LeetCode içerisinde bulunan “Day of the Week” sorusunun açıklaması ve çözümü. Bu soruda sizi verilen gün, ay ve yıl bilgilerine ait tarihin haftanın hangi güne denk geldiğini bulmanız isteniyor.

► LeetCode 1185. Day of the Week: https://leetcode.com/problems/day-of-the-week/

► Zeller’s congruence https://en.wikipedia.org/wiki/Zeller%27s_congruence

► Problem açıklaması:

Given a date, return the corresponding day of the week for that date.

The input is given as three integers representing the day, month and year respectively.

Return the answer as one of the following values {“Sunday”, “Monday”, “Tuesday”, “Wednesday”, “Thursday”, “Friday”, “Saturday”}.

Example 1: Input: day = 31, month = 8, year = 2019 Output: “Saturday”

Example 2: Input: day = 18, month = 7, year = 1999 Output: “Sunday”

Example 3: Input: day = 15, month = 8, year = 1993 Output: “Sunday”

Constraints: The given dates are valid dates between the years 1971 and 2100.