Error message: name lookup of ‘jj’ changed for ISO ‘for’ scoping, (if you use ‘-fpermissive’ G++ will accept your code)

Question

The error is:

In function ‘int returnShortestWeightedBranch(std::vector >*)’:
error: name lookup of ‘jj’ changed for         


        

Answer 1

False: for(...;...;...;);

True: for(...;...;...;)

You shouldn't use a semicolon, ;