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   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D46(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x10(%rbp),%rax
  mov    %rax,%rsi
  lea    D42(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D80(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movss  -0x10(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D11(%rip),%xmm0
  comisd %xmm1,%xmm0
  jb     L91
  mov    -0xc(%rbp),%eax
  cmp    $0x14,%eax
  jg     L66
  movb   $0x44,-0x11(%rbp)
  jmp    L10
L66:
  movb   $0x45,-0x11(%rbp)
  jmp    L10
L91:
  movss  -0x10(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D38(%rip),%xmm0
  comisd %xmm1,%xmm0
  jb     L133
  mov    -0xc(%rbp),%eax
  cmp    $0x14,%eax
  jg     L130
  movb   $0x44,-0x11(%rbp)
  jmp    L10
L130:
  movb   $0x45,-0x11(%rbp)
  jmp    L10
L133:
  movss  -0x10(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D49(%rip),%xmm0
  comisd %xmm1,%xmm0
  jb     L68
  mov    -0xc(%rbp),%eax
  cmp    $0x14,%eax
  jg     L78
  movb   $0x43,-0x11(%rbp)
  jmp    L10
L78:
  movb   $0x44,-0x11(%rbp)
  jmp    L10
L68:
  movss  -0x10(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D35(%rip),%xmm0
  comisd %xmm1,%xmm0
  jb     L53
  mov    -0xc(%rbp),%eax
  cmp    $0x14,%eax
  jg     L87
  movb   $0x42,-0x11(%rbp)
  jmp    L10
L87:
  movb   $0x43,-0x11(%rbp)
  jmp    L10
L53:
  mov    -0xc(%rbp),%eax
  cmp    $0x14,%eax
  jg     L145
  movb   $0x41,-0x11(%rbp)
  jmp    L10
L145:
  movb   $0x42,-0x11(%rbp)
L10:
  movsbl -0x11(%rbp),%eax
  mov    %eax,%esi
  lea    D36(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L167
  call   <__stack_chk_fail@plt>
L167:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D46
type: string
name: extract_symbolic_data
arguments: label: D42
type: string
name: extract_symbolic_data
arguments: label: D80
type: string
name: extract_symbolic_data
arguments: label: D1
type: string
name: extract_symbolic_data
arguments: label: D11
type: f64
name: extract_symbolic_data
arguments: label: D38
type: f64
name: extract_symbolic_data
arguments: label: D49
type: f64
name: extract_symbolic_data
arguments: label: D35
type: f64
name: extract_symbolic_data
arguments: label: D36
type: string

tool: D46: Digite a Nota do aluno: 

tool: D42: %f

tool: D80: Digite a quantidade de falta(s) do aluno: 

tool: D1: %d

tool: D11: 3.9

tool: D38: 4.9

tool: D49: 7.4

tool: D35: 8.9

tool: D36: Conceito: %c

assistant: ```c
int main() {
  float nota;
  int falta;
  char conceito;
  printf("Digite a Nota do aluno: ");
  scanf("%f", &nota);
  printf("Digite a quantidade de falta(s) do aluno: ");
  scanf("%d", &falta);
  if (nota <= 3.9) {
    if (falta <= 20) {
      conceito = 'D';
    } else {
      conceito = 'E';
    }
  } else if (nota <= 4.9) {
    if (falta <= 20) {
      conceito = 'D';
    } else {
      conceito = 'E';
    }
  } else if (nota <= 7.4) {
    if (falta <= 20) {
      conceito = 'C';
    } else {
      conceito = 'D';
    }
  } else if (nota <= 8.9) {
    if (falta <= 20) {
      conceito = 'B';
    } else {
      conceito = 'C';
    }
  } else {
    if (falta <= 20) {
      conceito = 'A';
    } else {
      conceito = 'B';
    }
  }
  printf("Conceito: %c", conceito);
  return 0;
}
```