Datadog Master DSA Sheet

This compilation contains exclusive, previously asked data structure and algorithm questions from real Datadog interviews. Focus on these core problem patterns to confidently tackle even the hardest interview challenges.

top-specificdatadog-prep

Maximum Depth of N-ary Tree

Easy

Breadth-First SearchDepth-First SearchTree

Check If It Is a Straight Line

Easy

ArrayGeometryMath

Design Circular Queue

Medium

ArrayDesignLinked List

Sliding Window Median

Hard

ArrayHash TableHeap (Priority Queue)

Binary Search Tree to Greater Sum Tree

Medium

Binary Search TreeBinary TreeDepth-First Search

Binary Tree Maximum Path Sum

Hard

Binary TreeDepth-First SearchDynamic Programming

Design Add and Search Words Data Structure6 Months

Medium

Depth-First SearchDesignString

Valid Word Abbreviation

Easy

StringTwo Pointers

House Robber

Medium

ArrayDynamic Programming

Coin Change6 Months

Medium

ArrayBreadth-First SearchDynamic Programming

House Robber II

Medium

ArrayDynamic Programming

Meeting Scheduler6 Months

Medium

ArraySortingTwo Pointers

Path Sum

Easy

Binary TreeBreadth-First SearchDepth-First Search

People Whose List of Favorite Companies Is Not a Subset of Another List

Medium

ArrayHash TableString

Most Common Word6 Months

Easy

ArrayCountingHash Table

Maximum Vacation Days

Hard

ArrayDynamic ProgrammingMatrix

Datadog Master DSA Sheet

All Questions