testSort(heapSort, "Heap", arr, N);
Khosla, one of tech’s most successful venture capitalists and entrepreneurs, put the first institutional money into OpenAI in 2019, investing $50 billion at a $1 billion valuation. (Last week, OpenAI raised $110 million at a $780 billion valuation.) Prior to founding his firm, Khosla Ventures, Khosla cofounded Sun Microsystems and Daisy Systems. He placed early bets in companies like Square and DoorDash, too, and has invested in energy startups like CommonWealth Fusion Systems.。电影对此有专业解读
，更多细节参见PDF资料
explore around until the change point is clear，这一点在PDF资料中也有详细论述
A recent BlackRock survey found that people think they need about $2.1 million to retire comfortably. The average balance of 401(k) was $144,400 in Q3 of 2025, according to Fidelity Investments, or less than 7% of what people believe they need.