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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-lawmath670 rounds
#76410 May 26

What is 7 factorial (7!)?

V1BetterV2—ΔL—csharp
#76210 May 26

Convert 0.625 to a fraction in lowest terms.

V1BetterV2—ΔL—csharp
#75910 May 26

What is 144 divided by 12?

V1BetterV2—ΔL—csharp
#75610 May 26

Solve for x: 3x + 7 = 22

V1BetterV2—ΔL—csharp
#75010 May 26

Use string.Split to break a CSV line into fields.

V1BetterV2—ΔL—csharp
#74910 May 26

Read an environment variable using Environment.GetEnvironmentVariable.

V1BetterV2—ΔL—csharp
#74810 May 26

Write an if/else that returns one string for even numbers and another for odd numbers.

V1BetterV2—ΔL—csharp
#74710 May 26

Use async/await to read a file with File.ReadAllTextAsync.

V1BetterV2—ΔL—csharp
#74610 May 26

Iterate over a Dictionary<string, int> and print each key-value pair.

V1BetterV2—ΔL—csharp
#74410 May 26

Use a switch expression to map an enum value to a string.

V1BetterV2—ΔL—csharp
#74310 May 26

Throw an ArgumentNullException if a parameter is null.

V1BetterV2—ΔL—csharp
#74210 May 26

Write a method that returns Task<int> and uses await Task.Delay.

V1BetterV2—ΔL—csharp
#74110 May 26

Use string interpolation to format a name and age into a sentence.

V1BetterV2—ΔL—csharp
#73910 May 26

Write a Web API POST endpoint that accepts a JSON body and returns Created.

V1BetterV2—ΔL—csharp
#73810 May 26

Open a SqlConnection, run a SELECT query, and read rows.

V1BetterV2—ΔL—csharp
#73710 May 26

Write a LINQ Select that maps a list of strings to their lengths.

V1BetterV2—ΔL—csharp
#73510 May 26

Write a basic dependency injection registration with services.AddScoped.

V1BetterV2—ΔL—csharp
#73410 May 26

Read all lines from a text file using File.ReadAllLines.

V1BetterV2—ΔL—csharp
#73310 May 26

Concatenate two strings and trim whitespace.

V1BetterV2—ΔL—csharp
#73110 May 26

Read a configuration value from appsettings.json using IConfiguration.

V1BetterV2—ΔL—csharp
#73010 May 26

Implement async/await with HttpClient.GetAsync and read the response body as JSON.

V1BetterV2—ΔL+0.3csharp
#72810 May 26

Show the basic structure of an ASP.NET Core controller with one GET endpoint.

V1BetterV2—ΔL—csharp
#72710 May 26

Add a try/catch around a database call that logs the exception and returns a 500.

V1BetterV2—ΔL—csharp
#72610 May 26

Configure OpenIdConnectOptions with pushed authorization requests and a custom IClaimsTransformation that enriches the principal with role data.

V1BetterV2—ΔL+0.0csharp