• + 3 comments

    Hi, maybe I am confused by what constitutes an hourglass...but wouldn't 15 be the largest hourglass sum for this test case? However the expected output is 13.

    1 1 1 0 0 0

    0 1 0 0 0 0

    1 1 1 0 0 0

    0 9 2 -4 -4 0

    0 0 0 -2 0 0

    0 0 -1 -2 -4 0