user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    $0x18,%edi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,(%r12)
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,0x8(%r12)
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,0x10(%r12)
  mov    (%r12),%rax
  movl   $0x1,(%rax)
  mov    (%r12),%rax
  movl   $0x0,0x4(%rax)
  mov    0x8(%r12),%rax
  movl   $0x1,(%rax)
  mov    0x8(%r12),%rax
  movl   $0x2,0x4(%rax)
  mov    0x10(%r12),%rax
  movl   $0x1,(%rax)
  mov    0x10(%r12),%rax
  movl   $0x3,0x4(%rax)
  lea    0x14(%rsp),%r8
  mov    $0x2,%ecx
  mov    $0x3,%edx
  mov    %r12,%rsi
  mov    $0x4,%edi
  mov    $0x0,%eax
  call   <findMinHeightTrees@plt>
  movslq %eax,%r14
  cmpl   $0x0,0x14(%rsp)
  jle    L102
  mov    %r14,%rbx
  mov    $0x0,%ebp
  lea    D26(%rip),%r13
L103:
  mov    (%rbx),%esi
  mov    %r13,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%ebp
  add    $0x4,%rbx
  cmp    %ebp,0x14(%rsp)
  jg     L103
L102:
  mov    (%r12),%rdi
  call   <free@plt>
  mov    0x8(%r12),%rdi
  call   <free@plt>
  mov    0x10(%r12),%rdi
  call   <free@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  call   <free@plt>
  mov    $0x28,%edi
  call   <malloc@plt>
  mov    %rax,%r13
  mov    %rax,%r12
  lea    0x28(%rax),%r14
  mov    %rax,%rbx
L14:
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  add    $0x8,%rbx
  cmp    %r14,%rbx
  jne    L14
  mov    0x0(%r13),%rax
  movl   $0x0,(%rax)
  mov    0x0(%r13),%rax
  movl   $0x3,0x4(%rax)
  mov    0x8(%r13),%rax
  movl   $0x1,(%rax)
  mov    0x8(%r13),%rax
  movl   $0x3,0x4(%rax)
  mov    0x10(%r13),%rax
  movl   $0x2,(%rax)
  mov    0x10(%r13),%rax
  movl   $0x3,0x4(%rax)
  mov    0x18(%r13),%rax
  movl   $0x4,(%rax)
  mov    0x18(%r13),%rax
  movl   $0x3,0x4(%rax)
  mov    0x20(%r13),%rax
  movl   $0x5,(%rax)
  mov    0x20(%r13),%rax
  movl   $0x4,0x4(%rax)
  lea    0x14(%rsp),%r8
  mov    $0x2,%ecx
  mov    $0x5,%edx
  mov    %r13,%rsi
  mov    $0x6,%edi
  mov    $0x0,%eax
  call   <findMinHeightTrees@plt>
  movslq %eax,%rdx
  mov    %rdx,0x8(%rsp)
  cmpl   $0x0,0x14(%rsp)
  jle    L106
  mov    %rdx,%rbx
  mov    $0x0,%ebp
  lea    D26(%rip),%r15
L8:
  mov    (%rbx),%esi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%ebp
  add    $0x4,%rbx
  cmp    %ebp,0x14(%rsp)
  jg     L8
L106:
  mov    (%r12),%rdi
  call   <free@plt>
  add    $0x8,%r12
  cmp    %r14,%r12
  jne    L106
  mov    %r13,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rbx
  mov    %rbx,%rsi
  lea    D9(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0x28,%edi
  call   <malloc@plt>
  mov    %rax,%r13
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <assert@plt>
  mov    %r13,%r12
  lea    0x28(%r13),%r14
  mov    %r13,%rbx
L31:
  mov    $0x8,%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  mov    %rax,(%rbx)
  mov    $0x0,%eax
  call   <assert@plt>
  add    $0x8,%rbx
  cmp    %rbx,%r14
  jne    L31
  mov    0x0(%r13),%rax
  movl   $0x3,(%rax)
  mov    0x0(%r13),%rax
  movl   $0x0,0x4(%rax)
  mov    0x8(%r13),%rax
  movl   $0x3,(%rax)
  mov    0x8(%r13),%rax
  movl   $0x1,0x4(%rax)
  mov    0x10(%r13),%rax
  movl   $0x3,(%rax)
  mov    0x10(%r13),%rax
  movl   $0x2,0x4(%rax)
  mov    0x18(%r13),%rax
  movl   $0x3,(%rax)
  mov    0x18(%r13),%rax
  movl   $0x4,0x4(%rax)
  mov    0x20(%r13),%rax
  movl   $0x5,(%rax)
  mov    0x20(%r13),%rax
  movl   $0x4,0x4(%rax)
  lea    0x14(%rsp),%r8
  mov    $0x2,%ecx
  mov    $0x5,%edx
  mov    %r13,%rsi
  mov    $0x6,%edi
  mov    $0x0,%eax
  call   <findMinHeightTrees@plt>
  movslq %eax,%rcx
  mov    %rcx,0x8(%rsp)
  cmpl   $0x0,0x14(%rsp)
  jle    L57
  mov    %rcx,%rbx
  mov    $0x0,%ebp
  lea    D26(%rip),%r15
L36:
  mov    (%rbx),%esi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%ebp
  add    $0x4,%rbx
  cmp    %ebp,0x14(%rsp)
  jg     L36
L57:
  mov    (%r12),%rdi
  call   <free@plt>
  add    $0x8,%r12
  cmp    %r12,%r14
  jne    L57
  mov    %r13,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L52
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L52:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D26
datatype: string
name: retrieve_data
arguments: tag: D9
datatype: string

tool: D26: Ans %d


tool: D9: Free ans %p


assistant: ```c
int main() {
  int **edges;
  int ansSize, *ans, i;
  edges = (int **)malloc(3 * sizeof(int *));
  for (i = 0; i < 3; i++) {
    edges[i] = (int *)malloc(2 * sizeof(int));
  }
  edges[0][0] = 1;
  edges[0][1] = 0;
  edges[1][0] = 1;
  edges[1][1] = 2;
  edges[2][0] = 1;
  edges[2][1] = 3;
  ans = findMinHeightTrees(4, edges, 3, 2, &ansSize);
  for (i = 0; i < ansSize; i++) {
    printf("Ans %d\n", *(ans + i));
  }
  for (i = 0; i < 3; i++) {
    free(edges[i]);
  }
  free(edges);
  free(ans);
  edges = (int **)malloc(5 * sizeof(int *));
  for (i = 0; i < 5; i++) {
    edges[i] = (int *)malloc(2 * sizeof(int));
  }
  edges[0][0] = 0;
  edges[0][1] = 3;
  edges[1][0] = 1;
  edges[1][1] = 3;
  edges[2][0] = 2;
  edges[2][1] = 3;
  edges[3][0] = 4;
  edges[3][1] = 3;
  edges[4][0] = 5;
  edges[4][1] = 4;
  ans = findMinHeightTrees(6, edges, 5, 2, &ansSize);
  for (i = 0; i < ansSize; i++) {
    printf("Ans %d\n", *(ans + i));
  }
  for (i = 0; i < 5; i++) {
    free(edges[i]);
  }
  free(edges);
  printf("Free ans %p\n", ans);
  free(ans);
  edges = (int **)malloc(5 * sizeof(int *));
  assert(edges);
  for (i = 0; i < 5; i++) {
    edges[i] = (int *)malloc(2 * sizeof(int));
    assert(edges[i]);
  }
  edges[0][0] = 3;
  edges[0][1] = 0;
  edges[1][0] = 3;
  edges[1][1] = 1;
  edges[2][0] = 3;
  edges[2][1] = 2;
  edges[3][0] = 3;
  edges[3][1] = 4;
  edges[4][0] = 5;
  edges[4][1] = 4;
  ans = findMinHeightTrees(6, edges, 5, 2, &ansSize);
  for (i = 0; i < ansSize; i++) {
    printf("Ans %d\n", *(ans + i));
  }
  for (i = 0; i < 5; i++) {
    free(edges[i]);
  }
  free(edges);
  free(ans);
}
```