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    -0x44(%rbp),%rsi
  lea    D52(%rip),%rdi
  call   <scanf@plt>
  mov    -0x44(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x44(%rbp)
  test   %eax,%eax
  je     L95
  mov    $0x1,%r14d
  lea    D52(%rip),%r13
  jmp    L70
L91:
  mov    %rsi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L49
  orq    $0x0,-0x8(%rsp,%rax,1)
L49:
  mov    %rsp,%r15
  test   %edx,%edx
  jle    L97
  mov    %r15,%r12
  mov    $0x0,%ebx
L113:
  mov    %r12,%rsi
  mov    %r13,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  add    $0x1,%ebx
  mov    -0x3c(%rbp),%edx
  add    $0x4,%r12
  cmp    %ebx,%edx
  jg     L113
L97:
  sub    $0x1,%edx
  mov    $0x0,%esi
  mov    %r15,%rdi
  call   <quicksort@plt>
  mov    -0x3c(%rbp),%eax
  mov    -0x40(%rbp),%esi
  test   %esi,%esi
  jle    L133
  cltq
  lea    (%r15,%rax,4),%rax
  mov    $0x0,%ebx
  mov    $0x0,%ecx
L106:
  add    -0x4(%rax),%ecx
  add    $0x1,%ebx
  sub    $0x4,%rax
  cmp    %esi,%ecx
  jl     L106
L38:
  mov    %r14d,%esi
  lea    D46(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  cmp    %ebx,-0x3c(%rbp)
  jge    L82
  lea    D28(%rip),%rdi
  call   <puts@plt>
L5:
  add    $0x1,%r14d
  mov    -0x58(%rbp),%rsp
  mov    -0x44(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x44(%rbp)
  test   %eax,%eax
  je     L95
L70:
  mov    %rsp,-0x58(%rbp)
  lea    -0x3c(%rbp),%rdx
  lea    -0x40(%rbp),%rsi
  lea    D35(%rip),%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x3c(%rbp),%edx
  movslq %edx,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rsi
  and    $0xfffffffffffffff0,%rsi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L115:
  cmp    %rcx,%rsp
  je     L91
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L115
L133:
  mov    $0x0,%ebx
  jmp    L38
L82:
  mov    %ebx,%esi
  lea    D53(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L5
L95:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L50
  mov    $0x0,%eax
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L50:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D52
type: string
name: retrieve_data
arguments: data_label: D46
type: string
name: retrieve_data
arguments: data_label: D28
type: string
name: retrieve_data
arguments: data_label: D35
type: string
name: retrieve_data
arguments: data_label: D53
type: string

tool: D52: %d

tool: D46: Scenario #%d:


tool: D28: impossible


tool: D35: %d %d

tool: D53: %d



assistant: ```c
int main() {
  int t, s, f, i, x, j = 1, k;
  scanf("%d", &t);
  while (t--) {
    k = 0;
    x = 0;
    scanf("%d %d", &s, &f);
    int sf[f];
    for (i = 0; i < f; i++)
      scanf("%d", &sf[i]);
    quicksort(sf, 0, f - 1);
    for (i = f - 1; x < s; i--) {
      x += sf[i];
      k++;
    }
    printf("Scenario #%d:\n", j);
    if (k > f)
      printf("impossible\n\n");
    else
      printf("%d\n\n", k);
    j++;
  }
  return 0;
}
```