Armadillo error [closed]

edit

I install Armadillo step by step. when I run cpp file on visual studio 2010. there is warning that 1>CL : warning : this compiler is outdated and has incomplete support for the C++ standard; 1>CL : warning : if something breaks, you get to keep all the pieces 1>e:\armadillo\include\armadillo_bits\fn_kmeans.hpp(21): error C4430: lack typename - suppose int。note: C++ does not support default int 1>e:\armadillo\include\armadillo_bits\fn_kmeans.hpp(21): error C2143: lack “,”(before“&”)