user: 下面的汇编指令对应的C源代码是什么：

```asm
<find>:
  endbr64
  xor    %r11d,%r11d
  cmp    %edi,%esi
  jg     L519
  mov    %esi,%r10d
  test   %esi,%esi
  je     L370
  cmp    %edi,%esi
  je     L370
  test   %edi,%edi
  jle    L519
  push   %r15
  lea    -0x1(%rsi),%r8d
  xor    %r9d,%r9d
  lea    -0x9(%rsi),%esi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %edi,0xc(%rsp)
  mov    %r10d,0x4(%rsp)
  mov    %r11d,%r10d
  mov    %r8d,%r11d
L8:
  cmp    %r11d,%r9d
  jl     L76
  test   %r11d,%r11d
  je     L333
  cmp    %r11d,%r9d
  je     L333
  test   %r9d,%r9d
  jle    L76
  mov    0x4(%rsp),%eax
  mov    %r11d,0x3c(%rsp)
  xor    %ecx,%ecx
  mov    %r9d,%r15d
  movl   $0x0,0x1c(%rsp)
  mov    %ecx,%r14d
  mov    %r10d,0x40(%rsp)
  lea    -0x2(%rax),%r8d
  mov    %r8d,%r13d
L145:
  cmp    %r13d,%r14d
  jl     L177
  test   %r13d,%r13d
  je     L113
  cmp    %r13d,%r14d
  je     L113
  test   %r14d,%r14d
  jle    L177
  mov    0x4(%rsp),%eax
  mov    %r14d,0x8(%rsp)
  xor    %r9d,%r9d
  xor    %r11d,%r11d
  mov    %r15d,0x44(%rsp)
  mov    %r9d,%r12d
  mov    %r11d,%r15d
  mov    %esi,%ebp
  lea    -0x3(%rax),%r10d
  mov    %r13d,0x48(%rsp)
  mov    %r10d,%r13d
L365:
  cmp    %r13d,%r15d
  jl     L43
  test   %r13d,%r13d
  je     L227
  cmp    %r13d,%r15d
  je     L227
  test   %r15d,%r15d
  jle    L43
  mov    0x4(%rsp),%eax
  xor    %r14d,%r14d
  mov    %r15d,0x10(%rsp)
  mov    %r12d,0x4c(%rsp)
  mov    %r14d,%r15d
  lea    -0x4(%rax),%r10d
  mov    %r13d,0x50(%rsp)
  mov    %ebp,%r13d
  mov    %r10d,%r12d
L423:
  cmp    %r12d,%r15d
  jl     L420
  je     L515
  test   %r12d,%r12d
  je     L515
  test   %r15d,%r15d
  jle    L420
  mov    0x4(%rsp),%eax
  movl   $0x0,0x2c(%rsp)
  xor    %ebx,%ebx
  mov    %r15d,0x14(%rsp)
  mov    %r14d,0x54(%rsp)
  lea    -0x5(%rax),%ebp
  mov    %r13d,%eax
  mov    %ebx,%r13d
  mov    %r12d,0x58(%rsp)
  mov    %ebp,%ebx
  mov    %eax,%ebp
L194:
  cmp    %ebx,%r13d
  jl     L380
  je     L394
  test   %ebx,%ebx
  je     L394
  test   %r13d,%r13d
  jle    L380
  mov    0x4(%rsp),%eax
  mov    %r13d,0x18(%rsp)
  xor    %r15d,%r15d
  mov    %ebp,%r14d
  movl   $0x0,0x34(%rsp)
  mov    %r15d,%ebp
  lea    -0x6(%rax),%edx
  sub    $0x7,%eax
  mov    %ebx,0x5c(%rsp)
  mov    %edx,0x24(%rsp)
  mov    %eax,0x28(%rsp)
L419:
  mov    0x24(%rsp),%eax
  cmp    %eax,%ebp
  jl     L52
  je     L19
  test   %eax,%eax
  je     L19
  test   %ebp,%ebp
  jle    L52
  mov    0x4(%rsp),%eax
  movl   $0x0,0x38(%rsp)
  xor    %ebx,%ebx
  mov    %ebp,0x20(%rsp)
  mov    %r14d,%ebp
  sub    $0x8,%eax
  mov    %eax,0x30(%rsp)
L36:
  mov    0x28(%rsp),%eax
  cmp    %eax,%ebx
  jl     L237
  je     L396
  test   %eax,%eax
  je     L396
  test   %ebx,%ebx
  jle    L237
  mov    %ebp,%eax
  xor    %r12d,%r12d
  mov    %ebx,%ebp
  xor    %r13d,%r13d
  mov    %eax,%ebx
L5:
  mov    0x30(%rsp),%eax
  cmp    %eax,%r13d
  jl     L362
  je     L508
  test   %eax,%eax
  je     L508
  test   %r13d,%r13d
  jle    L362
  xor    %r15d,%r15d
  xor    %r14d,%r14d
L40:
  mov    %r14d,%edi
  mov    %ebx,%esi
  add    $0x1,%r14d
  call   <find>
  add    %eax,%r15d
  cmp    %r14d,%r13d
  jne    L40
  add    %r15d,%r12d
L362:
  add    $0x1,%r13d
  cmp    %r13d,%ebp
  jne    L5
  add    %r12d,0x38(%rsp)
  mov    %ebx,%eax
  mov    %ebp,%ebx
  mov    %eax,%ebp
L237:
  add    $0x1,%ebx
  cmp    %ebx,0x20(%rsp)
  jne    L36
  mov    0x38(%rsp),%edx
  add    %edx,0x34(%rsp)
  mov    %ebp,%r14d
  mov    0x20(%rsp),%ebp
L52:
  add    $0x1,%ebp
  cmp    0x18(%rsp),%ebp
  jne    L419
  mov    0x34(%rsp),%edx
  add    %edx,0x2c(%rsp)
  mov    %r14d,%ebp
  mov    0x18(%rsp),%r13d
  mov    0x5c(%rsp),%ebx
L380:
  add    $0x1,%r13d
  cmp    0x14(%rsp),%r13d
  jne    L194
  mov    0x14(%rsp),%r15d
  mov    0x58(%rsp),%r12d
  mov    %ebp,%r13d
  mov    0x54(%rsp),%r14d
  add    0x2c(%rsp),%r14d
L420:
  add    $0x1,%r15d
  cmp    0x10(%rsp),%r15d
  jne    L423
  mov    0x4c(%rsp),%r12d
  mov    %r13d,%ebp
  mov    0x10(%rsp),%r15d
  mov    0x50(%rsp),%r13d
  add    %r14d,%r12d
L43:
  add    $0x1,%r15d
  cmp    0x8(%rsp),%r15d
  jne    L365
  add    %r12d,0x1c(%rsp)
  mov    0x44(%rsp),%r15d
  mov    %ebp,%esi
  mov    0x8(%rsp),%r14d
  mov    0x48(%rsp),%r13d
L177:
  add    $0x1,%r14d
  cmp    %r15d,%r14d
  jne    L145
  mov    0x3c(%rsp),%r11d
  mov    0x40(%rsp),%r10d
  mov    %r15d,%r9d
  add    0x1c(%rsp),%r10d
L76:
  add    $0x1,%r9d
  cmp    %r9d,0xc(%rsp)
  jne    L8
  add    $0x68,%rsp
  mov    %r10d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L370:
  mov    $0x1,%r11d
L519:
  mov    %r11d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L333:
  add    $0x1,%r10d
  jmp    L76
  cs nopw 0x0(%rax,%rax,1)
L113:
  addl   $0x1,0x1c(%rsp)
  jmp    L177
  nopw   0x0(%rax,%rax,1)
L227:
  add    $0x1,%r12d
  jmp    L43
  nopl   0x0(%rax)
L515:
  add    $0x1,%r14d
  jmp    L420
  nopl   0x0(%rax)
L394:
  addl   $0x1,0x2c(%rsp)
  jmp    L380
  nopw   0x0(%rax,%rax,1)
L19:
  addl   $0x1,0x34(%rsp)
  jmp    L52
  nopw   0x0(%rax,%rax,1)
L396:
  addl   $0x1,0x38(%rsp)
  jmp    L237
  nopw   0x0(%rax,%rax,1)
L508:
  add    $0x1,%r12d
  jmp    L362
```

assistant: ```c
int find(int k, int i) {
  int sum, j;
  if (i > k)
    return 0;
  else if (i == k)
    return 1;
  else if (i == 0)
    return 1;
  else {
    sum = 0;
    for (j = 0; j < k; j++) {
      sum += find(j, i - 1);
    }
    return sum;
  }
}
```