More Problems

• Given two strings, write a program to find the longest common substring using a hash table.
• Implement a function to check if a string can be transformed into a valid number using hashing.
• Create a program to find the maximum frequency of any character in a list of strings using hashing.
• Write a function to count the occurrences of each digit in a number using hashing.
• Given an array, write a program to find the total number of even numbers using hashing.
• Implement a function to find the longest substring with exactly k distinct characters using hashing.
• Create a program to find the first character that appears twice in a string using a hash map.
• Write a function to determine if two strings can be rearranged to form a palindrome using hashing.