More Problems

• Create a program to find the longest substring that contains only digits using hashing.
• Write a function to check if two strings can be rearranged to form a palindrome using hashing.
• Given an array of integers, write a program to determine if it can be partitioned into two subsets with equal sums using hashing.
• Create a function to find the maximum product of three numbers in an array using hashing.
• Write a program to count the total number of uppercase letters in a string using hashing.
• Implement a function to find the longest substring that is a palindrome using hashing.
• Create a program to check if a string can be split into two palindromes using hashing.
• Write a function to find the number of unique words in a paragraph using hashing.