More Problems

• Implement a function to find the frequency of each digit in a number using hashing.
• Create a program to check if two strings can be rearranged to form a palindrome using hashing.
• Write a function to determine if two strings can be transformed into another string using hashing.
• Given a string, write a program to find the longest substring that contains the same character using hashing.
• Implement a function to find the maximum frequency of any character in a list of strings using hashing.
• Create a program to count the occurrences of each letter in the English alphabet in a string using a hash map.
• Write a function to find the total number of unique words in a paragraph using hashing.
• Given a string, write a program to check if it is a valid identifier using hashing.