reactii.cpp: In function 'int main()': reactii.cpp:12: error: '>>' should be '> >' within a nested template argument list reactii.cpp:23: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x reactii.cpp:23: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x