user: Please show me the C implementation that matches the assembly code listed below:

```asm
<solve>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    $0xa,%r14d
  movl   $0x1,-0x70(%rbp)
  movl   $0x1,-0x6c(%rbp)
  mov    %r14d,-0x48(%rbp)
  mov    %edi,%r12d
  jmp    L30
L144:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L103
  orq    $0x0,-0x8(%rsp,%rdx,1)
L103:
  mov    %rsp,-0x60(%rbp)
  movslq -0x44(%rbp),%rax
  shl    $0x2,%rax
  mov    %rax,-0x58(%rbp)
  add    $0xf,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  shl    $0x4,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L47:
  cmp    %rdx,%rsp
  je     L252
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L47
L252:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L53
  orq    $0x0,-0x8(%rsp,%rdx,1)
L53:
  mov    %rsp,-0x68(%rbp)
  mov    -0x48(%rbp),%edx
  mov    -0x4c(%rbp),%esi
  mov    -0x60(%rbp),%rdi
  call   <fill_digits@plt>
  mov    %r13d,%edx
  mov    -0x44(%rbp),%esi
  mov    -0x68(%rbp),%rdi
  call   <fill_digits@plt>
  lea    0xf(%r14),%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  shl    $0x4,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L250:
  cmp    %rdx,%rsp
  je     L183
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L250
L183:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L284
  orq    $0x0,-0x8(%rsp,%rdx,1)
L284:
  mov    %rsp,%r14
  mov    -0x58(%rbp),%rax
  add    $0xf,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  shl    $0x4,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L16:
  cmp    %rdx,%rsp
  je     L202
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L16
L202:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L163
  orq    $0x0,-0x8(%rsp,%rdx,1)
L163:
  mov    %rsp,-0x58(%rbp)
  mov    -0x4c(%rbp),%edi
  test   %edi,%edi
  jle    L92
  mov    %r14,%rax
  lea    -0x1(%rdi),%edx
  lea    0x4(%r14,%rdx,4),%rdx
L25:
  movl   $0x1,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L25
L92:
  mov    -0x44(%rbp),%esi
  test   %esi,%esi
  jle    L96
  mov    -0x58(%rbp),%rdi
  mov    %rdi,%rax
  lea    -0x1(%rsi),%edx
  lea    0x4(%rdi,%rdx,4),%rdx
L255:
  movl   $0x1,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L255
L96:
  mov    -0x58(%rbp),%r9
  mov    %r14,%r8
  mov    -0x68(%rbp),%rcx
  mov    -0x60(%rbp),%rdx
  mov    -0x44(%rbp),%esi
  mov    -0x4c(%rbp),%edi
  call   <simplify@plt>
  test   %rax,%rax
  jne    L266
L213:
  mov    %rbx,%rsp
  jmp    L61
L266:
  mov    %r14,%rdx
  mov    -0x60(%rbp),%rsi
  mov    -0x4c(%rbp),%edi
  call   <from_digits_with_mask@plt>
  mov    %eax,%r14d
  mov    -0x58(%rbp),%rdx
  mov    -0x68(%rbp),%rsi
  mov    -0x44(%rbp),%edi
  call   <from_digits_with_mask@plt>
  test   %r14d,%r14d
  je     L151
  test   %eax,%eax
  je     L151
  mov    -0x48(%rbp),%ecx
  imul   %eax,%ecx
  mov    %r13d,%edx
  imul   %r14d,%edx
  cmp    %edx,%ecx
  jne    L213
  imul   -0x6c(%rbp),%r14d
  mov    %r14d,-0x6c(%rbp)
  imul   -0x70(%rbp),%eax
  mov    %eax,-0x70(%rbp)
  jmp    L213
L151:
  mov    %rbx,%rsp
L61:
  add    $0x1,%r13d
L225:
  mov    %r12d,%esi
  mov    $0xa,%edi
  call   <pow@plt>
  cmp    %r13d,%eax
  jle    L154
  mov    %rsp,%rbx
  test   %r15d,%r15d
  je     L151
  movslq %r13d,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  mov    %r13d,%edx
  sar    $0x1f,%edx
  sub    %edx,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  cmp    %eax,%r13d
  je     L151
  mov    -0x48(%rbp),%edi
  call   <nr_of_digits@plt>
  mov    %eax,%r14d
  mov    %eax,-0x4c(%rbp)
  mov    %r13d,%edi
  call   <nr_of_digits@plt>
  mov    %eax,-0x44(%rbp)
  movslq %r14d,%r14
  shl    $0x2,%r14
  lea    0xf(%r14),%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  shl    $0x4,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L274:
  cmp    %rdx,%rsp
  je     L144
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L274
L154:
  mov    -0x50(%rbp),%eax
  mov    %eax,-0x48(%rbp)
L30:
  mov    %r12d,%esi
  mov    $0xa,%edi
  call   <pow@plt>
  cmp    -0x48(%rbp),%eax
  jle    L164
  mov    -0x48(%rbp),%ecx
  lea    0x1(%rcx),%r13d
  mov    %r13d,-0x50(%rbp)
  movslq %ecx,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  mov    %ecx,%edx
  sar    $0x1f,%edx
  sub    %edx,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%r15d
  jmp    L225
L164:
  mov    -0x70(%rbp),%ebx
  mov    %ebx,%esi
  mov    -0x6c(%rbp),%edi
  call   <gcd@plt>
  mov    %eax,%ecx
  mov    %ebx,%eax
  cltd
  idiv   %ecx
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L89
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L89:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int solve(int p) {
  int num = 1;
  int denom = 1;
  int i, j, k;
  for (i = 10; i < pow(10, p); ++i) {
    for (j = i + 1; j < pow(10, p); ++j) {
      if (i % 10 == 0 || j % 10 == 0) {
        continue;
      }
      int id = nr_of_digits(i);
      int jd = nr_of_digits(j);
      int idigit[id];
      int jdigit[jd];
      fill_digits(idigit, id, i);
      fill_digits(jdigit, jd, j);
      bool imask[id];
      bool jmask[jd];
      for (k = 0; k < id; ++k) {
        imask[k] = true;
      }
      for (k = 0; k < jd; ++k) {
        jmask[k] = true;
      }
      if (simplify(id, jd, idigit, jdigit, imask, jmask)) {
        int newi = from_digits_with_mask(id, idigit, imask);
        int newj = from_digits_with_mask(jd, jdigit, jmask);
        if (newi == 0 || newj == 0) {
          continue;
        }
        if (i * newj == j * newi) {
          num *= newi;
          denom *= newj;
        }
      }
    }
  }
  return denom / gcd(num, denom);
}
```