More Problems

• Write a program to convert hours to seconds.
• Write a program to check if a string is a valid integer using strtol.
• Write a program to find the longest word that is not a palindrome in a string.
• Write a program to calculate the distance between two geographical coordinates.
• Write a program to implement a basic online library system.
• Write a program to check if a string is a valid ASCII string.
• Write a program to find the average of numbers entered until zero is entered.
• Write a program to convert binary numbers to decimal.