user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %r15
  lea    D31(%rip),%rdi
  lea    D24(%rip),%r15
  push   %r14
  push   %r13
  push   %r12
  lea    D70(%rip),%r12
  push   %rbp
  push   %rbx
  sub    $0xcb8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xca8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x10(%rsp),%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  lea    0x14(%rsp),%rdx
  call   <scanf@plt>
  lea    D12(%rip),%rdi
  call   <printf@plt>
  mov    0x10(%rsp),%esi
  test   %esi,%esi
  jle    L62
  lea    0x20(%rsp),%r14
  xor    %r13d,%r13d
  nopw   0x0(%rax,%rax,1)
L159:
  mov    0x14(%rsp),%ecx
  mov    %r14,%rbp
  xor    %ebx,%ebx
  test   %ecx,%ecx
  jle    L66
  nopl   (%rax)
L103:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <scanf@plt>
  add    $0x4,%rbp
  cmp    %ebx,0x14(%rsp)
  jg     L103
L66:
  add    $0x1,%r13
  add    $0x50,%r14
  cmp    %r13d,0x10(%rsp)
  jg     L159
L62:
  lea    D47(%rip),%rdi
  call   <printf@plt>
  lea    0x1c(%rsp),%rdx
  mov    %r15,%rdi
  xor    %eax,%eax
  lea    0x18(%rsp),%rsi
  call   <scanf@plt>
  lea    D76(%rip),%rdi
  call   <printf@plt>
  mov    0x18(%rsp),%edx
  test   %edx,%edx
  jle    L107
  lea    0x660(%rsp),%r14
  xor    %r13d,%r13d
L122:
  mov    0x1c(%rsp),%eax
  mov    %r14,%rbp
  xor    %ebx,%ebx
  test   %eax,%eax
  jle    L19
  nopl   (%rax)
L147:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <scanf@plt>
  add    $0x4,%rbp
  cmp    %ebx,0x1c(%rsp)
  jg     L147
L19:
  add    $0x1,%r13
  add    $0x50,%r14
  cmp    %r13d,0x18(%rsp)
  jg     L122
L107:
  lea    D108(%rip),%rdi
  call   <printf@plt>
  lea    D29(%rip),%rdi
  call   <printf@plt>
  lea    D44(%rip),%rdi
  call   <printf@plt>
  lea    D32(%rip),%rdi
  call   <printf@plt>
  lea    D64(%rip),%rdi
  call   <printf@plt>
  lea    0xc(%rsp),%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  mov    0xc(%rsp),%eax
  cmp    $0x3,%eax
  je     L86
  jg     L4
  cmp    $0x1,%eax
  je     L104
  cmp    $0x2,%eax
  jne    L15
  mov    0x1c(%rsp),%r9d
  mov    0x18(%rsp),%r8d
  lea    0x660(%rsp),%rsi
  lea    0x20(%rsp),%rdi
  mov    0x14(%rsp),%ecx
  mov    0x10(%rsp),%edx
  call   <subtract@plt>
L163:
  mov    0xca8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0xcb8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L4:
  cmp    $0x4,%eax
  jne    L15
  mov    0x14(%rsp),%edx
  mov    0x10(%rsp),%esi
  lea    0x20(%rsp),%rdi
  call   <transpose@plt>
  jmp    L163
L86:
  mov    0x1c(%rsp),%r9d
  mov    0x18(%rsp),%r8d
  lea    0x660(%rsp),%rsi
  lea    0x20(%rsp),%rdi
  mov    0x14(%rsp),%ecx
  mov    0x10(%rsp),%edx
  call   <multiply@plt>
  jmp    L163
L15:
  lea    D116(%rip),%rdi
  call   <printf@plt>
  jmp    L163
L104:
  mov    0x1c(%rsp),%r9d
  mov    0x18(%rsp),%r8d
  lea    0x660(%rsp),%rsi
  lea    0x20(%rsp),%rdi
  mov    0x14(%rsp),%ecx
  mov    0x10(%rsp),%edx
  call   <add@plt>
  jmp    L163
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D31
type: string
name: retrieve_data
arguments: data_label: D24
type: string
name: retrieve_data
arguments: data_label: D70
type: string
name: retrieve_data
arguments: data_label: D12
type: string
name: retrieve_data
arguments: data_label: D47
type: string
name: retrieve_data
arguments: data_label: D76
type: string
name: retrieve_data
arguments: data_label: D108
type: string
name: retrieve_data
arguments: data_label: D29
type: string
name: retrieve_data
arguments: data_label: D44
type: string
name: retrieve_data
arguments: data_label: D32
type: string
name: retrieve_data
arguments: data_label: D64
type: string
name: retrieve_data
arguments: data_label: D116
type: string

tool: D31: 
Enter number of rows and columns for matrix 1: 

tool: D24: %d %d

tool: D70: %d

tool: D12: 
Enter matrix 1:


tool: D47: 
Enter number of rows and columns for matrix 2: 

tool: D76: 
Enter matrix 2:


tool: D108: 
1) To perform matrix addition

tool: D29: 
2) To perform matrix subtraction

tool: D44: 
3) To perform matrix multiplication

tool: D32: 
4) To find transpose

tool: D64: 
Enter 1,2,3 or 4: 

tool: D116: 
Invalid Choice

assistant: ```c
int main() {
  int choice, m, n, p, q, i, j;
  int arr1[20][20], arr2[20][20];
  printf("\nEnter number of rows and columns for matrix 1: ");
  scanf("%d %d", &m, &n);
  printf("\nEnter matrix 1:\n");
  for (i = 0; i < m; i++)
    for (j = 0; j < n; j++)
      scanf("%d", &arr1[i][j]);
  printf("\nEnter number of rows and columns for matrix 2: ");
  scanf("%d %d", &p, &q);
  printf("\nEnter matrix 2:\n");
  for (i = 0; i < p; i++)
    for (j = 0; j < q; j++)
      scanf("%d", &arr2[i][j]);
  printf("\n1) To perform matrix addition");
  printf("\n2) To perform matrix subtraction");
  printf("\n3) To perform matrix multiplication");
  printf("\n4) To find transpose");
  printf("\nEnter 1,2,3 or 4: ");
  scanf("%d", &choice);
  switch (choice) {
  case 1:
    add(arr1, arr2, m, n, p, q);
    break;
  case 2:
    subtract(arr1, arr2, m, n, p, q);
    break;
  case 3:
    multiply(arr1, arr2, m, n, p, q);
    break;
  case 4:
    transpose(arr1, m, n);
    break;
  default:
    printf("\nInvalid Choice");
  }
  return 0;
}
```