Answer:
.Ltext0:
.local _ZStL8__ioinit
.comm _ZStL8__ioinit,1,1
.section .rodata
.LC1:
0000 66696C6C .string \"fill in the \"
.LC2:
000d 206E756D .string \" number. :\"
.text
.globl main
main:
.LFB1021:
.cfi_startproc
0000 55 pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
0001 4889E5 movq %rsp, %rbp
.cfi_def_cfa_register 6
0004 53 pushq %rbx
0005 4883EC78 subq $120, %rsp
.cfi_offset 3, -24
0009 64488B04 movq %fs:40, %rax
0012 488945E8 movq %rax, -24(%rbp)
0016 31C0 xorl %eax, %eax
0018 660FEFC0 pxor %xmm0, %xmm0
001c F30F1145 movss %xmm0, -120(%rbp)
0021 C7458C14 movl $20, -116(%rbp)
.LBB2:
0028 C7458400 movl $0, -124(%rbp)
.L3:
002f 8B4584 movl -124(%rbp), %eax
0032 3B458C cmpl -116(%rbp), %eax
0035 7D50 jge .L2
0081 83458401 addl $1, -124(%rbp)
0085 EBA8 jmp .L3
0037 8B4584 movl -124(%rbp), %eax
003a 8D5801 leal 1(%rax), %ebx
003d BE000000 movl $.LC1, %esi
0042 BF000000 movl $_ZSt4cout, %edi
0047 E8000000 call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
004c 89DE movl %ebx, %esi
004e 4889C7 movq %rax, %rdi
0051 E8000000 call _ZNSolsEi
0056 BE000000 movl $.LC2, %esi
005b 4889C7 movq %rax, %rdi
005e E8000000 call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
0063 488D4590 leaq -112(%rbp), %rax
0067 8B5584 movl -124(%rbp), %edx
006a 4863D2 movslq %edx, %rdx
006d 48C1E202 salq $2, %rdx
0071 4801D0 addq %rdx, %rax
0074 4889C6 movq %rax, %rsi
0077 BF000000 movl $_ZSt3cin, %edi
007c E8000000 call _ZNSirsERi
.L2:
.LBE2:
0087 8B558C movl -116(%rbp), %edx
008a 488D4590 leaq -112(%rbp), %rax
008e 89D6 movl %edx, %esi
0090 4889C7 movq %rax, %rdi
0093 E8000000 call _Z4sortPii
0098 B8000000 movl $0, %eax
009d 488B4DE8 movq -24(%rbp), %rcx
00a1 6448330C xorq %fs:40, %rcx
00aa 7405 je .L5
00ac E8000000 call __stack_chk_fail
.L5:
00b1 4883C478 addq $120, %rsp
00b5 5B popq %rbx
00b6 5D popq %rbp
.cfi_def_cfa 7, 8
00b7 C3 ret
.cfi_endproc
.LFE1021:
.section .rodata
.LC3:
0018 54686520 .string \"The mean is \"
.text
.globl _Z4meanPii
_Z4meanPii:
.LFB1022:
.cfi_startproc
00b8 55 pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
00b9 4889E5 movq %rsp, %rbp
.cfi_def_cfa_register 6
00bc 4883EC20 subq $32, %rsp
00c0 48897DE8 movq %rdi, -24(%rbp)
00c4 8975E4 movl %esi, -28(%rbp)
00c7 660FEFC0 pxor %xmm0, %xmm0
00cb F30F1145 movss %xmm0, -8(%rbp)
.LBB3:
00d0 C745FC00 movl $0, -4(%rbp)
.L8:
00d7 8B45FC movl -4(%rbp), %eax
00da 3B45E4 cmpl -28(%rbp), %eax
00dd 7D32 jge .L7
010b 8345FC01 addl $1, -4(%rbp)
010f EBC6 jmp .L8
00df 8B45FC movl -4(%rbp), %eax
00e2 4898 cltq
00e4 488D1485 leaq 0(,%rax,4), %rdx
00ec 488B45E8 movq -24(%rbp), %rax
00f0 4801D0 addq %rdx, %rax
00f3 8B00 movl (%rax), %eax
00f5 660FEFC0 pxor %xmm0, %xmm0
00f9 F30F2AC0 cvtsi2ss %eax, %xmm0
00fd F30F104D movss -8(%rbp), %xmm1
0102 F30F58C1 addss %xmm1, %xmm0
0106 F30F1145 movss %xmm0, -8(%rbp)
.L7:
.LBE3:
0111 660FEFC0 pxor %xmm0, %xmm0
0115 F30F2A45 cvtsi2ss -28(%rbp), %xmm0
011a F30F104D movss -8(%rbp), %xmm1
011f F30F5EC8 divss %xmm0, %xmm1
0123 F30F114D movss %xmm1, .