user: What would the C source look like for the assembly code provided here?

```asm
<lcs>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,0x8(%rsp)
  test   %ecx,%ecx
  je     L699
  mov    %edx,%ebx
  test   %edx,%edx
  je     L699
  mov    %rdi,%rax
  mov    %rsi,%rbp
  movslq %edx,%rdi
  xor    %r10d,%r10d
  lea    -0x1(%rcx),%esi
  movslq %ecx,%rcx
  sub    %rcx,%rdi
  movslq %esi,%rsi
  add    %rax,%rdi
  jmp    L229
  cs nopw 0x0(%rax,%rax,1)
L502:
  add    $0x1,%r10d
  sub    $0x1,%rsi
  test   %dl,%dl
  jne    L901
  test   %cl,%cl
  jne    L901
L229:
  mov    %ebx,%r11d
  sub    $0x1,%ebx
  movzbl 0x0(%rbp,%rsi,1),%eax
  lea    0x1(%rsi),%r8d
  sete   %dl
  test   %esi,%esi
  movslq %esi,%r14
  mov    %esi,%r12d
  sete   %cl
  cmp    %al,(%rdi,%rsi,1)
  je     L502
  test   %r8d,%r8d
  je     L132
  test   %dl,%dl
  jne    L132
  movslq %r8d,%r8
  xor    %edx,%edx
  movslq %ebx,%rdi
  movslq %r14d,%rcx
  sub    %r8,%rdi
  mov    %edx,%r8d
  add    0x8(%rsp),%rdi
  jmp    L904
  nopl   0x0(%rax,%rax,1)
L389:
  add    $0x1,%r8d
  sub    $0x1,%rcx
  test   %dl,%dl
  jne    L854
  test   %r15b,%r15b
  jne    L854
  movzbl 0x0(%rbp,%rcx,1),%eax
  mov    %r13d,%ebx
L904:
  mov    %ebx,%r13d
  lea    0x1(%rcx),%esi
  sub    $0x1,%r13d
  sete   %dl
  test   %ecx,%ecx
  sete   %r15b
  cmp    %al,(%rdi,%rcx,1)
  je     L389
  mov    %r8d,0x14(%rsp)
  mov    %ecx,0x1c(%rsp)
  test   %esi,%esi
  je     L282
  test   %dl,%dl
  jne    L282
  movslq %ecx,%rdx
  movslq %r13d,%rdi
  xor    %ecx,%ecx
  movslq %esi,%rsi
  mov    %r11d,0x24(%rsp)
  sub    %rsi,%rdi
  mov    %ecx,%r11d
  add    0x8(%rsp),%rdi
  mov    %r12d,0x20(%rsp)
  jmp    L95
  nopl   0x0(%rax)
L310:
  add    $0x1,%r11d
  sub    $0x1,%rdx
  test   %sil,%sil
  jne    L519
  test   %r8b,%r8b
  jne    L519
  movzbl 0x0(%rbp,%rdx,1),%eax
  mov    %ecx,%r13d
L95:
  mov    %r13d,%ecx
  lea    0x1(%rdx),%r9d
  sub    $0x1,%ecx
  sete   %sil
  test   %edx,%edx
  sete   %r8b
  cmp    %al,(%rdi,%rdx,1)
  je     L310
  movslq %edx,%rax
  mov    %r11d,0x18(%rsp)
  mov    0x20(%rsp),%r12d
  mov    0x24(%rsp),%r11d
  mov    %eax,0x24(%rsp)
  test   %r9d,%r9d
  je     L243
  test   %sil,%sil
  jne    L243
  movslq %ecx,%rsi
  movslq %r9d,%r9
  mov    %r12d,0x28(%rsp)
  xor    %edi,%edi
  mov    %rsi,%rdx
  mov    %r8b,0x2c(%rsp)
  sub    %r9,%rsi
  add    0x8(%rsp),%rsi
  jmp    L630
  nopw   0x0(%rax,%rax,1)
L525:
  add    $0x1,%edi
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %r9b
  sub    $0x1,%rax
  or     %r9b,%cl
  jne    L606
L630:
  mov    %edx,%r9d
  movzbl 0x0(%rbp,%rax,1),%r8d
  lea    0x1(%rax),%ecx
  sub    $0x1,%edx
  cmp    %r8b,(%rsi,%rax,1)
  je     L525
  movzbl 0x2c(%rsp),%r8d
  mov    %edi,0x20(%rsp)
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %r11d,0x38(%rsp)
  mov    %r8b,0x34(%rsp)
  mov    0x28(%rsp),%r12d
  mov    %r10d,0x2c(%rsp)
  mov    %r9d,0x3c(%rsp)
  mov    %eax,0x30(%rsp)
  call   <lcs>
  mov    0x30(%rsp),%ecx
  mov    0x3c(%rsp),%edx
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %eax,0x28(%rsp)
  call   <lcs>
  mov    0x28(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  add    %eax,0x20(%rsp)
  mov    0x2c(%rsp),%r10d
  movzbl 0x34(%rsp),%r8d
  mov    0x38(%rsp),%r11d
L543:
  test   %r13d,%r13d
  je     L948
  test   %r8b,%r8b
  jne    L948
  movslq 0x24(%rsp),%rcx
  movslq %r13d,%rsi
  xor    %r13d,%r13d
  mov    %rsi,%rdx
  lea    -0x1(%rcx),%eax
  sub    %rcx,%rsi
  add    0x8(%rsp),%rsi
  cltq
  jmp    L323
  nopl   0x0(%rax,%rax,1)
L849:
  add    $0x1,%r13d
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %dil
  sub    $0x1,%rax
  or     %dil,%cl
  jne    L33
L323:
  mov    %edx,%r8d
  movzbl 0x0(%rbp,%rax,1),%edi
  lea    0x1(%rax),%ecx
  sub    $0x1,%edx
  cmp    %dil,(%rsi,%rax,1)
  je     L849
  mov    0x8(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %r11d,0x34(%rsp)
  mov    %r10d,0x28(%rsp)
  mov    %r8d,0x30(%rsp)
  mov    %eax,0x2c(%rsp)
  call   <lcs>
  mov    0x2c(%rsp),%ecx
  mov    0x30(%rsp),%edx
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %eax,0x24(%rsp)
  call   <lcs>
  mov    0x24(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  mov    0x28(%rsp),%r10d
  mov    0x34(%rsp),%r11d
  add    %eax,%r13d
L33:
  mov    0x20(%rsp),%esi
  mov    %r13d,%edi
  mov    %r10d,0x28(%rsp)
  mov    %r11d,0x24(%rsp)
  call   <max@plt>
  add    %eax,0x18(%rsp)
  mov    0x24(%rsp),%r11d
  mov    0x28(%rsp),%r10d
L927:
  test   %ebx,%ebx
  je     L434
  test   %r15b,%r15b
  jne    L434
  movslq 0x1c(%rsp),%rcx
  movslq %ebx,%r8
  mov    %r10d,0x1c(%rsp)
  xor    %r13d,%r13d
  mov    %r8,%rdx
  lea    -0x1(%rcx),%eax
  sub    %rcx,%r8
  add    0x8(%rsp),%r8
  cltq
  jmp    L146
  nopl   0x0(%rax)
L863:
  add    $0x1,%r13d
  sub    $0x1,%rax
  test   %cl,%cl
  jne    L718
  test   %sil,%sil
  jne    L718
L146:
  mov    %edx,%r9d
  sub    $0x1,%edx
  movzbl 0x0(%rbp,%rax,1),%r10d
  lea    0x1(%rax),%edi
  sete   %cl
  test   %eax,%eax
  movslq %eax,%rbx
  mov    %eax,%r15d
  sete   %sil
  cmp    %r10b,(%r8,%rax,1)
  je     L863
  mov    0x1c(%rsp),%r10d
  test   %edi,%edi
  je     L133
  test   %cl,%cl
  jne    L133
  movslq %edi,%rdi
  xor    %ecx,%ecx
  movslq %edx,%rsi
  mov    %r12d,0x20(%rsp)
  sub    %rdi,%rsi
  mov    %r9d,0x24(%rsp)
  movslq %ebx,%rax
  add    0x8(%rsp),%rsi
  mov    %ecx,%edi
  jmp    L552
  nopl   0x0(%rax,%rax,1)
L137:
  add    $0x1,%edi
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %r8b
  sub    $0x1,%rax
  or     %r8b,%cl
  jne    L512
L552:
  mov    %edx,%r8d
  movzbl 0x0(%rbp,%rax,1),%r9d
  lea    0x1(%rax),%ecx
  sub    $0x1,%edx
  cmp    %r9b,(%rsi,%rax,1)
  je     L137
  mov    0x24(%rsp),%r9d
  mov    %edi,0x1c(%rsp)
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %r11d,0x30(%rsp)
  mov    %r9d,0x34(%rsp)
  mov    0x20(%rsp),%r12d
  mov    %r10d,0x28(%rsp)
  mov    %r8d,0x2c(%rsp)
  mov    %eax,0x24(%rsp)
  call   <lcs>
  mov    0x24(%rsp),%ecx
  mov    0x2c(%rsp),%edx
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %eax,0x20(%rsp)
  call   <lcs>
  mov    0x20(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  add    %eax,0x1c(%rsp)
  mov    0x28(%rsp),%r10d
  mov    0x30(%rsp),%r11d
  mov    0x34(%rsp),%r9d
L249:
  test   %r15d,%r15d
  je     L155
  movslq %r9d,%rsi
  lea    -0x1(%rbx),%eax
  xor    %r15d,%r15d
  mov    %rsi,%rdx
  cltq
  sub    %rbx,%rsi
  add    0x8(%rsp),%rsi
  jmp    L445
  nopl   0x0(%rax,%rax,1)
L907:
  add    $0x1,%r15d
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %dil
  sub    $0x1,%rax
  or     %dil,%cl
  jne    L155
L445:
  mov    %edx,%ebx
  movzbl 0x0(%rbp,%rax,1),%edi
  lea    0x1(%rax),%ecx
  sub    $0x1,%edx
  cmp    %dil,(%rsi,%rax,1)
  je     L907
  mov    0x8(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %r11d,0x2c(%rsp)
  mov    %r10d,0x24(%rsp)
  mov    %eax,0x28(%rsp)
  call   <lcs>
  mov    0x28(%rsp),%ecx
  mov    0x8(%rsp),%rdi
  mov    %ebx,%edx
  mov    %rbp,%rsi
  mov    %eax,0x20(%rsp)
  call   <lcs>
  mov    0x20(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  mov    0x2c(%rsp),%r11d
  mov    0x24(%rsp),%r10d
  add    %eax,%r15d
L155:
  mov    0x1c(%rsp),%esi
  mov    %r15d,%edi
  mov    %r10d,0x24(%rsp)
  mov    %r11d,0x20(%rsp)
  call   <max@plt>
  mov    0x20(%rsp),%r11d
  mov    0x24(%rsp),%r10d
  add    %eax,%r13d
L762:
  mov    0x18(%rsp),%esi
  mov    %r13d,%edi
  mov    %r10d,0x20(%rsp)
  mov    %r11d,0x1c(%rsp)
  call   <max@plt>
  mov    0x1c(%rsp),%r11d
  add    %eax,0x14(%rsp)
  mov    0x20(%rsp),%r10d
  jmp    L838
  cs nopw 0x0(%rax,%rax,1)
L854:
  mov    %r8d,0x14(%rsp)
L838:
  test   %r12d,%r12d
  je     L719
  movslq %r11d,%r8
  lea    -0x1(%r14),%eax
  xor    %r12d,%r12d
  mov    %r8,%rbx
  cltq
  sub    %r14,%r8
  add    0x8(%rsp),%r8
  jmp    L892
  nopw   0x0(%rax,%rax,1)
L75:
  add    $0x1,%r12d
  sub    $0x1,%rax
  test   %sil,%sil
  jne    L719
  test   %dil,%dil
  jne    L719
L892:
  mov    %ebx,%r14d
  sub    $0x1,%ebx
  movzbl 0x0(%rbp,%rax,1),%edx
  lea    0x1(%rax),%ecx
  sete   %sil
  test   %eax,%eax
  movslq %eax,%r15
  mov    %eax,%r13d
  sete   %dil
  cmp    %dl,(%r8,%rax,1)
  je     L75
  test   %ecx,%ecx
  je     L528
  test   %sil,%sil
  jne    L528
  movslq %ebx,%rdi
  movslq %ecx,%rcx
  mov    %r12d,0x18(%rsp)
  movslq %r15d,%rax
  sub    %rcx,%rdi
  xor    %r11d,%r11d
  add    0x8(%rsp),%rdi
  jmp    L380
  nopw   0x0(%rax,%rax,1)
L707:
  add    $0x1,%r11d
  sub    $0x1,%rax
  test   %sil,%sil
  jne    L68
  test   %r8b,%r8b
  jne    L68
  movzbl 0x0(%rbp,%rax,1),%edx
  mov    %ecx,%ebx
L380:
  mov    %ebx,%ecx
  lea    0x1(%rax),%r9d
  sub    $0x1,%ecx
  sete   %sil
  test   %eax,%eax
  sete   %r8b
  cmp    %dl,(%rdi,%rax,1)
  je     L707
  cltq
  mov    0x18(%rsp),%r12d
  mov    %eax,0x1c(%rsp)
  test   %r9d,%r9d
  je     L705
  test   %sil,%sil
  jne    L705
  movslq %ecx,%rsi
  movslq %r9d,%r9
  mov    %r12d,0x20(%rsp)
  xor    %edi,%edi
  mov    %rsi,%rdx
  mov    %r8b,0x24(%rsp)
  sub    %r9,%rsi
  add    0x8(%rsp),%rsi
  jmp    L476
  nopl   (%rax)
L396:
  add    $0x1,%edi
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %r9b
  sub    $0x1,%rax
  or     %r9b,%cl
  jne    L90
L476:
  mov    %edx,%r9d
  movzbl 0x0(%rbp,%rax,1),%r8d
  lea    0x1(%rax),%ecx
  sub    $0x1,%edx
  cmp    %r8b,(%rsi,%rax,1)
  je     L396
  movzbl 0x24(%rsp),%r8d
  mov    %edi,0x18(%rsp)
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %r11d,0x34(%rsp)
  mov    %r8b,0x2c(%rsp)
  mov    0x20(%rsp),%r12d
  mov    %r10d,0x24(%rsp)
  mov    %r9d,0x30(%rsp)
  mov    %eax,0x28(%rsp)
  call   <lcs>
  mov    0x28(%rsp),%ecx
  mov    0x30(%rsp),%edx
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %eax,0x20(%rsp)
  call   <lcs>
  mov    0x20(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  add    %eax,0x18(%rsp)
  mov    0x24(%rsp),%r10d
  movzbl 0x2c(%rsp),%r8d
  mov    0x34(%rsp),%r11d
L482:
  test   %ebx,%ebx
  je     L113
  test   %r8b,%r8b
  jne    L113
  movslq 0x1c(%rsp),%rcx
  movslq %ebx,%rsi
  xor    %ebx,%ebx
  mov    %rsi,%rdx
  lea    -0x1(%rcx),%eax
  sub    %rcx,%rsi
  add    0x8(%rsp),%rsi
  cltq
  jmp    L614
  nopl   0x0(%rax)
L309:
  add    $0x1,%ebx
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %dil
  sub    $0x1,%rax
  or     %dil,%cl
  jne    L666
L614:
  mov    %edx,%r8d
  movzbl 0x0(%rbp,%rax,1),%edi
  lea    0x1(%rax),%ecx
  sub    $0x1,%edx
  cmp    %dil,(%rsi,%rax,1)
  je     L309
  mov    0x8(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %r11d,0x2c(%rsp)
  mov    %r10d,0x20(%rsp)
  mov    %r8d,0x28(%rsp)
  mov    %eax,0x24(%rsp)
  call   <lcs>
  mov    0x24(%rsp),%ecx
  mov    0x28(%rsp),%edx
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %eax,0x1c(%rsp)
  call   <lcs>
  mov    0x1c(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  mov    0x20(%rsp),%r10d
  mov    0x2c(%rsp),%r11d
  add    %eax,%ebx
L666:
  mov    0x18(%rsp),%esi
  mov    %ebx,%edi
  mov    %r10d,0x20(%rsp)
  mov    %r11d,0x1c(%rsp)
  call   <max@plt>
  mov    0x1c(%rsp),%r11d
  mov    0x20(%rsp),%r10d
  add    %eax,%r11d
L215:
  test   %r13d,%r13d
  je     L710
  movslq %r14d,%r8
  lea    -0x1(%r15),%eax
  xor    %r13d,%r13d
  mov    %r8,%rdx
  cltq
  sub    %r15,%r8
  add    0x8(%rsp),%r8
  jmp    L711
  nopw   0x0(%rax,%rax,1)
L939:
  add    $0x1,%r13d
  sub    $0x1,%rax
  test   %cl,%cl
  jne    L710
  test   %sil,%sil
  jne    L710
L711:
  mov    %edx,%ebx
  sub    $0x1,%edx
  movzbl 0x0(%rbp,%rax,1),%r9d
  lea    0x1(%rax),%edi
  sete   %cl
  test   %eax,%eax
  movslq %eax,%r15
  mov    %eax,%r14d
  sete   %sil
  cmp    %r9b,(%r8,%rax,1)
  je     L939
  test   %edi,%edi
  je     L157
  test   %cl,%cl
  jne    L157
  movslq %edx,%rsi
  movslq %edi,%rdi
  mov    %r10d,0x18(%rsp)
  movslq %r15d,%rax
  sub    %rdi,%rsi
  xor    %r8d,%r8d
  add    0x8(%rsp),%rsi
  jmp    L560
  nopw   0x0(%rax,%rax,1)
L504:
  add    $0x1,%r8d
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %dil
  sub    $0x1,%rax
  or     %dil,%cl
  jne    L306
L560:
  mov    %edx,%r9d
  movzbl 0x0(%rbp,%rax,1),%r10d
  lea    0x1(%rax),%ecx
  sub    $0x1,%edx
  cmp    %r10b,(%rsi,%rax,1)
  je     L504
  mov    0x18(%rsp),%r10d
  mov    0x8(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %r11d,0x2c(%rsp)
  mov    %r8d,0x24(%rsp)
  mov    %r10d,0x20(%rsp)
  mov    %r9d,0x28(%rsp)
  mov    %eax,0x1c(%rsp)
  call   <lcs>
  mov    0x1c(%rsp),%ecx
  mov    0x28(%rsp),%edx
  mov    %rbp,%rsi
  mov    0x8(%rsp),%rdi
  mov    %eax,0x18(%rsp)
  call   <lcs>
  mov    0x18(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  mov    0x24(%rsp),%r8d
  mov    0x20(%rsp),%r10d
  mov    0x2c(%rsp),%r11d
  add    %eax,%r8d
L555:
  test   %r14d,%r14d
  je     L898
  movslq %ebx,%rsi
  lea    -0x1(%r15),%eax
  xor    %r14d,%r14d
  mov    %rsi,%rdx
  cltq
  sub    %r15,%rsi
  add    0x8(%rsp),%rsi
  jmp    L923
  nopl   0x0(%rax,%rax,1)
L332:
  add    $0x1,%r14d
  test   %edx,%edx
  sete   %cl
  test   %eax,%eax
  sete   %dil
  sub    $0x1,%rax
  or     %dil,%cl
  jne    L898
L923:
  mov    %edx,%r15d
  movzbl 0x0(%rbp,%rax,1),%edi
  lea    0x1(%rax),%ecx
  mov    %eax,%ebx
  sub    $0x1,%edx
  cmp    %dil,(%rsi,%rax,1)
  je     L332
  mov    0x8(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %r11d,0x24(%rsp)
  mov    %r8d,0x20(%rsp)
  mov    %r10d,0x1c(%rsp)
  call   <lcs>
  mov    0x8(%rsp),%rdi
  mov    %ebx,%ecx
  mov    %r15d,%edx
  mov    %rbp,%rsi
  mov    %eax,0x18(%rsp)
  call   <lcs>
  mov    0x18(%rsp),%esi
  mov    %eax,%edi
  call   <max@plt>
  mov    0x24(%rsp),%r11d
  mov    0x20(%rsp),%r8d
  mov    0x1c(%rsp),%r10d
  add    %eax,%r14d
L898:
  mov    %r8d,%esi
  mov    %r14d,%edi
  mov    %r10d,0x18(%rsp)
  mov    %r11d,0x8(%rsp)
  call   <max@plt>
  mov    0x8(%rsp),%r11d
  mov    0x18(%rsp),%r10d
  add    %eax,%r13d
L710:
  mov    %r11d,%esi
  mov    %r13d,%edi
  mov    %r10d,0x8(%rsp)
  call   <max@plt>
  mov    0x8(%rsp),%r10d
  add    %eax,%r12d
L719:
  mov    0x14(%rsp),%esi
  mov    %r12d,%edi
  mov    %r10d,0x8(%rsp)
  call   <max@plt>
  mov    0x8(%rsp),%r10d
  add    %eax,%r10d
L901:
  add    $0x48,%rsp
  mov    %r10d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L718:
  mov    0x1c(%rsp),%r10d
  jmp    L762
  nopw   0x0(%rax,%rax,1)
L519:
  mov    %r11d,0x18(%rsp)
  mov    0x20(%rsp),%r12d
  mov    0x24(%rsp),%r11d
  jmp    L927
  nopl   0x0(%rax)
L68:
  mov    0x18(%rsp),%r12d
  jmp    L215
L699:
  xor    %r10d,%r10d
  jmp    L901
L306:
  mov    0x18(%rsp),%r10d
  jmp    L555
L606:
  mov    0x28(%rsp),%r12d
  movzbl 0x2c(%rsp),%r8d
  mov    %edi,0x20(%rsp)
  jmp    L543
L512:
  mov    0x20(%rsp),%r12d
  mov    0x24(%rsp),%r9d
  mov    %edi,0x1c(%rsp)
  jmp    L249
L90:
  mov    0x20(%rsp),%r12d
  movzbl 0x24(%rsp),%r8d
  mov    %edi,0x18(%rsp)
  jmp    L482
L132:
  movl   $0x0,0x14(%rsp)
  jmp    L838
L434:
  xor    %r13d,%r13d
  jmp    L762
L282:
  movl   $0x0,0x18(%rsp)
  jmp    L927
L528:
  xor    %r11d,%r11d
  jmp    L215
L243:
  movl   $0x0,0x20(%rsp)
  jmp    L543
L705:
  movl   $0x0,0x18(%rsp)
  jmp    L482
L157:
  xor    %r8d,%r8d
  jmp    L555
L948:
  xor    %r13d,%r13d
  jmp    L33
L113:
  xor    %ebx,%ebx
  jmp    L666
L133:
  movl   $0x0,0x1c(%rsp)
  jmp    L249
```

assistant: ```c
int lcs(char *a, char *b, int m, int n) {
  if (m == 0 || n == 0)
    return 0;
  if (a[m - 1] == b[n - 1])
    return 1 + lcs(a, b, m - 1, n - 1);
  else
    return max(lcs(a, b, m, n - 1), lcs(a, b, m - 1, n));
}
```