Matrix, Intervals, and Sorting Patterns

Grid, Interval, and Bitmask DP

Use Grid, Interval, and Bitmask DP as a 20-question checkpoint for coding interviews and algorithm revision. The attempt uses a 30-minute timer and hard difficulty so you can practise with clear conditions. 🧠 What you will practise: The questions cover dynamic programming and memoization; time and space complexity; and greedy decisions and proof of correctness. The question mix checks recall, application, and the reasoning needed to distinguish between plausible choices. Use the score to locate fragile knowledge and revise those areas before repeating the same question set; the answer explanations provide a focused review path.

Deque and Priority Queue Basics

Move beyond surface-level recall with Deque and Priority Queue Basics in this 20-question mock test. It is structured for coding interviews and algorithm revision, and the attempt uses a 30-minute timer and hard difficulty so you can practise with clear conditions. 🧠 What you will practise: The questions cover heaps and priority queues; asynchronous processing and queues; linked lists, stacks, and queues; time and space complexity; trees, graphs, and traversals; and greedy decisions and proof of correctness. The sequence moves from foundational recall toward comparison, application, and careful elimination of distractors. Use the score to locate fragile knowledge and revise those areas before repeating the same question set; the answer explanations provide a focused review path.

DP Optimization Patterns

Use DP Optimization Patterns as a 20-question checkpoint for coding interviews and algorithm revision. The attempt uses a 30-minute timer and hard difficulty so you can practise with clear conditions. 📚 Inside the quiz: The questions cover dynamic programming and memoization; trees, graphs, and traversals; caching and hot-key protection; asynchronous processing and queues; time and space complexity; and arrays, strings, and hash maps. The sequence moves from foundational recall toward comparison, application, and careful elimination of distractors. Turn uncertain answers into a focused revision list, then return when the distinctions between the choices are clear; the answer explanations provide a focused review path.

Greedy and Interval Scheduling

Build confidence in Greedy and Interval Scheduling with this 20-question mock test, designed for coding interviews and algorithm revision. The attempt uses a 30-minute timer and hard difficulty so you can practise with clear conditions. ⚙️ Skills tested: The questions cover greedy decisions and proof of correctness; encapsulation and invariants; and time and space complexity. The sequence moves from foundational recall toward comparison, application, and careful elimination of distractors. Review the reasoning behind missed answers, refresh the weakest concepts, and use a second attempt to confirm improvement; the answer explanations provide a focused review path.

Divide and Conquer and Binary Search

Prepare more deliberately for coding interviews and algorithm revision with Divide and Conquer and Binary Search. This 20-question mock test turns the topic into a structured practice session. The attempt uses a 30-minute timer and hard difficulty so you can practise with clear conditions. 📚 Inside the quiz: The questions cover binary search and sorted-space reasoning; encapsulation and invariants; time and space complexity; arrays, strings, and hash maps; greedy decisions and proof of correctness; and sorting and selection algorithms. Use the variety to check both what you remember and how reliably you can apply it in a new situation. Use the result as a revision checkpoint, return to weak concepts, and retry when you can explain why each alternative is right or wrong; the answer explanations provide a focused review path.

DSA Interview Mock: Advanced Round

Build confidence in DSA Interview Mock: Advanced Round with this 30-question interview-focused practice test, designed for coding interviews and algorithm revision. The attempt uses a 45-minute timer and hard difficulty so you can practise with clear conditions. ⚙️ Skills tested: The questions cover trees, graphs, and traversals; linked lists, stacks, and queues; dynamic programming and memoization; greedy decisions and proof of correctness; encapsulation and invariants; and asynchronous processing and queues. The progression moves from core terminology to debugging, boundary decisions, and trade-offs that surface in real interviews. Turn uncertain answers into a focused revision list, then return when the distinctions between the choices are clear; the answer explanations provide a focused review path.

30 questions · 45 min

DSA Interview Mock: SDE 2 Round

Move beyond surface-level recall with DSA Interview Mock: SDE 2 Round in this 30-question interview-focused practice test. It is structured for coding interviews and algorithm revision, and the attempt uses a 45-minute timer and hard difficulty so you can practise with clear conditions. 🧠 What you will practise: The questions cover trees, graphs, and traversals; greedy decisions and proof of correctness; dynamic programming and memoization; graph ordering and disjoint sets; time and space complexity; and linked lists, stacks, and queues. The progression moves from core terminology to debugging, boundary decisions, and trade-offs that surface in real interviews. Use the score to locate fragile knowledge and revise those areas before repeating the same question set; the answer explanations provide a focused review path.

30 questions · 45 min

Graph Cycles, Topological Sort, and DSU

Use Graph Cycles, Topological Sort, and DSU as a 20-question checkpoint for coding interviews and algorithm revision. The attempt uses a 30-minute timer and hard difficulty so you can practise with clear conditions. 🧠 What you will practise: The questions cover trees, graphs, and traversals; graph ordering and disjoint sets; asynchronous processing and queues; time and space complexity; linked lists, stacks, and queues; and recursion and backtracking. The question mix checks recall, application, and the reasoning needed to distinguish between plausible choices. Review the reasoning behind missed answers, refresh the weakest concepts, and use a second attempt to confirm improvement; the answer explanations provide a focused review path.