The problem I am talking about is the one below : Consider a rat placed at (0, 0) in a square matrix m[ ][ ] of order n and has to reach the destination at (n-1
I have to make a pairwise BIBD in C (using backtracking), but i don't know how to generate the blocks and check for pairs of points I thought I could make a 2d
I have a crossword puzzle and a list of words which can be used to solve it (words can be placed multiple times or not even once). There is al