user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x680,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x1,-0x664(%rbp)
  movl   $0x0,-0x660(%rbp)
L35:
  lea    -0x650(%rbp),%rax
  mov    $0x640,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  movl   $0x0,-0x65c(%rbp)
  jmp    L99
L13:
  lea    -0x678(%rbp),%rax
  mov    %rax,%rsi
  lea    D59(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  test   %rax,%rax
  jle    L10
  movl   $0x0,-0x658(%rbp)
  jmp    L85
L78:
  lea    -0x674(%rbp),%rax
  mov    %rax,%rsi
  lea    D59(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x674(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x674(%rbp)
  mov    -0x674(%rbp),%eax
  mov    -0x65c(%rbp),%edx
  movslq %edx,%rcx
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  movl   $0x1,-0x650(%rbp,%rax,4)
  mov    -0x674(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x65c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  movl   $0x1,-0x650(%rbp,%rax,4)
  addl   $0x1,-0x658(%rbp)
L85:
  mov    -0x678(%rbp),%eax
  cmp    %eax,-0x658(%rbp)
  jl     L78
  jmp    L4
L10:
  movl   $0x1,-0x660(%rbp)
  jmp    L56
L4:
  addl   $0x1,-0x65c(%rbp)
L99:
  cmpl   $0x12,-0x65c(%rbp)
  jle    L13
L56:
  cmpl   $0x0,-0x660(%rbp)
  jne    L47
  lea    -0x650(%rbp),%rax
  mov    $0x14,%esi
  mov    %rax,%rdi
  call   <computeAllPairShortestPath@plt>
  mov    -0x664(%rbp),%eax
  mov    %eax,%esi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x670(%rbp),%rax
  mov    %rax,%rsi
  lea    D59(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movl   $0x0,-0x654(%rbp)
  jmp    L48
L15:
  lea    -0x668(%rbp),%rdx
  lea    -0x66c(%rbp),%rax
  mov    %rax,%rsi
  lea    D41(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x66c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x668(%rbp),%eax
  sub    $0x1,%eax
  movslq %eax,%rcx
  movslq %edx,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  mov    -0x650(%rbp,%rax,4),%ecx
  mov    -0x668(%rbp),%edx
  mov    -0x66c(%rbp),%eax
  mov    %eax,%esi
  lea    D22(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x654(%rbp)
L48:
  mov    -0x670(%rbp),%eax
  cmp    %eax,-0x654(%rbp)
  jl     L15
  mov    $0xa,%edi
  call   <putchar@plt>
  addl   $0x1,-0x664(%rbp)
  jmp    L35
L47:
  nop
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L44
  call   <__stack_chk_fail@plt>
L44:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D59
type: string
name: read_data
arguments: data_label: D0
type: string
name: read_data
arguments: data_label: D41
type: string
name: read_data
arguments: data_label: D22
type: string

tool: D59: %d

tool: D0: Test Set #%d


tool: D41: %d %d

tool: D22: %2d to %2d: %d


assistant: ```c
int main(void) {
  int caseId, adjMat[20][20], numNeighbor, neighbor, stopFlg, city, time, numQuery, cityOne, cityTwo, query;
  caseId = 1;
  stopFlg = 0;
  while (1) {
    memset(adjMat, 0, 20 * 20 * sizeof(int));
    for (city = 0; city < 20 - 1; city++)
      if (scanf("%d", &numNeighbor) > 0) {
        for (time = 0; time < numNeighbor; time++) {
          scanf("%d", &neighbor);
          neighbor--;
          adjMat[neighbor][city] = 1;
          adjMat[city][neighbor] = 1;
        }
      } else {
        stopFlg = 1;
        break;
      }
    if (stopFlg)
      break;
    computeAllPairShortestPath(adjMat, 20);
    printf("Test Set #%d\n", caseId);
    scanf("%d", &numQuery);
    for (query = 0; query < numQuery; query++) {
      scanf("%d %d", &cityOne, &cityTwo);
      printf("%2d to %2d: %d\n", cityOne, cityTwo, adjMat[cityOne - 1][cityTwo - 1]);
    }
    printf("\n");
    caseId++;
  }
  return 0;
}
```