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113 lines
2.6 KiB
Markdown
113 lines
2.6 KiB
Markdown
---
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id: 697a49e6ff50d756c9b69366
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title: "Challenge 189: 2026 Winter Games Day 10: Alpine Skiing"
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challengeType: 29
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dashedName: challenge-189
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---
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# --description--
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Given a ski hill's vertical drop, horizontal distance, and type, determine the difficulty rating of the hill.
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To determine the rating:
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- Calculate the steepness of the hill by taking the drop divided by the distance.
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- Then, calculate the adjusted steepness based on the hill type:
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- `"Downhill"`: multiply steepness by 1.2
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- `"Slalom"`: multiply steepness by 0.9
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- `"Giant Slalom"`: multiply steepness by 1.0
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Return:
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- `"Green"` if the adjusted steepness is less than or equal to 0.1
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- `"Blue"` if the adjusted steepness is greater than 0.1 and less than or equal to 0.25
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- `"Black"` if the adjusted steepness is greater than 0.25
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# --hints--
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`get_hill_rating(95, 900, "Slalom")` should return `"Green"`.
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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(get_hill_rating(95, 900, "Slalom"), "Green")`)
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}})
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```
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`get_hill_rating(620, 2800, "Downhill")` should return `"Black"`.
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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(get_hill_rating(620, 2800, "Downhill"), "Black")`)
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}})
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```
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`get_hill_rating(420, 1680, "Giant Slalom")` should return `"Blue"`.
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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(get_hill_rating(420, 1680, "Giant Slalom"), "Blue")`)
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}})
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```
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`get_hill_rating(250, 3000, "Downhill")` should return `"Green"`.
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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(get_hill_rating(250, 3000, "Downhill"), "Green")`)
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}})
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```
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`get_hill_rating(110, 900, "Slalom")` should return `"Blue"`.
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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(get_hill_rating(110, 900, "Slalom"), "Blue")`)
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}})
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```
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`get_hill_rating(380, 1500, "Giant Slalom")` should return `"Black"`.
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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(get_hill_rating(380, 1500, "Giant Slalom"), "Black")`)
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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 get_hill_rating(drop, distance, hill_type):
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return drop
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```
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# --solutions--
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```py
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def get_hill_rating(drop, distance, hill_type):
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steepness = drop / distance
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if hill_type == "Downhill":
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steepness *= 1.2
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elif hill_type == "Slalom":
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steepness *= 0.9
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elif hill_type == "Giant Slalom":
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steepness *= 1.0
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if steepness <= 0.1:
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return "Green"
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elif steepness <= 0.25:
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return "Blue"
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else:
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return "Black"
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```
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