user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<GifPartitionByMedian>:
  endbr64
  push   %r15
  push   %r14
  mov    %edx,%r14d
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %ecx,%r12d
  push   %rbp
  mov    %r8d,%ebp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x18,%rsp
L133:
  lea    -0x1(%r14),%eax
  mov    %eax,0xc(%rsp)
  cmp    %eax,%ebx
  jge    L318
L122:
  mov    %r14d,%eax
  mov    %r12d,%ecx
  mov    %r14d,%edx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r15d
  cmp    %ebp,%eax
  jg     L322
  jge    L318
  lea    0x1(%rax),%ebx
  cmp    0xc(%rsp),%ebx
  jl     L122
L318:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L322:
  lea    -0x1(%rax),%eax
  mov    %eax,0xc(%rsp)
  cmp    %ebx,%eax
  jle    L318
L44:
  mov    %r15d,%eax
  mov    %r12d,%ecx
  mov    %r15d,%edx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r14d
  cmp    %eax,%ebp
  jl     L142
  jle    L318
  lea    0x1(%rax),%ebx
  cmp    0xc(%rsp),%ebx
  jl     L44
  jmp    L318
  nopl   0x0(%rax)
L142:
  lea    -0x1(%rax),%eax
  mov    %eax,0xc(%rsp)
  cmp    %ebx,%eax
  jle    L318
L429:
  mov    %r14d,%eax
  mov    %r12d,%ecx
  mov    %r14d,%edx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r15d
  cmp    %eax,%ebp
  jl     L51
  jle    L318
  lea    0x1(%rax),%ebx
  cmp    0xc(%rsp),%ebx
  jl     L429
  jmp    L318
  nopl   0x0(%rax,%rax,1)
L51:
  lea    -0x1(%rax),%eax
  mov    %eax,0xc(%rsp)
  cmp    %eax,%ebx
  jge    L318
L77:
  mov    %r15d,%eax
  mov    %r12d,%ecx
  mov    %r15d,%edx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r14d
  cmp    %eax,%ebp
  jl     L33
  jle    L318
  lea    0x1(%rax),%ebx
  cmp    0xc(%rsp),%ebx
  jl     L77
  jmp    L318
  nop
L33:
  lea    -0x1(%rax),%eax
  mov    %eax,0xc(%rsp)
  cmp    %ebx,%eax
  jle    L318
L273:
  mov    %r14d,%eax
  mov    %r12d,%ecx
  mov    %r14d,%edx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r15d
  cmp    %eax,%ebp
  jl     L344
  jle    L318
  lea    0x1(%rax),%ebx
  cmp    0xc(%rsp),%ebx
  jl     L273
  jmp    L318
  nop
L344:
  lea    -0x1(%rax),%eax
  mov    %eax,0xc(%rsp)
  cmp    %eax,%ebx
  jge    L318
L94:
  mov    %r15d,%eax
  mov    %r12d,%ecx
  mov    %r15d,%edx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r14d
  cmp    %eax,%ebp
  jl     L399
  jle    L318
  lea    0x1(%rax),%ebx
  cmp    0xc(%rsp),%ebx
  jl     L94
  jmp    L318
  nop
L399:
  lea    -0x1(%rax),%eax
  mov    %eax,0xc(%rsp)
  cmp    %ebx,%eax
  jle    L318
L251:
  mov    %r14d,%eax
  mov    %r12d,%ecx
  mov    %r14d,%edx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r15d
  cmp    %eax,%ebp
  jl     L38
  jle    L318
  lea    0x1(%rax),%ebx
  cmp    0xc(%rsp),%ebx
  jl     L251
  jmp    L318
  nop
L38:
  lea    -0x1(%rax),%r14d
  cmp    %r14d,%ebx
  jge    L318
L309:
  mov    %r15d,%eax
  mov    %r15d,%edx
  mov    %r12d,%ecx
  mov    %ebx,%esi
  sub    %ebx,%eax
  mov    %r13,%rdi
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%edx
  cmp    %eax,%ebp
  jl     L242
  jle    L318
  lea    0x1(%rax),%ebx
  cmp    %r14d,%ebx
  jl     L309
  jmp    L318
  nopl   0x0(%rax,%rax,1)
L242:
  lea    -0x1(%rax),%r15d
  cmp    %ebx,%r15d
  jle    L318
L148:
  mov    %edx,%eax
  mov    %r12d,%ecx
  mov    %ebx,%esi
  mov    %r13,%rdi
  sub    %ebx,%eax
  mov    %edx,0xc(%rsp)
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  add    %ebx,%r8d
  call   <GifPartition@plt>
  mov    %eax,%r14d
  cmp    %eax,%ebp
  jl     L133
  jle    L318
  lea    0x1(%rax),%ebx
  mov    0xc(%rsp),%edx
  cmp    %r15d,%ebx
  jl     L148
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void GifPartitionByMedian(uint8_t *image, int left, int right, int com, int neededCenter) {
  if (left < right - 1) {
    int pivotIndex = left + (right - left) / 2;
    pivotIndex = GifPartition(image, left, right, com, pivotIndex);
    if (pivotIndex > neededCenter)
      GifPartitionByMedian(image, left, pivotIndex, com, neededCenter);
    if (pivotIndex < neededCenter)
      GifPartitionByMedian(image, pivotIndex + 1, right, com, neededCenter);
  }
}
```