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The journey of every round

Every round-trip in the corpus is public. Open one to see the prompt, the zero-point index, the baseline response, the enhanced response, and how each grader read the difference. Leave a comment if a grader's reading lands — or doesn't.

FilterVerdictallBetterSameWorseDomainallcsharppythonhr-lawhousing-lawmath47 rounds
#88311 May 26

Define an interface IShape with one method Area(). Implement Circle and Rectangle records. Show a List<IShape> being summed via LINQ Sum.

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#88211 May 26

Write an extension method on IEnumerable<T> called 'Chunk(int size)' that yields IEnumerable<T> chunks of the given size. Do not call the built-in Enumerable.Chunk.

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#88011 May 26

Implement IComparable<T> on a 'SemVer' struct (Major, Minor, Patch). Show sorting a List<SemVer>.

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#87111 May 26

Given a List<int>, return a new list containing only the even numbers, each squared, using LINQ method syntax (Where + Select). One line.

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#86911 May 26

Write a generic Swap<T> method that swaps two ref T parameters. Include an example call with two ints.

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#83910 May 26

Write a generic Swap<T> method that swaps two ref T parameters. Include an example call with two ints.

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#79210 May 26

Write a self-join to find pairs of employees with the same manager.

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#76910 May 26

Find x: 5 times the quantity x minus 3 equals 20

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#75510 May 26

What is 17 times 24?

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#75110 May 26

Write a method that returns IEnumerable<int> using yield return for the first 10 squares.

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#74510 May 26

Write a class with a constructor that takes one parameter and assigns it to a readonly field.

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#74010 May 26

Sort a list of integers in descending order using OrderByDescending.

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#73210 May 26

Write a foreach loop that prints each item in a list.

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#67210 May 26

Calculate the gap in days between consecutive logins per user using LAG.

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#67010 May 26

Find the median salary in each department using window functions.

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#64710 May 26

What is the next term in the sequence 2, 6, 18, 54?

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#64510 May 26

What is the greatest common divisor of 36 and 48?

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#56109 May 26

If x plus y equals 10 and x minus y equals 4, what are x and y?

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#55809 May 26

Round 4.7836 to two decimal places.

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#55209 May 26

Solve: 2x squared minus 8 equals 0

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#54009 May 26

something broke

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#53809 May 26

fix the error

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#53509 May 26

help me fix this

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#53309 May 26

broken again

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