More Problems

• Write a program to implement a stack using an array.
• Write a program to check if two strings are anagrams.
• Write a program to rotate an array to the left by k positions.
• Write a program to find the GCD of two numbers using the Euclidean algorithm.
• Write a program to find the LCM of two numbers.
• Write a program to implement a basic text editor.
• Write a program to count the frequency of each character in a string.
• Write a program to calculate the sum of digits of a number using recursion.