More Problems

• Create a function to count the number of valid combinations of parentheses using hashing.
• Given two strings, write a program to check if they can be made equal by rearranging substrings using hashing.
• Write a function to find the minimum number of swaps required to sort an array using hashing.
• Create a program to find the maximum length of a subarray with a sum of zero using hashing.
• Given a string, implement a function to count the number of distinct permutations using hashing.
• Write a function to find the count of unique integers in a list of intervals using hashing.
• Create a program to check if a string can be rearranged to form a valid number using hashing.
• Given an array, write a program to find the maximum frequency of any element using a hash map.