More Problems

• Create a program to check if a string contains only digits using a hash set.
• Write a function to find the longest substring with exactly two distinct characters using hashing.
• Given an array of integers, write a program to determine the total number of even numbers using hashing.
• Create a function to find the count of unique characters in a string using hashing.
• Write a program to check if a string can be transformed into another using hashing.
• Implement a function to find the maximum frequency of any element in a list using a hash map.
• Create a program to find the total number of characters in a string excluding spaces using hashing.
• Write a function to determine if two strings are anagrams using a hash table.