Self-paced
DSA Course: Interview Patterns and Problem Solving
A practical DSA study course for interview preparation, built around problem patterns, brute force reasoning, optimized solutions, dry runs, complexity analysis, and linked practice quizzes.
By QuizMakerStructured learning with progress tracking and practice
82 lessons16 modules15h 42m
What you’ll learn
Course curriculum
82 lessons / 16 modulesNot completed
Valid Anagram: Frequency map Pattern
9 min
Not completed
Longest Substring Without Repeating Characters: Sliding window Pattern
12 min
Not completed
Valid Palindrome: Two pointers Pattern
9 min
Not completed
Longest Palindromic Substring: Expand around center Pattern
12 min
Not completed
Group Anagrams: Hash key Pattern
12 min
Not completed
Binary Search: Classic search Pattern
9 min
Not completed
Search Insert Position: Lower bound Pattern
9 min
Not completed
First Bad Version: Predicate search Pattern
9 min
Not completed
Search in Rotated Sorted Array: Rotated search Pattern
12 min
Not completed
Find Minimum in Rotated Sorted Array: Rotated minimum Pattern
12 min
Not completed
Valid Parentheses: Stack matching Pattern
9 min
Not completed
Min Stack: Auxiliary stack Pattern
12 min
Not completed
Daily Temperatures: Monotonic stack Pattern
12 min
Not completed
Next Greater Element I: Monotonic stack Pattern
9 min
Not completed
Evaluate Reverse Polish Notation: Stack evaluation Pattern
12 min
Not completed
Reverse Linked List: Pointer reversal Pattern
9 min
Not completed
Merge Two Sorted Lists: Dummy node Pattern
9 min
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Linked List Cycle: Fast and slow pointers Pattern
9 min
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Middle of the Linked List: Fast and slow pointers Pattern
9 min
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Remove Nth Node From End: Two pointers Pattern
12 min
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Binary Tree Traversals: DFS recursion Pattern
12 min
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Maximum Depth of Binary Tree: Height recursion Pattern
12 min
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Binary Tree Level Order Traversal: BFS queue Pattern
12 min
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Validate Binary Search Tree: Range bounds Pattern
12 min
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Lowest Common Ancestor: Recursive split Pattern
12 min
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Connected Components: Adjacency DFS Pattern
12 min
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Number of Islands: Grid DFS Pattern
12 min
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Flood Fill: Boundary DFS Pattern
12 min
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Clone Graph: Hash Map DFS Pattern
12 min
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Course Schedule: Topological Sort Pattern
12 min
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Union Find Components: Disjoint Set Pattern
12 min
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Shortest Path in Unweighted Graph: BFS Distance Pattern
12 min
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Climbing Stairs: Fibonacci DP Pattern
12 min
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House Robber: Pick or Skip DP Pattern
12 min
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Coin Change: Minimum Coins DP Pattern
12 min
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Longest Increasing Subsequence: Binary Search DP Pattern
12 min
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Longest Common Subsequence: 2D DP Pattern
12 min
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0/1 Knapsack: Capacity DP Pattern
12 min
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Longest Consecutive Sequence: Hash Set Pattern
12 min
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Subarray Sum Equals K: Prefix Sum Hashmap Pattern
12 min
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First Unique Character: Frequency Map Pattern
12 min
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Find Duplicates: Frequency Map Pattern
12 min
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Ransom Note: Character Availability Pattern
12 min
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Sort Colors: Dutch National Flag Pattern
12 min
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Next Permutation: Pivot and Suffix Reversal Pattern
12 min
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Merge Intervals: Sort and Sweep Pattern
12 min
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Find First and Last Position: Boundary Binary Search Pattern
12 min
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Search a 2D Matrix: Flattened Binary Search Pattern
12 min
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Subsets: Pick or Skip Recursion Pattern
12 min
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Generate Parentheses: Valid State Backtracking Pattern
12 min
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Combination Sum: Reuse Choice Backtracking Pattern
12 min
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N-Queens: Constraint Backtracking Pattern
12 min
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Word Search: Grid Backtracking Pattern
12 min
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Kth Largest Element: Size-K Min-Heap Pattern
12 min
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Top K Frequent Elements: Frequency Heap Pattern
12 min
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Merge K Sorted Lists: Min-Heap Multiway Merge Pattern
12 min
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Median Finder: Two Heaps Pattern
12 min
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Task Scheduler: Greedy Max-Heap Pattern
12 min
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Jump Game: Farthest Reach Greedy Pattern
12 min
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Gas Station: Greedy Reset Pattern
12 min
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Non-overlapping Intervals: Earliest End Greedy Pattern
12 min
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Minimum Arrows to Burst Balloons: Interval End Greedy Pattern
12 min
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Partition Labels: Last Occurrence Greedy Pattern
12 min
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Implement Trie: Prefix Tree Pattern
12 min
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Longest Common Prefix: Single Branch Trie Pattern
12 min
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LRU Cache: Hash Map Plus Recency List Pattern
12 min
Not completed
Segment Tree: Range Sum Query Pattern
12 min
Not completed
Fenwick Tree: Binary Indexed Prefix Sum Pattern
12 min
Questions about this course
Free
82 lessons