More Problems

• Create a program to find the longest substring that contains only digits using hashing.
• Write a function to determine if two strings can be rearranged to form a palindrome using hashing.
• Given a string, write a program to find the longest substring that is a palindrome using hashing.
• Implement a function to count the occurrences of each letter in the English alphabet in a string using a hash map.
• Create a program to find the maximum product of two distinct elements in an array using hashing.
• Write a function to find the first non-repeating character in a string using a hash map.
• Given an array, write a program to find the total number of even numbers using a hash set.
• Implement a function to check if two strings can be rearranged to form a valid word using hashing.