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์•Œ๊ณ ๋ฆฌ์ฆ˜ ๐Ÿ’ก48

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ์ „ํ™”๋ฒˆํ˜ธ ๋ชฉ๋ก_ํŒŒ์ด์ฌ ํ’€์ด https://school.programmers.co.kr/learn/courses/30/lessons/42577 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์ฝ”๋“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 def solution(phone_book): # ์ „ํ™”๋ฒˆํ˜ธ๋ฅผ ์ •๋ ฌํ•ฉ๋‹ˆ๋‹ค. phone_book.sort() # ์ธ์ ‘ํ•œ ๋‘ ๋ฒˆํ˜ธ๋ฅผ ๋น„๊ตํ•ฉ๋‹ˆ๋‹ค. for i in range(len(phone_book)-1): if phone_book[i + 1].startswith(phone_book[i]): return False return True 2024. 6. 12.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ํ•ธ๋“œํฐ ๋ฒˆํ˜ธ ๊ฐ€๋ฆฌ๊ธฐ python https://school.programmers.co.kr/learn/courses/30/lessons/12948  ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์ฝ”๋“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  def solution(phone_number): # ์ „ํ™”๋ฒˆํ˜ธ์˜ ๊ธธ์ด๋ฅผ ๊ตฌํ•œ๋‹ค. length = len(phone_number) # ๋’ท 4์ž๋ฆฌ๋ฅผ ์ œ์™ธํ•œ ์•ž๋ถ€๋ถ„์„ *๋กœ ๋Œ€์ฒดํ•œ๋‹ค. masked_part = '*' * (length-4) # ๋งˆ์ง€๋ง‰ 4์ž๋ฆฌ๋ฅผ ์ถ”์ถœํ•ฉ๋‹ˆ๋‹ค. last_part = phone_number[-4:] # ๋‘ ๋ถ€๋ถ„์„ ํ•ฉ์ณ์„œ .. 2024. 6. 12.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ํฐ์ผ“๋ชฌ python https://school.programmers.co.kr/learn/courses/30/lessons/1845 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์ฝ”๋“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.krdef solution(nums): # ํฌ์ผ“๋ชฌ์˜ ์ข…๋ฅ˜์ด ์ˆ˜๋ฅผ ์„ผ๋‹ค. unique_types = len(set(nums)) # ์„ ํƒํ•  ์ˆ˜ ์žˆ๋Š” ์ตœ๋Œ€ ๋งˆ๋ฆฌ์˜ ์ˆ˜๋Š” N/2 ์ž…๋‹ˆ๋‹ค. max_selectable = len(nums)/2 # ์ตœ๋Œ€๋กœ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋Š” ํฌ์ผ“๋ชฌ ์ข…๋ฅ˜์˜ ์ˆ˜๋ฅผ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค. return min(unique_types,max_selectable) .. 2024. 6. 11.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ๋ฌธ์ž์—ด ๋‚ด p์™€ y์˜ ๊ฐœ์ˆ˜ _ ํŒŒ์ด์ฌ ๋ฌธ์ž์—ด ๋‚ด p์™€ y์˜ ๊ฐœ์ˆ˜https://school.programmers.co.kr/learn/courses/30/lessons/12916 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์ฝ”๋“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 ํ’€์ด 1def solution(s): # ๋ฌธ์ž์—ด์„ ๋ชจ๋‘ ์†Œ๋ฌธ์ž๋กœ ๋ณ€ํ™˜ s = s.lower() # 'p'์™€ 'y'์˜ ๊ฐœ์ˆ˜๋ฅผ ์„ผ๋‹ค count_p = s.count('p') count_y = s.count('y') # 'p'์™€ 'y'์˜ ๊ฐœ์ˆ˜๊ฐ€ ๊ฐ™์€์ง€ ํ™•์ธ return count_p == count_y# ์˜ˆ์ œ ํ…Œ์ŠคํŠธprint(so.. 2024. 6. 11.
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