Created
October 5, 2016 12:28
-
-
Save jangeador/4d8d41d992f0672102fe9d3c646ad97b to your computer and use it in GitHub Desktop.
rmotr assignment 2
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import unittest | |
NUMB = """ | |
73167176531330624919225119674426574742355349194934 | |
96983520312774506326239578318016984801869478851843 | |
85861560789112949495459501737958331952853208805511 | |
12540698747158523863050715693290963295227443043557 | |
66896648950445244523161731856403098711121722383113 | |
62229893423380308135336276614282806444486645238749 | |
30358907296290491560440772390713810515859307960866 | |
70172427121883998797908792274921901699720888093776 | |
65727333001053367881220235421809751254540594752243 | |
52584907711670556013604839586446706324415722155397 | |
53697817977846174064955149290862569321978468622482 | |
83972241375657056057490261407972968652414535100474 | |
82166370484403199890008895243450658541227588666881 | |
16427171479924442928230863465674813919123162824586 | |
17866458359124566529476545682848912883142607690042 | |
24219022671055626321111109370544217506941658960408 | |
07198403850962455444362981230987879927244284909188 | |
84580156166097919133875499200524063689912560717606 | |
05886116467109405077541002256983155200055935729725 | |
71636269561882670428252483600823257530420752963450 | |
""" | |
def adjacent_digits_product(numb_str, digits_count): | |
max = 0 | |
nums_list = [x for x in numb_str if x.isdigit()] | |
for idx, num in enumerate(nums_list): | |
prod = int(num) | |
for i in range(1, digits_count): | |
try: | |
prod *= int(nums_list[idx + i]) | |
except IndexError: | |
# ran out of numbers | |
break | |
if prod > max: | |
max = prod | |
return max | |
class AdjacentProductTestCase(unittest.TestCase): | |
def test_4_digits(self): | |
self.assertEqual(adjacent_digits_product(NUMB, 4), 5832) | |
def test_5_digits(self): | |
self.assertEqual(adjacent_digits_product(NUMB, 5), 40824) | |
def test_13_digits(self): | |
self.assertEqual(adjacent_digits_product(NUMB, 13), 23514624000) | |
def test_17_digits(self): | |
self.assertEqual(adjacent_digits_product(NUMB, 17), 5292994896000) | |
def test_25_digits(self): | |
self.assertEqual(adjacent_digits_product(NUMB, 25), 94810963968000000) | |
def test_50_digits(self): | |
self.assertEqual(adjacent_digits_product(NUMB, 50), 71245459770757226566778880000000) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment