More Problems

• Write a function that checks if a given array contains duplicate elements using a hash set.
• Given two strings, implement a function to check if one string is a rotation of the other using hashing.
• Write a program to determine if two arrays have any elements in common using a hash set.
• Create a function that finds all elements that appear more than once in an array using a hash map.
• Implement a function to find the minimum element in an array using a hash map for tracking indices.
• Write a program to return the first repeated character in a string using a hash table.
• Create a function that checks if all characters in a string are unique using a hash set.
• Given a list of integers, write a function to find the second largest number using hashing.