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eulertools.py
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eulertools.py
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import sys
import time
import log
LOG = log.get_logger(sys.argv[0])
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PE_Key = '58980-xBPoLTzXbtaga2FyRiVIwvzKN4odT8T8gGUUVIka'
def answer_test():
numb = range(1, 8)
# numb = [46]
for item in numb:
module_name = 'P' + str(item).zfill(3)
new_module = __import__(module_name)
answer = new_module.problem()
if answerhash[item] == hash(str(answer)):
print(str(item) + ': Correct Answer')
else:
print(str(item) + ': Incorrect')
def product(A):
output = 1
for a in A:
output *= a
return output
def primeseive(max_n):
numbers = list(range(3, max_n + 1, 2))
half = (max_n) // 2
initial = 4
for step in range(3, max_n + 1, 2):
for i in range(initial, half, step):
numbers[i - 1] = 0
initial += 2 * (step + 1)
if initial > half:
return [2] + [_f for _f in numbers if _f]
def sundaram3(n):
output = [0 for i in range(n + 1)]
for k in range(4, n + 1, 2):
output[k] = 1
for s in range(3, int((n + 1) / 2), 2):
for k in range(3 * s, n + 1, 2 * s):
output[k] = 1
# return [2] + filter(None, numbers)
return [i for i, x in enumerate(output) if x == 0 and i >= 2]
def is_prime(self):
n = abs(self)
if n == 1 or n == 2 or n == 0:
return True
for i in range(2, int(n ** 0.5) + 1):
if n % i == 0:
return False
return True
def lexi(number_l):
number_list = number_l
if len(number_list) <= 1:
yield str(number_list[0])
else:
for x in number_list:
for y in lexi([i for i in number_list if i != x]):
yield str(x) + str(y)
def factorise(p, x):
r = x
output = []
for p in p:
while True:
k, q = divmod(r, p)
if q != 0:
break
r = k
output.append(p)
return output
def timeit(method):
def timed(*args, **kw):
ts = time.time()
result = method(*args, **kw)
te = time.time()
LOG.info('%r (%r, %r) %2.2f sec' %
(method.__name__, args, kw, te - ts))
return result
return timed
if __name__ == "__main__":
# primeseive(2000000)
answer_test()