两个不相邻的相等子阵之间的最小绝对差

import sys

def min_absolute_diff(matrix):
    rows = len(matrix)
    cols = len(matrix[0])
    min_diff = sys.maxsize

    for i in range(rows):
        for j in range(cols):
            for m in range(i+2, rows):
                for n in range(j+2, cols):
                    sum1 = sum(matrix[i][j:n+1])
                    sum2 = sum(matrix[m][j:n+1])
                    if sum1 == sum2:
                        diff = abs(sum1 - sum2)
                        min_diff = min(min_diff, diff)

    return min_diff

# 示例矩阵
matrix = [
    [1, 2, 3, 4],
    [5, 6, 7, 8],
    [9, 10, 11, 12],
    [13, 14, 15, 16]
]

result = min_absolute_diff(matrix)
print("最小绝对差:", result)