Compilare: user.cpp: In function ‘int radacina(int)’: user.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:101:41: warning: ‘sy’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << ans << " " << sx << " " << sy << "\n"; ^ user.cpp:101:28: warning: ‘sx’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << ans << " " << sx << " " << sy << "\n"; ^