advent-of-code/2017/day-1-part-2.py
2019-12-01 15:03:09 -06:00

22 lines
592 B
Python
Executable file

#!/usr/bin/env python3
import sys
def digits(digitString):
index = 0
final = 0
while index < len(digitString):
d1index = int(index)
d2index = int((int(index) + (len(digitString) / 2)) % len(digitString))
print(d1index, d2index)
if digitString[d1index] == digitString[d2index]:
final += int(digitString[d1index])
index += 1
print("Answer: {}".format(final))
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Please provide an argument with your string of digits.")
else:
digits(sys.argv[1])