Sudoku Solver

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Quoting Wikipedia : "Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid so that each column, each row, and each of the nine 3×3 boxes (also called blocks or regions) contains the digits from 1 to 9 only one time each. The puzzle setter provides a partially completed grid." The rules for an N2 X N2 sudoku are as follows : - The board is consists of

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L1 Observation

L2 Technique

L3 Approach

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L5 Full solution

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solution.cppC++17

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