More Problems

• Implement a function to find the longest substring that is a palindrome using hashing.
• Create a program to find the frequency of elements in a list using a hash map.
• Write a function to find the longest substring that contains the same character using hashing.
• Given an array, write a program to count the total number of even numbers using a hash set.
• Implement a function to find the first unique character in a string using a hash map.
• Create a program to check if a string can be rearranged to form a valid palindrome using hashing.
• Write a function to count the occurrences of each digit in a number using hashing.
• Given two strings, write a program to find the longest common substring using a hash table.