plimbare.cpp: In function 'std::vector<triplet, std::allocator<triplet> > smaller(std::vector<triplet, std::allocator<triplet> >, std::vector<triplet, std::allocator<triplet> >)': plimbare.cpp:35: warning: comparison between signed and unsigned integer expressions plimbare.cpp: In function 'int main()': plimbare.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x plimbare.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x plimbare.cpp:89: warning: comparison between signed and unsigned integer expressions