์นดํ…Œ๊ณ ๋ฆฌ ์—†์Œ

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๋ ˆ๋ฒจ 2. ํ–‰๋ ฌ์˜ ๊ณฑ์…ˆ

์š”๋Œœ๋‹ค 2022. 8. 3. 19:49

https://school.programmers.co.kr/learn/courses/30/lessons/12949

 

ํ”„๋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

๋ง๊ทธ๋Œ€๋กœ ํ–‰๋ ฌ์˜ ๊ณฑ์…ˆ์ด๋‹ค.

์ด ์ฝ”๋“œ๋Š” ์•Œ์•„๋‘ฌ์•ผ ํ•  ๊ฒƒ ๊ฐ™์•„ ๊ธฐ๋กํ•œ๋‹ค.

def solution(arr1, arr2):
    arr = [[0 for _ in range(len(arr2[0]))] for _ in range(len(arr1))]
    for i in range(len(arr1)): #3. 0~2
        for j in range(len(arr2[0])): #2. 0~1
            for k in range(len(arr1[0])):
                arr[i][j] += (arr1[i][k] * arr2[k][j])
    return arr

 

์œ„์ฒ˜๋Ÿผ ๋งŒ๋“ค๋ฉด ๋œ๋‹ค.