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   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  lea    -0x6c(%rbp),%rdx
  lea    -0x70(%rbp),%rax
  mov    %rax,%rsi
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x70(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x58(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0x80(%rbp)
  movq   $0x0,-0x78(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0x90(%rbp)
  movq   $0x0,-0x88(%rbp)
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L68:
  cmp    %rdx,%rsp
  je     L112
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L68
L112:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L78
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L78:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x50(%rbp)
  mov    -0x50(%rbp),%rax
  mov    %rax,%rsi
  lea    D21(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x70(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L118:
  cmp    %rdx,%rsp
  je     L89
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L118
L89:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L16
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L16:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x5c(%rbp)
  jmp    L122
L116:
  mov    -0x50(%rbp),%rdx
  mov    -0x5c(%rbp),%eax
  cltq
  movzbl (%rdx,%rax,1),%eax
  movsbl %al,%eax
  lea    -0x30(%rax),%ecx
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x5c(%rbp)
L122:
  mov    -0x70(%rbp),%eax
  cmp    %eax,-0x5c(%rbp)
  jl     L116
  movl   $0x0,-0x5c(%rbp)
  jmp    L15
L9:
  lea    -0x60(%rbp),%rcx
  lea    -0x64(%rbp),%rdx
  lea    -0x68(%rbp),%rax
  mov    %rax,%rsi
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x68(%rbp),%eax
  cmp    $0x1,%eax
  jne    L119
  mov    -0x64(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x60(%rbp),%ecx
  mov    -0x40(%rbp),%rax
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  jmp    L81
L119:
  mov    -0x60(%rbp),%edx
  mov    -0x64(%rbp),%ecx
  mov    -0x40(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <num_substring@plt>
L81:
  addl   $0x1,-0x5c(%rbp)
L15:
  mov    -0x6c(%rbp),%eax
  cmp    %eax,-0x5c(%rbp)
  jl     L9
  mov    %rbx,%rsp
  mov    $0x0,%eax
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L23
  call   <__stack_chk_fail@plt>
L23:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D17
type: string
name: disassemble_data
arguments: data_tag: D21
type: string
name: disassemble_data
arguments: data_tag: D3
type: string

tool: D17: %d %d

tool: D21: %s

tool: D3: %d %d %d

assistant: ```c
int main(void) {
  int n, m;
  scanf("%d %d", &n, &m);
  char st[n];
  scanf("%s", st);
  int i;
  int a[n];
  for (i = 0; i < n; i++) {
    a[i] = st[i] - '0';
  }
  for (i = 0; i < m; i++) {
    int query, x, y;
    scanf("%d %d %d", &query, &x, &y);
    if (query == 1) {
      a[x - 1] = y;
    } else {
      num_substring(a, x, y);
    }
  }
}
```