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"""
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第十二章示例9：Win Rate评估
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对应文档：12.4.4 Win Rate评估
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这个示例展示如何使用Win Rate评估生成的AIME题目质量。
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Win Rate评估通过对比生成题目和真题，评估生成质量：
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- Win Rate = 50%：生成质量与真题相当（理想情况）
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- Win Rate > 50%：生成质量优于真题（可能是评估偏差）
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- Win Rate < 50%：生成质量低于真题（需要改进）
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"""
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import sys
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import os
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import json
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# 添加HelloAgents路径
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "HelloAgents"))
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from hello_agents import HelloAgentsLLM
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from hello_agents.evaluation import WinRateEvaluator, AIDataset
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# 1. 准备生成的题目数据
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generated_problems = [
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{
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"problem_id": "generated_001",
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"problem": "Find the number of positive integers $n$ such that $n^2 + 19n + 92$ is a perfect square.",
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"answer": "4"
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},
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{
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"problem_id": "generated_002",
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"problem": "In triangle $ABC$, $AB = 13$, $BC = 14$, and $CA = 15$. Find the area of the triangle.",
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"answer": "84"
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},
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{
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"problem_id": "generated_003",
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"problem": "How many positive integers less than 1000 are divisible by 7 but not by 11?",
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"answer": "129"
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}
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]
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# 2. 加载参考数据集（AIME真题）
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print("="*60)
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print("Win Rate评估")
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print("="*60)
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print("\n加载参考数据集...")
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dataset = AIDataset()
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reference_problems = dataset.load()
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print(f"✅ 已加载 {len(reference_problems)} 道AIME真题")
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# 3. 创建Win Rate评估器
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llm = HelloAgentsLLM(model_name="gpt-4o")
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evaluator = WinRateEvaluator(
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llm=llm,
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reference_problems=reference_problems
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)
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# 4. 运行Win Rate评估
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print(f"\n开始Win Rate评估...")
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print(f" 生成题目数: {len(generated_problems)}")
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print(f" 对比数量: 20")
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results = evaluator.evaluate(
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generated_problems=generated_problems,
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num_comparisons=20 # 进行20次对比
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)
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# 5. 显示评估结果
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print("\n" + "="*60)
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print("评估结果")
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print("="*60)
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print(f"\nWin Rate: {results['win_rate']:.2%}")
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print(f"Tie Rate: {results['tie_rate']:.2%}")
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print(f"Loss Rate: {results['loss_rate']:.2%}")
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print(f"\n详细统计:")
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print(f" 总对比数: {results['total_comparisons']}")
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print(f" 生成题目胜: {results['wins']}")
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print(f" 平局: {results['ties']}")
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print(f" 真题胜: {results['losses']}")
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# 6. 质量评估
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print(f"\n质量评估:")
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win_rate = results['win_rate']
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if 0.45 <= win_rate <= 0.55:
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print("✅ 优秀 - 生成质量接近AIME真题水平")
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elif 0.35 <= win_rate < 0.45:
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print("⚠️ 良好 - 生成质量可用，但略低于真题")
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elif 0.25 <= win_rate < 0.35:
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print("⚠️ 一般 - 生成质量一般，需要改进")
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else:
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print("❌ 较差 - 生成质量差，需要大幅改进")
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# 7. 查看部分对比详情
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print("\n" + "="*60)
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print("对比详情（前5个）")
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print("="*60)
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for i, comparison in enumerate(results['comparisons'][:5], 1):
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print(f"\n对比 {i}:")
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print(f" 生成题目: {comparison['generated_problem'][:60]}...")
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print(f" 真题: {comparison['reference_problem'][:60]}...")
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print(f" 结果: {comparison['result']}")
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if 'reason' in comparison:
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print(f" 理由: {comparison['reason'][:100]}...")
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# 8. 保存评估结果
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output_file = "./evaluation_results/win_rate_results.json"
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os.makedirs(os.path.dirname(output_file), exist_ok=True)
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with open(output_file, 'w', encoding='utf-8') as f:
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json.dump(results, f, indent=2, ensure_ascii=False)
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print(f"\n✅ 评估结果已保存到 {output_file}")
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# 运行输出示例：
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# ============================================================
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# Win Rate评估
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# ============================================================
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#
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# 加载参考数据集...
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# ✅ 已加载 963 道AIME真题
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#
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# 开始Win Rate评估...
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# 生成题目数: 3
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# 对比数量: 20
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#
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# Win Rate评估: 100%|██████████| 20/20 [01:00<00:00, 3.01s/对比]
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#
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# ============================================================
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# 评估结果
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# ============================================================
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#
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# Win Rate: 45.00%
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# Tie Rate: 10.00%
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# Loss Rate: 45.00%
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#
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# 详细统计:
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# 总对比数: 20
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# 生成题目胜: 9
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# 平局: 2
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# 真题胜: 9
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#
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# 质量评估:
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# ✅ 优秀 - 生成质量接近AIME真题水平
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#
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# ============================================================
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# 对比详情（前5个）
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# ============================================================
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#
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# 对比 1:
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# 生成题目: Find the number of positive integers $n$ such that $n^2 + 19...
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# 真题: Let $N$ be the number of consecutive $0$'s at the right end...
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# 结果: generated
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# 理由: The generated problem has a clearer problem statement and a mo...
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#
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# 对比 2:
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# 生成题目: In triangle $ABC$, $AB = 13$, $BC = 14$, and $CA = 15$. F...
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# 真题: Find the number of ordered pairs $(m,n)$ of positive integers...
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# 结果: reference
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# 理由: The reference problem is more challenging and requires deeper...
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#
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# ...
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#
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# ✅ 评估结果已保存到 ./evaluation_results/win_rate_results.json
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