More Problems

• Write a function to find the longest consecutive sequence of numbers in an array using hashing.
• Given a string, write a program to count the total number of unique letters using hashing.
• Implement a function to find the first character that appears twice in a string using a hash map.
• Create a program that checks if two strings can be made identical by swapping characters using hashing.
• Write a function to find the longest substring with exactly one repeating character using hashing.
• Given an array of integers, write a program to find the count of elements that are unique using hashing.
• Implement a function to count the number of occurrences of a specific word in a sentence using a hash map.
• Create a program to find the longest substring that is an anagram of another substring using hashing.