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Language: Sudoku Checker
Description The puzzle game of Sudoku is played on a board of The sudoku position is correct when numbers in each row, each column and each square are different. The goal of the game is, starting from some correct position, fill all empty cells so that the final position is still correct. This game is fairly popular in the Internet, and there are many sites which allow visitors to solve puzzles online. Such sites always have a subroutine to determine a correctness of a given position. You are to write such a routin. Input Input file contains integer
1 ≤ Output Output file must contain a single string 'CORRECT' or 'INCORRECT'. Sample Input
Sample Output
Hint Bold texts appearing in the sample sections are informative and do not form part of the actual data. Source Northeastern Europe 2005, Far-Eastern Subregion |

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