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metadata
pretty_name: Qwen3-8B Algorithmic Code Analyzer
base_model: Qwen/Qwen3-8B
base_model_relation: finetune
library_name: transformers
pipeline_tag: text-generation
language:
  - en
tags:
  - competitive-programming
  - cpp
  - algorithm-explanation
  - code-understanding
  - lora
  - experimental
  - codeforces
  - leetcode
datasets:
  - orucexe/algorithmic-code-understanding
license: apache-2.0

Qwen3-8B Algorithmic Code Analyzer

Experimental Qwen3-8B fine-tune for exploring C++ code explanations, algorithm ideas, invariants, complexity and explanation checking. Trained on 3,613 problem → code + analysis examples; supplied-code analysis is an exploratory use.

Usage

pip install "transformers>=4.51,<5" accelerate torch
import torch
from transformers import AutoTokenizer, AutoModelForCausalLM

repo = "orucexe/Qwen3-8B-Algorithmic-Code-Analyzer"
tokenizer = AutoTokenizer.from_pretrained(repo)
model = AutoModelForCausalLM.from_pretrained(
    repo, torch_dtype="auto", device_map="auto"
).eval()

prompt = """Explain what this C++ code computes, its core idea,
loop invariant, time and auxiliary-space complexity, and edge cases.
Do not rewrite the code.

long long sum(const std::vector<int>& a) {
    long long s = 0;
    for (int x : a) s += x;
    return s;
}
"""
inputs = tokenizer.apply_chat_template(
    [{"role": "user", "content": prompt}],
    add_generation_prompt=True, enable_thinking=False,
    return_dict=True, return_tensors="pt"
).to(model.device)
with torch.inference_mode():
    output = model.generate(
        **inputs, max_new_tokens=1024, do_sample=True,
        temperature=0.7, top_p=0.8, top_k=20,
        pad_token_id=tokenizer.eos_token_id
    )
print(tokenizer.decode(output[0, inputs.input_ids.shape[1]:], skip_special_tokens=True))

For thinking mode, set enable_thinking=True, temperature=0.6, top_p=0.95 (Qwen guidance).