# Daily Temperatures
Given a list of daily temperatures, return a list where each position holds the number of days you'd have to wait for a warmer temperature (0 if there isn't one).
The exact 'Next Greater Element' monotonic-stack pattern from Module 0's Stacks/Queues lesson — keep a stack of day-indices whose answer isn't known yet, popping (and resolving) every index whose temperature is beaten by the current day.
**Example:** `[73,74,75,71,69,72,76,73]` -> `[1,1,4,2,1,1,0,0]`.
Target complexity: O(N) time and space.