message: Update water-and-jug-problem.py
diff: @@ -37,6 +37,6 @@ class Solution(object):
  return a
  # The problem is to solve:
  - # - check x + y >= z
  + # - check z <= x + y
  # - check if there is any (a, b) integers s.t. ax + by = z
  - return z == 0 or ((x + y >= z) and (z % gcd(x, y) == 0))
  + return z == 0 or ((z <= x + y) and (z % gcd(x, y) == 0))
  