#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 *, float *);
int main() {
  float x;
  printf("请输入一个小数：\n");
  scanf("%f", &x);
  int a, b;
  a = (int)x;
  b = (int)(x * 1000) % 1000;
  printf("%d %d\n", a, b);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xece(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeda(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cvttss2si -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
movss  0xea3(%rip),%xmm0
mulss  -0x8(%rbp),%xmm0
cvttss2si %xmm0,%eax
mov    $0x3e8,%ecx
cltd
idiv   %ecx
mov    %edx,-0x10(%rbp)
mov    -0xc(%rbp),%esi
mov    -0x10(%rbp),%edx
lea    0xea3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed6(%rip),%rdi
call   1030 <puts@plt>
lea    0xec0(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
movss  0x4(%rsp),%xmm0
cvttss2si %xmm0,%esi
mulss  0xea0(%rip),%xmm0
cvttss2si %xmm0,%eax
movslq %eax,%rdx
imul   $0x10624dd3,%rdx,%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
sar    $0x26,%rax
add    %ecx,%eax
imul   $0x3e8,%eax,%eax
sub    %eax,%edx
lea    0xe7d(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [26 x i8] c"\E8\AF\B7\E8\BE\93\E5\85\A5\E4\B8\80\E4\B8\AA\E5\B0\8F\E6\95\B0\EF\BC\9A\0A\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [7 x i8] c"%d %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 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), float* %2)
%7 = load float, float* %2
%8 = fptosi float %7 to i32
store i32 %8, i32* %3
%9 = load float, float* %2
%10 = fmul float %9, 1.000000e+03
%11 = fptosi float %10 to i32
%12 = srem i32 %11, 1000
store i32 %12, i32* %4
%13 = load i32, i32* %3
%14 = load i32, i32* %4
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0), i32 %13, i32 %14)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [7 x i8] c"%d %d\0A\00"
@str = [25 x i8] c"\E8\AF\B7\E8\BE\93\E5\85\A5\E4\B8\80\E4\B8\AA\E5\B0\8F\E6\95\B0\EF\BC\9A\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 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), float* %1)
%5 = load float, float* %1
%6 = fptosi float %5 to i32
%7 = fmul float %5, 1.000000e+03
%8 = fptosi float %7 to i32
%9 = srem i32 %8, 1000
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0), i32 %6, i32 %9)
ret i32 0
}