new_contents: #!/usr/bin/env python
  # encoding: utf-8
  
  """
  rectangle-area.py
   
  Created by Shuailong on 2016-02-28.
  
  https://leetcode.com/problems/rectangle-area/.
  
  """
  
  class Solution(object):
      def computeArea(self, A, B, C, D, E, F, G, H):
          """
          :type A: int
          :type B: int
          :type C: int
          :type D: int
          :type E: int
          :type F: int
          :type G: int
          :type H: int
          :rtype: int
          """
          areaA = (C-A)*(D-B)
          areaB = (G-E)*(H-F)
          intersec = 0
          if E > C or A > G or F > D or B > H:
              intersec = 0
          else:
              Xs = [A, C, E, G]
              Xs.sort()
              Ys = [B, D, F, H]
              Ys.sort()
              intersec = (Xs[2]-Xs[1])*(Ys[2]-Ys[1])
  
          # print areaA, areaB, intersec
          return areaA + areaB - intersec
          
  def main():
      solution = Solution()
      A = -3
      B = 0
      C = 3
      D = 4
      E = 0
      F = -1
      G = 9
      H = 2
      # A = 0
      # B = 0
      # C = 0
      # D = 0
      # E = -1
      # F = -1
      # G = 1
      # H = 1
      print solution.computeArea(A, B, C, D, E, F, G, H)
      
  if __name__ == '__main__':
      main()
  
          
subject: solve 1 problem