[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] LV.2 ์˜ˆ์ƒ ๋Œ€์ง„ํ‘œ

 

1. ๋ฌธ์ œ

ํ† ๋„ˆ๋จผํŠธ ํ•ด๊ฒฐ : Link

 

2. ํ’€์ด

a์™€ b๋ฅผ 2๋กœ ๋‚˜๋ˆ ์ฃผ๋ฉด์„œ

a = b์ธ ๊ฒฝ์šฐ๊ฐ€ ๊ฒฝ๊ธฐ๊ฐ€ ์น˜๋ค„์ง€๋Š” ๊ฒฝ์šฐ์ด๊ธฐ ๋•Œ๋ฌธ์— while๋ฌธ์˜ ์กฐ๊ฑด์„ a != b๋กœ ๋‘”๋‹ค.

 

3. ์ฝ”๋“œ

def solution(n,a,b): 
    answer = 0
    while a != b: 
        answer += 1
        a, b = (a+1)//2, (b+1)//2
    return answer
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