Practice Common Programs For Practice (4) - Chapter 10: Arrays and Strings

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8 questions

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6 sample questions

Question 1.
How do you calculate the sum of array elements?
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Consider using a for loop.
Question 2.
What needs to be checked to confirm if a string is a palindrome?
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Think about comparing characters from both ends.
3Question 3.
What is the time complexity of a linear search?
- O(1)
- O(n)
- O(log n)
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Think of how many items you may need to check.
4Question 4.
True or False: A palindrome is a word that is spelled the same forwards and backwards.
- True
- False
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Think of examples like 'level' or 'radar'.
Question 5.
Create a program that accepts a list of integers and returns a new list containing only even numbers.
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Use the modulus operator to check for even numbers.
Question 6.
Write a function to reverse a string without using built-in functions.
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Consider creating an empty string to build your reversed result.

4 more questions in this section. Enroll free to practise them all.