More Problems

• Create a program to find the total number of unique elements in a 2D array using hashing.
• Write a function to find the first character that occurs an even number of times in a string using hashing.
• Given two strings, write a program to find the longest common substring using a hash table.
• Implement a function to check if a string contains any digits using hashing.
• Create a program to find the maximum product of two distinct elements in an array using hashing.
• Write a function to find the total number of digits in a string using a hash map.
• Given an array, write a program to find the count of elements that are unique using hashing.
• Implement a function to check if two arrays have the same frequency of elements using hashing.