More Problems

• Create a function to find the longest substring that can be formed by replacing characters using a hash map.
• Given a string, write a program to count the number of unique palindromic substrings using hashing.
• Write a function to find the number of distinct elements in a list of intervals using hashing.
• Implement a program to find the maximum product of three integers in an array using hashing.
• Create a function that checks if a string is a valid sequence of brackets using hashing.
• Given two arrays, write a program to find the maximum number of elements that can be chosen from both using hashing.
• Write a function to find the longest consecutive subsequence in an unsorted array using hashing.
• Create a program to check if a string can be formed by the concatenation of other strings from a list using hashing.