More Problems

• Write a program to check if two strings are rotations of each other.
• Write a program to find the length of a sentence without using built-in functions.
• Write a program to implement a simple phone book application.
• Write a program to check if a given number is an octagonal number.
• Write a program to calculate the sum of the first n triangular numbers.
• Write a program to convert a number from decimal to hexadecimal.
• Write a program to check if a string contains any special characters.
• Write a program to find the average of numbers in an array.