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python solver16.py
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218 lines (191 loc) · 6.66 KB
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def main():
open=[]
# open.append([])
# open.append([])
# open.append([])
# open.append([])
# open.append([])
closed=[]
# closed.append([])
# closed.append([])
# closed.append([])
# closed.append([])
# closed.append([])
# x=[]
# x.append([])
# x.append([])
# x.append([])
# x.append([])
intialState=[]
# initialState.append([])
# initialState.append([])
# initialState.append([])
# initialState.append([])
intialState.append([[5,7,8,1],[10,2,4,3],[6,9,11,12],[15,13,14,16]])
goalState=[]
# goalState.append([])
# goalState.append([])
# goalState.append([])
# goalState.append([])
goalState.append([[1,2,3,4],[5,6,7,8],[9,10,11,12],[13,14,15,16]])
tempState=[]
f=[]
h=[]
g=[]
fclosed=[]
hclosed=[]
gclosed=[]
fopen=[]
hopen=[]
gopen=[]
i=0
child=[]
# child.append([])
# child.append([])
# child.append([])
# child.append([])
counter1=0
j=0
k=0
l=0
a=0
# tempChild=[]
# tempChild.append([])
# tempChild.append([])
# tempChild.append([])
# tempChild.append([])
depth=0
path=[]
openPath=[]
childPath=[]
open.append(intialState)
path.append('s ')
print"hello"
while (open.count != 0):
x=open[0][0]
if x==goalState:
while (open.count !=0):
for i in range(len(open)-1):
tempState=open[i+1]
if (tempState==goalState and f[i+1]<f[i]):
x=open[i+1]
print path
return path
else:
#generate children for X
depth=depth+1
#tempElement=x[0][0]
child.append([[x[0][3],x[0][0],x[0][1],x[0][2]],
[x[1][0],x[1][1],x[1][2],x[1][3]],
[x[2][0],x[2][1],x[2][2],x[2][3]],
[x[3][0],x[3][1],x[3][2],x[3][3]]])
child[0].append('r1 ')
child.append([[x[0][0],x[0][1],x[0][2],x[0][3]],
[x[1][3],x[1][0],x[1][1],x[1][2]],
[x[2][0],x[2][1],x[2][2],x[2][3]],
[x[3][0],x[3][1],x[3][2],x[3][3]]])
child[1].append('r2 ')
child.append([[x[0][0],x[0][1],x[0][2],x[0][3]],
[x[1][0],x[1][1],x[1][2],x[1][3]],
[x[2][3],x[2][0],x[2][1],x[2][2]],
[x[3][0],x[3][1],x[3][2],x[3][3]]])
child[2].append('r3 ')
child.append([[x[0][0],x[0][1],x[0][2],x[0][3]],
[x[1][0],x[1][1],x[1][2],x[1][3]],
[x[2][0],x[2][1],x[2][2],x[2][3]],
[x[3][3],x[3][0],x[3][1],x[3][2]]])
child[3].append('r4 ')
child.append([[x[3][0],x[0][1],x[0][2],x[0][3]],
[x[0][0],x[1][1],x[1][2],x[1][3]],
[x[1][0],x[2][1],x[2][2],x[2][3]],
[x[2][0],x[3][1],x[3][2],x[3][3]]])
child[4].append('d1 ')
child.append([[x[0][0],x[3][1],x[0][2],x[0][3]],
[x[1][0],x[0][1],x[1][2],x[1][3]],
[x[2][0],x[1][1],x[2][2],x[2][3]],
[x[3][0],x[2][1],x[3][2],x[3][3]]])
child[5].append('d2 ')
child.append([[x[0][0],x[0][1],x[3][2],x[0][3]],
[x[1][0],x[1][1],x[0][2],x[1][3]],
[x[2][0],x[2][1],x[1][2],x[2][3]],
[x[3][0],x[3][1],x[2][2],x[3][3]]])
child[6].append('d3 ')
child.append([[x[0][0],x[0][1],x[0][2],x[3][3]],
[x[1][0],x[1][1],x[1][2],x[0][3]],
[x[2][0],x[2][1],x[2][2],x[1][3]],
[x[3][0],x[3][1],x[3][2],x[2][3]]])
child[7].append('d4 ')
for j in range(7):
tempChild=child[j]
counter2=0
for k in range(3):
for l in range(3):
if (tempChild[k][l]!=intialState[k][l]):
counter2=counter2 + 1
childPath[j]=openPath[0].append(child.pop(child.index(tempChild)))
h[j]=counter2
g[j]=depth
f[j]=g[j]+h[j]
if (not(tempChild in open) and (not(tempChild in closed))):
#open.append([])
#open.append([])
#open.append([])
#open.append([])
#open.append([])
openPath.append(childPath[j])
open.append(tempChild)
#add heuristic to the child
if (tempChild in open):
index = open.index(tempChild)
if(fopen[index]>f[j]):
fopen[index]=f[j]
gopen[index]=g[j]
hopen[index]=h[j]
openPath[index]=childPath[j]
if(tempChild in closed):
index=closed.index(tempChild)
if(fclosed(index)<f(j)):
closed.remove(tempChild)
path.remove(path[index])
fclosed.pop(index)
gclosed.pop(index)
hclosed.pop(index)
open.append(tempChild)
openPath.append(childPath[j])
fopen.append(f[j])
gopen.append(g[j])
hopen.append(h[j])
closed.append(x)
path.append(openPath)
open.pop(0)
fclose.append(fopen[0])
fopen.pop(0)
gclose.append(gopen[0])
gopen.pop(0)
hclose.append(hopen[0])
hopen.pop(0)
for a in range(len(hopen)-1):
if(hopen(a)>hopen(a+1)):
hopentemp=0
gopentemp=0
fopentemp=0
opentemp=[]
openPathTemp=[]
hopentemp=hopen[a]
gopentemp=gopen[a]
fopentemp=fopen[a]
opentemp=open[a]
openPathTemp=openPath[a]
hopen[a]=hopen[a+1]
gopen[a]=gopen[a+1]
fopen[a]=fopen[a+1]
open[a]=open[a+1]
openPath[a]=openPath[a+1]
hopen[a+1]=hopentemp
gopen[a+1]=gopentemp
fopen[a+1]=fopentemp
open[a+1]=opentemp
openPath[a+1]=openPathTemp
print "fail"
return fail;
main()