SudokuX

CodeChefRating 1969Open on judge ↗

SudokuX is a variation of the popular game Sudoku. Similar to standard Sudoku, in SudokuX, we have to enter the numbers 1 - 9 once in each row, column and 3 x 3 square within the 9x9 puzzle grid. In addition to standard Sudoku, the numbers must only occur once in each of the two diagonals. Johnny is very interested in playing SudokuX. He believes that this game is so challenging that even the bes

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solution.cppC++17

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