More Problems

• Write a program to determine if a list contains any pairs of integers that are equal using a hash set.
• Implement a function to find the first unique integer in an array using a hash map.
• Create a program to find the longest substring that contains only uppercase letters using hashing.
• Write a function to count the occurrences of a specific letter in a string using a hash map.
• Given a string, write a program to find the total number of uppercase letters using hashing.
• Implement a function to find the maximum frequency of any character in a list of strings using hashing.
• Create a program to find the total number of vowels and consonants in a string using hashing.
• Write a function to check if two arrays have the same frequency of elements using hashing.