I also knew that if I bought a jar of sauce, I’d use it once and the rest would sit in my fridge until it eventually went to waste. That’s when it clicked: why wasn’t there a perfectly portioned pasta and sauce kit that wasn’t precooked? It felt like there was a real need for something that reduced waste while delivering high-quality ingredients in just the right portions.
输入：nums = [2,1,2,4,3]
，更多细节参见91视频
unsigned long long length(void*data) {
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