deba [Wed, 02 Nov 2005 15:24:38 +0000] rev 1751
Swap col and row map
deba [Wed, 02 Nov 2005 15:23:46 +0000] rev 1750
Connected components, etc...
Based on the dfs visitor interface
deba [Wed, 02 Nov 2005 15:22:28 +0000] rev 1749
Visitor interface for the dfs algorithm.