▲ 纯电卫士假想图，图片来自：AutoCar
The most common use of while is accumulating a result when the loop condition depends on something more complex than a simple range:
。新收录的资料是该领域的重要参考
Fine-grained: When we push, we make a list of exactly the nodes that need to be updated. When we pull, we only recalculate those nodes and leave all the others alone.。关于这个话题，新收录的资料提供了深入分析
SAT (short for "satisfiability") is a logic problem that given a boolean formula, it asks whether the boolean formula has an assignment that makes the problem true. An example boolean formula is: