user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %r14
  mov    $0x8,%edx
  mov    $0x5,%esi
  lea    D107(%rip),%rdi
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movl   $0x5,0xc(%rsp)
  movl   $0x8,0x10(%rsp)
  call   <printf@plt>
  mov    0x10(%rsp),%esi
  mov    0xc(%rsp),%edi
  call   <exchange@plt>
  mov    0x10(%rsp),%edx
  mov    0xc(%rsp),%esi
  xor    %eax,%eax
  lea    D117(%rip),%rdi
  call   <printf@plt>
  lea    0x10(%rsp),%rsi
  lea    0xc(%rsp),%rdi
  call   <exchange_ptr@plt>
  mov    0x10(%rsp),%edx
  mov    0xc(%rsp),%esi
  xor    %eax,%eax
  lea    D69(%rip),%rdi
  call   <printf@plt>
  lea    D111(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D60(%rip),%rdi
  xor    %eax,%eax
  lea    0x14(%rsp),%rsi
  call   <scanf@plt>
  mov    0x14(%rsp),%edi
  call   <allocate_ints@plt>
  test   %rax,%rax
  je     L12
  lea    D34(%rip),%rdi
  mov    %rax,%r12
  call   <puts@plt>
  mov    0x14(%rsp),%eax
  test   %eax,%eax
  je     L13
  xor    %ebp,%ebp
  lea    D102(%rip),%r14
  lea    D16(%rip),%r13
  nopl   0x0(%rax)
L46:
  mov    %ebp,%esi
  mov    %r14,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebp,%eax
  mov    %r13,%rdi
  add    $0x1,%ebp
  lea    (%r12,%rax,4),%rbx
  xor    %eax,%eax
  mov    %rbx,%rsi
  call   <scanf@plt>
  cmp    %ebp,0x14(%rsp)
  ja     L46
  xor    %eax,%eax
  lea    D101(%rip),%rdi
  call   <printf@plt>
  test   %ebp,%ebp
  je     L20
  lea    D55(%rip),%rbp
  nopl   0x0(%rax)
L79:
  mov    (%rbx),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbx,%rax
  sub    $0x4,%rbx
  cmp    %r12,%rax
  jne    L79
L20:
  mov    %r12,%rdi
  call   <free@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  xor    %eax,%eax
L30:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L43
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L12:
  lea    D30(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%eax
  jmp    L30
L13:
  lea    D101(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L20
L43:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D107
type: string
name: extract_symbolic_data
arguments: data_label: D117
type: string
name: extract_symbolic_data
arguments: data_label: D69
type: string
name: extract_symbolic_data
arguments: data_label: D111
type: string
name: extract_symbolic_data
arguments: data_label: D60
type: string
name: extract_symbolic_data
arguments: data_label: D34
type: string
name: extract_symbolic_data
arguments: data_label: D102
type: string
name: extract_symbolic_data
arguments: data_label: D16
type: string
name: extract_symbolic_data
arguments: data_label: D101
type: string
name: extract_symbolic_data
arguments: data_label: D55
type: string
name: extract_symbolic_data
arguments: data_label: D30
type: string

tool: D107: first:
x = %d, y = %d



tool: D117: exchange:
x = %d, y = %d



tool: D69: exchange_ptr:
x = %d, y = %d



tool: D111: How many elements would you like to store? 

tool: D60: %u

tool: D34: Enter data:

tool: D102: %u = 

tool: D16: %d

tool: D101: The stored data is as follows:

tool: D55:  %d

tool: D30: Cannot allocate array of that size.

assistant: ```c
int main() {
  int x = 5, y = 8;
  printf("first:\nx = %d, y = %d\n\n", x, y);
  exchange(x, y);
  printf("exchange:\nx = %d, y = %d\n\n", x, y);
  exchange_ptr(&x, &y);
  printf("exchange_ptr:\nx = %d, y = %d\n\n", x, y);
  unsigned size;
  printf("How many elements would you like to store? ");
  scanf("%u", &size);
  int *nums = allocate_ints(size);
  if (!nums) {
    perror("Cannot allocate array of that size.");
    return 1;
  }
  unsigned pos = 0;
  printf("Enter data:\n");
  while (pos < size) {
    printf("%u = ", pos);
    scanf("%d", &nums[pos++]);
  }
  printf("The stored data is as follows:");
  while (pos)
    printf(" %d", nums[--pos]);
  free(nums);
  getchar();
  getchar();
  return 0;
}
```