More Problems

• Write a program to calculate the area of a triangle using Herons formula.
• Write a program to check if a given number is a Fibonacci number using recursion.
• Write a program to find the common characters in three strings.
• Write a program to implement a simple online calculator.
• Write a program to check if a string is a valid C identifier.
• Write a program to find the maximum frequency character in a string.
• Write a program to convert grams to kilograms.
• Write a program to check if a number is a perfect number using a function.