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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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Algorithms

GATE CSE 2001 | Question: 2.14

Subject: Algorithms
Paper: 2001
Consider an undirected, unweighted graph $G$. Let a breadth-first traversal of $G$ be done starting from a node $r$. Let $d(r,u)$ and $d(r,v)$ be the lengths of the shortest paths…
Answer: C

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