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import numpy as np from scipy.sparse.csgraph import floyd_warshall from scipy.sparse import csr_matrix arr = np.array([ [0, 1, 2], [1, 0, 0], [2, 0, 0] ]) newarr = csr_matrix(arr) print(floyd_warshall(newarr, return_predecessors=True))
运行结果 :
正在执行...