user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  push   %r15
  lea    D10(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  lea    D13(%rip),%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <scanf@plt>
  cmpl   $0xffffffff,0x4(%rsp)
  jl     L187
  nopl   0x0(%rax,%rax,1)
L6:
  mov    %rbx,%rdi
  add    $0x1,%ebp
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  and    $0xfffffffe,%eax
  cmp    %ebp,%eax
  jge    L6
L187:
  lea    D35(%rip),%r14
  mov    $0x1,%r13d
  xor    %r12d,%r12d
  mov    %r14,%rdi
  lea    D43(%rip),%rbp
  lea    D13(%rip),%rbx
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x1,%eax
  jle    L98
  nopl   0x0(%rax,%rax,1)
L170:
  mov    %eax,%edx
  xor    %r15d,%r15d
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %r12d,%eax
  jle    L7
  nopl   0x0(%rax)
L121:
  mov    %rbx,%rdi
  add    $0x1,%r15d
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  sub    %r12d,%eax
  cmp    %r15d,%eax
  jg     L121
L7:
  xor    %r15d,%r15d
  nopl   0x0(%rax)
L25:
  mov    %rbp,%rdi
  add    $0x1,%r15d
  call   <printf@plt>
  cmp    %r15d,%r13d
  jne    L25
  mov    0x4(%rsp),%edx
  xor    %r15d,%r15d
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  cmp    %r12d,%eax
  jle    L148
  cs nopw 0x0(%rax,%rax,1)
L178:
  mov    %rbx,%rdi
  add    $0x1,%r15d
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  sub    %r12d,%eax
  cmp    %r15d,%eax
  jg     L178
L148:
  mov    %r14,%rdi
  add    $0x2,%r13d
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  lea    0x1(%r12),%ecx
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %eax,%edx
  sar    %edx
  cmp    %ecx,%edx
  jle    L147
  mov    %ecx,%r12d
  jmp    L170
  nopl   0x0(%rax,%rax,1)
L98:
  xor    %ebp,%ebp
  cmpl   $0xffffffff,0x4(%rsp)
  lea    D13(%rip),%rbx
  jl     L163
L117:
  mov    %rbx,%rdi
  add    $0x1,%ebp
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  and    $0xfffffffe,%eax
  cmp    %ebp,%eax
  jge    L117
L163:
  mov    %r14,%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L108
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L147:
  lea    -0x1(%r12),%ebx
  test   %r12d,%r12d
  je     L98
  lea    0x1(%rbx,%rbx,1),%r13d
  lea    D13(%rip),%r12
  cs nopw 0x0(%rax,%rax,1)
L139:
  mov    %eax,%edx
  xor    %r15d,%r15d
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %ebx,%eax
  jle    L150
L40:
  mov    %r12,%rdi
  add    $0x1,%r15d
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  sub    %ebx,%eax
  cmp    %r15d,%eax
  jg     L40
L150:
  xor    %r15d,%r15d
  nopl   0x0(%rax,%rax,1)
L11:
  mov    %rbp,%rdi
  add    $0x1,%r15d
  call   <printf@plt>
  cmp    %r13d,%r15d
  jne    L11
  mov    0x4(%rsp),%edx
  xor    %r15d,%r15d
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  cmp    %ebx,%eax
  jle    L90
  nopl   (%rax)
L141:
  mov    %r12,%rdi
  add    $0x1,%r15d
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  sub    %ebx,%eax
  cmp    %r15d,%eax
  jg     L141
L90:
  mov    %r14,%rdi
  sub    $0x1,%ebx
  sub    $0x2,%r13d
  call   <printf@plt>
  cmp    $0xffffffff,%ebx
  je     L98
  mov    0x4(%rsp),%eax
  jmp    L139
L108:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D10
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D13
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D35
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D43
type_guessed: string

tool: D10: %d

tool: D13: *

tool: D35: 


tool: D43:  

assistant: ```c
int main() {
  int n, i, j;
  scanf("%d", &n);
  for (i = 0; i < n / 2 * 2 + 1; i++) {
    printf("*");
  }
  printf("\n");
  for (i = 0; i < n / 2; i++) {
    for (j = 0; j < n / 2 - i; j++) {
      printf("*");
    }
    for (j = 0; j < i * 2 + 1; j++) {
      printf(" ");
    }
    for (j = 0; j < n / 2 - i; j++) {
      printf("*");
    }
    printf("\n");
  }
  for (i -= 2; i >= 0; i--) {
    for (j = 0; j < n / 2 - i; j++) {
      printf("*");
    }
    for (j = 0; j < i * 2 + 1; j++) {
      printf(" ");
    }
    for (j = 0; j < n / 2 - i; j++) {
      printf("*");
    }
    printf("\n");
  }
  for (i = 0; i < n / 2 * 2 + 1; i++) {
    printf("*");
  }
  printf("\n");
  return 0;
}
```