Python/project_euler/problem_14/sol1.py

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2018-10-19 12:48:28 +00:00
from __future__ import print_function
largest_number = 0
pre_counter = 0
for input1 in range(750000,1000000):
counter = 1
number = input1
while number > 1:
if number % 2 == 0:
number /=2
counter += 1
else:
number = (3*number)+1
counter += 1
if counter > pre_counter:
largest_number = input1
pre_counter = counter
print(('Largest Number:',largest_number,'->',pre_counter,'digits'))