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ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค. ๋ฉ€๋ฆฌ ๋›ฐ๊ธฐ (Level-2)

์š”๋Œœ๋‹ค 2023. 1. 18. 14:20

https://school.programmers.co.kr/learn/courses/30/lessons/12914

 

ํ”„๋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

def solution(n):
    if n==1 or n == 2:
        return n
    dp = [0]*(n+1)
    dp[0],dp[1],dp[2] = 0,1,2
    
    for i in range(3,n+1):
        dp[i] = dp[i-2] +dp[i-1]
    # print(dp)
    return dp[n]%1234567

print(solution(2))

n์ด 1์ด๊ฑฐ๋‚˜ 2์ผ ๋•Œ ๋”ฐ๋กœ ์ฒ˜๋ฆฌ๋ฅผ ํ•ด์ฃผ์ง€ ์•Š์•„ ํžˆ์ผ€ 1๋ฒˆ์—์„œ ๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ๊ฐ€ ๋–  93์  ๋ฐ›์•˜๋‹ค. 

๋”ฐ๋กœ ์ฒ˜๋ฆฌ๋ฅผ ํ•ด์ฃผ๋‹ˆ ์ •๋‹ต์ด ๋˜์—ˆ๋‹ค. 

์ „ํ˜•์ ์ธ dp๋ฌธ์ œ๋กœ ์‰ฝ๊ฒŒ ํ’€ ์ˆ˜ ์žˆ์—ˆ๋‹ค.