Round #639

10 May 2026, 08:27· csharp· qwen2.5-coder-7b-instruct· r13-clean-hints
Complexity
band 0
ZP / UO / OBS
3 / 0 / 1
Journey weight
235
Lightshift ΔL

Prompt

Express 3 over 4 as a decimal.

Zero-point index (what the engine surfaced)

ZPI-ZPI-0013 | 2026-05-10T08:27:37Z Express 3 over 4 as a decimal. ZERO POINT — 3 entries (structural invariants) ● hsl(7.18, 100%, 50%) class [feature] ● hsl(0.00, 100%, 50%) public [feature] ● hsl(84.10, 100%, 50%) namespace [feature] UNOBSERVED — 0 entries (implied truths) OBSERVED — 1 entries (explicit in request) ◉ hsl(124.10, 100%, 15%) decimal [feature] COMPLEXITY │ 4 entries │ spread: 0° │ band: LOW

Baseline response (no ZPI)

To express \( \frac{3}{4} \) as a decimal, you can perform the division of 3 by 4. Here is how you do it: \[ \frac{3}{4} = 0.75 \] So, \( \frac{3}{4} \) expressed as a decimal is **0.75**.

Enhanced response (with ZPI)

To express \( \frac{3}{4} \) as a decimal, you can simply perform the division of 3 by 4 using C#. Here's how you can do it: ```csharp using System; class Program { static void Main() { double result = 3.0 / 4.0; Console.WriteLine(result); } } ``` ### Explanation: 1. **Division Operation**: The expression `3.0 / 4.0` performs the division of 3 by 4. Using `double` literals ensures that the operation is performed in floating-point arithmetic, which gives a precise decimal result. 2. **Output**: The result of the division is then printed to the console using `Console.WriteLine`. This code will output `0.75`, which is the decimal representation of \( \frac{3}{4} \).

Grader chain

Each grader reads the same baseline + enhanced pair and casts an independent verdict. Disagreement is the framework's own signal — not noise to be averaged away.

V1samba/Meta-Llama-3.3-70B-Instruct
Better
V4qwen2.5-coder-3b-instruct
Better
V5openrouter/qwen/qwen3-235b-a22b-2507
Worse
V7qwen2.5-coder-7b-instruct
Better
V8openai/gpt-4.1
Better
V9anthropic/claude-opus-4-7
Better
V12openai/gpt-4o
Better

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