Installation instructions (simple): 1. cd into this directory 2. mkdir build 3. cd build 4. cmake ../ 5. make To run exemplary puzzle: "./main ../examples/sudoku_e1.txt" Remark: This algorithm is not perfect. It makes use of good guesses at certain steps and proceeds recursively until a solution is found, the number of guesses exceeds three or there are no more further possibilities for setting numbers.