user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  lea    -0x4c(%rbp),%rcx
  lea    -0x50(%rbp),%rdx
  lea    -0x54(%rbp),%rax
  mov    %rax,%rsi
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x54(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x38(%rbp)
  mov    -0x38(%rbp),%eax
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x30(%rbp)
  mov    -0x38(%rbp),%eax
  shl    $0x2,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  mov    $0xffffffff,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x38(%rbp),%eax
  mov    %eax,%edi
  call   <initializeSet@plt>
  movl   $0x0,-0x40(%rbp)
  jmp    L40
L74:
  lea    -0x44(%rbp),%rdx
  lea    -0x48(%rbp),%rax
  mov    %rax,%rsi
  lea    D26(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x48(%rbp),%edx
  mov    -0x44(%rbp),%eax
  cmp    %eax,%edx
  je     L72
  mov    -0x44(%rbp),%edx
  mov    -0x48(%rbp),%ecx
  mov    -0x30(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <addEdge@plt>
L72:
  addl   $0x1,-0x40(%rbp)
L40:
  mov    -0x50(%rbp),%eax
  cmp    %eax,-0x40(%rbp)
  jb     L74
  mov    -0x4c(%rbp),%eax
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x4c(%rbp),%eax
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  movl   $0x0,-0x3c(%rbp)
  jmp    L79
L19:
  mov    -0x3c(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  addl   $0x1,-0x3c(%rbp)
L79:
  mov    -0x4c(%rbp),%eax
  cmp    %eax,-0x3c(%rbp)
  jb     L19
  movl   $0x0,-0x3c(%rbp)
  jmp    L9
L76:
  mov    -0x3c(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x3c(%rbp),%eax
  lea    0x0(,%rax,4),%rcx
  mov    -0x20(%rbp),%rax
  lea    (%rcx,%rax,1),%rbx
  mov    -0x30(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <getRootNode@plt>
  mov    %eax,(%rbx)
  addl   $0x1,-0x3c(%rbp)
L9:
  mov    -0x4c(%rbp),%eax
  cmp    %eax,-0x3c(%rbp)
  jb     L76
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x4c(%rbp),%edx
  mov    -0x20(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <getMaxPalindromeLengthOptimised@plt>
  mov    %eax,-0x34(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x34(%rbp),%eax
  mov    %eax,%esi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L62
  call   <__stack_chk_fail@plt>
L62:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D2
type: string
name: retrieve_data
arguments: tag: D26
type: string
name: retrieve_data
arguments: tag: D37
type: string
name: retrieve_data
arguments: tag: D1
type: string

tool: D2: %u%u%u

tool: D26: %u%u

tool: D37: %u

tool: D1: %u


assistant: ```c
int main() {
  unsigned int *arr, *brr, n, k, j, m, i, x, y;
  unsigned int maxPalindromeLength;
  scanf("%u%u%u", &n, &k, &m);
  unsigned int v = n + 1;
  unsigned int *arrLoc = (unsigned int *)malloc(sizeof(unsigned int) * v);
  memset(arrLoc, -1, sizeof(unsigned int) * v);
  initializeSet(v);
  for (j = 0; j < k; j++) {
    scanf("%u%u", &x, &y);
    if (x != y) {
      addEdge(arrLoc, x, y);
    }
  }
  arr = (unsigned int *)malloc(m * sizeof(unsigned int));
  brr = (unsigned int *)malloc(m * sizeof(unsigned int));
  for (i = 0; i < m; i++) {
    scanf("%u", &arr[i]);
  }
  for (i = 0; i < m; i++) {
    brr[i] = getRootNode(arrLoc, arr[i]);
  }
  free(arr);
  free(arrLoc);
  maxPalindromeLength = getMaxPalindromeLengthOptimised(brr, m);
  free(brr);
  printf("%u\n", maxPalindromeLength);
  return 0;
}
```