Problem Analysis #29

DeepSeek V4 Pro · Run 1

Correct
3.90s
455 toks

API · no tools. This is the prompt and response recorded for this attempt; a full solution may not have been returned.

Problem Statement

Return a single integer only. The problem has been revised so that no final answer is an irrational number, a parameterized expression, a range, a proof, a drawing, a graph, a locus equation, or a region description.

In the cubic tangent problem, the special value satisfying the area-ratio condition is

k=5312.k=\frac{5\sqrt3}{12}.

Instead of giving kk, compute the integer

(12k)23.\frac{(12k)^2}{3}.
Ground Truth
25
Recorded model response / solution
Reasoning Process

We are given k=5312k = \frac{5\sqrt{3}}{12}.
First, compute 12k12k:

12k=12×5312=53.12k = 12 \times \frac{5\sqrt{3}}{12} = 5\sqrt{3}.

Next, square it:

(12k)2=(53)2=25×3=75.(12k)^2 = (5\sqrt{3})^2 = 25 \times 3 = 75.

Finally, divide by 3:

(12k)23=753=25.\frac{(12k)^2}{3} = \frac{75}{3} = 25.

\boxed{25}

Final Model Output
25

Comparative Analysis (P29) (Average across runs)

Averages use reported measurements only. Missing usage is not treated as zero.

Avg Time Taken

GPT-5.5
4.6
DeepSeek V4 Pro
4.1
K-EXAONE-236B-A23B
3.9
Gemini 3.5 Flash
3.1
Claude Opus 4.8
2.0
Solar Pro 3
1.2
KT Mi:dm 2.0 Base Instruct
0.4

Avg Token Usage

KT Mi:dm 2.0 Base Instruct
819.0
K-EXAONE-236B-A23B
736.0
Gemini 3.5 Flash
641.3
DeepSeek V4 Pro
403.3
Solar Pro 3
358.0
Claude Opus 4.8
285.0
GPT-5.5
264.3
    Tokyo · Problem 29 · DeepSeek V4 Pro | EntropyMath