More Problems

• Implement a function to check if two arrays have the same frequency of elements using hashing.
• Create a program to find the longest substring that contains the same character using hashing.
• Write a function to find the maximum frequency of any character in a string using a hash map.
• Given a string, write a program to count the occurrences of each letter in the English alphabet in a string using a hash map.
• Implement a function to find the first character that appears twice in a string using a hash map.
• Create a program to check if two strings are isomorphic using hashing.
• Write a function to count the total number of unique words in a paragraph using hashing.
• Given a string, write a program to check if it can be transformed into a valid number using hashing.