ํŒŒ์ด์ฌ 19

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 2. ์ฃผ์‹๊ฐ€๊ฒฉ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/42584 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ from collections import deque def solution(prices): answer = [] prices = deque(prices) while prices: time = 0 price = prices.popleft() for p in prices: time += 1 if p < price: break answer.append(time) retur..

Python/Programmers 2023.05.01

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 2. ๋กค์ผ€์ดํฌ ์ž๋ฅด๊ธฐ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/132265 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ โŒ ์‹œ๊ฐ„์ดˆ๊ณผ def solution(topping): answer = 0 for i in range(len(topping)): a = set(topping[:i]) b = set(topping[i:]) if len(a) == len(b): answer += 1 return answer ๋ฆฌ์ŠคํŠธ ์Šฌ๋ผ์ด์‹ฑ์„ ์‚ฌ์šฉํ–ˆ๋”๋‹ˆ ์‹œ๊ฐ„์ดˆ๊ณผ๊ฐ€ ๋ฐœ์ƒํ–ˆ๋‹ค!.. โญ• ํ†ต๊ณผ from collec..

Python/Programmers 2023.05.01

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 1. ๋ฐ”ํƒ•ํ™”๋ฉด ์ •๋ฆฌ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/161990 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ def solution(wallpaper): x_loc = [] y_loc = [] for i in range(len(wallpaper)): for j in range(len(wallpaper[i])): if wallpaper[i][j]=="#": x_loc.append(i) y_loc.append(j) start = [min(x_loc), min(y_loc)] en..

Python/Programmers 2023.04.23

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 2. ํฐ ์ˆ˜ ๋งŒ๋“ค๊ธฐ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/42883 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ # ํƒ์š•๋ฒ• def solution(number, k): answer = '' stack = [] for n in number: while stack and (stack[-1] 0): stack.pop() k -= 1 stack.append(n) # [4] - [4,1] - [4] - [] - [7] - [7,7] - [7,7,2] # - [7,..

Python/Programmers 2023.04.23

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv1. ์„ฑ๊ฒฉ ์œ ํ˜• ๊ฒ€์‚ฌํ•˜๊ธฐ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/118666 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ def solution(survey, choices): answer = '' score = {1:-3, 2:-2, 3:-1, 4:0, 5:1, 6:2, 7:3} types = {"R":0, "T":0, "F":0, "C":0, "M":0, "J":0, "A":0, "N":0} # ํƒ€์ž…๋ณ„ ์ ์ˆ˜ sets = [("R","T"), ("C","F"), ("J","M"),("..

Python/Programmers 2023.04.21

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 2. 2๊ฐœ ์ดํ•˜๋กœ ๋‹ค๋ฅธ ๋น„ํŠธ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/77885 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ def solution(numbers): answer = [] for n in numbers: # ์ง์ˆ˜์ผ ๊ฒฝ์šฐ if n%2 == 0: # ๋ฐ”๋กœ ๋‹ค์Œ์— ์˜ค๋Š” ์ˆ˜๊ฐ€ ๋‹ต answer.append(n+1) # ํ™€์ˆ˜์ผ ๊ฒฝ์šฐ else: temp = '0' + bin(n)[2:] idx = temp.rfind('0') # ์˜ค๋ฅธ์ชฝ๋ถ€ํ„ฐ ๋ฌธ์ž์ฐพ๊ธฐ temp = list(temp) # ๊ฐ€์žฅ..

Python/Programmers 2023.04.21

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 1. ๊ณต์›์‚ฐ์ฑ…

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/172928 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ def solution(park, routes): x, y = 0, 0 # ์‹œ์ž‘์  w, h = len(park[0]), len(park) # ๊ฐ€๋กœ, ์„ธ๋กœ op = {"N":(-1,0), "S":(1,0), "W":(0,-1), "E":(0,1)} # ์‹œ์ž‘์  for i in range(h): for j in range(w): if park[i][j]=="S": x, y..

Python/Programmers 2023.04.21

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 0. ๋กœ๊ทธ์ธ ์„ฑ๊ณต?

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/120883 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ def solution(id_pw, db): answer = '' db_dict = {user[0]:user[1] for user in db} if id_pw[0] in db_dict: if id_pw[1]==db_dict[id_pw[0]]: answer = "login" else: answer = "wrong pw" else: answer = "fail" retur..

Python/Programmers 2023.04.18

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 1. ๋Œ€์ถฉ ๋งŒ๋“  ์žํŒ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/160586 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ def solution(keymap, targets): answer = [] keymaps = {} for key in keymap: for k in key: if k not in keymaps: keymaps[k] = key.index(k)+1 else: if (key.index(k)+1) < keymaps[k]: keymaps[k] = key.index(k)+1 ..

Python/Programmers 2023.04.18

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/Python] Lv 2. ๊ฒŒ์ž„ ๋งต ์ตœ๋‹จ๊ฑฐ๋ฆฌ

โญ ๋ฌธ์ œ ๋งํฌ https://school.programmers.co.kr/learn/courses/30/lessons/1844 ํ”„๋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 โญ ํ’€์ด ์ฝ”๋“œ # BFS ์•Œ๊ณ ๋ฆฌ์ฆ˜ : ๋„ˆ๋น„ ์šฐ์„  ํƒ์ƒ‰ # ๊ฐ€๊นŒ์šด ๋…ธ๋“œ๋ถ€ํ„ฐ ํƒ์ƒ‰ from collections import deque def solution(maps): answer = 0 # ์ขŒ, ์šฐ, ํ•˜, ์ƒ dx = [-1, 1, 0, 0] dy = [0, 0, -1, 1] r = len(maps) # ํ–‰ c = len(maps[0]) # ์—ด # ์ขŒํ‘œ ๋ฐฉ๋ฌธ ์ตœ๋‹จ๊ฑฐ๋ฆฌ graph = ..

Python/Programmers 2023.04.18