output[count[idx] - 1] = arr[i]; // 放到正确位置
数据来源：中国苹果产业协会、国家苹果产业技术体系《中国苹果产业发展报告》
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// 易错点1：边界处理 - 空链表直接返回空数组
Google, ChatGPT-maker OpenAI and Elon Musk's xAI which makes the AI chatbot Grok were also awarded contracts of up to $200m (£148m) each.
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