More Problems

• Implement a function to find the longest substring with exactly one repeating character using hashing.
• Create a program that checks if a string is a valid identifier using hashing.
• Write a function to find the longest substring that is an anagram of another substring using hashing.
• Given an array, write a program to count the occurrences of each digit in a number using hashing.
• Implement a function to find the maximum product of three numbers in an array using hashing.
• Create a program to check if a string contains balanced parentheses using a hash map.
• Write a function to find the first character that appears three times in a string using a hash map.
• Given a string, write a program to check if it can be transformed into a palindrome using hashing.