36 lines
988 B
Python
36 lines
988 B
Python
|
#!/usr/bin/python
|
||
|
|
||
|
import sys
|
||
|
|
||
|
start = 0; #Initial node for search \ start element in result chain.
|
||
|
|
||
|
def deep (path):
|
||
|
for i in range(0, len(matrix[0])): # len(matrix[0]) - number of iterations
|
||
|
if matrix[path[-1]][i] != 0: # path[-1] - last element in chain
|
||
|
if i not in path: # if element not in chain already and has a connection w\ prev. node -- connect
|
||
|
newPath = list(path) # a = b not equal a = copy(b) >_<
|
||
|
newPath.append(i)
|
||
|
|
||
|
if len(newPath) == len(matrix[0]): #
|
||
|
if matrix[newPath[0]][newPath[-1]] != 0: # check connection for first and last nodes
|
||
|
print newPath
|
||
|
return 1
|
||
|
|
||
|
fin = deep ( newPath )
|
||
|
if fin == 1: # exit if path found
|
||
|
return 1
|
||
|
|
||
|
return 0
|
||
|
|
||
|
|
||
|
f = open (sys.argv[1])
|
||
|
matrix = [ map(int,line.split(';')) for line in f ]
|
||
|
|
||
|
|
||
|
while True:
|
||
|
my_path = [ start ]
|
||
|
res = deep( my_path )
|
||
|
if res == 0 and len(matrix[0]) > start + 1:
|
||
|
start += 1
|
||
|
else:
|
||
|
break
|