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4๏ธโƒฃ Python/Problem Solving52

[Python Algorithm] ์‹ ๋‚˜๋Š” ํ•จ์ˆ˜ ์‹คํ–‰ BOJ #9184 ๋ฌธ์ œ https://www.acmicpc.net/problem/9184 9184๋ฒˆ: ์‹ ๋‚˜๋Š” ํ•จ์ˆ˜ ์‹คํ–‰ ์ž…๋ ฅ์€ ์„ธ ์ •์ˆ˜ a, b, c๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ์œผ๋ฉฐ, ํ•œ ์ค„์— ํ•˜๋‚˜์”ฉ ์ฃผ์–ด์ง„๋‹ค. ์ž…๋ ฅ์˜ ๋งˆ์ง€๋ง‰์€ -1 -1 -1๋กœ ๋‚˜ํƒ€๋‚ด๋ฉฐ, ์„ธ ์ •์ˆ˜๊ฐ€ ๋ชจ๋‘ -1์ธ ๊ฒฝ์šฐ๋Š” ์ž…๋ ฅ์˜ ๋งˆ์ง€๋ง‰์„ ์ œ์™ธํ•˜๋ฉด ์—†๋‹ค. www.acmicpc.net ๋‚ด ๋ฌธ์ œ ํ’€์ด memory = [[[0]*21 for _ in range(21)] for __ in range(21)] def w(a, b, c): if (a 20): return w(20, 20, 20) if memory[a][b][c]: return memory[a][b][c] # ์ด๋ฏธ abc ๊ฐ’์— ํ•ด๋‹นํ•˜๋Š” memory ์ž๋ฆฌ์— ๊ฐ’์ด ํ• ๋‹น๋˜์–ด ์žˆ๋‹ค๋ฉด(0์ด ์•„๋‹ˆ๋ผ๋ฉด), ์—ฐ์‚ฐ ํ•„์š” ์—†์œผ๋ฏ€๋กœ ๊ทธ๋Œ€๋กœ.. 2021. 11. 16.
[Python Algorithm] ํ”ผ๋ณด๋‚˜์น˜ ํ•จ์ˆ˜ BOJ #1003 ๋ฌธ์ œ https://www.acmicpc.net/problem/1003 1003๋ฒˆ: ํ”ผ๋ณด๋‚˜์น˜ ํ•จ์ˆ˜ ๊ฐ ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค๋งˆ๋‹ค 0์ด ์ถœ๋ ฅ๋˜๋Š” ํšŸ์ˆ˜์™€ 1์ด ์ถœ๋ ฅ๋˜๋Š” ํšŸ์ˆ˜๋ฅผ ๊ณต๋ฐฑ์œผ๋กœ ๊ตฌ๋ถ„ํ•ด์„œ ์ถœ๋ ฅํ•œ๋‹ค. www.acmicpc.net ๋‚ด ๋ฌธ์ œ ํ’€์ด t = int(input()) nums = [] for i in range(t): nums.append(int(input())) memory = [] for i in range(max(nums)+1): if i == 0: memory.append([1, 0]) elif i == 1: memory.append([0, 1]) else: memory.append([memory[i-1][0]+memory[i-2][0], memory[i-1][1]+memory[i-2][1]]) fo.. 2021. 11. 16.