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[Python/ํŒŒ์ด์ฌ] ๋ฐฑ์ค€ 10830๋ฒˆ: ํ–‰๋ ฌ ์ œ๊ณฑ
๐Ÿ”์•Œ๊ณ ๋ฆฌ์ฆ˜/๋ฐฑ์ค€

[Python/ํŒŒ์ด์ฌ] ๋ฐฑ์ค€ 10830๋ฒˆ: ํ–‰๋ ฌ ์ œ๊ณฑ

2021. 12. 30. 14:03
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๋ฌธ์ œ

 

ํ’€์ด

ํ–‰๋ ฌ ๊ณฑ์…ˆ์„ ๊ตฌํ•˜๋Š” ํ•จ์ˆ˜๋งŒ ์ž‘์„ฑํ•˜๋ฉด ๋ถ„ํ•  ์ œ๊ณฑ์„ ์ด์šฉํ•œ ๊ฑฐ๋“ญ์ œ๊ณฑ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ํ†ตํ•ด ์‰ฝ๊ฒŒ ํ’€ ์ˆ˜ ์žˆ๋‹ค.

ํ–‰๋ ฌ ๊ณฑ์…ˆ์„ ๊ตฌํ•˜๋Š”๊ฒŒ ์ข€ ๊นŒ๋‹ค๋กœ์› ๋‹ค...

 

์ฝ”๋“œ

import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 9)

n, b = map(int, input().split())
matrix = []
for _ in range(n):
    matrix.append(list(map(int, input().split())))

def mulMatrix(m1, m2):
    tmpArr = [[] for _ in range(n)]
    for i in range(n):
        for j in range(n):
            tmp = 0
            for k in range(n):
                tmp += m1[i][k] * m2[k][j] % 1000
            tmpArr[i].append(tmp)
    return tmpArr

def squareMatrix(b):
    if b == 1:
        return matrix
    result = squareMatrix(b//2)
    squareResult = mulMatrix(result, result)
    if b % 2 == 0:
        return squareResult
    else:
        return mulMatrix(squareResult, matrix)

for ans in squareMatrix(b):
    for a in ans:
        print(a % 1000, end=" ")
    print()

 

๋งˆ๋ฌด๋ฆฌ

์„ ํ˜•๋Œ€์ˆ˜ ๊ณผ๋ชฉ์„ ๋“ค์–ด์„œ ๊ทธ๋‚˜๋งˆ ์‰ฝ๊ฒŒ ํ’€ ์ˆ˜ ์žˆ์—ˆ๋‹ค...

 

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