Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00554-4
siftDown(arr, i, 0); // 对剩余i个元素重新建堆
，详情可参考同城约会
use in the utility and later finance industries. I don't think it's inaccurate
要达成这个目标，光靠在 10 万到 20 万的舒适区里打转显然不够。零跑必须下沉，必须把手伸向体量最大、同时也最难啃的那块骨头—— 10 万元级市场。