user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  lea    -0x3c(%rbp),%rsi
  lea    D36(%rip),%rdi
  call   <scanf@plt>
  mov    -0x3c(%rbp),%ecx
  movslq %ecx,%rdx
  shl    $0x2,%rdx
  lea    0xf(%rdx),%rax
  mov    %rax,%rdi
  and    $0xfffffffffffffff0,%rdi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rsi
  sub    %rax,%rsi
L179:
  cmp    %rsi,%rsp
  je     L82
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L179
L82:
  mov    %rdi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L37
  orq    $0x0,-0x8(%rsp,%rax,1)
L37:
  mov    %rsp,%rbx
  lea    0x1(%rcx),%eax
  cltq
  lea    0x4(%rdx),%rdi
  mov    %rdi,-0x60(%rbp)
  imul   %rax,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffffff0,%rdx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rsi
  sub    %rax,%rsi
L133:
  cmp    %rsi,%rsp
  je     L182
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L133
L182:
  mov    %rdx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L128
  orq    $0x0,-0x8(%rsp,%rax,1)
L128:
  mov    %rsp,%r15
  test   %ecx,%ecx
  jle    L147
  mov    %rbx,%r13
  mov    $0x0,%r12d
  lea    D36(%rip),%r14
L16:
  mov    %r13,%rsi
  mov    %r14,%rdi
  call   <scanf@plt>
  add    $0x1,%r12d
  mov    -0x3c(%rbp),%eax
  add    $0x4,%r13
  cmp    %r12d,%eax
  jg     L16
  test   %eax,%eax
  jle    L147
  mov    -0x60(%rbp),%rcx
  shr    $0x2,%rcx
  mov    %rcx,-0x58(%rbp)
  mov    %eax,%edi
  mov    $0x0,%esi
  movl   $0x0,-0x44(%rbp)
  jmp    L40
L105:
  addl   $0x1,-0x44(%rbp)
L192:
  add    $0x1,%rsi
  cmp    %rdi,%rsi
  je     L136
L40:
  mov    %esi,%eax
  mov    (%rbx,%rsi,4),%edx
  test   %edx,%edx
  je     L192
  movslq -0x44(%rbp),%rcx
  imul   -0x58(%rbp),%rcx
  lea    0x1(%rsi),%r8d
  mov    %r8d,(%r15,%rcx,4)
  lea    0x4(%r15,%rcx,4),%rcx
L156:
  mov    %edx,(%rcx)
  cltq
  movl   $0x0,(%rbx,%rax,4)
  lea    -0x1(%rdx),%eax
  movslq %eax,%rdx
  mov    (%rbx,%rdx,4),%edx
  add    $0x4,%rcx
  test   %edx,%edx
  jne    L156
  jmp    L105
L136:
  mov    -0x44(%rbp),%ebx
  mov    %ebx,%esi
  lea    D47(%rip),%rdi
  call   <printf@plt>
  test   %ebx,%ebx
  jle    L77
  lea    0x8(%r15),%rax
  mov    %rax,-0x50(%rbp)
  mov    $0x0,%r14d
  lea    D41(%rip),%r13
L10:
  movslq %r14d,%rbx
  imul   -0x58(%rbp),%rbx
  mov    (%r15,%rbx,4),%r12d
  mov    %r12d,%esi
  mov    %r13,%rdi
  call   <printf@plt>
  mov    0x4(%r15,%rbx,4),%esi
  cmp    %esi,%r12d
  je     L178
  mov    -0x50(%rbp),%rbx
L141:
  mov    %r13,%rdi
  call   <printf@plt>
  add    $0x4,%rbx
  mov    -0x4(%rbx),%esi
  cmp    %esi,%r12d
  jne    L141
L178:
  mov    %r12d,%esi
  lea    D47(%rip),%rdi
  call   <printf@plt>
  add    $0x1,%r14d
  mov    -0x60(%rbp),%rcx
  add    %rcx,-0x50(%rbp)
  cmp    %r14d,-0x44(%rbp)
  jne    L10
L77:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  mov    $0x0,%eax
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L147:
  mov    $0x0,%esi
  lea    D47(%rip),%rdi
  call   <printf@plt>
  jmp    L77
L7:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D36
type: string
name: read_data
arguments: data_tag: D47
type: string
name: read_data
arguments: data_tag: D41
type: string

tool: D36: %d

tool: D47: %d


tool: D41: %d 

assistant: ```c
int main() {
  int n, i, j, k, l, m;
  scanf("%d", &n);
  int a[n], b[n + 1][n + 1];
  for (i = 0; i < n; ++i)
    scanf("%d", &a[i]);
  for (i = l = 0; i < n; ++i) {
    if (a[i] == 0)
      continue;
    b[l][0] = i + 1;
    for (j = i, m = 1; a[j] != 0; j = k - 1, ++m) {
      b[l][m] = a[j];
      k = a[j];
      a[j] = 0;
    }
    ++l;
  }
  printf("%d\n", l);
  for (i = 0; i < l; ++i) {
    printf("%d ", b[i][0]);
    for (j = 1; b[i][j] != b[i][0]; ++j)
      printf("%d ", b[i][j]);
    printf("%d\n", b[i][0]);
  }
  return 0;
}
```