More Problems

• 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.
• Implement a function to find the longest substring that contains at most two distinct characters using hashing.
• Create a program to find the first non-repeating integer in an array using a hash map.
• Write a function to determine if two arrays can be merged into a single array that contains unique elements using hashing.
• Given a string, write a program to count the number of distinct substrings of length k using hashing.