More Problems

• Create a program to count the number of vowels in a string using a hash map.
• Write a function to find the maximum frequency of any character in a list of strings using hashing.
• Implement a program to find the common characters in two strings using a hash map.
• Create a function to count the number of characters that appear in both strings using hashing.
• Given a list of integers, write a function to find the minimum number of unique elements using a hash set.
• Write a program to find the longest sequence of unique numbers in an array using hashing.
• Implement a function to check if a string is a valid UUID using hashing.
• Create a program to count the occurrences of a specific word in a sentence using a hash map.