More Problems

• Given a list of integers, write a function to count the number of odd and even numbers using a hash map.
• Implement a program that finds the frequency of each digit in a number using hashing.
• Create a function to find the length of the longest substring with the same character using hashing.
• Write a program to check if a string is a valid anagram of a palindrome using hashing.
• Given a string, implement a function to find the longest substring that contains at most one repeating character using hashing.
• Create a function that returns the indices of the first two numbers in an array that add up to a target using a hash map.
• Write a program to find the number of palindromic substrings in a given string using hashing.
• Implement a function to check if a string contains all the digits using a hash set.