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

```asm
<main>:
  endbr64
  push   %r13
  lea    D5(%rip),%r13
  push   %r12
  mov    %r13,%rdi
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <scanf@plt>
  mov    (%rsp),%eax
  lea    0x0(,%rax,4),%edi
  call   <malloc@plt>
  mov    (%rsp),%edi
  mov    %rax,%rbx
  mov    %rax,%r12
  test   %edi,%edi
  jle    L6
  xchg   %ax,%ax
L65:
  mov    %r12,%rsi
  mov    %r13,%rdi
  add    $0x1,%ebp
  add    $0x4,%r12
  call   <scanf@plt>
  cmp    %ebp,(%rsp)
  jg     L65
L6:
  lea    0x4(%rsp),%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  mov    (%rsp),%r9d
  test   %r9d,%r9d
  jle    L17
  mov    (%rbx),%edx
  mov    %rbx,%rdi
  mov    %rbx,%rsi
  xor    %r10d,%r10d
  xor    %ecx,%ecx
  mov    %edx,%r8d
  nopl   0x0(%rax)
L96:
  mov    (%rsi),%eax
  cmp    %eax,%edx
  cmovg  %eax,%edx
  cmp    %r8d,%eax
  jle    L45
  mov    %eax,%r8d
  movslq %ecx,%r10
L45:
  add    $0x1,%ecx
  add    $0x4,%rsi
  cmp    %ecx,%r9d
  jne    L96
  test   %edx,%edx
  js     L89
L84:
  mov    (%rbx,%r10,4),%esi
  mov    $0x2,%edi
  add    $0x1,%esi
  call   <calloc@plt>
  mov    (%rsp),%edx
  test   %edx,%edx
  jle    L150
  mov    0x4(%rsp),%edi
  mov    %rbx,%rcx
  lea    (%rbx,%rdx,4),%r8
  nopl   (%rax)
L43:
  movslq (%rcx),%rdx
  mov    %edi,%esi
  sub    %edx,%esi
  test   %esi,%esi
  jle    L85
  movslq %esi,%rsi
  cmpw   $0x1,(%rax,%rsi,2)
  je     L11
L85:
  mov    $0x1,%esi
  add    $0x4,%rcx
  mov    %si,(%rax,%rdx,2)
  cmp    %rcx,%r8
  jne    L43
L150:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L89:
  xor    %eax,%eax
  cs nopw 0x0(%rax,%rax,1)
L136:
  sub    %edx,(%rdi)
  add    $0x1,%eax
  add    $0x4,%rdi
  cmp    %eax,(%rsp)
  jg     L136
L24:
  imul   $0xfffffffe,%edx,%edx
  add    %edx,0x4(%rsp)
  jmp    L84
L11:
  lea    D18(%rip),%rdi
  call   <printf@plt>
  jmp    L150
L17:
  mov    (%rbx),%edx
  xor    %r10d,%r10d
  test   %edx,%edx
  jns    L84
  jmp    L24
L10:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D5
type_infered: string
name: disassemble_data
arguments: data_label: D18
type_infered: string

tool: D5: %d

tool: D18: pair exist


assistant: ```c
int main(void) {
  int i, size, max = 0, min = 0, target;
  int *a;
  short int *flag;
  scanf("%d", &size);
  a = (int *)malloc(sizeof(int) * size);
  for (i = 0; i < size; i++) {
    scanf("%d", &a[i]);
  }
  scanf("%d", &target);
  for (i = 0; i < size; i++) {
    if (a[i] < a[min]) {
      min = i;
    }
    if (a[i] > a[max]) {
      max = i;
    }
  }
  if (a[min] < 0) {
    int temp = abs(a[min]);
    for (i = 0; i < size; i++) {
      a[i] = a[i] + temp;
    }
    target = target + (2 * temp);
  }
  flag = (short int *)calloc(sizeof(short int), a[max] + 1);
  for (i = 0; i < size; i++) {
    int temp;
    temp = target - a[i];
    if (temp > 0 && flag[temp] == 1) {
      printf("pair exist\n");
      break;
    }
    flag[a[i]] = 1;
  }
  return 0;
}
```