user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<preferd>:
  endbr64
  push   %rbp
  mov    %edi,%ecx
  mov    $0x1,%edx
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbx
  mov    $0x1,%ebx
  sub    $0x88,%rsp
  mov    %rsi,-0xa0(%rbp)
  lea    -0x3c(%rbp),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %ebx,%eax
  movl   $0x0,-0x3c(%rbp)
  shl    %cl,%eax
  mov    %eax,-0x94(%rbp)
  xor    %eax,%eax
  call   <mls@plt>
  lea    0x2(%r12),%ecx
  cltq
  shr    %ecx
  mov    %rax,-0x60(%rbp)
  mov    -0x3c(%rbp),%eax
  shl    %cl,%ebx
  mov    %rsp,%rcx
  lea    -0x1(%rbx),%r14d
  not    %ebx
  mov    %rax,-0x70(%rbp)
  mov    %rax,%r8
  imul   %rax,%rax
  mov    %ebx,-0x48(%rbp)
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L313
L88:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L88
L313:
  mov    %rdx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  jne    L267
L141:
  lea    0x1(%r8),%eax
  mov    %rsp,%rdx
  mov    %rsp,-0x68(%rbp)
  lea    0xf(,%rax,4),%rax
  shr    $0x4,%rax
  shl    $0x4,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  sub    %rcx,%rdx
  cmp    %rdx,%rsp
  je     L171
L354:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rdx,%rsp
  jne    L354
L171:
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  jne    L208
L271:
  lea    0x3(%rsp),%rax
  mov    %rax,%rbx
  and    $0xfffffffffffffffc,%rax
  mov    %rax,-0x90(%rbp)
  mov    -0x94(%rbp),%eax
  shr    $0x2,%rbx
  mov    %rbx,-0xa8(%rbp)
  lea    -0x1(%rax),%r15d
  test   %r8d,%r8d
  je     L308
  mov    -0x70(%rbp),%rax
  movl   $0x0,-0x50(%rbp)
  mov    %r15d,%r13d
  add    $0x1,%rax
  mov    %rax,-0x88(%rbp)
  nopl   0x0(%rax)
L194:
  mov    -0x50(%rbp),%eax
  mov    -0x68(%rbp),%rbx
  mov    %rax,%rdi
  imul   -0x88(%rbp),%rax
  movb   $0x0,(%rbx,%rax,1)
  mov    %edi,%eax
  add    $0x1,%edi
  mov    %edi,-0x50(%rbp)
  cmp    %r8d,%edi
  jae    L393
  mov    -0x60(%rbp),%rbx
  mov    %rax,-0x80(%rbp)
  mov    %r13d,%r15d
  mov    %edi,-0x4c(%rbp)
  lea    (%rbx,%rax,8),%r12
  imul   -0x70(%rbp),%rax
  mov    %rax,-0x78(%rbp)
  nopw   0x0(%rax,%rax,1)
L159:
  test   %r15d,%r15d
  je     L330
  mov    -0x4c(%rbp),%eax
  mov    -0x60(%rbp),%rbx
  xor    %r13d,%r13d
  mov    %rax,-0x58(%rbp)
  lea    (%rbx,%rax,8),%rbx
  mov    %r15d,%eax
  mov    %r13d,%r15d
  mov    %eax,%r13d
  nopl   0x0(%rax)
L45:
  mov    (%rbx),%rsi
  mov    (%r12),%rdi
  mov    %r15d,%ecx
  mov    %r13d,%edx
  xor    %eax,%eax
  call   <innerPro@plt>
  cmp    $0xffffffff,%eax
  setne  %cl
  cmp    %eax,%r14d
  setne  %dl
  test   %dl,%cl
  je     L258
  cmp    %eax,-0x48(%rbp)
  jne    L350
L258:
  add    $0x1,%r15d
  cmp    %r13d,%r15d
  jne    L45
  mov    -0x3c(%rbp),%r8d
  mov    %r13d,%r15d
  mov    $0x1,%eax
L115:
  mov    -0x68(%rbp),%rbx
  mov    -0x58(%rbp),%rdi
  mov    -0x78(%rbp),%rsi
  addl   $0x1,-0x4c(%rbp)
  mov    %rbx,%rcx
  add    -0x80(%rbp),%rbx
  add    %rdi,%rcx
  imul   -0x70(%rbp),%rdi
  mov    %al,(%rcx,%rsi,1)
  mov    %al,(%rbx,%rdi,1)
  mov    -0x4c(%rbp),%eax
  cmp    %r8d,%eax
  jb     L159
  mov    %r15d,%r13d
  cmp    %r8d,-0x50(%rbp)
  jb     L194
L393:
  mov    %r13d,%r15d
L308:
  xor    %r9d,%r9d
  mov    -0x70(%rbp),%rdi
  mov    -0x68(%rbp),%r12
  xor    %r11d,%r11d
  mov    -0xa8(%rbp),%rax
  lea    0x1(%r9),%esi
  mov    -0x90(%rbp),%r10
  movl   $0x0,0x0(,%rax,4)
  cmp    %r8d,%esi
  jae    L270
L309:
  mov    %r11d,%ebx
  jmp    L202
L25:
  add    $0x1,%esi
  cmp    %r8d,%esi
  je     L46
L202:
  mov    %r9d,%eax
  mov    %esi,%ecx
  imul   %rdi,%rax
  add    %r12,%rcx
  cmpb   $0x0,(%rcx,%rax,1)
  je     L25
  mov    %ebx,%eax
  sub    $0x1,%eax
  js     L161
  cltq
  nopl   0x0(%rax,%rax,1)
L359:
  mov    (%r10,%rax,4),%edx
  imul   %rdi,%rdx
  cmpb   $0x1,(%rcx,%rdx,1)
  jne    L25
  sub    $0x1,%rax
  test   %eax,%eax
  jns    L359
L161:
  lea    0x1(%rbx),%eax
  mov    %esi,%r9d
  mov    %esi,(%r10,%rax,4)
  add    $0x1,%esi
  mov    %rax,%rbx
  cmp    %r8d,%esi
  jne    L202
L46:
  cmp    %r11d,%ebx
  je     L270
  lea    0x1(%r9),%esi
  mov    %ebx,%r11d
  cmp    %r8d,%esi
  jb     L309
L270:
  mov    -0xa0(%rbp),%rax
  lea    0x1(%r11),%r13d
  mov    %r15d,%ebx
  lea    0x0(,%r13,8),%rdi
  mov    %r13,-0x48(%rbp)
  mov    %r13d,(%rax)
  call   <malloc@plt>
  mov    %r13,%rdi
  imul   %rbx,%rdi
  mov    %rax,%r14
  shl    $0x2,%rdi
  call   <malloc@plt>
  mov    %rax,%rdx
  test   %r13d,%r13d
  je     L201
  mov    %r15d,%eax
  xor    %r8d,%r8d
  xor    %esi,%esi
  shr    $0x2,%eax
  lea    -0x1(%rax),%edi
  mov    %r15d,%eax
  and    $0xfffffffc,%eax
  add    $0x1,%rdi
  lea    0x1(%rax),%r13d
  lea    0x2(%rax),%r12d
  mov    %eax,%r11d
  mov    %eax,-0x58(%rbp)
  mov    -0x94(%rbp),%eax
  mov    %r13d,-0x68(%rbp)
  shl    $0x4,%rdi
  shl    $0x2,%r11
  mov    %r12d,-0x70(%rbp)
  shl    $0x2,%r13
  shl    $0x2,%r12
  sub    $0x2,%eax
  mov    %eax,-0x4c(%rbp)
  nop
L248:
  mov    %r8d,%eax
  lea    (%rdx,%rax,4),%rax
  mov    %rax,(%r14,%rsi,8)
  test   %r15d,%r15d
  je     L226
  mov    -0x90(%rbp),%rcx
  mov    -0x60(%rbp),%r10
  mov    %rax,%r9
  mov    (%rcx,%rsi,4),%ecx
  mov    (%r10,%rcx,8),%rcx
  lea    0x4(%rcx),%r10
  sub    %r10,%r9
  cmp    $0x8,%r9
  mov    $0x0,%r9d
  jbe    L295
  cmpl   $0x2,-0x4c(%rbp)
  jbe    L295
  cs nopw 0x0(%rax,%rax,1)
L99:
  movdqu (%rcx,%r9,1),%xmm0
  movups %xmm0,(%rax,%r9,1)
  add    $0x10,%r9
  cmp    %rdi,%r9
  jne    L99
  cmp    %r15d,-0x58(%rbp)
  je     L226
  mov    (%rcx,%r11,1),%r9d
  mov    %r9d,(%rax,%r11,1)
  cmp    %r15d,-0x68(%rbp)
  jae    L226
  mov    (%rcx,%r13,1),%r9d
  mov    %r9d,(%rax,%r13,1)
  cmp    -0x70(%rbp),%r15d
  jbe    L226
  mov    (%rcx,%r12,1),%ecx
  mov    %ecx,(%rax,%r12,1)
L226:
  add    $0x1,%rsi
  add    %r15d,%r8d
  cmp    -0x48(%rbp),%rsi
  jne    L248
L201:
  mov    -0x60(%rbp),%rbx
  mov    (%rbx),%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L328
  lea    -0x28(%rbp),%rsp
  mov    %r14,%rax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L267:
  orq    $0x0,-0x8(%rsp,%rax,1)
  jmp    L141
  nop
L350:
  mov    -0x3c(%rbp),%r8d
  mov    %r13d,%r15d
  xor    %eax,%eax
  jmp    L115
L330:
  mov    -0x4c(%rbp),%edi
  mov    $0x1,%eax
  mov    %rdi,-0x58(%rbp)
  jmp    L115
  nop
L295:
  mov    (%rcx,%r9,4),%r10d
  mov    %r10d,(%rax,%r9,4)
  add    $0x1,%r9
  cmp    %r9,%rbx
  jne    L295
  jmp    L226
L208:
  orq    $0x0,-0x8(%rsp,%rax,1)
  jmp    L271
L328:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int **preferd(unsigned n, unsigned *pref_size) {
  unsigned N = 1 << n;
  unsigned i, j, k;
  int l;
  unsigned mls_size = 0;
  int **m = mls(n, &mls_size, 1);
  int mini_val1 = -1;
  int mini_val2 = -1 + (1 << ((n + 2) / 2));
  int mini_val3 = -1 - (1 << ((n + 2) / 2));
  char mat[mls_size][mls_size];
  unsigned pair[mls_size + 1], depth = 0, pdepth = 1;
  int **prefm, *prefmp;
  for (i = 0; i < mls_size; i++) {
    mat[i][i] = 0;
    for (j = i + 1; j < mls_size; j++) {
      char flag = 1;
      for (k = 0; k < N - 1; k++) {
        int inn = innerPro(m[i], m[j], N - 1, k);
        if (inn != mini_val1 && inn != mini_val2 && inn != mini_val3) {
          flag = 0;
          break;
        }
      }
      mat[i][j] = flag;
      mat[j][i] = flag;
    }
  }
  pair[depth] = 0;
  while (pdepth != depth) {
    pdepth = depth;
    for (i = pair[depth] + 1; i < mls_size; i++) {
      if (mat[pair[depth]][i]) {
        int flag = 1;
        for (l = depth - 1; l >= 0; l--)
          if (mat[pair[l]][i] != 1) {
            flag = 0;
            break;
          }
        if (flag)
          pair[++depth] = i;
      }
    }
  }
  *pref_size = depth + 1;
  prefm = malloc(sizeof(int *) * (*pref_size));
  prefmp = malloc(sizeof(int) * (*pref_size) * (N - 1));
  for (i = 0; i < depth + 1; i++) {
    prefm[i] = prefmp + i * (N - 1);
    for (j = 0; j < N - 1; j++)
      prefm[i][j] = m[pair[i]][j];
  }
  free(*m);
  free(m);
  return prefm;
}
```