Algorithms · Searching, Sorting and Hashing
Official IIT answer key · IIT Roorkee · Audited Aug 2026
GATE CSE 2026 Set 1 Q24 · MSQ · 1 mark
Key concept
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Topic notes
Across GATE CS exams, Searching, Sorting, and Hashing are tested with a strong emphasis on exact comparison/swap counts, worst/best-case edge cases (especially for Quicksort and simultaneous min-max finding), trace-based simulation (such as step-by-step hashing probes and merge passes), and asymptotic tradeoffs for specialized or composite data inputs. Questions range from conceptual 1-mark classification to rigorous 2-mark NATs requiring precise manual execution of collision resolution or optimal merge trees.
Full Searching, Sorting and Hashing guide →Consider a hash table P[0, 1, , 10] that is initially empty. The hash table is maintained using open addressing with linear probing. The hash function used is h(x) = (x + 7) 11. Consider the following sequence of insertions performed on P: 1, 13, 22, 15, 11, 24 Which of the following positions in the hash table is/are empty after these insertions are performed?
Topic-wise GATE CS PYQs with verified steps
Independent practice explanation verified by the GateAI team. GATE is conducted by the IITs; question text follows the official paper.
