More Problems

• Write a function to check if two arrays can be rearranged to form a valid word using hashing.
• Given a string, write a program to find the first character that appears three times in a string using a hash map.
• Implement a function to find the longest palindromic substring in a given string using hashing.
• Create a program to count the occurrences of each digit in a number using hashing.
• Write a function to determine if two strings can be rearranged to form a palindrome using hashing.
• Given an array, write a program to count the occurrences of each letter in a string using a hash map.
• Implement a function to find the longest substring that is a palindrome using hashing.
• Create a program to check if two strings are made up of the same characters using hashing.