Sudoku solver program

[kmnat]

@DHEERAJHARODE I'd like to add this problem. I request you to assign it to me

[SONUKUMARRAM145]

hello sir can u pls assign this issue to me

[Jayrajsl001]

Hello sir,
Can you please assign this issue to me.

[saku1331]

I wish to contribute. Kindly assign this to me.

[Jugnu-Gupta]

@DHEERAJHARODE can you please assign this task, i would like to contribute.
Given a partially filled 9×9 2D array ‘grid[9][9]’, the goal is to assign digits (from 1 to 9) to the empty cells so that every row, column, and subgrid of size 3×3 contains exactly one instance of the digits from 1 to 9.