More Problems

• Write a program to find the count of unique characters in a string using a hash set.
• Implement a function to find the total number of unique elements in a list of words using a hash set.
• Create a program to check if two strings are anagrams of each other using a hash map.
• Given an array of integers, write a function to determine if any two numbers add up to a specific target using hashing.
• Write a function to count the occurrences of a specific character in a string using a hash map.
• Create a program to find the longest substring with exactly k distinct characters using hashing.
• Implement a function to check if a list of strings contains any duplicates using hashing.
• Write a program to find the number of palindromic substrings in a given string using hashing.