Compilare: user.cpp: In function ‘int main()’: user.cpp:14:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < s.size(); ++i) ^ user.cpp:43:19: warning: ‘ansj’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<ansi<<" "<<ansj<<" "<<ans; ^ user.cpp:43:8: warning: ‘ansi’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<ansi<<" "<<ansj<<" "<<ans; ^