More Problems

• Implement a program to find the number of unique words in a book using a hash map.
• Write a function to check if the frequency of characters in two strings is the same using hashing.
• Create a function that returns the common characters in two strings using a hash set.
• Given a list of integers, write a function to count the number of odd and even numbers using a hash map.
• Implement a program that finds the frequency of each digit in a number using hashing.
• Create a function to find the length of the longest substring with the same character using hashing.
• Write a program to check if a string is a valid anagram of a palindrome using hashing.
• Given a string, implement a function to find the longest substring that contains at most one repeating character using hashing.