Question

We have a grid of the order 7×7. Let us introduce a new chess piece - “A plus sign”. It is basically a king that can move just one square in the horizontal and vertical directions. You have to place the new piece on the board, You win the game if any one of the four squares is unavailable for the King to move. Find the minimum number of squares to be blocked or deleted on the grid so that any king rook could be placed on the grid such that it won’t be able to move.

Answer 1

Answer:

49

Step-by-step explanation:

because 7×7=49

anser is 49