QUESTION A
0000000000600e50 d _DYNAMIC
0000000000600fe8 d GLOBAL_OFFSET_TABLE
0000000000400608 R _IO_stdin_used
w _Jv_RegisterClasses
00000000004004b4 T _Z7averagePdRd
00000000004004e2 T _Z7averageif
0000000000600e30 d CTOR_END
0000000000600e28 d CTOR_LIST
0000000000600e40 D DTOR_END
0000000000600e38 d DTOR_LIST
0000000000400738 r FRAME_END
0000000000600e48 d JCR_END
0000000000600e48 d JCR_LIST
0000000000601018 A __bss_start
0000000000601008 D __data_start
00000000004005c0 t __do_global_ctors_aux
0000000000400420 t __do_global_dtors_aux
0000000000601010 D __dso_handle
w __gmon_start__
0000000000600e24 d __init_array_end
0000000000600e24 d __init_array_start
00000000004005b0 T __libc_csu_fini
0000000000400520 T __libc_csu_init
U __libc_start_main@@GLIBC_2.2.5
0000000000601018 A _edata
0000000000601028 A _end
00000000004005f8 T _fini
0000000000400390 T _init
00000000004003d0 T _start
00000000004003fc t call_gmon_start
0000000000601018 b completed.6531
0000000000601008 W data_start
0000000000601020 b dtor_idx.6533
0000000000400490 t frame_dummy
000000000040050a T main
QUESTION B
1 8
4 8
4 8
8 8
指標裝的是記憶體位址，所以不論type是甚麼，sizeof出來都是8 bites