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๊ฐœ๋ฐœ์ž์ทจ๐ŸŒฑ

[Python] ๋ฐฑ์ค€ 2089 -2์ง„์ˆ˜
๐Ÿ“๋ฌธ์ œ ํ’€์ด/๐ŸงฉBaekjoon

[Python] ๋ฐฑ์ค€ 2089 -2์ง„์ˆ˜

2023. 3. 2. 15:52

~์‹ค๋ฒ„ 2~

 

[ํ•ด๊ฒฐ ํฌ์ธํŠธ]

1. 2์ง„์ˆ˜์ฒ˜๋Ÿผ -2์˜ ๋‚˜๋จธ์ง€๋ฅผ ์ €์žฅํ•˜์—ฌ ์ถœ๋ ฅ

2. ๋‚˜๋จธ์ง€๊ฐ€ 0์ด ์•„๋‹ ๋•Œ +1

 


 

 

[์ตœ์ข… ์ฝ”๋“œ]

n = int(input())
result = []
if n == 0:  # ์ž…๋ ฅ ๊ฐ’์ด 0์ผ ๋•Œ
    print(0)
else:
    while n != 0:
        temp = n % -2
        result.append(-temp)
        n //= -2
        if temp:  # ๋‚˜๋จธ์ง€๊ฐ€ 0์ด ์•„๋‹ˆ๋ผ๋ฉด
            n += 1

    for r in reversed(result):
        print(r, end="")

์˜ˆ์ œ ์ž…๋ ฅ์ฒ˜๋Ÿผ -13์ด ๋“ค์–ด์™”๋‹ค๊ณ  ์ƒ๊ฐํ•ด๋ณด์ž

 

 


REFERENCE

https://suri78.tistory.com/119

 

[๋ฐฑ์ค€์•Œ๊ณ ๋ฆฌ์ฆ˜] 2089๋ฒˆ: -2์ง„์ˆ˜ -Python

[๋ฐฑ์ค€์•Œ๊ณ ๋ฆฌ์ฆ˜] 2089๋ฒˆ: -2์ง„์ˆ˜ -Python https://www.acmicpc.net/problem/2089 2089๋ฒˆ: -2์ง„์ˆ˜ -2์ง„๋ฒ•์€ ๋ถ€ํ˜ธ ์—†๋Š” 2์ง„์ˆ˜๋กœ ํ‘œํ˜„์ด ๋œ๋‹ค. 2์ง„๋ฒ•์—์„œ๋Š” 20, 21, 22, 23์ด ํ‘œํ˜„ ๋˜์ง€๋งŒ -2์ง„๋ฒ•์—์„œ๋Š” (-2)0 = 1, (-2)1 = -2, (-2)2

suri78.tistory.com

 

'๐Ÿ“๋ฌธ์ œ ํ’€์ด > ๐ŸงฉBaekjoon' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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