840. Magic Squares In Grid | Leetcode Daily Challenge | DSA | Hindi
Problem Name:
840. Magic Squares In Grid
Problem Statement:
A 3 x 3 magic square is a 3 x 3 grid filled with distinct numbers from 1 to 9 such that each row, column, and both diagonals all have the same sum.
Given a row x col grid of integers, how many 3 x 3 contiguous magic square subgrids are there?
Note: while a magic square can only contain numbers from 1 to 9, grid may contain numbers up to 15.
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