More Problems

• Write a function to find the maximum frequency of any character in a string using a hash map.
• Given an array, write a program to count the total number of even numbers using a hash set.
• Implement a function to find the first unique character in a string using a hash map.
• Create a program to check if a string is a valid identifier using hashing.
• Write a function to find the longest substring with exactly k distinct characters using hashing.
• Given a string, write a program to find the total number of unique characters in a string using a hash map.
• Implement a function to check if two strings can be rearranged to form a valid word using hashing.
• Create a program to count the occurrences of each digit in a number using hashing.