C# Basics Practical Questions
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1. Reverse a string without using built-in functions.
Max Time: 5 minutes
Explanation: This tests string manipulation and loop usage.
2. Find the largest element in an integer array.
Max Time: 5 minutes
Explanation: This tests array traversal and comparison logic.
3. Remove duplicates from a list using a HashSet.
Max Time: 6 minutes
Explanation: Demonstrates how sets automatically handle duplicates.
4. Find the frequency of elements in an array using a Dictionary.
Max Time: 8 minutes
Explanation: Demonstrates dictionary usage for counting occurrences.
5. Check if a given string is a palindrome.
Max Time: 7 minutes
Explanation: String reversal and comparison logic.
6. Find the sum of all elements in an array.
Max Time: 5 minutes
Explanation: Demonstrates array traversal and summation logic.
7. Merge two sorted arrays into a single sorted array.
Max Time: 10 minutes
Explanation: Demonstrates merging and sorting techniques.