user: What is the c source code of the assembly code below:

```asm
<makingCandy>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  cmp    %rcx,%r8
  jbe    L43
  mov    %rcx,%rbp
  mov    %r8,%rcx
  mov    %rdx,%r14
  xor    %edx,%edx
  sub    %rbp,%rcx
  mov    $0x1,%r12d
  mov    %rcx,%rax
  div    %rsi
  cmp    %rdi,%rax
  jb     L43
  mov    %rsi,%r11
  xor    %edx,%edx
  mov    %rcx,%rax
  mov    %r14,%r10
  imul   %rdi,%r11
  mov    %rsi,%rbx
  mov    $0x1,%r9d
  div    %r11
  cmp    $0x1,%rdx
  sbb    $0xffffffffffffffff,%rax
  xor    %edx,%edx
  sub    %rbp,%r10
  sub    %rdi,%rbx
  mov    %rax,%r12
  mov    %rcx,%rax
  sub    %r14,%rbp
  mov    %rbx,0x28(%rsp)
  div    %r14
  add    $0x1,%rax
  mov    %rax,0x20(%rsp)
  je     L43
  mov    %rdi,(%rsp)
  mov    %r14,%rax
  mov    %rbp,%r15
  mov    %r11,%r14
  mov    %r10,%r13
  mov    %r9,%rbp
  mov    %rsi,%r11
  mov    %rax,%r10
L2:
  xor    %edx,%edx
  mov    %r13,%rax
  div    %r14
  cmp    $0x1,%rdx
  sbb    $0xffffffffffffffff,%rax
  mov    %rax,%rbx
  cmp    %r12,%rax
  jae    L43
  cmp    (%rsp),%r11
  je     L27
  jae    L108
  mov    (%rsp),%rdi
  lea    (%r11,%rbp,1),%rsi
  mov    %rdi,%rax
  sub    %r11,%rax
  cmp    %rbp,%rax
  jae    L3
  mov    0x28(%rsp),%rax
  add    %rbp,%rax
  mov    %rax,%rsi
  and    $0x1,%eax
  shr    %rsi
  add    (%rsp),%rsi
  cmp    $0x1,%rax
  mov    %rsi,%rdi
  sbb    $0xffffffffffffffff,%rdi
  nopl   0x0(%rax)
L3:
  mov    %r14,%rcx
  mov    %r10,%rdx
  mov    %r11,0x18(%rsp)
  imul   %rbx,%rcx
  mov    %r8,0x10(%rsp)
  mov    %r10,0x8(%rsp)
  add    %r15,%rcx
  call   <makingCandy>
  mov    0x8(%rsp),%r10
  mov    0x10(%rsp),%r8
  add    %rax,%rbx
  mov    0x18(%rsp),%r11
  cmp    %rbx,%r12
  cmova  %rbx,%r12
  add    $0x1,%rbp
  add    %r10,%r13
  sub    %r10,%r15
  cmp    0x20(%rsp),%rbp
  jbe    L2
L43:
  add    $0x38,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L27:
  mov    %rbp,%rax
  shr    %rax
  test   $0x1,%bpl
  lea    (%rax,%r11,1),%rsi
  lea    0x1(%rax,%r11,1),%rdi
  cmove  %rsi,%rdi
  jmp    L3
  nopl   0x0(%rax)
L108:
  mov    (%rsp),%rax
  cmp    %rbp,0x28(%rsp)
  jb     L47
  lea    (%rax,%rbp,1),%rdi
  mov    %r11,%rsi
  jmp    L3
  nopw   0x0(%rax,%rax,1)
L47:
  sub    %r11,%rax
  add    %rbp,%rax
  mov    %rax,%rsi
  and    $0x1,%eax
  shr    %rsi
  add    %r11,%rsi
  cmp    $0x1,%rax
  mov    %rsi,%rdi
  sbb    $0xffffffffffffffff,%rdi
  jmp    L3
```

assistant: ```c
unsigned long long makingCandy(unsigned long long m, unsigned long long w, unsigned long long p, unsigned long long sum, unsigned long long n) {
  unsigned long long ret = 0;
  if (n > sum) {
    if (m > (n - sum) / w) {
      ret = 1;
    } else {
      if (0 == (n - sum) % (m * w)) {
        ret = (n - sum) / (m * w);
      } else {
        ret = (n - sum) / (m * w) + 1;
      }
      unsigned long long added = 1;
      while (added <= (n - sum) / p + 1) {
        unsigned long long days = 0;
        if (0 == (p * added - sum) % (m * w)) {
          days = (p * added - sum) / (m * w);
        } else {
          days = (p * added - sum) / (m * w) + 1;
        }
        if (days >= ret) {
          break;
        }
        unsigned long long new_m = m, new_w = w;
        if (m == w) {
          if (0 == added % 2) {
            new_m += added / 2;
            new_w += added / 2;
          } else {
            new_m += added / 2 + 1;
            new_w += added / 2;
          }
        } else {
          if (m > w) {
            if (added <= m - w) {
              new_w += added;
            } else {
              unsigned long long new_added = added - m + w;
              new_w = new_m;
              if (0 == new_added % 2) {
                new_m += new_added / 2;
                new_w += new_added / 2;
              } else {
                new_m += new_added / 2 + 1;
                new_w += new_added / 2;
              }
            }
          } else {
            if (added <= w - m) {
              new_m += added;
            } else {
              unsigned long long new_added = added - w + m;
              new_m = new_w;
              if (0 == new_added % 2) {
                new_m += new_added / 2;
                new_w += new_added / 2;
              } else {
                new_m += new_added / 2 + 1;
                new_w += new_added / 2;
              }
            }
          }
        }
        days += makingCandy(new_m, new_w, p, sum + days * (m * w) - added * p, n);
        if (days < ret) {
          ret = days;
        }
        added++;
      }
    }
  }
  return ret;
}
```