diff --git a/src/Python/Problem019.py b/src/Python/Problem019.py new file mode 100644 index 0000000..d60d498 --- /dev/null +++ b/src/Python/Problem019.py @@ -0,0 +1,44 @@ +#!/usr/bin/env python3 +""" +Created on 02 Aug 2021 + +@author: David Doblas Jiménez +@email: daviddoji@pm.me + +Solution for problem 19 of Project Euler +https://projecteuler.net/problem=19 +""" + +from datetime import date +from utils import timeit + + +@timeit("Problem 19") +def compute(): + """ + You are given the following information, but you may prefer to do some + research for yourself. + + 1 Jan 1900 was a Monday. + Thirty days has September, April, June and November. + All the rest have thirty-one, + Saving February alone, + Which has twenty-eight, rain or shine. + And on leap years, twenty-nine. + A leap year occurs on any year evenly divisible by 4, but not on a century + unless it is divisible by 400. + + How many Sundays fell on the first of the month during the twentieth + century (1 Jan 1901 to 31 Dec 2000)? + """ + sundays = 0 + for y in range(1901, 2001): + for m in range (1, 13): + if date(y, m, 1).weekday() == 6: + sundays += 1 + return sundays + + +if __name__ == "__main__": + + print(f"Result for Problem 19: {compute()}") \ No newline at end of file