deletions | additions       diff --git a/C_didn_t_really_have__.tex b/C_didn_t_really_have__.tex  index 7d0a76d..667a786 100644  --- a/C_didn_t_really_have__.tex  +++ b/C_didn_t_really_have__.tex 
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C# didn't really have any good 3D surface plotter, so I didn't have time to finish this problem. Sorry Sorry.