#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 */
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *, int *);
int x_to_the_n(int, int);
int main(void) {
  int x, n;
  printf("¼ÆËãÕûÊýµÄÕýÕûÊý´Î·½£¬ÇëÊäÈëÕûÊýºÍ´Î·½Êý:\n");
  scanf("%i %i", &x, &n);
  printf("%iµÄ%i´Î·½Îª:%i\n", x, n, x_to_the_n(x, n));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeff(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1030 <x_to_the_n@plt>
mov    -0x14(%rbp),%esi
mov    -0x10(%rbp),%edx
mov    %eax,%ecx
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
lea    0xed5(%rip),%rdi
call   1030 <puts@plt>
lea    0xeaa(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1060 <scanf@plt>
mov    0x4(%rsp),%ebx
mov    (%rsp),%ebp
mov    %ebx,%edi
mov    %ebp,%esi
call   1040 <x_to_the_n@plt>
lea    0xe8c(%rip),%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
xor    %eax,%eax
call   1050 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [83 x i8] c"\C2\BC\C3\86\C3\8B\C3\A3\C3\95\C3\BB\C3\8A\C3\BD\C2\B5\C3\84\C3\95\C3\BD\C3\95\C3\BB\C3\8A\C3\BD\C2\B4\C3\8E\C2\B7\C2\BD\C2\A3\C2\AC\C3\87\C3\AB\C3\8A\C3\A4\C3\88\C3\AB\C3\95\C3\BB\C3\8A\C3\BD\C2\BA\C3\8D\C2\B4\C3\8E\C2\B7\C2\BD\C3\8A\C3\BD:\0A\00"
@.str.1 = [6 x i8] c"%i %i\00"
@.str.2 = [25 x i8] c"%i\C2\B5\C3\84%i\C2\B4\C3\8E\C2\B7\C2\BD\C3\8E\C2\AA:%i\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([83 x i8], [83 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %2, i32* %3)
%6 = load i32, i32* %2
%7 = load i32, i32* %3
%8 = load i32, i32* %2
%9 = load i32, i32* %3
%10 = call i32 @x_to_the_n(i32 %8, i32 %9)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), i32 %6, i32 %7, i32 %10)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [6 x i8] c"%i %i\00"
@.str.2 = [25 x i8] c"%i\C2\B5\C3\84%i\C2\B4\C3\8E\C2\B7\C2\BD\C3\8E\C2\AA:%i\0A\00"
@str = [82 x i8] c"\C2\BC\C3\86\C3\8B\C3\A3\C3\95\C3\BB\C3\8A\C3\BD\C2\B5\C3\84\C3\95\C3\BD\C3\95\C3\BB\C3\8A\C3\BD\C2\B4\C3\8E\C2\B7\C2\BD\C2\A3\C2\AC\C3\87\C3\AB\C3\8A\C3\A4\C3\88\C3\AB\C3\95\C3\BB\C3\8A\C3\BD\C2\BA\C3\8D\C2\B4\C3\8E\C2\B7\C2\BD\C3\8A\C3\BD:\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([82 x i8], [82 x i8]* @str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %1, i32* %2)
%7 = load i32, i32* %1
%8 = load i32, i32* %2
%9 = call i32 @x_to_the_n(i32 %7, i32 %8)
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), i32 %7, i32 %8, i32 %9)
ret i32 0
}