[ํ•˜๋ฃจํ•œ๋ฌธ์ œ] ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค::์˜์–ด ๋๋ง์ž‡๊ธฐ Lv2 (w.Python)

2023. 8. 25. 14:17ยท๐Ÿงฉ Language/Programmers
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ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”.

programmers.co.kr

 

๐Ÿ“Œ ๋ฌธ์ œ ์š”์•ฝ

- n๋ช…์˜ ์‚ฌ๋žŒ์ด ์˜์–ด ๋๋ง์ž‡๊ธฐ ์ง„ํ–‰ ์ค‘, ํƒˆ๋ฝ์ž๊ฐ€ ์ƒ๊ธด๋‹ค๋ฉด ํƒˆ๋ฝ์ž์˜ ๋ฒˆํ˜ธ์™€ ์ฐจ๋ก€ ๋ฒˆํ˜ธ๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ํ•จ์ˆ˜ ์ž‘์„ฑ
- ํƒˆ๋ฝ ์กฐ๊ฑด โ‘  ์•ž ์‚ฌ๋žŒ์ด ๋งํ•œ ๋‹จ์–ด์˜ ๋งˆ์ง€๋ง‰ ๋ฌธ์ž๋กœ ์‹œ์ž‘ํ•˜๋Š” ๋‹จ์–ด๋ฅผ ๋งํ•ด์•ผํ•จ
- ํƒˆ๋ฝ ์กฐ๊ฑด โ‘ก ์ด์ „์— ๋“ฑ์žฅํ–ˆ๋˜ ๋‹จ์–ด๋ฅผ ๋งํ•˜๋ฉด ํƒˆ๋ฝ
- ํƒˆ๋ฝ์ž๊ฐ€ ์—†๋‹ค๋ฉด [0,0]์„ ๋ฆฌํ„ด
- input : n = ์ฐธ๊ฐ€์ž ์ˆ˜, words = ๋๋ง์ž‡๊ธฐ์— ์‚ฌ์šฉํ•œ ๋‹จ์–ด๋“ค
- output : [ํƒˆ๋ฝํ•œ ์ฐธ๊ฐ€์ž๋ฒˆํ˜ธ, ๊ฒŒ์ž„ ์ฐจ๋ก€]

 

๐Ÿ“Œ ์ž…์ถœ๋ ฅ ์˜ˆ์‹œ

n words result
3 ["tank", "kick", "know", "wheel", "land",. "dream", "mother", "robot", "tank"] [3,3]
5 ["hello", "observe", "effect", "take", "either", "recognize", "encourage", "ensure", "establish", "hang", "gather", "refer", "reference", "estimate", "executive"] [0,0]
2 ["hello", "one", "even", "never", "now", "world", "draw"] [1,3]

 

โœ… ๋‚˜์˜  ํ’€์ด

>> ํ•„์š” ๋‹จ๊ณ„

โ‘  ๊ฒŒ์ž„์— ์ฐธ์—ฌํ•˜๋Š” ์‚ฌ๋žŒ๋“ค์˜ ๋ฒˆํ˜ธ๋ฅผ ์ €์žฅํ•˜๋Š” 'p' ๋ฆฌ์ŠคํŠธ ์ƒ์„ฑ

  - ๋งŒ์•ฝ n์ด 3์ด๋ผ๋ฉด p = [1, 2, 3]

โ‘ก words์˜ ๊ธธ์ด๋งŒํผ ๋ฐ˜๋ณต๋ฌธ ์ง„ํ–‰

โ‘ข ์ด์ „ ๋‹จ์–ด์˜ ๋์ž๋ฆฌ์™€ ์ง€๊ธˆ ๋‹จ์–ด์˜ ์•ž์ž๋ฆฌ๊ฐ€ ๊ฐ™์ง€ ์•Š๊ฑฐ๋‚˜ ์ด์ „์— ๋งํ•œ ๋‹จ์–ด๋ผ๋ฉด ํ•ด๋‹น ์ˆœ์„œ ์‚ฌ๋žŒ์ด ํƒˆ๋ฝ

โ‘ข ํƒˆ๋ฝ์ž๊ฐ€ ์—†์ด ๊ฒŒ์ž„์ด ๋๋‚ฌ๋‹ค๋ฉด [0,0] ์ถœ๋ ฅ

 

import math

def solution(n, words):
    answer = []
    
    p = [i+1 for i in range(0, n)]

    for idx, word in enumerate(words):
        
        if idx > 0 and (words[idx][:1] != words[idx-1][-1] or word in words[:idx]):
            
            return [p[idx%n], math.ceil((idx+1)/n)]
            
        else:
            answer = [0,0]
        
    return answer
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'๐Ÿงฉ Language > Programmers' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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