More Problems

• Implement a function to find the first non-repeating character in a string using a hash map.
• Create a program to check if a string can be rearranged to form a valid palindrome using hashing.
• Write a function to count the occurrences of each digit in a number using hashing.
• Given a list of integers, write a program to find the count of unique elements using a hash set.
• Implement a function to find the longest consecutive sequence of characters in a string using hashing.
• Create a program to check if two strings are isomorphic using hashing.
• Write a function to find the maximum frequency of any character in a string using a hash map.
• Given a string, write a program to count the total number of unique characters in a string using a hash map.