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128 lines
4.4 KiB
Markdown
128 lines
4.4 KiB
Markdown
---
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id: 69d03e549613fbdbe21d11e0
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title: "Challenge 271: Medication Reminder"
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challengeType: 29
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dashedName: challenge-271
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---
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# --description--
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Given an array of medications and a string representing the current time, return the next medication you need to take and how long until you need to take it.
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- Each medication is in the format `[name, lastTaken]`, where `name` is the name of the medication and `lastTaken` is the time it was last taken.
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- All given times will be in `"HH:MM"` (24-hour) format.
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Use the following medication schedule:
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| Name | Schedule |
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| - | - |
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| Deployxitrin | 08:00, 16:00 |
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| Debuggamanizole | 07:00, 13:00, 21:00 |
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| Mergeflictamine | every 4 hours |
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Return a string in the format `"{name} in Hh Mm"`. For example, `"Debuggamanizole in 2h 0m"` or `"Deployxitrin in 1h 5m"`.
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# --hints--
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`medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "07:00"], ["Mergeflictamine", "10:00"]], "11:00")` should return `"Debuggamanizole in 2h 0m"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "07:00"], ["Mergeflictamine", "10:00"]], "11:00"), "Debuggamanizole in 2h 0m")`)
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}})
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```
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`medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "13:00"], ["Mergeflictamine", "14:00"]], "14:55")` should return `"Deployxitrin in 1h 5m"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "13:00"], ["Mergeflictamine", "14:00"]], "14:55"), "Deployxitrin in 1h 5m")`)
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}})
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```
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`medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "13:00"], ["Mergeflictamine", "14:00"]], "17:15")` should return `"Mergeflictamine in 0h 45m"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "13:00"], ["Mergeflictamine", "14:00"]], "17:15"), "Mergeflictamine in 0h 45m")`)
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}})
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```
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`medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "07:00"], ["Mergeflictamine", "09:00"]], "12:59")` should return `"Debuggamanizole in 0h 1m"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "07:00"], ["Mergeflictamine", "09:00"]], "12:59"), "Debuggamanizole in 0h 1m")`)
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}})
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```
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`medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "21:00"], ["Mergeflictamine", "03:00"]], "06:55")` should return `"Debuggamanizole in 0h 5m"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "21:00"], ["Mergeflictamine", "03:00"]], "06:55"), "Debuggamanizole in 0h 5m")`)
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}})
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```
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`medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "07:00"], ["Mergeflictamine", "07:30"]], "08:00")` should return `"Mergeflictamine in 3h 30m"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(medication_reminder([["Deployxitrin", "08:00"], ["Debuggamanizole", "07:00"], ["Mergeflictamine", "07:30"]], "08:00"), "Mergeflictamine in 3h 30m")`)
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}})
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```
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# --seed--
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## --seed-contents--
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```py
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def medication_reminder(medications, current_time):
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return medications
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```
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# --solutions--
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```py
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def medication_reminder(medications, current_time):
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schedule = {
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'Deployxitrin': {'type': 'fixed', 'times': ['08:00', '16:00']},
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'Debuggamanizole': {'type': 'fixed', 'times': ['07:00', '13:00', '21:00']},
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'Mergeflictamine': {'type': 'interval', 'hours': 4},
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}
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def to_minutes(t):
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h, m = map(int, t.split(':'))
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return h * 60 + m
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current = to_minutes(current_time)
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earliest = float('inf')
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next_med = ''
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for name, last_taken in medications:
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med = schedule[name]
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if med['type'] == 'fixed':
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future_times = [to_minutes(t) for t in med['times'] if to_minutes(t) > current]
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if not future_times:
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continue
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next_due = min(future_times)
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else:
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next_due = to_minutes(last_taken) + med['hours'] * 60
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diff = next_due - current
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if 0 < diff < earliest:
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earliest = diff
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next_med = name
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h = earliest // 60
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m = earliest % 60
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return f"{next_med} in {h}h {m}m"
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```
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