More Problems

• 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.
• Given a string, write a program to find the longest substring that is a palindrome using hashing.
• Create a function to find the total number of digits in a string using a hash map.