Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Skew-symmetric Matrix by Cjkjvfnby
def checkio(matrix):
for i, row in enumerate(matrix):
for j, val in enumerate(row[:i+1]):
if not matrix[j][i] == -val:
return False
return True
June 14, 2014
