์™„์ „ํƒ์ƒ‰

    [Python] ๋ฐฑ์ค€ 10819 ์ฐจ์ด๋ฅผ ์ตœ๋Œ€๋กœ | ์ˆœ์—ด/์กฐํ•ฉ | Permutations/Combinations

    ~์‹ค๋ฒ„ 2~ ๋ฐฑํŠธ๋ž˜ํ‚น(Backtracking) ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ํ•™์Šตํ•˜๋Š” ๊ณผ์ •์—์„œ ๋งŒ๋‚œ ๋ฐฑ์ค€ ๋ฌธ์ œ! https://www.acmicpc.net/problem/10819 10819๋ฒˆ: ์ฐจ์ด๋ฅผ ์ตœ๋Œ€๋กœ ์ฒซ์งธ ์ค„์— N (3 ≤ N ≤ 8)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„์—๋Š” ๋ฐฐ์—ด A์— ๋“ค์–ด์žˆ๋Š” ์ •์ˆ˜๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ๋ฐฐ์—ด์— ๋“ค์–ด์žˆ๋Š” ์ •์ˆ˜๋Š” -100๋ณด๋‹ค ํฌ๊ฑฐ๋‚˜ ๊ฐ™๊ณ , 100๋ณด๋‹ค ์ž‘๊ฑฐ๋‚˜ ๊ฐ™๋‹ค. www.acmicpc.net [์ตœ์ข… ์ฝ”๋“œ] from itertools import permutations n = int(input()) alist = list(map(int, input().split())) maxN = 0 nPr = permutations(alist) for p in nPr: temp = 0 for i in range(n-1): ..

    [Python] ๋ฐฑ์ค€ 1107 ๋ฆฌ๋ชจ์ปจ | EOFError | ๋ธŒ๋ฃจํŠธํฌ์Šค ์•Œ๊ณ ๋ฆฌ์ฆ˜

    ~๊ณจ๋“œ5~ EOFError๊ฐ€ ๋– ์„œ ํ•ด๋‹น ๋ฌธ์ œ๋ฅผ ํ’€์ง€ ๋ชปํ–ˆ๋Š”๋ฐ, ๋‹ค์Œ ๋Œ“๊ธ€์„ ๋ณด๊ณ  ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค..! ๊ฐ™์€ ์˜ค๋ฅ˜๋กœ ๊ณ ์ƒํ•˜์‹œ๋Š” ๋ถ„์€ ์ฐธ๊ณ  ํ•˜์…”์š”~ [์ตœ์ข… ์ฝ”๋“œ] target = int(input()) brokenButtonCount = int(input()) if brokenButtonCount == 0: # ๊ณ ์žฅ๋‚œ ๋ฒ„ํŠผ์ด ์—†๋Š” ๊ฒฝ์šฐ print(min(abs(100 - target), len(str(target)))) # 100์—์„œ +/- vs target ๋ฒ„ํŠผ ๋ˆ„๋ฅด๊ธฐ else: brokenButton = list(map(int, input().split())) minN = abs(100 - target) # +/- ๋งŒ ์‚ฌ์šฉํ•˜์—ฌ ์ด๋™ํ•œ ๊ฒฝ์šฐ for num in range(1000001): # ์ฑ„๋„ ์ œํ•œ์€..

    [Python] ๋ฐฑ์ค€ 16924 ์‹ญ์ž๊ฐ€ ์ฐพ๊ธฐ | ์™„์ „ ํƒ์ƒ‰ | ๋ธŒ๋ฃจํŠธํฌ์Šค(Brute-force)

    ~์‹ค๋ฒ„ 2~ https://www.acmicpc.net/problem/16924 16924๋ฒˆ: ์‹ญ์ž๊ฐ€ ์ฐพ๊ธฐ ์‹ญ์ž๊ฐ€๋Š” ๊ฐ€์šด๋ฐ์— '*'๊ฐ€ ์žˆ๊ณ , ์ƒํ•˜์ขŒ์šฐ ๋ฐฉํ–ฅ์œผ๋กœ ๋ชจ๋‘ ๊ฐ™์€ ๊ธธ์ด์˜ '*'๊ฐ€ ์žˆ๋Š” ๋ชจ์–‘์ด๋‹ค. ์‹ญ์ž๊ฐ€์˜ ํฌ๊ธฐ๋Š” ๊ฐ€์šด๋ฐ๋ฅผ ์ค‘์‹ฌ์œผ๋กœ ์ƒํ•˜์ขŒ์šฐ ๋ฐฉํ–ฅ์œผ๋กœ ์žˆ๋Š” '*'์˜ ๊ฐœ์ˆ˜์ด๋‹ค. ์‹ญ์ž๊ฐ€์˜ ํฌ๊ธฐ๋Š” 1๋ณด๋‹ค ํฌ www.acmicpc.net [๊ตฌํ˜„ ํฌ์ธํŠธ] ๋”๋ณด๊ธฐ 1. ์ œ๊ณต๋œ ์ž…๋ ฅ ์™ธ ์‹ญ์ž๊ฐ€ ๋ฐœ๊ฒฌ์‹œ '*'์„ '.'์œผ๋กœ ๋ณ€๊ฒฝํ•  ๊ณต๊ฐ„ deepcopy 2. ์™„์ „ํƒ์ƒ‰ํ•˜๋ฉฐ '*' ๋ฐœ๊ฒฌ์‹œ ์ธ๋ฑ์Šค๋ฅผ ๋„“ํ˜€ ์‹ญ์ž ๋ชจ์–‘ ํ™•์ธ 3. 2๋ฅผ ์‹ญ์ž ๋ชจ์–‘์ผ ๋•Œ๊นŒ์ง€ ๋ฐ˜๋ณต - ๋ฐ˜๋ณต๋งˆ๋‹ค ์‚ฌ์ด์ฆˆ += 1 - ๋ฆฌ์ŠคํŠธํ˜• ๋ณ€์ˆ˜์— (i, j, size) ์ถ”๊ฐ€ - ์‹ญ์ž ๋ชจ์–‘์— ๋Œ€ํ•ด '.' ์ฒ˜๋ฆฌ 4. ์™„์ „ํƒ์ƒ‰ ํ›„ ์‹ญ์ž๋ชจ์–‘์œผ๋กœ '.'์ฒ˜๋ฆฌํ•œ ๊ณต๊ฐ„์— '*'๊ฐ€ ์žˆ..