Problem 2264. GJam 2011 Africa Qualifier C: House, maximum area rectangle

Created by Richard Zapor

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This Challenge is derived from <a href = "http://code.google.com/codejam/contest/837485/dashboard#s=p2">GJam 2011 Africa: Building a House</a>.
Google Code Jam 2014 Kicks Off its Qualifier round April 11. <a href = "http://code.google.com/codejam">GJam Registration</a>. The Test Suite, at the bottom, contains a full GJam file input read (fgetl, string), process, and Output example.Determine maximum area rectangular House that can be placed on a plot given a text terrain map of G-Grass,S-Shrubs,R-Rock,W-Water, and T-Tree. The house can not be placed over Water, Trees, or Rocks. Square is a special rectangle.Input: M, Text Array of GWRSTOutput: A, maximum House area that can be placedExample:<pre class="language-matlab">GGTGG A=9
TGGGG
GSSGT
GGGGT
GWGGG
RGTRT
RTGWT
WTWGR
</pre>Additional GJam solutions can be found at <a href = "http://go-hero.net/jam">Example GJam Matlab solutions</a>. Select Find Solutions, change Language to Matlab. There were only 50 Qualifier Matlab entrants in 2013 and a mere 2 Matlab users achieved round 2.

This Challenge is derived from <http://code.google.com/codejam/contest/837485/dashboard#s=p2 GJam 2011 Africa: Building a House>.
Google Code Jam 2014 Kicks Off its Qualifier round April 11. <http://code.google.com/codejam GJam Registration>. The Test Suite, at the bottom, contains a full GJam file input read (fgetl, string), process, and Output example.

Determine maximum area rectangular House that can be placed on a plot given a text terrain map of G-Grass,S-Shrubs,R-Rock,W-Water, and T-Tree. The house can not be placed over Water, Trees, or Rocks.  Square is a special rectangle.

*Input:* M, Text Array of GWRST

*Output:* A, maximum House area that can be placed

*Example:*

GGTGG  A=9
  TGGGG
  GSSGT
  GGGGT
  GWGGG
  RGTRT
  RTGWT
  WTWGR

Additional GJam solutions can be found at <http://go-hero.net/jam Example GJam Matlab solutions>. Select Find Solutions, change Language to Matlab. There were only 50 Qualifier Matlab entrants in 2013 and a mere 2 Matlab users achieved round 2.

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Problem 2264. GJam 2011 Africa Qualifier C: House, maximum area rectangle

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Problem 2264. GJam 2011 Africa Qualifier C: House, maximum area rectangle

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