More Problems

• Create a program that checks if two strings can be rearranged to form a valid word using hashing.
• Write a function to find the longest substring that contains at most k distinct characters using hashing.
• Given an array, write a program to find the total number of even numbers using hashing.
• Implement a function to count the total number of consonants in a string using a hash map.
• Create a program to check if a string can be transformed into a palindrome using hashing.
• Write a function to find the maximum product of two distinct elements in an array using hashing.
• Given a string, write a program to find all substrings that are palindromes using hashing.
• Implement a function to count the frequency of each letter in the English alphabet in a string using a hash map.