#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 main() {
  printf("输入身高，单位cm");
  int height;
  scanf("%d", &height);
  float inch = height / 2.54;
  printf("你的身高为%dcm，%f英寸", height, inch);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cvtsi2sdl -0x8(%rbp),%xmm0
movsd  0xea6(%rip),%xmm1
divsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0xc(%rbp)
mov    -0x8(%rbp),%esi
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xea9(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%esi
cvtsi2sd %esi,%xmm0
divsd  0xeb0(%rip),%xmm0
cvtsd2ss %xmm0,%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xec4(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [24 x i8] c"\E8\BE\93\E5\85\A5\E8\BA\AB\E9\AB\98\EF\BC\8C\E5\8D\95\E4\BD\8Dcm\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [31 x i8] c"\E4\BD\A0\E7\9A\84\E8\BA\AB\E9\AB\98\E4\B8\BA%dcm\EF\BC\8C%f\E8\8B\B1\E5\AF\B8\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca float
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%6 = load i32, i32* %2
%7 = sitofp i32 %6 to double
%8 = fdiv double %7, 2.540000e+00
%9 = fptrunc double %8 to float
store float %9, float* %3
%10 = load i32, i32* %2
%11 = load float, float* %3
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.2, i64 0, i64 0), i32 %10, double %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [24 x i8] c"\E8\BE\93\E5\85\A5\E8\BA\AB\E9\AB\98\EF\BC\8C\E5\8D\95\E4\BD\8Dcm\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [31 x i8] c"\E4\BD\A0\E7\9A\84\E8\BA\AB\E9\AB\98\E4\B8\BA%dcm\EF\BC\8C%f\E8\8B\B1\E5\AF\B8\00"
define i32 @main() {
%1 = alloca i32
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%3 = bitcast i32* %1 to i8*
%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 = sitofp i32 %5 to double
%7 = fdiv double %6, 2.540000e+00
%8 = fptrunc double %7 to float
%9 = fpext float %8 to double
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @.str.2, i64 0, i64 0), i32 %5, double %9)
ret i32 0
}