More Problems

• 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.
• Implement a function to count the occurrences of a specific character in a string using a hash map.
• Create a program to find the frequency of each word in a sentence using a hash map.
• Write a function to find the longest substring that contains at least one repeating character using hashing.
• Given an array, write a program to find the total number of even numbers using hashing.