Signal Interview Questions and Answers

Memory management
Space and Time complexity
C pseudo code

Q1. Telephone directory using DSA
Ans. 
Implement a telephone directory using Data Structures and Algorithms
• Use a hash table to store phone numbers with names as keys

• Implement functions to add, delete, search, and update entries

• Consider using a trie data structure for efficient prefix search

• Optimize search operations using binary search or other search algorithms
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