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First solution in Clear category for Skew-symmetric Matrix by Bartosz_M
def checkio(matrix):
for x in range(0, len(matrix)):
for y in range(0, len(matrix)):
if matrix[x][y] != -matrix[y][x]:
return False
return True
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
checkio([
[0,1,2,3,4],
[-1,0,5,6,7],
[-2,-5,0,8,9],
[-3,-6,-8,0,0],
[-4,-7,-9,0,0]]) == 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"
Nov. 13, 2016
