diff --git a/exercises/practice/meetup/.docs/instructions.md b/exercises/practice/meetup/.docs/instructions.md index bff409f8..000de2fd 100644 --- a/exercises/practice/meetup/.docs/instructions.md +++ b/exercises/practice/meetup/.docs/instructions.md @@ -1,19 +1,34 @@ # Instructions -In this exercise, you will be given a general description of a meetup date and then asked to find the actual meetup date. +Your task is to find the exact date of a meetup, given a month, year, weekday and week. -Examples of general descriptions are: +There are five week values to consider: `first`, `second`, `third`, `fourth`, `last`, `teenth`. -- First Monday of January 2022 -- Third Tuesday of August 2021 -- Teenth Wednesday of May 2022 -- Teenth Sunday of July 2021 -- Last Thursday of November 2021 +For example, you might be asked to find the date for the meetup on the first Monday in January 2018 (January 1, 2018). -The descriptors you are expected to process are: `first`, `second`, `third`, `fourth`, `fifth`, `last`, `teenth`. +Similarly, you might be asked to find: -Note that descriptor `teenth` is a made-up word. -There are exactly seven numbered days in a month that end with "teenth" ("thirteenth" to "nineteenth"). -Therefore, it is guaranteed that each day of the week (Monday, Tuesday, ...) will have exactly one numbered day ending with "teenth" each month. +- the third Tuesday of August 2019 (August 20, 2019) +- the teenth Wednesday of May 2020 (May 13, 2020) +- the fourth Sunday of July 2021 (July 25, 2021) +- the last Thursday of November 2022 (November 24, 2022) +- the teenth Saturday of August 1953 (August 15, 1953) -For example, if given "First Monday of January 2022", the correct meetup date is January 3, 2022. +## Teenth + +The teenth week refers to the seven days in a month that end in '-teenth' (13th, 14th, 15th, 16th, 17th, 18th and 19th). + +If asked to find the teenth Saturday of August, 1953, we check its calendar: + +```plaintext + August 1953 +Su Mo Tu We Th Fr Sa + 1 + 2 3 4 5 6 7 8 + 9 10 11 12 13 14 15 +16 17 18 19 20 21 22 +23 24 25 26 27 28 29 +30 31 +``` + +From this we find that the teenth Saturday is August 15, 1953. diff --git a/exercises/practice/meetup/.docs/introduction.md b/exercises/practice/meetup/.docs/introduction.md new file mode 100644 index 00000000..29170ef1 --- /dev/null +++ b/exercises/practice/meetup/.docs/introduction.md @@ -0,0 +1,29 @@ +# Introduction + +Every month, your partner meets up with their best friend. +Both of them have very busy schedules, making it challenging to find a suitable date! +Given your own busy schedule, your partner always double-checks potential meetup dates with you: + +- "Can I meet up on the first Friday of next month?" +- "What about the third Wednesday?" +- "Maybe the last Sunday?" + +In this month's call, your partner asked you this question: + +- "I'd like to meet up on the teenth Thursday; is that okay?" + +Confused, you ask what a "teenth" day is. +Your partner explains that a teenth day, a concept they made up, refers to the days in a month that end in '-teenth': + +- 13th (thirteenth) +- 14th (fourteenth) +- 15th (fifteenth) +- 16th (sixteenth) +- 17th (seventeenth) +- 18th (eighteenth) +- 19th (nineteenth) + +As there are also seven weekdays, it is guaranteed that each day of the week has _exactly one_ teenth day each month. + +Now that you understand the concept of a teenth day, you check your calendar. +You don't have anything planned on the teenth Thursday, so you happily confirm the date with your partner. diff --git a/exercises/practice/meetup/.meta/config.json b/exercises/practice/meetup/.meta/config.json index 7805a85c..d5da0adb 100644 --- a/exercises/practice/meetup/.meta/config.json +++ b/exercises/practice/meetup/.meta/config.json @@ -18,6 +18,5 @@ ] }, "blurb": "Calculate the date of meetups.", - "source": "Jeremy Hinegardner mentioned a Boulder meetup that happens on the Wednesteenth of every month", - "source_url": "https://twitter.com/copiousfreetime" + "source": "Jeremy Hinegardner mentioned a Boulder meetup that happens on the Wednesteenth of every month" }