Question

Given a 4 x 4 matrix representing a chessboard where ‘X’ indicates the presence of a pawn which can

move one step in the direction [up, down, left, right] print out the indices where it is safe to place your

pawn so that it is not in the range of the other pawns. Please write a program which works for all

arrangements and not necessarily this one. [10]​

Answer 1

Answer:

Sample Run:

Input:

. . . X

X . . X

. X X X

. . . .

Output:

Safe indices are:

0,1

3,0

Explanation: