Compilare: user.cpp:16:5: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘int main()’: user.cpp:104:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=poz+1;i<sol.size();i++) ^ user.cpp:104:24: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=poz+1;i<sol.size();i++) ^