More Problems

• 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.
• Given a string, write a program to find the maximum frequency of any character in a string using a hash map.
• Implement a function to count the total number of vowels in a string using a hash map.
• Create a program to check if a string can be transformed into another string using hashing.
• Write a function to find the longest consecutive sequence of characters in a string using hashing.