํ•จํ•˜๊ธฐ์— ์ธ๋ฑ์Šค ์Šฌ๋ผ์ด์‹ฑ์„ ์ด์šฉํ•ด ์ž˜๋ผ์ฃผ๊ณ , bin()์„ ์ด์šฉํ•˜๋ฉด ๋งจ์•ž์ด 0 ์ธ๊ฒฝ์šฐ๋Š” ์ƒ๋žตํ•˜๊ธฐ์— ๋ฌธ์ œ์—์„œ ์•Œ๋ ค์ค€ n ๊ฐ’๊ณผ rjust()๋ฅผ ์ด์šฉํ•ด ๊ฐ ๋ฐฐ์—ด์˜ ๊ธธ์ด์™€ ๊ฐ™๋„๋ก ๋งž์ถ”์–ด ์ฃผ์—ˆ๋‹ค.

3. ์ดํ›„ ๊ฐ bitStr๋ณ„๋กœ 1์ธ๊ฒฝ์šฐ์—” #์œผ๋กœ ๊ณ ์ณ์ฃผ๊ณ , 0์ธ ๊ฒฝ์šฐ์—” ๋นˆ์นธ์œผ๋กœ ๋ฐ”๊ฟ”์ฃผ๋ฉด ๋œ๋‹ค.(์ด ๊ณผ์ •์—์„œ replace ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ด๋„ ๋œ๋‹ค.)

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