Dynamic programming--circuit board

p=[0,8,7,4,2,5,1,9,3,10,6]
size= [[0 for col in range(0,11)] for row in range(0,11)]
def calc_max_num():
 for j in range(1,11):
  if (j >= p[0]):
   size[1][j] = 1
  else:
   size[1][j] = 0
 for i  in range(1,11):
  for j in range(1,p[i]):
   size[i][j] = size[i-1][j]
  for j in range(p[i],11):
   size[i][j] = max(size[i-1][p[i]-1]+1, size[i-1][j])

def get_cur_lines(size, i,j):
 while (size[i][j]!=0):
  if (size[i][j] != size[i-1][j]):
   print i,p[i]
   j = p[i]-1
   i = i-1
  else:
   i = i-1
   j =j

 
calc_max_num()
print size[10][10]
get_cur_lines(size,10,10)