user: 这段汇编代码用C语言表示是什么样的:

```asm
<calculate>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edx,%ebp
  mov    %rcx,%r13
  movslq %edi,%rax
  lea    (%rax,%rax,4),%rdx
  lea    (%rax,%rdx,4),%rax
  lea    (%rcx,%rax,8),%rax
  mov    %rax,%rcx
  mov    %rax,0x10(%rsp)
  movslq %esi,%rax
  mov    (%rcx,%rax,8),%r12
  cmp    $0xffffffffffffffff,%r12
  jne    L63
  mov    %edi,%r14d
  mov    %esi,%ebx
  cmp    %esi,%edi
  jl     L23
  movq   $0x0,0x8(%rsp)
  cmp    %ebp,%edi
  jl     L6
L129:
  mov    $0x0,%r15d
  cmp    $0x1,%ebx
  jg     L18
L109:
  mov    0x8(%rsp),%r12
  add    %r15,%r12
L40:
  movslq %ebx,%rbx
  mov    0x10(%rsp),%rax
  mov    %r12,(%rax,%rbx,8)
L63:
  mov    %r12,%rax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L6:
  lea    0x1(%rdi),%r12d
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    $0x1,%esi
  mov    %r12d,%edi
  call   <calculate>
  mov    %rax,%r15
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %ebx,%esi
  mov    %r12d,%edi
  call   <calculate>
  add    %r15,%rax
  mov    %rax,0x8(%rsp)
  lea    0x2(%r14),%r12d
  cmp    %r12d,%ebp
  jl     L129
L21:
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    $0x1,%esi
  mov    %r12d,%edi
  call   <calculate>
  mov    %rax,%r15
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %ebx,%esi
  mov    %r12d,%edi
  call   <calculate>
  add    %rax,%r15
  mov    0x8(%rsp),%rax
  cmp    %r15,%rax
  cmovge %rax,%r15
  mov    %r15,0x8(%rsp)
  add    $0x1,%r12d
  cmp    %r12d,%ebp
  jge    L21
  jmp    L129
L18:
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    $0x1,%esi
  mov    %r14d,%edi
  call   <calculate>
  mov    %rax,%r15
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    $0x1,%esi
  mov    %ebp,%edi
  call   <calculate>
  add    %rax,%r15
  cmp    $0x2,%ebx
  jle    L109
  mov    $0x2,%r12d
L26:
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %r14d,%edi
  call   <calculate>
  mov    %rax,0x18(%rsp)
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %ebp,%edi
  call   <calculate>
  add    0x18(%rsp),%rax
  cmp    %rax,%r15
  cmovl  %rax,%r15
  add    $0x1,%r12d
  cmp    %r12d,%ebx
  jne    L26
  jmp    L109
L23:
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %edi,%esi
  call   <calculate>
  mov    %rax,%r12
  lea    0x1(%r14),%r15d
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %ebx,%esi
  mov    %r15d,%edi
  call   <calculate>
  add    %rax,%r12
  cmp    %ebx,%r15d
  jge    L40
L110:
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %r15d,%esi
  mov    %r14d,%edi
  call   <calculate>
  mov    %rax,0x8(%rsp)
  add    $0x1,%r15d
  mov    %r13,%rcx
  mov    %ebp,%edx
  mov    %ebx,%esi
  mov    %r15d,%edi
  call   <calculate>
  add    0x8(%rsp),%rax
  cmp    %rax,%r12
  cmovl  %rax,%r12
  cmp    %ebx,%r15d
  jne    L110
  jmp    L40
```

assistant: ```c
long long int calculate(int i, int j, int n, long long int memoTable[][20 + 1]) {
  int k;
  long long int maxVal, val, maxValOne, maxValTwo, valOne, valTwo;
  if (memoTable[i][j] != -1)
    return memoTable[i][j];
  if (i >= j) {
    if (i < n) {
      maxValOne = calculate(i + 1, 1, n, memoTable) + calculate(i + 1, j, n, memoTable);
      for (k = i + 2; k <= n; k++) {
        valOne = calculate(k, 1, n, memoTable) + calculate(k, j, n, memoTable);
        if (valOne > maxValOne)
          maxValOne = valOne;
      }
    } else
      maxValOne = 0;
    if (j > 1) {
      maxValTwo = calculate(i, 1, n, memoTable) + calculate(n, 1, n, memoTable);
      for (k = 2; k < j; k++) {
        valTwo = calculate(i, k, n, memoTable) + calculate(n, k, n, memoTable);
        if (valTwo > maxValTwo)
          maxValTwo = valTwo;
      }
    } else
      maxValTwo = 0;
    maxVal = maxValOne + maxValTwo;
  } else {
    maxVal = calculate(i, i, n, memoTable) + calculate(i + 1, j, n, memoTable);
    for (k = i + 1; k < j; k++) {
      val = calculate(i, k, n, memoTable) + calculate(k + 1, j, n, memoTable);
      if (maxVal < val)
        maxVal = val;
    }
  }
  memoTable[i][j] = maxVal;
  return maxVal;
}
```