user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r15
  lea    D1(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  lea    D8(%rip),%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <puts@plt>
  lea    0x4(%rsp),%rsi
  mov    %r12,%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  lea    D35(%rip),%rdi
  mov    %rax,%r13
  call   <puts@plt>
  mov    0x4(%rsp),%eax
  test   %eax,%eax
  js     L44
  mov    %r13,%rbp
  xor    %ebx,%ebx
  xchg   %ax,%ax
L69:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  add    $0x1,%ebx
  add    $0x4,%rbp
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    %ebx,%eax
  jge    L69
L44:
  lea    0x8(,%rax,8),%edi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    0x4(%rsp),%eax
  lea    0x8(,%rax,8),%edi
  call   <malloc@plt>
  mov    0x4(%rsp),%ecx
  mov    %rax,%r14
  test   %ecx,%ecx
  js     L25
  mov    %rax,%rbp
  mov    %r12,%rbx
  xor    %r15d,%r15d
  sub    %r12,%rbp
L9:
  lea    0x4(,%rcx,4),%edi
  add    $0x1,%r15d
  call   <malloc@plt>
  mov    %rax,(%rbx)
  mov    0x4(%rsp),%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x4(%rsp),%ecx
  mov    %rax,0x0(%rbp,%rbx,1)
  add    $0x8,%rbx
  cmp    %r15d,%ecx
  jge    L9
L25:
  mov    %r13,%rdx
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <OptimizedMatrix@plt>
  mov    0x4(%rsp),%edx
  test   %edx,%edx
  js     L8
  mov    %r14,%rbp
  xor    %r13d,%r13d
  lea    D16(%rip),%r12
  nopl   0x0(%rax,%rax,1)
L24:
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L64:
  mov    0x0(%rbp),%rax
  mov    %r12,%rdi
  mov    (%rax,%rbx,4),%esi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %ebx,0x4(%rsp)
  jge    L64
  mov    $0xa,%edi
  add    $0x1,%r13d
  add    $0x8,%rbp
  call   <putchar@plt>
  mov    0x4(%rsp),%edx
  cmp    %r13d,%edx
  jge    L24
L8:
  mov    $0x1,%esi
  mov    %r14,%rdi
  call   <print@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L42
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L42:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D1
datatype: string
name: retrieve_data
arguments: tag: D8
datatype: string
name: retrieve_data
arguments: tag: D35
datatype: string
name: retrieve_data
arguments: tag: D16
datatype: string

tool: D1: Matrices count:

tool: D8: %d

tool: D35: Enter matrices orders

tool: D16: %d 

assistant: ```c
int main(void) {
  int P, i, j;
  int *p;
  printf("Matrices count:\n");
  scanf("%d", &P);
  p = (int *)malloc(sizeof(int) * (P + 1));
  printf("Enter matrices orders\n");
  for (i = 0; i < P + 1; i++)
    scanf("%d", &p[i]);
  int **table = (int **)malloc(sizeof(int *) * (P + 1));
  int **pi = (int **)malloc(sizeof(int *) * (P + 1));
  for (i = 0; i < P + 1; i++) {
    table[i] = (int *)malloc(sizeof(int) * (P + 1));
    pi[i] = (int *)malloc(sizeof(int) * (P + 1));
  }
  OptimizedMatrix(table, pi, p, P);
  for (i = 0; i < P + 1; i++) {
    for (j = 0; j < P + 1; j++) {
      printf("%d ", pi[i][j]);
    }
    printf("\n");
  }
  print(pi, 1, P);
}
```