More Problems

• Given two strings, implement a function to determine if they are anagrams using sorting and hashing.
• Create a program to find the total number of digits in a string using hashing.
• Write a function to determine if two arrays have any elements in common using hashing.
• Implement a function to find the maximum length of a substring with at most one repeating character using hashing.
• Create a program that checks if a string is a valid identifier using a hash table.
• Write a function to find the longest substring that contains the same character using hashing.
• Given a list of integers, write a program to find the count of negative numbers using a hash map.
• Implement a function to find the frequency of each letter in the English alphabet in a string using a hash map.