2022年4月25日 星期一

矩陣轉換

 def tt(a):

    return a[::-1]

# a = [[1,1],

# [1,3],

# [2,1],

# [5,6],

# ]

a = [[1,1,8],

[1,3,7],

[2,1,6],

[5,6,5],

]

# a = [[1,1],

# [1,3],

# [2,1],

# ]

print(a)

cur = tt(a)

print(cur)


def rr(a):

    m = len(a[0])

    n = len(a)

    b =[ [0 for i in range(n)] for j in range(m)]

    

    for i in range(m):

        for j in range(n):

            b[i][j] = a[n-1-j][i]

    return b

    

cur = rr(cur)

print(cur)

cur = rr(cur)

print(cur)

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