Data Types, Variables and Input Output Data Types, Variables and Input Output Learn Although there are many data types in c, for now you only need to learn a few. These are int, float, double, char, long long int. You can learn more about them from the following resources. Link Note GeeksForGeeks Skip void. Anisul Islam Video number 13 to 32 Practice Try to solve the following problems. If you face difficulties or this is your first time solving problem on an online platform please refer here at first. Then if you can't solve it after trying for some time you can see the solution. But try first. Otherwise it won't be beneficial for you. Problem Link Hint/Note Solution