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#!/usr/bin/env python3
# Challenge 049
#
# TASK #1
# Smallest Multiple
# Write a script to accept a positive number as command line argument and print
# the smallest multiple of the given number consists of digits 0 and 1.
#
# For example:
#
# For given number 55, the smallest multiple is 110 consisting of digits 0 and 1.
import re
import sys
def smallest_multiple(n):
p = 1
while not is_zeros_ones(n*p):
p += 1
return n*p
def is_zeros_ones(n):
return re.search(r'^[01]+$', str(n))
n = int(sys.argv[1])
print(smallest_multiple(n))
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