More Problems

• Implement a function to find the longest substring with exactly k distinct characters using hashing.
• Create a program to find the frequency of each letter in the English alphabet in a string using a hash map.
• Write a function to find the total number of consonants in a string using a hash map.
• Given a string, write a program to find all unique characters using a hash set.
• Create a function that checks if a string can be transformed into another using hashing.
• Write a function to count the occurrences of a specific letter in a string using a hash map.
• Implement a function to find the longest substring that contains the same character using hashing.
• Create a program to check if two strings are made up of the same characters using hashing.