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Concepts40

Category

🔷All∑Math⚙️Algo🗂️DS📚Theory

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#competitive programming
🗂️Data StructureIntermediate

Ordered Set and Map

std::set and std::map store elements in sorted order using a balanced binary search tree (typically a Red-Black Tree).

#ordered set#ordered map#std::set+12
🗂️Data StructureIntermediate

Queue and Deque

A queue is a First-In-First-Out (FIFO) line where you add at the back and remove from the front in O(1) time.

#queue#deque#fifo+12
🗂️Data StructureIntermediate

Monotonic Deque

A monotonic deque is a double-ended queue that keeps elements in increasing or decreasing order so that the front always holds the current optimum (min or max).

#monotonic deque#sliding window maximum#sliding window minimum+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
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