user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  lea    -0x3c(%rbp),%rsi
  push   %r13
  push   %r12
  lea    D8(%rip),%r12
  push   %rbx
  mov    %r12,%rdi
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  call   <scanf@plt>
  movslq -0x3c(%rbp),%rax
  mov    %rsp,%rdi
  mov    %rax,%rsi
  shl    $0x2,%rax
  lea    0xf(%rax),%rdx
  mov    %rdx,%rcx
  and    $0xfffffffffffff000,%rdx
  sub    %rdx,%rdi
  and    $0xfffffffffffffff0,%rcx
  cmp    %rdi,%rsp
  je     L197
L139:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rdi,%rsp
  jne    L139
L197:
  and    $0xfff,%ecx
  sub    %rcx,%rsp
  test   %rcx,%rcx
  jne    L205
L44:
  add    $0xb,%rax
  mov    %rsp,%rdi
  mov    %rsp,%r13
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rax
  and    $0xfffffffffffffff0,%rcx
  sub    %rax,%rdi
L194:
  cmp    %rdi,%rsp
  je     L131
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L194
L205:
  orq    $0x0,-0x8(%rsp,%rcx,1)
  jmp    L44
L131:
  and    $0xfff,%ecx
  sub    %rcx,%rsp
  test   %rcx,%rcx
  jne    L182
L10:
  lea    0x3(%rsp),%rcx
  mov    %rcx,%rax
  mov    %rcx,%rbx
  shr    $0x2,%rax
  and    $0xfffffffffffffffc,%rbx
  mov    %rax,-0x48(%rbp)
  test   %esi,%esi
  jle    L6
  mov    %r13,%r15
  xor    %r14d,%r14d
  nopw   0x0(%rax,%rax,1)
L75:
  mov    %r15,%rsi
  mov    %r12,%rdi
  add    $0x1,%r14d
  add    $0x4,%r15
  call   <scanf@plt>
  mov    -0x3c(%rbp),%ecx
  cmp    %r14d,%ecx
  jg     L75
  cmp    $0x1,%ecx
  jle    L6
  lea    -0x2(%rcx),%eax
  lea    -0x1(%rcx),%edi
  cmp    $0x2,%eax
  jbe    L122
  mov    %edi,%esi
  xor    %eax,%eax
  shr    $0x2,%esi
  shl    $0x4,%rsi
  cs nopw 0x0(%rax,%rax,1)
L129:
  movdqu 0x4(%r13,%rax,1),%xmm0
  movdqu 0x0(%r13,%rax,1),%xmm2
  psubd  %xmm2,%xmm0
  movups %xmm0,(%rbx,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rsi
  jne    L129
  mov    %edi,%esi
  and    $0xfffffffc,%esi
  mov    %esi,%eax
  cmp    %edi,%esi
  je     L6
L181:
  sub    %esi,%ecx
  lea    -0x1(%rcx),%edi
  cmp    $0x2,%ecx
  je     L37
  add    $0x1,%esi
  lea    0x0(,%rsi,4),%rcx
  movq   0x0(%r13,%rsi,4),%xmm0
  movq   -0x4(%r13,%rcx,1),%xmm1
  psubd  %xmm1,%xmm0
  movq   %xmm0,-0x4(%rbx,%rcx,1)
  mov    %edi,%ecx
  and    $0xfffffffe,%ecx
  add    %ecx,%eax
  cmp    %ecx,%edi
  je     L6
L37:
  movslq %eax,%rcx
  add    $0x1,%eax
  cltq
  mov    0x0(%r13,%rax,4),%eax
  sub    0x0(%r13,%rcx,4),%eax
  mov    %eax,(%rbx,%rcx,4)
L6:
  mov    -0x48(%rbp),%rax
  mov    0x0(,%rax,4),%edi
  mov    0x4(,%rax,4),%esi
  call   <gcd@plt>
  cmpl   $0x1,-0x3c(%rbp)
  mov    %eax,%edi
  jle    L14
  xor    %r13d,%r13d
  nopl   0x0(%rax)
L147:
  mov    (%rbx,%r13,4),%esi
  add    $0x1,%r13
  call   <gcd@plt>
  mov    %eax,%edi
  mov    -0x3c(%rbp),%eax
  sub    $0x1,%eax
  cmp    %r13d,%eax
  jg     L147
  test   %eax,%eax
  jle    L14
  mov    %rbx,%rcx
  lea    (%rbx,%rax,4),%r8
  xor    %esi,%esi
  nopw   0x0(%rax,%rax,1)
L66:
  mov    (%rcx),%eax
  add    $0x4,%rcx
  cltd
  idiv   %edi
  lea    -0x1(%rsi,%rax,1),%esi
  cmp    %r8,%rcx
  jne    L66
L140:
  mov    %r12,%rdi
  call   <printf@plt>
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L58
  lea    -0x28(%rbp),%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L14:
  xor    %esi,%esi
  jmp    L140
L122:
  xor    %esi,%esi
  xor    %eax,%eax
  jmp    L181
L182:
  orq    $0x0,-0x8(%rsp,%rcx,1)
  jmp    L10
L58:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D8
datatype: string

tool: D8: %d

assistant: ```c
int main() {
  int num, i, j, gcd1, sum = 0;
  scanf("%d", &num);
  int input[num];
  int diff[num - 1];
  for (i = 0; i < num; i++) {
    scanf("%d", &input[i]);
  }
  for (i = 0; i < num - 1; i++) {
    diff[i] = input[i + 1] - input[i];
  }
  gcd1 = gcd(diff[0], diff[1]);
  for (i = 0; i < num - 1; i++) {
    gcd1 = gcd(gcd1, diff[i]);
  }
  for (i = 0; i < num - 1; i++) {
    sum += ((diff[i] / gcd1) - 1);
  }
  printf("%d", sum);
  return 0;
}
```