user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  lea    -0x3c(%rbp),%rsi
  push   %r13
  push   %r12
  lea    D16(%rip),%r12
  push   %rbx
  mov    %r12,%rdi
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  call   <scanf@plt>
  movslq -0x3c(%rbp),%rdx
  mov    %rsp,%rdi
  mov    %rdx,%rcx
  shl    $0x2,%rdx
  lea    0xf(%rdx),%rax
  mov    %rax,%rsi
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rdi
  and    $0xfffffffffffffff0,%rsi
  cmp    %rdi,%rsp
  je     L54
L204:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rdi,%rsp
  jne    L204
L54:
  and    $0xfff,%esi
  sub    %rsi,%rsp
  test   %rsi,%rsi
  jne    L86
L197:
  lea    0x1(%rcx),%eax
  lea    0x4(%rdx),%rdi
  mov    %rsp,%rsi
  mov    %rsp,%rbx
  cltq
  mov    %rdi,-0x60(%rbp)
  imul   %rax,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  and    $0xfffffffffffffff0,%rdx
  sub    %rax,%rsi
L205:
  cmp    %rsi,%rsp
  je     L185
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L205
L86:
  orq    $0x0,-0x8(%rsp,%rsi,1)
  jmp    L197
L185:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L59
L39:
  mov    %rsp,%r15
  test   %ecx,%ecx
  jle    L144
  mov    %rbx,%r14
  xor    %r13d,%r13d
  nopw   0x0(%rax,%rax,1)
L116:
  mov    %r14,%rsi
  mov    %r12,%rdi
  add    $0x1,%r13d
  add    $0x4,%r14
  call   <scanf@plt>
  mov    -0x3c(%rbp),%eax
  cmp    %r13d,%eax
  jg     L116
  test   %eax,%eax
  jle    L144
  mov    -0x60(%rbp),%rcx
  movl   $0x0,-0x4c(%rbp)
  movslq %eax,%rdi
  xor    %esi,%esi
  shr    $0x2,%rcx
  mov    %rcx,-0x58(%rbp)
  jmp    L6
  nopl   (%rax)
L132:
  add    $0x1,%rsi
  cmp    %rdi,%rsi
  je     L138
L6:
  mov    (%rbx,%rsi,4),%edx
  movslq %esi,%rax
  lea    0x1(%rsi),%r8d
  test   %edx,%edx
  je     L132
  movslq -0x4c(%rbp),%rcx
  imul   -0x58(%rbp),%rcx
  mov    %r8d,(%r15,%rcx,4)
  lea    0x4(%r15,%rcx,4),%rcx
  nopl   0x0(%rax)
L167:
  movl   $0x0,(%rbx,%rax,4)
  lea    -0x1(%rdx),%eax
  add    $0x4,%rcx
  cltq
  mov    %edx,-0x4(%rcx)
  mov    (%rbx,%rax,4),%edx
  test   %edx,%edx
  jne    L167
  add    $0x1,%rsi
  addl   $0x1,-0x4c(%rbp)
  cmp    %rdi,%rsi
  jne    L6
L138:
  mov    -0x4c(%rbp),%r14d
  lea    D24(%rip),%rdi
  xor    %r13d,%r13d
  lea    D27(%rip),%rbx
  mov    %r14d,%esi
  call   <printf@plt>
  lea    0x8(%r15),%rax
  mov    %rax,-0x48(%rbp)
  test   %r14d,%r14d
  je     L203
  nopl   0x0(%rax)
L218:
  movslq %r13d,%rdx
  imul   -0x58(%rbp),%rdx
  mov    %rbx,%rdi
  mov    (%r15,%rdx,4),%r12d
  mov    %rdx,%r14
  mov    %r12d,%esi
  call   <printf@plt>
  mov    0x4(%r15,%r14,4),%esi
  mov    -0x48(%rbp),%r14
  cmp    %esi,%r12d
  je     L181
  nopl   0x0(%rax,%rax,1)
L70:
  mov    %rbx,%rdi
  add    $0x4,%r14
  call   <printf@plt>
  mov    -0x4(%r14),%esi
  cmp    %esi,%r12d
  jne    L70
L181:
  mov    %r12d,%esi
  lea    D24(%rip),%rdi
  add    $0x1,%r13d
  call   <printf@plt>
  mov    -0x60(%rbp),%rcx
  add    %rcx,-0x48(%rbp)
  cmp    %r13d,-0x4c(%rbp)
  jne    L218
L203:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L53
  lea    -0x28(%rbp),%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L144:
  xor    %esi,%esi
  lea    D24(%rip),%rdi
  call   <printf@plt>
  jmp    L203
L59:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L39
L53:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D16
datatype: string
name: read_data
arguments: tag: D24
datatype: string
name: read_data
arguments: tag: D27
datatype: string

tool: D16: %d

tool: D24: %d


tool: D27: %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;
}
```