user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    -0xf4000(%rsp),%r11
L15:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L15
  sub    $0x300,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xf42e0(%rbp),%rdx
  mov    $0x0,%eax
  mov    $0xd,%ecx
  mov    %rdx,%rdi
  rep stos %rax,%es:(%rdi)
  lea    -0xf42f8(%rbp),%rax
  mov    %rax,%rsi
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  jmp    L17
L23:
  lea    -0xf42f0(%rbp),%rax
  mov    %rax,%rsi
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  movl   $0x0,-0xf42e8(%rbp)
  jmp    L8
L53:
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,-0xf42f9(%rbp)
  movsbl -0xf42f9(%rbp),%eax
  sub    $0x61,%eax
  cltq
  mov    -0xf42e0(%rbp,%rax,4),%eax
  movsbl -0xf42f9(%rbp),%edx
  lea    -0x61(%rdx),%ecx
  lea    0x1(%rax),%edx
  movslq %ecx,%rax
  mov    %edx,-0xf42e0(%rbp,%rax,4)
  addl   $0x1,-0xf42e8(%rbp)
L8:
  mov    -0xf42f0(%rbp),%eax
  cmp    %eax,-0xf42e8(%rbp)
  jl     L53
  lea    -0xf42f4(%rbp),%rax
  mov    %rax,%rsi
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movl   $0x1,-0xf42f0(%rbp)
  movl   $0x0,-0xf42e8(%rbp)
  jmp    L111
L73:
  mov    -0xf42e8(%rbp),%eax
  cltq
  mov    -0xf42e0(%rbp,%rax,4),%eax
  cmp    $0x1,%eax
  jne    L97
  mov    -0xf42e8(%rbp),%eax
  lea    0x61(%rax),%edx
  mov    -0xf42f0(%rbp),%eax
  cltq
  mov    %dl,-0xf4270(%rbp,%rax,1)
  mov    -0xf42f0(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0xf42f0(%rbp)
L97:
  mov    -0xf42e8(%rbp),%eax
  cltq
  movl   $0x0,-0xf42e0(%rbp,%rax,4)
  addl   $0x1,-0xf42e8(%rbp)
L111:
  cmpl   $0x19,-0xf42e8(%rbp)
  jle    L73
  movl   $0x0,-0xf42ec(%rbp)
  mov    -0xf42f0(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0xf42f0(%rbp)
  jmp    L14
L1:
  mov    -0xf42f4(%rbp),%eax
  mov    -0xf42f0(%rbp),%ecx
  cltd
  idiv   %ecx
  mov    %edx,-0xf42e4(%rbp)
  mov    -0xf42f4(%rbp),%eax
  mov    -0xf42f0(%rbp),%esi
  cltd
  idiv   %esi
  mov    %eax,-0xf42f4(%rbp)
  cmpl   $0x0,-0xf42e4(%rbp)
  jne    L84
  mov    -0xf42f0(%rbp),%eax
  mov    %eax,-0xf42e4(%rbp)
L84:
  mov    -0xf42e4(%rbp),%eax
  cltq
  movzbl -0xf4270(%rbp,%rax,1),%edx
  mov    -0xf42ec(%rbp),%eax
  cltq
  mov    %dl,-0xf4250(%rbp,%rax,1)
  addl   $0x1,-0xf42ec(%rbp)
L14:
  mov    -0xf42f4(%rbp),%eax
  test   %eax,%eax
  jne    L1
  mov    -0xf42ec(%rbp),%eax
  cltq
  movb   $0x0,-0xf4250(%rbp,%rax,1)
  lea    -0xf4250(%rbp),%rax
  mov    %rax,%rsi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L17:
  mov    -0xf42f8(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0xf42f8(%rbp)
  test   %eax,%eax
  jne    L23
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L18
  call   <__stack_chk_fail@plt>
L18:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D27
type_guessed: string
name: disassemble_data
arguments: data_label: D16
type_guessed: string

tool: D27: %d

tool: D16: %s


assistant: ```c
int main() {
  int t, s[26] = {0};
  scanf("%d", &t);
  int n, l, k, i, r;
  char c, b[26], res[1000000];
  while (t--) {
    scanf("%d", &l);
    getchar();
    for (i = 0; i < l; i++) {
      c = getchar();
      s[c - 'a'] += 1;
    }
    scanf("%d", &n);
    l = 1;
    for (i = 0; i < 26; i++) {
      if (s[i] == 1) {
        b[l] = i + 'a';
        l = l + 1;
      }
      s[i] = 0;
    }
    k = 0;
    l = l - 1;
    while (n != 0) {
      r = n % l;
      n = n / l;
      if (r == 0)
        r = l;
      res[k] = b[r];
      k = k + 1;
    }
    res[k] = '\0';
    printf("%s\n", res);
  }
  return 0;
}
```