Here is a really tough problem to solve. Anyone can help out?
You need to encode and decode a message in a parallelogram matrix.
Eg. If input message is, "This is a problem" then you must put it inside a odd order matrix whose order is determined by the size of the message.
Then u to encode it, u must read the message in a spiral path starting from center cell. All empty spaces if any, in the matrix are filled with "/" which will not be present in the message.
Each Cell Contains 2 charachters
For the above statement the matrix is as follows,
The input and output are: