Lean is the result of over twelve years of continuous development. We designed and built every layer from scratch: the trusted kernel, the compiler, the language server, the IDE, the proof automation. The team is 20 people. The community independently chose Lean: mathematicians, AI researchers, and enterprise engineers, all building on the same platform.
Go to technology
，更多细节参见体育直播
developers use every day become more robust and solid.
// 易错点6：返回整个数组（如this.res）→ 不符合题目要求，题目要求返回单个数值
"This file is the complete algorithm. Everything else is just efficiency." — Karpathy