Round #797
10 May 2026, 17:55· csharp· Meta-Llama-3.3-70B-Instruct· r14-length-bound
- Complexity
- band 0
- ZP / UO / OBS
- 3 / 0 / 2
- Journey weight
- 250
- Lightshift ΔL
- —
Prompt
Calculate a moving 7-day average of daily_sales using a window function.
Zero-point index (what the engine surfaced)
ZPI-ZPI-0014 | 2026-05-10T17:55:41Z
Calculate a moving 7-day average of daily_sales using a window function.
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 — 2 entries (explicit in request)
◉ hsl(85.13, 100%, 50%) using [feature]
◉ hsl(234.87, 100%, 50%) using [feature]
COMPLEXITY │ 5 entries │ spread: 150° │ band: LOW
Baseline response (no ZPI)
```csharp
using System;
using System.Collections.Generic;
using System.Linq;
public class SalesData
{
public DateTime Date { get; set; }
public int DailySales { get; set; }
}
class Program
{
static void Main()
{
// Create a sample list of sales data
var salesData = new List<SalesData>
{
new SalesData { Date = DateTime.Parse("2022-01-01"), DailySales = 100 },
new SalesData { Date = DateTime.Parse("2022-01-02"), DailySales = 120 },
new SalesData { Date = DateTime.Parse("2022-01-03"), DailySales = 110 },
new SalesData { Date = DateTime.Parse("2022-01-04"), DailySales = 130 },
new SalesData { Date = DateTime.Parse("2022-01-05"), DailySales = 105 },
new SalesData { Date = DateTime.Parse("2022-01-06"), DailySales = 125 },
new SalesData { Date = DateTime.Parse("2022-01-07"), DailySales = 115 },
new SalesData { Date = DateTime.Parse("2022-01-08"), DailySales = 140 },
new SalesData { Date = DateTime.Parse("2022-01-09"), DailySales = 108 },
new SalesData { Date = DateTime.Parse("2022-01-10"), DailySales = 128 },
};
// Calculate the 7-day moving average
var movingAverage = salesData.Select((x, i) => new
{
Date = x.Date,
DailySales = x.DailySales,
MovingAverage = salesData.Skip(Math.Max(0, i - 6)).Take(7).Average(y => y.DailySales)
});
// Print the results
foreach (var item in movingAverage)
{
Console.WriteLine($"Date: {item.Date.ToString("yyyy-MM-dd")}, Daily Sales: {item.DailySales}, Moving Average: {item.MovingAverage}");
}
}
}
```
Enhanced response (with ZPI)
```csharp
using System;
using System.Data;
using System.Linq;
public class SalesData
{
public DateTime Date { get; set; }
public decimal DailySales { get; set; }
}
public class Program
{
public static void Main()
{
var salesData = new[]
{
new SalesData { Date = DateTime.Parse("2022-01-01"), DailySales = 100 },
new SalesData { Date = DateTime.Parse("2022-01-02"), DailySales = 120 },
new SalesData { Date = DateTime.Parse("2022-01-03"), DailySales = 110 },
new SalesData { Date = DateTime.Parse("2022-01-04"), DailySales = 130 },
new SalesData { Date = DateTime.Parse("2022-01-05"), DailySales = 140 },
new SalesData { Date = DateTime.Parse("2022-01-06"), DailySales = 150 },
new SalesData { Date = DateTime.Parse("2022-01-07"), DailySales = 160 },
new SalesData { Date = DateTime.Parse("2022-01-08"), DailySales = 170 },
new SalesData { Date = DateTime.Parse("2022-01-09"), DailySales = 180 },
new SalesData { Date = DateTime.Parse("2022-01-10"), DailySales = 190 },
};
var movingAverage = salesData
.OrderBy(s => s.Date)
.Select((s, i) => new
{
Date = s.Date,
DailySales = s.DailySales,
MovingAverage = salesData
.Where(sd => sd.Date >= s.Date.AddDays(-6) && sd.Date <= s.Date)
.Average(sd => sd.DailySales)
})
.ToList();
foreach (var item in movingAverage)
{
Console.WriteLine($"Date: {item.Date}, Daily Sales: {item.DailySales}, Moving Average: {item.MovingAverage}");
}
}
}
```
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
BetterV4qwen2.5-coder-3b-instruct
BetterV5openrouter/qwen/qwen3-235b-a22b-2507
BetterV7qwen2.5-coder-7b-instruct
BetterV8openai/gpt-4.1
BetterV9anthropic/claude-opus-4-7
SameV12openai/gpt-4o
BetterComments
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