The repository includes C++ code for running the GBFHS, MMe, and A* algorithms for solving the n-puzzle problem. This is meant for experimentation only and was originally written for a paper dissection in CMU's course 15-780: Graduate Artificial Intelligence.

GBFHS paper: https://www.aaai.org/ocs/index.php/SOCS/SOCS18/paper/view/17965/17097

MM paper: https://www.aaai.org/ocs/index.php/AAAI/AAAI16/paper/view/12320

MMe paper: https://aaai.org/ocs/index.php/SOCS/SOCS16/paper/view/13959/13257