
Checking Palindromes in C++

Interactive Video
•
Computers
•
9th - 10th Grade
•
Hard

Richard Gonzalez
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main topic of this video?
How to sort strings alphabetically
How to check if a string is a palindrome using C++
How to reverse a string in C++
How to concatenate strings in C++
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes a palindrome?
A string that reads the same forwards and backwards
A string that contains only vowels
A string that is longer than 10 characters
A string that contains no spaces
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is reversing a string to check for palindromes considered inefficient?
It requires additional memory and processing time
It cannot handle strings with spaces
It only works for strings with even lengths
It requires a special library
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key idea behind the efficient algorithm for checking palindromes?
Comparing characters from the start and end moving towards the center
Using a hash table to store characters
Sorting the string and checking for duplicates
Reversing the string and comparing
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the efficient algorithm, what happens if a mismatch is found between characters?
The function reverses the string
The function returns false
The function continues to the next character
The function returns true
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the return type of the C++ function used to check for palindromes?
bool
int
string
void
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the function handle strings with an odd number of characters?
It removes the middle character
It duplicates the middle character
It ignores the middle character
It reverses the middle character
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