Compilare: user.cpp: In function ‘int main()’: user.cpp:84:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=poz;i<sol.size();i++) ^ user.cpp:84:20: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=poz;i<sol.size();i++) ^