user: 请从给定的汇编指令推导出C源代码:

```asm
<djikstras>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  mov    %edx,%r13d
  push   %r12
  push   %rbx
  movslq %ecx,%rbx
  mov    %rbx,%r15
  sub    $0x88,%rsp
  mov    %r8,-0x68(%rbp)
  mov    %r9,-0x90(%rbp)
  mov    %rsp,%r9
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  lea    0x0(,%rbx,4),%rax
  mov    %rax,-0x70(%rbp)
  movslq %edx,%rax
  imul   %rbx,%rax
  lea    0xf(,%rax,4),%r8
  mov    %r8,%rax
  and    $0xfffffffffffff000,%r8
  sub    %r8,%r9
  and    $0xfffffffffffffff0,%rax
  cmp    %r9,%rsp
  je     L38
L207:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %r9,%rsp
  jne    L207
L38:
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  jne    L124
L193:
  mov    %rsp,%r14
  mov    -0x90(%rbp),%r9
  mov    %r15d,%ecx
  mov    %r13d,%edx
  mov    %r14,%r8
  lea    -0x1(%r15),%r12d
  call   <initialize@plt>
  mov    -0x70(%rbp),%rax
  mov    %r14,%r9
  xor    %esi,%esi
  mov    $0xfffffffffffffffc,%rdi
  shr    $0x2,%rax
  mov    %rax,-0x98(%rbp)
  lea    0x0(,%rbx,8),%rax
  mov    %rax,-0x78(%rbp)
  lea    0x0(,%r12,4),%rax
  lea    0x4(%r14,%rax,1),%rcx
  sub    %rax,%rdi
  mov    %r13d,%r14d
  mov    %rcx,-0xa0(%rbp)
  mov    %rdi,-0xa8(%rbp)
  nopl   0x0(%rax)
L158:
  cmp    %r14d,%esi
  jge    L213
  nopl   (%rax)
L92:
  test   %r15d,%r15d
  jle    L3
  mov    -0x78(%rbp),%r8
  movslq %esi,%rdi
  xor    %eax,%eax
  imul   %rdi,%r8
  add    -0x90(%rbp),%r8
  imul   -0x70(%rbp),%rdi
  add    %r9,%rdi
  jmp    L266
  nopl   0x0(%rax,%rax,1)
L36:
  mov    %rdx,%rax
L266:
  mov    (%rdi,%rax,4),%edx
  test   %edx,%edx
  jne    L226
  movq   $0xffffffffffffffff,(%r8,%rax,8)
L226:
  lea    0x1(%rax),%rdx
  cmp    %r12,%rax
  jne    L36
L3:
  add    $0x1,%esi
  cmp    %r14d,%esi
  jl     L92
L213:
  test   %r14d,%r14d
  jle    L211
  mov    -0x90(%rbp),%rax
  xor    %edi,%edi
  mov    %r15d,%ecx
  mov    %r9,%r13
  movq   $0x270f,-0x58(%rbp)
  mov    %edi,%r15d
  mov    %rax,-0x60(%rbp)
  nopw   0x0(%rax,%rax,1)
L46:
  xor    %ebx,%ebx
  test   %ecx,%ecx
  jg     L215
  jmp    L197
  nopl   0x0(%rax,%rax,1)
L12:
  lea    0x1(%rbx),%rax
  cmp    %rbx,%r12
  je     L197
L203:
  mov    %rax,%rbx
L215:
  mov    0x0(%r13,%rbx,4),%eax
  mov    %ebx,%esi
  test   %eax,%eax
  je     L12
  mov    -0x68(%rbp),%r8
  mov    %r14d,%edx
  mov    %r15d,%edi
  mov    %r9,-0x50(%rbp)
  mov    %ecx,-0x44(%rbp)
  call   <get_minimal@plt>
  mov    -0x60(%rbp),%rdx
  mov    -0x44(%rbp),%ecx
  mov    0x10(%rax),%rsi
  mov    -0x50(%rbp),%r9
  mov    (%rdx,%rbx,8),%rdi
  lea    (%rsi,%rdi,1),%r8
  cmp    -0x58(%rbp),%r8
  jg     L12
  mov    (%rax),%rdx
  mov    0x8(%rax),%rax
  mov    %rdx,-0x80(%rbp)
  mov    %rax,-0x88(%rbp)
  cmp    %rdi,%rsi
  jle    L98
  mov    %rsi,-0x58(%rbp)
  cmp    $0xf423e,%rsi
  jle    L12
L98:
  mov    %rdi,-0x58(%rbp)
  lea    0x1(%rbx),%rax
  cmp    %rbx,%r12
  jne    L203
  nopl   0x0(%rax,%rax,1)
L197:
  lea    0x1(%r15),%eax
  mov    -0x78(%rbp),%rdx
  add    -0x70(%rbp),%r13
  add    %rdx,-0x60(%rbp)
  cmp    %eax,%r14d
  je     L93
  mov    %eax,%r15d
  jmp    L46
  nopl   (%rax)
L93:
  mov    -0x98(%rbp),%rax
  mov    %r15d,%edi
  mov    %ecx,%r15d
  xor    %r10d,%r10d
  mov    -0x80(%rbp),%rcx
  mov    -0x88(%rbp),%rdx
  mov    $0x1,%esi
  xor    %r8d,%r8d
  mov    -0xa8(%rbp),%r11
  imul   %rcx,%rax
  add    %rdx,%rax
  movl   $0x1,(%r9,%rax,4)
  mov    -0x78(%rbp),%rax
  imul   %rcx,%rax
  mov    -0x90(%rbp),%rcx
  lea    (%rcx,%rdx,8),%rcx
  mov    -0x58(%rbp),%rdx
  mov    %rdx,(%rcx,%rax,1)
  mov    -0xa0(%rbp),%rcx
  mov    -0x70(%rbp),%rdx
  nop
L146:
  lea    (%r11,%rcx,1),%rax
  test   %r15d,%r15d
  jle    L221
  nopl   0x0(%rax)
L205:
  mov    (%rax),%ebx
  test   %ebx,%ebx
  cmove  %r8d,%esi
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L205
L221:
  lea    0x1(%r10),%eax
  add    %rdx,%rcx
  cmp    %r10d,%edi
  je     L166
  mov    %eax,%r10d
  jmp    L146
  nopw   0x0(%rax,%rax,1)
L166:
  test   %esi,%esi
  je     L158
L275:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L85
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L211:
  mov    -0x80(%rbp),%rax
  mov    -0x90(%rbp),%rcx
  imul   -0x78(%rbp),%rax
  mov    -0x88(%rbp),%rdi
  lea    (%rcx,%rdi,8),%rdx
  movq   $0x270f,(%rdx,%rax,1)
  jmp    L275
L124:
  orq    $0x0,-0x8(%rsp,%rax,1)
  jmp    L193
L85:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void djikstras(int x, int y, int m, int n, long tiles[m][n], long L[m][n]) {
  bool S[m][n];
  initialize(x, y, m, n, S, L);
  long *p = 0;
  bool done = false;
  while (!done) {
    done = true;
    int i, j;
    long t[5], min = 9999;
    for (i = 0; i < m; i++)
      for (j = 0; j < n; j++) {
        if (!S[i][j])
          L[i][j] = -1;
      }
    for (i = 0; i < m; i++)
      for (j = 0; j < n; j++)
        if (S[i][j]) {
          p = get_minimal(i, j, m, n, tiles, S);
          if (p[2] + L[i][j] <= min) {
            t[0] = p[0];
            t[1] = p[1];
            t[2] = p[2];
            t[3] = i;
            t[4] = j;
            min = (t[2] < 999999 && t[2] > L[i][j] ? t[2] : L[i][j]);
          }
        }
    S[t[0]][t[1]] = true;
    L[t[0]][t[1]] = min;
    for (i = 0; i < m; i++)
      for (j = 0; j < n; j++)
        if (!S[i][j])
          done = false;
  }
}
```