Attached Links are of a sudoku solver based on backtracking algorithm. You have to enter the Numbers in the sudoku which are pregiven, blanks are represented as 0s If you are a regular sudoku solver, do give 2 mins extra on every sudoku to test the algorithm, if you find some error, Send me the sudoku to analyze the algorithm.
//Non Solvable problem will give a TLE
drive- https://drive.google.com/file/d/1sftW-u5nDWG7NKVJm_bdHQ2POrDHFBLq/view?usp=sharing