More Problems

• Implement a function to find the number of valid email addresses in a list using hashing.
• Create a program to count the number of valid words in a sentence using a hash map.
• Write a function to find the longest consecutive sequence of numbers in an array using hashing.
• 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.