Structured Active Recall for Complex Coursework.
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Start Free Sprint →Focus on Linked Lists (Singly, Doubly, Circular), Stacks & Queues, Trees (AVL, BST, B-Trees), and Graph Traversals (BFS/DFS). Module 3 & 4 carry 40%+ of exam weightage.
Key Points: Define balance factor BF = height(left) - height(right) in {-1, 0, 1}. Show single rotations (LL, RR) and double rotations (LR, RL) with tree diagrams at each insertion step.
Key Points: Operator precedence table: ^ > (*, /) > (+, -). Output postfix: A B C * + D E F ^ - /.
Key Points: Greedy strategy: maintain dist[] initialized to infinity, visit unvisited vertex with min distance, relax outgoing edges: if (dist[u] + weight(u,v) < dist[v]) dist[v] = dist[u] + weight(u,v). Time complexity: O((V + E) log V).
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