Compilare: main.cpp: In function 'int lbd(int)': main.cpp:33:12: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] return ret; ^~~ main.cpp: In function 'int ubd(int)': main.cpp:46:12: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] return ret; ^~~ main.cpp: In function 'int main()': main.cpp:62:31: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << ubd(x) << '\n'; ^~~~ main.cpp:60:31: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << lbd(x) << '\n'; ^~~~