More Problems

• Write a function to find the minimum length of a substring that contains all unique characters using hashing.
• Create a program that checks if an array can be sorted by swapping two elements using hashing.
• Implement a function to count the total number of lowercase letters in a string using hashing.
• Write a program to find the maximum length of a contiguous subarray with distinct characters using hashing.
• Create a function that checks if a string contains all the alphabets using hashing.
• Given a string, write a function to find the longest substring that is a palindrome using hashing.
• Write a program to count the number of times a character appears in a string using a hash table.
• Create a function that returns the first character that does not repeat in a string using hashing.