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Hi!!
I have created this project just to share my little successes with everyone. Sudoku is one of my likings and I usually spend some time solving them. One day while solving, a thought strike me that why should not I create a simple C or C++ program that can solve it in seconds. Then I tried hard and hard and came up with a rough algo in C with some graphics. Although the graphics work quite well the algo was poor, had lots of bugs.
But the second algo is best. It is a small code, uses back tracking method. So its complexity is exponential. I have tried the hardest sudokus ever from the internet and it has solved every. I invite you to explore the code and suggest me some new ideas.
regards
chirag
