Compilare: main.cpp: In function 'int main()': main.cpp:27:27: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] g << ub(x) << '\n'; ^~~~ main.cpp:25:27: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] g << lb(x) << '\n'; ^~~~ main.cpp: In function 'int lb(int)': main.cpp:57:12: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] return p; ^ main.cpp: In function 'int ub(int)': main.cpp:70:12: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] return p; ^