user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  call   <clrscr@plt>
  lea    D54(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D70(%rip),%rdi
  xor    %eax,%eax
  lea    0x24(%rsp),%rsi
  call   <scanf@plt>
  mov    0x24(%rsp),%r14d
  lea    D79(%rip),%rdi
  lea    -0x1(%r14),%ebx
  call   <puts@plt>
  test   %ebx,%ebx
  js     L83
  lea    0x38(%rsp),%rax
  xor    %r12d,%r12d
  lea    D71(%rip),%rbp
  mov    %rax,0x18(%rsp)
  lea    0x30(%rsp),%rax
  mov    %rax,0x10(%rsp)
  lea    0x28(%rsp),%rax
  mov    %rax,0x8(%rsp)
  lea    0x40(%rsp),%rax
  mov    %rax,(%rsp)
L95:
  mov    0x18(%rsp),%rax
  movl   $0x0,(%rax,%r12,4)
  mov    0x10(%rsp),%rax
  movl   $0x0,(%rax,%r12,4)
  mov    0x8(%rsp),%rax
  movl   $0x0,(%rax,%r12,4)
  mov    0x24(%rsp),%eax
  test   %eax,%eax
  js     L11
  mov    (%rsp),%rcx
  lea    (%r12,%r12,2),%rax
  xor    %r15d,%r15d
  lea    (%rcx,%rax,4),%r13
  nopl   0x0(%rax)
L148:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%r15d
  call   <scanf@plt>
  add    $0x4,%r13
  cmp    %r15d,0x24(%rsp)
  jge    L148
L11:
  mov    $0xa,%edi
  add    $0x1,%r12
  call   <putchar@plt>
  cmp    %r12d,%ebx
  jge    L95
  mov    0x24(%rsp),%eax
  mov    (%rsp),%r13
  xor    %r15d,%r15d
  lea    D69(%rip),%r12
  test   %eax,%eax
  js     L83
L81:
  xor    %ebp,%ebp
L47:
  mov    %ebp,%edx
  pxor   %xmm0,%xmm0
  mov    %r15d,%esi
  mov    %r12,%rdi
  mov    $0x1,%eax
  cvtss2sd 0x0(%r13,%rbp,4),%xmm0
  add    $0x1,%rbp
  call   <printf@plt>
  mov    0x24(%rsp),%eax
  cmp    %ebp,%eax
  jge    L47
  add    $0x1,%r15d
  cmp    %r15d,%r14d
  je     L83
  add    $0xc,%r13
  test   %eax,%eax
  jns    L81
  nopl   0x0(%rax)
L83:
  mov    %ebx,%eax
  lea    0x38(%rsp),%r15
  lea    0x30(%rsp),%r12
  lea    0x4(,%rax,4),%r14
L149:
  test   %ebx,%ebx
  js     L122
  mov    %r14,%rdx
  mov    %r12,%rsi
  mov    %r15,%rdi
  call   <memcpy@plt>
  movslq 0x24(%rsp),%rax
  test   %ebx,%ebx
  je     L151
  movss  0x2c(%rsp),%xmm1
  mulss  0x44(%rsp),%xmm1
  pxor   %xmm2,%xmm2
  movss  0x40(%rsp,%rax,4),%xmm0
  addss  %xmm2,%xmm1
  subss  %xmm1,%xmm0
  divss  0x40(%rsp),%xmm0
  movaps %xmm0,%xmm1
  movd   %xmm0,%r13d
  mulss  0x4c(%rsp),%xmm1
  movss  %xmm0,0x30(%rsp)
  movss  %xmm0,0x28(%rsp)
  movss  0x4c(%rsp,%rax,4),%xmm0
  addss  %xmm2,%xmm1
  subss  %xmm1,%xmm0
  divss  0x50(%rsp),%xmm0
  movss  %xmm0,0x34(%rsp)
  movss  %xmm0,0x2c(%rsp)
L105:
  xor    %ebp,%ebp
  nopw   0x0(%rax,%rax,1)
L68:
  movss  (%r15,%rbp,4),%xmm0
  subss  (%r12,%rbp,4),%xmm0
  call   <fabs@plt>
  comisd D78(%rip),%xmm0
  ja     L149
  add    $0x1,%rbp
  cmp    %ebp,%ebx
  jge    L68
  lea    D44(%rip),%rdi
  lea    D68(%rip),%rbp
  call   <puts@plt>
  movd   %r13d,%xmm4
  pxor   %xmm0,%xmm0
  xor    %esi,%esi
  mov    %rbp,%rdi
  mov    $0x1,%eax
  cvtss2sd %xmm4,%xmm0
  call   <printf@plt>
  cmp    $0x1,%ebx
  jne    L135
  pxor   %xmm0,%xmm0
  mov    $0x1,%esi
  mov    %rbp,%rdi
  mov    $0x1,%eax
  cvtss2sd 0x34(%rsp),%xmm0
  call   <printf@plt>
L135:
  xor    %eax,%eax
  call   <getch@plt>
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L113
  add    $0x68,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L122:
  lea    D44(%rip),%rdi
  call   <puts@plt>
  jmp    L135
L151:
  movss  0x40(%rsp,%rax,4),%xmm0
  divss  0x40(%rsp),%xmm0
  movd   %xmm0,%r13d
  movss  %xmm0,0x30(%rsp)
  movss  %xmm0,0x28(%rsp)
  jmp    L105
L113:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D54
data_type: string
name: disassemble_data
arguments: data_label: D70
data_type: string
name: disassemble_data
arguments: data_label: D79
data_type: string
name: disassemble_data
arguments: data_label: D71
data_type: string
name: disassemble_data
arguments: data_label: D69
data_type: string
name: disassemble_data
arguments: data_label: D78
data_type: f64
name: disassemble_data
arguments: data_label: D44
data_type: string
name: disassemble_data
arguments: data_label: D68
data_type: string

tool: D54: How many unkown X's values do you want to solve?

tool: D70: %d

tool: D79: 
Please input cofficients and constants.


tool: D71: %f

tool: D69: a[%d][%d]=%f


tool: D78: 1e-09

tool: D44: 
I'm so sorry to delay your time so long.Now the X's values under the list.


tool: D68: x%d=%f


assistant: ```c
main() {
  int n, m, i, j;
  float sum = 0, x[2], xx[2], a[2][3], xxx[2];
  clrscr();
  printf("How many unkown X's values do you want to solve?");
  scanf("%d", &m);
  n = m - 1;
  printf("\nPlease input cofficients and constants.\n\n");
  for (i = 0; i <= n; i++) {
    x[i] = xx[i] = xxx[i] = 0;
    for (j = 0; j <= m; j++)
      scanf("%f", &a[i][j]);
    printf("\n");
  }
  for (i = 0; i <= n; i++)
    for (j = 0; j <= m; j++)
      printf("a[%d][%d]=%f\n", i, j, a[i][j]);
restart:
  for (i = 0; i <= n; i++)
    xxx[i] = xx[i];
  for (i = 0; i <= n; i++) {
    sum = 0;
    for (j = 0; j <= n; j++) {
      if (i == j)
        continue;
      else
        sum += a[i][j] * x[j];
    }
    xx[i] = (a[i][m] - sum) / a[i][i];
    x[i] = xx[i];
  }
  for (i = 0; i <= n; i++) {
    if (fabs(xxx[i] - xx[i]) > 0.000000001)
      goto restart;
  }
  printf("\nI'm so sorry to delay your time so long.Now the X's values under the list.\n\n");
  for (i = 0; i <= n; i++)
    printf("x%d=%f\n", i, xx[i]);
  getch();
}
```