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← Courses›Interview Prep›Module 4 · Dynamic Programming & Heap›Monotonic stack: largest rectangle in histogramwrite59 / 104
+175 XP
Task
📝 **Question:** Implement `largest_rect(h)` using a monotonic stack. Test on [2,1,5,6,2,3] → 10.
📋 Pick the right answer.
💡 **Hint:** Re-read the theory above if unsure.
✏️ Write your code here
🐍
Loading Python...
One-time download (~1 MB). Then it runs instantly.