More Problems

• Create a function that returns the first character that does not repeat in a string using hashing.
• Implement a function to check if two strings are composed of the same characters using hashing.
• Write a program to find the number of distinct integers in an array using a hash set.
• Create a function that checks if a string contains balanced brackets using a hash map.
• Given a list of integers, write a program to determine if any two numbers can form a specific sum using hashing.
• Write a function to count the number of uppercase letters in a string using hashing.
• Create a program that finds the common elements between two arrays using a hash map.
• Implement a function to check if a string is a valid URL using hashing.