More Problems

• Create a program to check if two arrays have the same frequency of elements using hashing.
• Write a function to find the total number of consonants in a string using a hash map.
• Given a string, write a program to find all unique characters using a hash set.
• Implement a function to find the first character that occurs twice in a string using a hash map.
• Create a program to count the total number of unique words in a paragraph using hashing.
• Write a function to check if two strings are anagrams of each other using a hash table.
• Given a string, write a program to find the longest substring that is a palindrome using hashing.
• Create a function that checks if a list contains any duplicates using a hash set.