More Problems

• Given an array, write a program to count the occurrences of each digit in a number using hashing.
• Implement a function to find the first unique character in a string using a hash map.
• Create a program to check if a string contains balanced parentheses using a hash map.
• Write a function to find the total number of vowels in a string using a hash map.
• Given two strings, write a program to check if they are equal when case is ignored using hashing.
• Implement a function to find the longest substring that contains exactly k distinct characters using hashing.
• Create a program to count the occurrences of each character in a string using a hash map.
• Write a function to find the maximum frequency of any character in a string using a hash map.