def run(problem,name):
print("\n\n*******",name)
print("\nA*:")
asearcher = AStarSearcher(problem)
print("Path found:",asearcher.search()," cost=",asearcher.solution.cost)
print("there are",asearcher.frontier.count(asearcher.solution.cost),
"elements remaining on the queue with f-value=",asearcher.solution.cost)
print("\nA* with MPP:"),
msearcher = SearcherMPP(problem)
print("Path found:",msearcher.search()," cost=",msearcher.solution.cost)
print("there are",msearcher.frontier.count(msearcher.solution.cost),
"elements remaining on the queue with f-value=",msearcher.solution.cost)
bound = asearcher.solution.cost+0.01
print("\nBranch and bound (with too-good initial bound of", bound,")")
tbb = DF_branch_and_bound(problem,bound) # cheating!!!!
print("Path found:",tbb.search()," cost=",tbb.solution.cost)
print("Rerunning B&B")
print("Path found:",tbb.search())
bbound = asearcher.solution.cost*2+10
print("\nBranch and bound (with not-very-good initial bound of", bbound, ")")
tbb2 = DF_branch_and_bound(problem,bbound) # cheating!!!!
print("Path found:",tbb2.search()," cost=",tbb2.solution.cost)
print("Rerunning B&B")
print("Path found:",tbb2.search())
print("\nDepth-first search: (Use ^C if it goes on forever)")
tsearcher = Searcher(problem)
print("Path found:",tsearcher.search()," cost=",tsearcher.solution.cost)
def run(problem, name):
print("\n\n*******", name)
print("\nA*:")
tsearcher = Searcher(problem)
print("Path found:", tsearcher.search(), " cost=",
tsearcher.solution.cost)
print("there are", tsearcher.frontier.count(tsearcher.solution.cost),
"elements remaining on the queue with f-value=",
tsearcher.solution.cost)
print("\nA* with MPP:"),
msearcher = SearcherMPP(problem)
print("Path found:", msearcher.search(), " cost=",
msearcher.solution.cost)
print("there are", msearcher.frontier.count(msearcher.solution.cost),
"elements remaining on the queue with f-value=",
msearcher.solution.cost)
print("\nBranch and bound (with too-good initial bound):")
tbb = DF_branch_and_bound(problem,
tsearcher.solution.cost + 0.1) # cheating!!!!
print("Path found:", tbb.search(), " cost=", tbb.solution.cost)