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chore: import upstream snapshot with attribution
2026-07-13 11:55:53 +08:00

2.6 KiB

id, title, challengeType, dashedName
id title challengeType dashedName
697a49e6ff50d756c9b69366 Challenge 189: 2026 Winter Games Day 10: Alpine Skiing 29 challenge-189

--description--

Given a ski hill's vertical drop, horizontal distance, and type, determine the difficulty rating of the hill.

To determine the rating:

  • Calculate the steepness of the hill by taking the drop divided by the distance.
  • Then, calculate the adjusted steepness based on the hill type:
    • "Downhill": multiply steepness by 1.2
    • "Slalom": multiply steepness by 0.9
    • "Giant Slalom": multiply steepness by 1.0

Return:

  • "Green" if the adjusted steepness is less than or equal to 0.1
  • "Blue" if the adjusted steepness is greater than 0.1 and less than or equal to 0.25
  • "Black" if the adjusted steepness is greater than 0.25

--hints--

get_hill_rating(95, 900, "Slalom") should return "Green".

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_hill_rating(95, 900, "Slalom"), "Green")`)
}})

get_hill_rating(620, 2800, "Downhill") should return "Black".

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_hill_rating(620, 2800, "Downhill"), "Black")`)
}})

get_hill_rating(420, 1680, "Giant Slalom") should return "Blue".

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_hill_rating(420, 1680, "Giant Slalom"), "Blue")`)
}})

get_hill_rating(250, 3000, "Downhill") should return "Green".

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_hill_rating(250, 3000, "Downhill"), "Green")`)
}})

get_hill_rating(110, 900, "Slalom") should return "Blue".

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_hill_rating(110, 900, "Slalom"), "Blue")`)
}})

get_hill_rating(380, 1500, "Giant Slalom") should return "Black".

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_hill_rating(380, 1500, "Giant Slalom"), "Black")`)
}})

--seed--

--seed-contents--

def get_hill_rating(drop, distance, hill_type):

    return drop

--solutions--

def get_hill_rating(drop, distance, hill_type):
    steepness = drop / distance

    if hill_type == "Downhill":
        steepness *= 1.2
    elif hill_type == "Slalom":
        steepness *= 0.9
    elif hill_type == "Giant Slalom":
        steepness *= 1.0

    if steepness <= 0.1:
        return "Green"
    elif steepness <= 0.25:
        return "Blue"
    else:
        return "Black"