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

```asm
<knapSack>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x68,%rsp
  mov    %edi,-0x64(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %rdx,-0x78(%rbp)
  mov    %ecx,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,-0x80(%rbp)
  mov    -0x64(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    -0x68(%rbp),%eax
  lea    0x1(%rax),%esi
  movslq %ecx,%rax
  sub    $0x1,%rax
  mov    %rax,-0x50(%rbp)
  movslq %ecx,%rax
  mov    %rax,-0x90(%rbp)
  movq   $0x0,-0x88(%rbp)
  movslq %ecx,%rax
  lea    0x0(,%rax,4),%rbx
  movslq %esi,%rax
  sub    $0x1,%rax
  mov    %rax,-0x48(%rbp)
  movslq %ecx,%rax
  mov    %rax,%r14
  mov    $0x0,%r15d
  movslq %esi,%rax
  mov    %rax,%r12
  mov    $0x0,%r13d
  mov    %r15,%rdx
  imul   %r12,%rdx
  mov    %r13,%rax
  imul   %r14,%rax
  lea    (%rdx,%rax,1),%rdi
  mov    %r14,%rax
  mul    %r12
  add    %rdx,%rdi
  mov    %rdi,%rdx
  movslq %ecx,%rax
  mov    %rax,%r10
  mov    $0x0,%r11d
  movslq %esi,%rax
  mov    %rax,%r8
  mov    $0x0,%r9d
  mov    %r11,%rdx
  imul   %r8,%rdx
  mov    %r9,%rax
  imul   %r10,%rax
  lea    (%rdx,%rax,1),%rdi
  mov    %r10,%rax
  mul    %r8
  add    %rdx,%rdi
  mov    %rdi,%rdx
  movslq %ecx,%rdx
  movslq %esi,%rax
  imul   %rdx,%rax
  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
L81:
  cmp    %rdx,%rsp
  je     L110
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L81
L110:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L22
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L22:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x54(%rbp)
  jmp    L98
L94:
  mov    -0x40(%rbp),%rax
  mov    -0x54(%rbp),%edx
  movslq %edx,%rdx
  movl   $0x0,(%rax,%rdx,4)
  addl   $0x1,-0x54(%rbp)
L98:
  mov    -0x54(%rbp),%eax
  cmp    -0x64(%rbp),%eax
  jle    L94
  movl   $0x1,-0x58(%rbp)
  jmp    L116
L40:
  movl   $0x0,-0x54(%rbp)
  jmp    L28
L71:
  mov    -0x58(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x54(%rbp)
  jl     L65
  mov    %rbx,%rcx
  shr    $0x2,%rcx
  mov    -0x58(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x58(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rsi
  mov    -0x70(%rbp),%rax
  add    %rsi,%rax
  mov    (%rax),%edi
  mov    -0x54(%rbp),%eax
  sub    %edi,%eax
  mov    %eax,%esi
  mov    -0x40(%rbp),%rax
  movslq %esi,%rsi
  movslq %edx,%rdx
  imul   %rcx,%rdx
  add    %rsi,%rdx
  mov    (%rax,%rdx,4),%edx
  mov    -0x58(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rcx
  mov    -0x78(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  add    %eax,%edx
  mov    %rbx,%rsi
  shr    $0x2,%rsi
  mov    -0x58(%rbp),%eax
  lea    -0x1(%rax),%edi
  mov    -0x40(%rbp),%rax
  mov    -0x54(%rbp),%ecx
  movslq %ecx,%r8
  movslq %edi,%rcx
  imul   %rsi,%rcx
  add    %r8,%rcx
  mov    (%rax,%rcx,4),%eax
  mov    %rbx,%r12
  shr    $0x2,%r12
  mov    %edx,%esi
  mov    %eax,%edi
  call   <max@plt>
  mov    -0x40(%rbp),%rdx
  mov    -0x54(%rbp),%ecx
  movslq %ecx,%rsi
  mov    -0x58(%rbp),%ecx
  movslq %ecx,%rcx
  imul   %r12,%rcx
  add    %rsi,%rcx
  mov    %eax,(%rdx,%rcx,4)
  jmp    L66
L65:
  mov    %rbx,%rcx
  shr    $0x2,%rcx
  mov    -0x58(%rbp),%eax
  lea    -0x1(%rax),%edi
  mov    %rbx,%rsi
  shr    $0x2,%rsi
  mov    -0x40(%rbp),%rax
  mov    -0x54(%rbp),%edx
  movslq %edx,%r8
  movslq %edi,%rdx
  imul   %rcx,%rdx
  add    %r8,%rdx
  mov    (%rax,%rdx,4),%edx
  mov    -0x40(%rbp),%rax
  mov    -0x54(%rbp),%ecx
  movslq %ecx,%rdi
  mov    -0x58(%rbp),%ecx
  movslq %ecx,%rcx
  imul   %rsi,%rcx
  add    %rdi,%rcx
  mov    %edx,(%rax,%rcx,4)
L66:
  addl   $0x1,-0x54(%rbp)
L28:
  mov    -0x54(%rbp),%eax
  cmp    -0x64(%rbp),%eax
  jle    L71
  addl   $0x1,-0x58(%rbp)
L116:
  mov    -0x58(%rbp),%eax
  cmp    -0x68(%rbp),%eax
  jle    L40
  shr    $0x2,%rbx
  mov    %rbx,%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x64(%rbp),%edx
  movslq %edx,%rsi
  mov    -0x68(%rbp),%edx
  movslq %edx,%rdx
  imul   %rcx,%rdx
  add    %rsi,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    -0x80(%rbp),%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L97
  call   <__stack_chk_fail@plt>
L97:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
int knapSack(int W, int wt[], int v[], int n) {
  int i, j;
  int T[n + 1][W + 1];
  for (j = 0; j <= W; j++)
    T[0][j] = 0;
  for (i = 1; i <= n; i++) {
    for (j = 0; j <= W; j++) {
      if (j >= wt[i - 1]) {
        T[i][j] = max(T[i - 1][j], T[i - 1][j - wt[i - 1]] + v[i - 1]);
      } else {
        T[i][j] = T[i - 1][j];
      }
    }
  }
  return T[n][W];
}
```