Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
Second solution in Clear category for Skew-symmetric Matrix by l.szyman10
def checkio(matrix: list) -> bool:
#for i in range(len(matrix)):
return not any([matrix[i][j] + matrix[j][i] for i in range(len(matrix)) for j in range(len(matrix))])
April 26, 2020