#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
scalar_t__ pow(int, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int number, numberCopy, sumOfCube = 0;
  printf("Enter a number: ");
  scanf("%d", &number);
  numberCopy = number;
  while (number) {
    sumOfCube += pow((number % 10), 3);
    number /= 10;
  }
  if (sumOfCube == numberCopy)
    printf("%d is an Angstrom number\n", numberCopy);
  else
    printf("%d is not an Angstrom number\n", numberCopy);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x10(%rbp)
lea    0xeb3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb6(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
cmpl   $0x0,-0x8(%rbp)
je     11ab <main+0x7b>
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %edx,%edi
mov    $0x3,%esi
call   1050 <pow@plt>
mov    %rax,%rcx
movslq -0x10(%rbp),%rax
add    %rcx,%rax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %eax,-0x8(%rbp)
jmp    116a <main+0x3a>
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jne    11cd <main+0x9d>
mov    -0xc(%rbp),%esi
lea    0xe53(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11de <main+0xae>
mov    -0xc(%rbp),%esi
lea    0xe57(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
lea    0xec6(%rip),%rdi
xor    %ebp,%ebp
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec7(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%ebx
test   %ebx,%ebx
je     11af <main+0x7f>
xor    %ebp,%ebp
mov    %ebx,%eax
movslq %eax,%rdi
imul   $0x66666667,%rdi,%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
sar    $0x22,%rax
add    %ecx,%eax
add    %eax,%eax
lea    (%rax,%rax,4),%eax
sub    %eax,%edi
mov    $0x3,%esi
call   1050 <pow@plt>
add    %eax,%ebp
movslq 0x4(%rsp),%rcx
imul   $0x66666667,%rcx,%rax
mov    %rax,%rdx
shr    $0x3f,%rdx
sar    $0x22,%rax
add    %edx,%eax
mov    %eax,0x4(%rsp)
add    $0x9,%ecx
cmp    $0x12,%ecx
ja     1160 <main+0x30>
cmp    %ebx,%ebp
lea    0xe5c(%rip),%rax
lea    0xe6f(%rip),%rdi
cmove  %rax,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [17 x i8] c"Enter a number: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [26 x i8] c"%d is an Angstrom number\0A\00"
@.str.3 = [30 x i8] c"%d is not an Angstrom number\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %4
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%7 = load i32, i32* %2
store i32 %7, i32* %3
br label %8
8: ; preds = %11, %0
%9 = load i32, i32* %2
%10 = icmp ne i32 %9, 0
br i1 %10, label %11, label %21
11: ; preds = %8
%12 = load i32, i32* %2
%13 = srem i32 %12, 10
%14 = call i64 @pow(i32 %13, i32 3)
%15 = load i32, i32* %4
%16 = sext i32 %15 to i64
%17 = add nsw i64 %16, %14
%18 = trunc i64 %17 to i32
store i32 %18, i32* %4
%19 = load i32, i32* %2
%20 = sdiv i32 %19, 10
store i32 %20, i32* %2
br label %8
21: ; preds = %8
%22 = load i32, i32* %4
%23 = load i32, i32* %3
%24 = icmp eq i32 %22, %23
br i1 %24, label %25, label %28
25: ; preds = %21
%26 = load i32, i32* %3
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0), i32 %26)
br label %31
28: ; preds = %21
%29 = load i32, i32* %3
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0), i32 %29)
br label %31
31: ; preds = %28, %25
%32 = load i32, i32* %1
ret i32 %32
}

LLVM IR (-O2):
@.str = [17 x i8] c"Enter a number: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [26 x i8] c"%d is an Angstrom number\0A\00"
@.str.3 = [30 x i8] c"%d is not an Angstrom number\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = icmp eq i32 %5, 0
br i1 %6, label %18, label %7
7: ; preds = %0, %7
%8 = phi i32 [ %13, %7 ], [ 0, %0 ]
%9 = phi i32 [ %15, %7 ], [ %5, %0 ]
%10 = srem i32 %9, 10
%11 = call i64 @pow(i32 %10, i32 3)
%12 = trunc i64 %11 to i32
%13 = add i32 %8, %12
%14 = load i32, i32* %1
%15 = sdiv i32 %14, 10
store i32 %15, i32* %1
%16 = add i32 %14, 9
%17 = icmp ult i32 %16, 19
br i1 %17, label %18, label %7
18: ; preds = %7, %0
%19 = phi i32 [ 0, %0 ], [ %13, %7 ]
%20 = icmp eq i32 %19, %5
%21 = select i1 %20, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0)
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) %21, i32 %5)
ret i32 0
}