More Problems

• Create a program to find the frequency of each letter in the English alphabet in a string using a hash map.
• Write a function to count the total number of vowels and consonants in a string using hashing.
• Given a string, implement a function to check if it can be transformed into a valid identifier using hashing.
• Create a program to find the maximum product of any two numbers in an array using hashing.
• Write a function to determine if two strings can be transformed into another string using hashing.
• Given two strings, implement a function to check if they can be rearranged to form a valid word using hashing.
• Create a program to check if a string is a valid identifier using hashing.
• Write a function to find the maximum frequency of any character in a string using a hash map.