March 18, 2022
How did D-Day Ensure Victory for the Allies?
D-Day has been one of the most important days of war history. It started on June...
learning
December 29, 2021
Why do People Sneeze?
People sneeze when there are a certain number of irritants in the person’s throat or nose....
December 26, 2021
CCC ’18 J4 (S2)
Matrices are among an important group in coding problems. Matrix rotations are also vital. For instance,...
December 7, 2021
Atbash Cipher
This type of cipher is one of the easiest because each encoded letter could only be...
December 7, 2021
Caesar Cipher
This type of cipher is one of the most modern and ancient types. A message is...
December 7, 2021
Cryptography
Cryptography is the study of codes, encoding them, and decoding them. It is useful in wars,...
November 14, 2021
Test For No Errors!
Remember: in C++, a frequent thing that needs to be done is to test (use debugging...
October 22, 2021
CCC ’21 J4 – Solution
Arranging Books is a coding problem that can be viewed here. It isn’t easy, and is...
October 21, 2021
C++ substr()
In C++, the substr() method is one of the easiest functions to use to split a...
September 5, 2021
How to Find if a Number is Divisible by Another (Up to 20)
1: Yes. 2: Examine the last digit of N. If it is an even number, then...