第六十四条 承运人与实际承运人均负有赔偿责任的，应当在此项责任范围内承担连带责任。
Writing specifications is not always easy, but it is easier than writing the optimized implementation. And a powerful shortcut exists: an inefficient program that is obviously correct can serve as its own specification. User and AI co-write a simple model, AI writes an efficient version, and proves the two equivalent. The hard part shifts from implementation to design. That is the right kind of hard.
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* @param high 结束索引