// the Next Greater Element for an element x is the first greater element on the right side of x in array. If it does not exist, then the next greater element for x is -1. For example, for an array, ...

* - Use a monotonic decreasing stack to keep candidate greater values. * - Iterate indices from 2*n-1 down to 0 to simulate two passes (handles circularity). * - idx ...

Record-breaking rocket: Starship V3 stands 408 feet tall and will deliver more thrust than any rocket in history if it launches as planned. Regulatory roadblock: FAA mission-specific authorization, ...