Loops that pair standard coding rounds with a strong host and behavioral component, plus design questions grounded in feeds, graphs, and search.
Typical loop
- 1Recruiter screen
- 2Technical phone screen
- 3Onsite: two coding rounds
- 4System design round
- 5Host round on values and collaboration
Questions
Callback's practice questions and the LeetCode questions LinkedIn has been asking, filtered together.
Asked on LeetCode
175 questions · all time
- Find Minimum in Rotated Sorted ArraymediumArrayBinary Searchfrequency 20.0
- Find the Number of Subarrays Where Boundary Elements Are MaximumhardArrayBinary SearchStackMonotonic Stackfrequency 20.0
- First Unique Character in a StringeasyHash TableStringQueueCountingfrequency 20.0
- Flatten a Multilevel Doubly Linked ListmediumLinked ListDepth-First SearchDoubly-Linked Listfrequency 20.0
- H-IndexmediumArraySortingCounting Sortfrequency 20.0
- Insert into a Binary Search TreemediumTreeBinary Search TreeBinary Treefrequency 20.0
- Integer to English WordshardMathStringRecursionfrequency 20.0
- Kth Smallest Element in a BSTmediumTreeDepth-First SearchBinary Search TreeBinary Treefrequency 20.0
- Largest Color Value in a Directed GraphhardHash TableStringDynamic ProgrammingGraph Theory+4frequency 20.0
- Largest Rectangle in HistogramhardArrayStackMonotonic StackRange Minimum/Maximum Queryfrequency 20.0
- Linked List CycleeasyHash TableLinked ListTwo PointersFloyd's Cycle Finding Algorithmfrequency 20.0
- Long Pressed NameeasyTwo PointersStringfrequency 20.0
- Longest Consecutive SequencemediumArrayHash TableUnion-Findfrequency 20.0
- Longest Palindromic SubstringmediumTwo PointersStringDynamic ProgrammingManacherfrequency 20.0
- Longest String ChainmediumArrayHash TableTwo PointersString+2frequency 20.0
- Maximum Number of Occurrences of a SubstringmediumHash TableStringSliding Windowfrequency 20.0
- Number of Visible People in a QueuehardArrayStackMonotonic Stackfrequency 20.0
- Paint House IIIhardArrayDynamic Programmingfrequency 20.0
- Palindrome Linked ListeasyLinked ListTwo PointersStackRecursionfrequency 20.0
- Partition LabelsmediumHash TableTwo PointersStringGreedyfrequency 20.0
- Reverse Linked ListeasyLinked ListRecursionfrequency 20.0
- Robot Bounded In CirclemediumMathStringSimulationfrequency 20.0
- Search in Rotated Sorted Array IImediumArrayBinary Searchfrequency 20.0
- The MazemediumArrayDepth-First SearchBreadth-First SearchMatrixfrequency 20.0
- Validate Binary Search TreemediumTreeDepth-First SearchBinary Search TreeBinary Treefrequency 20.0