Lesson 4 of 23 · 14 min · 2 hands-on steps
The Monotonic Stack
Find the "next greater" or "next smaller" element for every item in one pass.
Unlock “The Monotonic Stack”
Plus 1,080 more interview questions with step-through solutions and 36 advanced lessons in algorithms, systems and system design.
$39/yearabout 11¢ a day · one payment, no monthly billsLeetCode Premium alone is $159/year.
🛡️ 14-day money-back guarantee. Already a member? Log in