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Compact solution in Clear category for Skew-symmetric Matrix by brubru777
def checkio(matrix):
return all(matrix[row][col] == -matrix[col][row]
for row in range(len(matrix))
for col in range(row + 1))
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio([
[0, 1, 2],
[-1, 0, 1],
[-2, -1, 0]]) == True, "1st example"
assert checkio([
[0, 1, 2],
[-1, 1, 1],
[-2, -1, 0]]) == False, "2nd example"
assert checkio([
[0, 1, 2],
[-1, 0, 1],
[-3, -1, 0]]) == False, "3rd example"
Dec. 8, 2015
