More Problems

• Write a program to find the number of prime numbers in a given range.
• Write a program to convert a binary number to decimal.
• Write a program to calculate the area of a sector of a circle.
• Write a program to implement a simple task manager.
• Write a program to find the number of uppercase and lowercase letters in a string.
• Write a program to check if a string is a valid identifier according to C rules.
• Write a program to find the first occurrence of a substring in a string.
• Write a program to calculate the average of grades entered by the user.