More Problems

• Create a program that finds the longest substring that is a palindrome using hashing.
• Given two strings, write a function to determine if they are isomorphic using hashing.
• Write a program to find the maximum frequency of any character in a string using a hash map.
• Create a function that counts the number of trailing zeros in a number using hashing.
• Implement a program to find the frequency of each letter in the English alphabet in a given string using hashing.
• Write a function to determine if two strings are mirror images of each other using hashing.
• Create a function that checks if a string is a valid password (contains uppercase, lowercase, digits, and special characters) using hashing.
• Implement a function to return the first unique character in a string using a hash map.