# HackerRank 'Library Fine' Solution

Martin Kysel · June 19, 2015

##### Short Problem Definition:

The Head Librarian at a library wants you to make a program that calculates the fine for returning the book after the return date. You are given the actual and the expected return dates

Library Fine

##### Complexity:

time complexity is `O(?)`

space complexity is `O(?)`

##### Execution:

HackerRank does not support the dateutil library. This should have been computed in terms of date differences and not using if/else branches. Here I use the date library for convenience and readability.

##### Solution:
``````
#!/usr/bin/py
from datetime import date

def calculateHackos(actual, expected):
actual_date = date(actual[2], actual[1], actual[0])
expected_date = date(expected[2], expected[1], expected[0])

if actual_date.year > expected_date.year: return 10000
if actual_date.year < expected_date.year: return 0
if actual_date.month > expected_date.month: return (actual_date.month - expected_date.month) * 500
if actual_date.month < expected_date.month: return 0
if actual_date.day > expected_date.day: return (actual_date.day - expected_date.day) * 15
return 0

if __name__ == '__main__':
actual = map(int, raw_input().split())
expected = map(int, raw_input().split())
print calculateHackos(actual, expected)

``````