* 核心思路：单调递减栈（找「上一个比当前价格大的元素索引」），时间复杂度O(n)，空间复杂度O(n)
Cluster & Border Point Definition: The map is divided into clusters, and border points are identified using the Ford-Fulkerson based method.
。搜狗输入法2026对此有专业解读
{ 0, 32, 8, 40, 2, 34, 10, 42 },
// const spanner = new StockSpanner();
function consoleLog(messageStartIndex, messageLength) {