tree 0c7559ca65a3ffdd1039cdc9d58cdd078cb52d2b
parent 59182a42c34670f37e639e7e37e8dacdec71eef0
author Sameer Agarwal <sameeragarwal@google.com> 1695850258 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1695851214 -0700

Cleanup example code

Remove "using ceres:foo" directives from example code. The using
directives actually make the code harder to read unless you already
know the ceres API. By making the namespace explicit it is clear
to the reader that these are functions and objects from the Ceres
API.

Change-Id: I89b1281c754bf71c0f82e39e1607c5e40a148388