Concepts2
∑MathIntermediate
Binomial Theorem and Identities
The binomial theorem expands (x + y)^n into a sum of terms using binomial coefficients that count how many ways to choose k items from n.
#binomial theorem#binomial coefficient#pascal's triangle+12
🗂️Data StructureIntermediate
Monotonic Stack
A monotonic stack is a stack that keeps its elements in increasing or decreasing order to answer range queries in linear time.
#monotonic stack#next greater element#previous smaller element+12