return: path to goal (or none if no such path)
NOTE: uncommented because it enters loop and never finishes
'''
print("\n!!! DFS w/o rank/unrank !!!")
print("\n!!! DFS with rank/unrank !!!")
# DFS.DFS(test_matrix, exit, verbose=False)
'''
### DFS_cycle w/o rank/unrank ###
parameters: start matrix, goal row, verbose
return: path to goal (or none if no such path)
'''
print("\n!!! DFS_cycle w/o rank/unrank !!!")
start_time = time.time() #start keeping track of time
DFS.DFS_cycle(test_matrix, exit, verbose=False)
print("--- %s seconds ---" % (time.time() - start_time)) #print time for convinence
'''
### DFS_cycle with rank/unrank ###
parameters: start matrix, goal row, verbose
return: path to goal (or none if no such path)
'''
print("\n!!! DFS_cycle with rank/unrank !!!")
start_time = time.time() #start keeping track of time
DFS.DFS_cycle2(test_matrix, exit, verbose=False)
print("--- %s seconds ---" % (time.time() - start_time)) #print time for convinence
'''
### DFS_prune w/o rank/unrank ###
parameters: start matrix, goal row, verbose
