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1
GATE CSE 2021 Set 1
MCQ (Single Correct Answer)
+2
-0.67
A binary search tree T contains n distinct elements. What is the time complexity of picking an element in T that is smaller than the maximum element in T?
A
Θ(1)
B
Θ(n log n)
C
Θ(log n)
D
Θ(n)
2
GATE CSE 2021 Set 1
MCQ (Single Correct Answer)
+2
-0.67

Consider the following statements.

S1 : The sequence of procedure calls corresponds to a preorder traversal of the activation tree.

S2 : The sequence of procedure returns corresponds to a postorder traversal of the activation tree.

Which one of the following options is correct?

A
S1 is true and S2 is true
B
S1 is false and S2 is true
C
S1 is false and S2 is false
D
S1 is true and S2 is false
3
GATE CSE 2020
MCQ (Single Correct Answer)
+2
-0.67
In a balanced binary search tree with n elements, what is the worst case time complexity of reporting all elements in range [a, b]? Assume that the number of reported elements is k.
A
$$\Theta \left( {\log n} \right)$$
B
$$\Theta \left( {\log n + k} \right)$$
C
$$\Theta \left( {k\log n} \right)$$
D
$$\Theta \left( {n\log k} \right)$$
4
GATE CSE 2020
Numerical
+2
-0.67
Consider the array representation of a binary min-heap containing 1023 elements. The minimum number of comparisons required to find the maximum in the heap is _______.
Your input ____
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GATE CSE Subjects
Discrete Mathematics
Mathematical Logic Probability Set Theory & Algebra Combinatorics Linear Algebra Graph Theory Calculus
Programming Languages
Basic of Programming Language Function and Recursion Pointer and Structure in C
Theory of Computation
Undecidability Finite Automata and Regular Language Push Down Automata and Context Free Language Recursively Enumerable Language and Turing Machine
Operating Systems
Process Concepts and Cpu Scheduling Synchronization and Concurrency File System IO and Protection Deadlocks Memory Management
Digital Logic
Number Systems Boolean Algebra K Maps Combinational Circuits Sequential Circuits
Computer Organization
Computer Arithmetic Memory Interfacing Pipelining Machine Instructions and Addressing Modes Alu Data Path and Control Unit IO Interface Secondary Memory
Database Management System
Er Diagrams Functional Dependencies and Normalization Structured Query Language Relational Algebra Transactions and Concurrency File Structures and Indexing
Data Structures
Arrays Stacks and Queues Linked List Trees Graphs Hashing
Computer Networks
Concepts of Layering Lan Technologies and Wi-Fi Data Link Layer and Switching Network Layer Routing Algorithm TCP UDP Sockets and Congestion Control Application Layer Protocol Network Security
Algorithms
Complexity Analysis and Asymptotic Notations Searching and Sorting Divide and Conquer Method Greedy Method P and NP Concepts Dynamic Programming
Compiler Design
Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization
Software Engineering
Software Engineering
Web Technologies
Web Technologies
General Aptitude
Numerical Ability Logical Reasoning Verbal Ability
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