def main (filename):
inputFile = open(filename, 'r')
# list of lists, indexed like matrix. rows then cols
grid = [ [ int(d) for d in list(s.strip()) ] for s in inputFile.readlines() ]
inputFile.close()
return "".join([str(d) for d in bigops.sum_sequence(grid)])
def test_sum_sequence_resolve_carries(self):
"""An interesting side effect of the implementation, is that carries can be stored
in the digit cells as numbers bigger than 10, and propagated afterwards."""
result = 56088
convolution = [ 4, 13, 28, 27, 18 ]
self.assertEqual(result,
bigops.list_to_int(\
bigops.sum_sequence(\
[ convolution, [0] ] ) ) )
def test_sum_sequence_trivial(self):
self.assertEqual(0, bigops.list_to_int(bigops.sum_sequence([])))
for num in xrange(0, 1000, 13):
self.assertEqual(num, bigops.list_to_int(\
bigops.sum_sequence(\
[bigops.int_to_list(num)] ) ) )
def test_sum_sequence_triangle(self):
n = 100 # 100th triangle number
self.assertEqual(seriesutils.partial_sum(n),
bigops.list_to_int(\
bigops.sum_sequence(\
( bigops.int_to_list(x) for x in xrange(1, n+1) ) ) ) )
def main (lastNum):
# calculate factorial
digits = bigops.sum_sequence( gen_sequence(lastNum) )
return bigops.list_to_str(digits[-10:])