#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 *, double *);
int main() {
  double a;
  scanf("%lf", &a);
  if (a < 0 || a > 100) {
    printf("Fora de intervalo\n");
    return 0;
  }
  if (a <= 25.0) {
    printf("Intervalo [0,25]\n");
    return 0;
  }
  if (a <= 50.0) {
    printf("Intervalo (25,50]\n");
    return 0;
  }
  if (a <= 75.0) {
    printf("Intervalo (50,75]\n");
    return 0;
  }
  printf("Intervalo (75,100]\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeea(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
xorps  %xmm0,%xmm0
ucomisd -0x10(%rbp),%xmm0
ja     1164 <main+0x44>
movsd  -0x10(%rbp),%xmm0
movsd  0xea6(%rip),%xmm1
ucomisd %xmm1,%xmm0
jbe    117c <main+0x5c>
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
jmp    1210 <main+0xf0>
movsd  0xe84(%rip),%xmm0
ucomisd -0x10(%rbp),%xmm0
jb     11a7 <main+0x87>
lea    0xea1(%rip),%rdi
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
jmp    1210 <main+0xf0>
movsd  0xe61(%rip),%xmm0
ucomisd -0x10(%rbp),%xmm0
jb     11d2 <main+0xb2>
lea    0xe88(%rip),%rdi
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
jmp    1210 <main+0xf0>
movsd  0xe3e(%rip),%xmm0
ucomisd -0x10(%rbp),%xmm0
jb     11fd <main+0xdd>
lea    0xe70(%rip),%rdi
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
jmp    1210 <main+0xf0>
lea    0xe6b(%rip),%rdi
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xef8(%rip),%rdi
mov    %rsp,%rsi
call   1040 <scanf@plt>
movsd  (%rsp),%xmm0
xorpd  %xmm1,%xmm1
ucomisd %xmm0,%xmm1
lea    0xf28(%rip),%rdi
ja     119c <main+0x7c>
ucomisd 0xeb2(%rip),%xmm0
ja     119c <main+0x7c>
movsd  0xeb0(%rip),%xmm1
ucomisd %xmm0,%xmm1
jae    118c <main+0x6c>
movsd  0xeaa(%rip),%xmm1
ucomisd %xmm0,%xmm1
jae    1195 <main+0x75>
movsd  0xea4(%rip),%xmm1
ucomisd %xmm0,%xmm1
lea    0xea5(%rip),%rax
lea    0xeb1(%rip),%rdi
cmovb  %rax,%rdi
jmp    119c <main+0x7c>
lea    0xec8(%rip),%rdi
jmp    119c <main+0x7c>
lea    0xead(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%lf\00"
@.str.1 = [19 x i8] c"Fora de intervalo\0A\00"
@.str.2 = [18 x i8] c"Intervalo [0,25]\0A\00"
@.str.3 = [19 x i8] c"Intervalo (25,50]\0A\00"
@.str.4 = [19 x i8] c"Intervalo (50,75]\0A\00"
@.str.5 = [20 x i8] c"Intervalo (75,100]\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca double
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), double* %2)
%4 = load double, double* %2
%5 = fcmp olt double %4, 0.000000e+00
br i1 %5, label %9, label %6
6: ; preds = %0
%7 = load double, double* %2
%8 = fcmp ogt double %7, 1.000000e+02
br i1 %8, label %9, label %11
9: ; preds = %6, %0
%10 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %1
br label %28
11: ; preds = %6
%12 = load double, double* %2
%13 = fcmp ole double %12, 2.500000e+01
br i1 %13, label %14, label %16
14: ; preds = %11
%15 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0))
store i32 0, i32* %1
br label %28
16: ; preds = %11
%17 = load double, double* %2
%18 = fcmp ole double %17, 5.000000e+01
br i1 %18, label %19, label %21
19: ; preds = %16
%20 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0))
store i32 0, i32* %1
br label %28
21: ; preds = %16
%22 = load double, double* %2
%23 = fcmp ole double %22, 7.500000e+01
br i1 %23, label %24, label %26
24: ; preds = %21
%25 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0))
store i32 0, i32* %1
br label %28
26: ; preds = %21
%27 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.5, i64 0, i64 0))
store i32 0, i32* %1
br label %28
28: ; preds = %26, %24, %19, %14, %9
%29 = load i32, i32* %1
ret i32 %29
}

LLVM IR (-O2):
@.str = [4 x i8] c"%lf\00"
@str = [19 x i8] c"Intervalo (75,100]\00"
@str.6 = [18 x i8] c"Intervalo (50,75]\00"
@str.7 = [18 x i8] c"Intervalo (25,50]\00"
@str.8 = [17 x i8] c"Intervalo [0,25]\00"
@str.9 = [18 x i8] c"Fora de intervalo\00"
define i32 @main() {
%1 = alloca double
%2 = bitcast double* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), double* %1)
%4 = load double, double* %1
%5 = fcmp olt double %4, 0.000000e+00
%6 = fcmp ogt double %4, 1.000000e+02
%7 = or i1 %5, %6
br i1 %7, label %15, label %8
8: ; preds = %0
%9 = fcmp ugt double %4, 2.500000e+01
br i1 %9, label %10, label %15
10: ; preds = %8
%11 = fcmp ugt double %4, 5.000000e+01
br i1 %11, label %12, label %15
12: ; preds = %10
%13 = fcmp ugt double %4, 7.500000e+01
%14 = select i1 %13, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @str.6, i64 0, i64 0)
br label %15
15: ; preds = %12, %10, %8, %0
%16 = phi i8* [ getelementptr inbounds ([18 x i8], [18 x i8]* @str.9, i64 0, i64 0), %0 ], [ getelementptr inbounds ([17 x i8], [17 x i8]* @str.8, i64 0, i64 0), %8 ], [ getelementptr inbounds ([18 x i8], [18 x i8]* @str.7, i64 0, i64 0), %10 ], [ %14, %12 ]
%17 = call i32 @puts(i8* dereferenceable(1) %16)
ret i32 0
}