GateQA — Free GATE CS Preparation Platform

GateQA is a free GATE CS preparation platform featuring 3,500+ previous-year questions (1987–2026), 36,000+ aptitude questions, subject-wise and year-wise mock tests, performance analytics, and full offline support. Practice Operating Systems, Algorithms, DBMS, Computer Networks, Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, and more.

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GATE CS Subject

Algorithms GATE CS Questions

Overview & Analysis

Algorithms is a critical subject in the GATE Computer Science syllabus, often representing 8 to 10 marks. It tests analytical reasoning, recursive execution, and computational efficiency.

Common problem styles include asymptotic notation analysis, divide-and-conquer recurrence relations, greedy design choices, dynamic programming states, and classical graph traversals like BFS, DFS, Dijkstra, and Kruskal.

Frequently Asked Questions (FAQ)

Q: How do I solve recurrence relations for algorithm time complexity?

A: You can solve recurrence relations using the Master Theorem for standard formats, recursion trees for visual branching, or substitution/induction methods for non-standard recurrences.

Q: What are the key graph algorithms to study for GATE CS?

A: Ensure you study Breadth-First Search (BFS), Depth-First Search (DFS), Minimum Spanning Tree algorithms (Kruskal's and Prim's), and Single-Source Shortest Path algorithms (Dijkstra's and Bellman-Ford).

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