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AI-assisted engineering Working with AI Agents System design Core systems Data and AI systems Coding Coding problems Code review On-call SQL

Practice

Paths Concept guides

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Concept guides/Arrays and strings/Linked lists

CodingArrays and strings

Linked lists

Medium3 min read

Questions it teaches

Add two large numbers stored as digit listsEasy10 min Remove nth node from endEasy15 min Deploy pipeline chainEasy17 min Linked list cycle startMedium25 min Zig-zag linked listMedium25 min Odd even linked listMedium20 min Flatten multilevel listMedium25 min Sum readings linked listMedium20 min

Related

Arrays and strings Searching and sorting Designing data structures Backtracking and games Dynamic programming Data and ML code Front-end code

Leads to: Searching and sorting

Sorting algorithms3 min Two pointers3 min

Leads to: Designing data structures

Queues, deques & ring buffers3 min Database deduplication3 min

Leads to: Backtracking and games

Recursion & backtracking3 min Game theory & Grundy3 min

Leads to: Dynamic programming

Dynamic programming: 2D & strings3 min Dynamic programming: 1D3 min

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