CodingHardcod-g527

Subject Monotonic stackLevel Mid–Senior~30 minCommon in Algorithms & data structures interviewsIndustries Software development

Question

Given non-negative integer bar heights of a histogram where every bar has width 1, return the area of the largest axis-aligned rectangle that fits entirely within the histogram. The list may be empty.

Implement

largest_rectangle(heights: list[int]) → int

Examples

in[[2,1,5,6,2,3]]out10

What a strong answer looks like

State your approach and its time/space complexity out loud before you optimize. Handle the edge cases (empty input, duplicates, overflow), and say why you chose this over the brute force. Green tests are the floor, not the grade.

Learn the concepts

Vibe coding: describe the solution in plain language (or narrate it) and the coach grades your approach. Generating runnable code from your description is coming next.

Run or narrate your approach, then ask the coach.