1_invpow
========

>>> from invpow import invpow

>>> round(invpow(1.1, 1e-2), 4)    # doctesttag: +TAG=1_invpow
9.9847

>>> round(invpow(1.2, 1e-2), 4)    # doctesttag: +TAG=1_invpow
5.7296

>>> round(invpow(1.1, 1e-4), 4)    # doctesttag: +TAG=1_invpow
10.9895

>>> round(invpow(2.1, 1e-2), 4)    # doctesttag: +TAG=1_invpow
1.8985

>>> round(invpow(2.0, 1e-3), 4)    # doctesttag: +TAG=1_invpow
1.998

>>> round(invpow(3.5, 1e-2), 4)    # doctesttag: +TAG=1_invpow
1.3973

>>> round(invpow(3.5, 1e-10), 4)    # doctesttag: +TAG=1_invpow
1.4




2_drunken_knight
================

>>> from drunken_knight import drunken_knight

>>> l = [3, 2, 0, 1]
>>> drunken_knight(l, 3)
>>> l == [-1,-1,-1,-1]    # doctesttag: +TAG=2_drunken_knight
True

>>> l = [1, 2, 3, 4]
>>> drunken_knight(l, 0)
>>> l == [-1,-1,-1,-1]    # doctesttag: +TAG=2_drunken_knight
True

>>> l = [2, 3, 4, 3, 0]
>>> drunken_knight(l, 2)
>>> l == [-1, 3, -1, 3, -1]    # doctesttag: +TAG=2_drunken_knight
True

>>> l = [0, 2, 3, 4, 3, 0]
>>> drunken_knight(l, 2)
>>> l == [0, 2, -1, -1, -1, 0]    # doctesttag: +TAG=2_drunken_knight
True

>>> l = [0]
>>> drunken_knight(l, 0)
>>> l == [-1]    # doctesttag: +TAG=2_drunken_knight
True

>>> l = [0]
>>> drunken_knight(l, 1)
>>> l == [0]    # doctesttag: +TAG=2_drunken_knight
True