user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x9000(%rsp),%r11
L264:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L264
  sub    $0xc78,%rsp
  lea    D58(%rip),%rdi
  lea    D3(%rip),%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x9c68(%rsp)
  xor    %eax,%eax
  lea    0x1c(%rsp),%rdx
  lea    0x18(%rsp),%rsi
  call   <scanf@plt>
  mov    0x18(%rsp),%r9d
  test   %r9d,%r9d
  jle    L78
  mov    0x1c(%rsp),%eax
  xor    %r12d,%r12d
  xor    %ebx,%ebx
  lea    0x20(%rsp),%r13
  lea    D3(%rip),%rbp
  test   %eax,%eax
  jle    L228
  nopl   (%rax)
L191:
  lea    0x0(%r13,%r12,4),%r15
  xor    %r14d,%r14d
L180:
  mov    %r15,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%r14d
  call   <scanf@plt>
  mov    0x1c(%rsp),%eax
  add    $0x4,%r15
  cmp    %r14d,%eax
  jg     L180
  mov    0x18(%rsp),%r9d
  add    $0x1,%ebx
  cmp    %ebx,%r9d
  jle    L204
  add    $0x64,%r12
  test   %eax,%eax
  jg     L191
L228:
  mov    %eax,%ecx
  mov    %eax,%r15d
  lea    -0x1(%rax),%ebx
  movdqa D15(%rip),%xmm6
  shr    $0x2,%ecx
  and    $0xfffffffc,%r15d
  mov    %ebx,0x8(%rsp)
  mov    %r13,%rdx
  lea    -0x1(%rcx),%edi
  movdqa D19(%rip),%xmm4
  xor    %r11d,%r11d
  xor    %esi,%esi
  add    $0x1,%rdi
  xor    %ecx,%ecx
  shl    $0x4,%rdi
  mov    %rdi,(%rsp)
  lea    0x1(%r15),%edi
  mov    %edi,0xc(%rsp)
  mov    %ebx,%edi
  add    $0x2,%rdi
  nopl   0x0(%rax)
L62:
  mov    %ecx,%r12d
  add    $0x1,%ecx
  test   %eax,%eax
  jle    L50
  test   $0x1,%cl
  je     L60
  mov    $0x1,%r8d
  nopl   (%rax)
L16:
  test   $0x1,%r8b
  je     L237
  add    -0x4(%rdx,%r8,4),%esi
L237:
  add    $0x1,%r8
  cmp    %r8,%rdi
  jne    L16
L50:
  add    $0x190,%rdx
  cmp    %r9d,%ecx
  jne    L62
L92:
  sub    %r11d,%esi
  mov    %rbp,%rdi
  call   <printf@plt>
  mov    0x9c68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  add    $0x9c78,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L60:
  cmpl   $0x3,0x8(%rsp)
  jbe    L274
  mov    (%rsp),%rbx
  pxor   %xmm1,%xmm1
  movdqa D1(%rip),%xmm3
  mov    %rdx,%r8
  movdqa %xmm1,%xmm2
  movdqa %xmm1,%xmm5
  lea    (%rbx,%rdx,1),%r10
  nopw   0x0(%rax,%rax,1)
L108:
  movdqa %xmm3,%xmm0
  paddd  (%r8),%xmm1
  paddd  %xmm6,%xmm3
  add    $0x10,%r8
  paddd  %xmm4,%xmm0
  pand   %xmm4,%xmm0
  pcmpeqd %xmm5,%xmm0
  pandn  -0x10(%r8),%xmm0
  paddd  %xmm0,%xmm2
  cmp    %r10,%r8
  jne    L108
  movdqa %xmm1,%xmm0
  psrldq $0x8,%xmm0
  paddd  %xmm0,%xmm1
  movdqa %xmm1,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm1
  movdqa %xmm2,%xmm0
  psrldq $0x8,%xmm0
  movd   %xmm1,%r8d
  paddd  %xmm0,%xmm2
  add    %r8d,%r11d
  movdqa %xmm2,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm2
  movd   %xmm2,%r8d
  add    %r8d,%esi
  cmp    %r15d,%eax
  je     L50
  mov    $0x1,%r14d
  mov    0xc(%rsp),%ebx
  movslq %r15d,%r10
  movslq %r12d,%r8
  test   %r14d,%r14d
  jne    L73
L194:
  lea    (%r8,%r8,4),%r12
  lea    (%r12,%r12,4),%r13
  shl    $0x2,%r13
  add    %r13,%r10
  add    0x20(%rsp,%r10,4),%r11d
  mov    %r11d,%r10d
  cmp    %eax,%ebx
  jge    L50
  lea    0x1(%rbx),%r12d
  movslq %ebx,%r11
  test   $0x1,%bl
  jne    L258
  add    %r11,%r13
  add    0x20(%rsp,%r13,4),%esi
L258:
  lea    (%r8,%r8,4),%r13
  lea    0x0(%r13,%r13,4),%r13
  shl    $0x2,%r13
  add    %r13,%r11
  add    0x20(%rsp,%r11,4),%r10d
  mov    %r10d,%r11d
  cmp    %eax,%r12d
  jge    L50
  lea    0x2(%rbx),%r14d
  movslq %r12d,%r12
  test   $0x1,%bl
  je     L79
  add    %r12,%r13
  add    0x20(%rsp,%r13,4),%esi
L79:
  lea    (%r8,%r8,4),%r11
  lea    (%r11,%r11,4),%r13
  shl    $0x2,%r13
  add    %r13,%r12
  add    0x20(%rsp,%r12,4),%r10d
  mov    %r10d,%r11d
  cmp    %eax,%r14d
  jge    L50
  and    $0x1,%ebx
  movslq %r14d,%r14
  jne    L37
  add    %r14,%r13
  add    0x20(%rsp,%r13,4),%esi
L37:
  lea    (%r8,%r8,4),%r8
  add    $0x190,%rdx
  lea    (%r8,%r8,4),%r8
  lea    (%r14,%r8,4),%r8
  add    0x20(%rsp,%r8,4),%r10d
  mov    %r10d,%r11d
  cmp    %r9d,%ecx
  jne    L62
  jmp    L92
  nopl   0x0(%rax,%rax,1)
L73:
  movslq %r15d,%r10
L15:
  movslq %r12d,%r8
  lea    (%r8,%r8,4),%r12
  lea    (%r12,%r12,4),%r12
  lea    (%r10,%r12,4),%r12
  add    0x20(%rsp,%r12,4),%esi
  jmp    L194
L274:
  xor    %r10d,%r10d
  mov    $0x1,%ebx
  jmp    L15
L204:
  test   %r9d,%r9d
  jg     L228
L78:
  xor    %r11d,%r11d
  xor    %esi,%esi
  jmp    L92
L10:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D58
type_infered: string
name: unpack_data
arguments: data_label: D3
type_infered: string
name: unpack_data
arguments: data_label: D15
type_infered: byte[16]
name: unpack_data
arguments: data_label: D19
type_infered: byte[16]
name: unpack_data
arguments: data_label: D1
type_infered: byte[16]

tool: D58: %d %d

tool: D3: %d

tool: {"D15": [0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

tool: {"D19": [0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

tool: {"D1": [0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x03,0x00,0x00,0x00]}

assistant: ```c
int main() {
  int a[100][100], n, m;
  int i, j, sumCols = 0, sumRows = 0;
  scanf("%d %d", &n, &m);
  for (i = 0; i < n; ++i)
    for (j = 0; j < m; ++j)
      scanf("%d", &a[i][j]);
  for (i = 0; i < n; ++i)
    for (j = 0; j < m; ++j) {
      if ((j + 1) % 2)
        sumCols += a[i][j];
      if (!((i + 1) % 2))
        sumRows += a[i][j];
    }
  printf("%d", sumCols - sumRows);
  return 0;
}
```