1: Implement a function to check if a string can be formed by concatenating substrings of another string using hashing.

2: Create a hash table to store the mapping of student names to their IDs.

3: Write a program to find the maximum frequency of any word in a sentence using hashing.

4: Implement a function to determine if two arrays contain the same elements using hashing.

5: Create a hash map to track the number of points scored by different players in a game.

6: Write a program to find the longest substring that contains at most three distinct characters using hashing.

7: Implement a function to check if a given string is a valid anagram of another string using hashing.

8: Create a hash table to store the mapping of song titles to their artists.

9: Write a program to find the first unique character in a string using hashing.

10: Implement a function to check if a string contains balanced parentheses using hashing.