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import numpy as np from scipy.sparse.csgraph import depth_first_order from scipy.sparse import csr_matrix arr = np.array([ [0, 1, 0, 1], [1, 1, 1, 1], [2, 1, 1, 0], [0, 1, 0, 1] ]) newarr = csr_matrix(arr) print(depth_first_order(newarr, 1))
(array([1, 0, 3, 2], dtype=int32), array([ 1, -9999, 1, 0], dtype=int32))
