Compilare: user.cpp: In function ‘int bss(long long int)’: user.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int bsd(long long int)’: user.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int bss(long long int)’: user.cpp:13:26: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int hi = n + 1, lo = 0, mid; ^ user.cpp: In function ‘int bsd(long long int)’: user.cpp:36:26: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int hi = n + 1, lo = 0, mid; ^