first commit
finished DFS
no message
A* finished
corner problem finished
try heuristics
sonnywangtekiMacBook:search sonnywang$ python pacman.py -l mediumCorners -p AStarCornersAgent -z 0.5
Path found with total cost of 106 in 1.9 seconds
Search nodes expanded: 1052
Pacman emerges victorious! Score: 434
fix some code
finalize
Merge branch 'master' of https://github.com/mesonny/NTU_AI