#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 n;
  scanf("%lf", &n);
  if (n < 0 || n > 100) {
    printf("Fora de intervalo\n");
    return 0;
  }
  printf("Intervalo ");
  if (n <= 25)
    printf("[0,25]\n");
  else if (n <= 50)
    printf("(25,50]\n");
  else if (n <= 75)
    printf("(50,75]\n");
  else
    printf("(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    1211 <main+0xf1>
lea    0xeb4(%rip),%rdi
call   1030 <printf@plt>
movsd  0xe78(%rip),%xmm0
ucomisd -0x10(%rbp),%xmm0
jb     11ac <main+0x8c>
lea    0xea0(%rip),%rdi
call   1030 <printf@plt>
jmp    120a <main+0xea>
movsd  0xe5c(%rip),%xmm0
ucomisd -0x10(%rbp),%xmm0
jb     11d0 <main+0xb0>
lea    0xe84(%rip),%rdi
call   1030 <printf@plt>
jmp    1205 <main+0xe5>
movsd  0xe40(%rip),%xmm0
ucomisd -0x10(%rbp),%xmm0
jb     11f4 <main+0xd4>
lea    0xe69(%rip),%rdi
call   1030 <printf@plt>
jmp    1200 <main+0xe0>
lea    0xe61(%rip),%rdi
call   1030 <printf@plt>
jmp    1205 <main+0xe5>
jmp    120a <main+0xea>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee8(%rip),%rdi
mov    %rsp,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
xorpd  %xmm1,%xmm1
ucomisd %xmm0,%xmm1
lea    0xefb(%rip),%rdi
ja     11bd <main+0x8d>
ucomisd 0xea2(%rip),%xmm0
ja     11bd <main+0x8d>
lea    0xebd(%rip),%rdi
call   1040 <printf@plt>
movsd  (%rsp),%xmm0
movsd  0xe8f(%rip),%xmm1
ucomisd %xmm0,%xmm1
jae    11ad <main+0x7d>
movsd  0xe89(%rip),%xmm1
ucomisd %xmm0,%xmm1
jae    11b6 <main+0x86>
movsd  0xe83(%rip),%xmm1
ucomisd %xmm0,%xmm1
lea    0xe8f(%rip),%rax
lea    0xe91(%rip),%rdi
cmovb  %rax,%rdi
jmp    11bd <main+0x8d>
lea    0xe94(%rip),%rdi
jmp    11bd <main+0x8d>
lea    0xe83(%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 = [11 x i8] c"Intervalo \00"
@.str.3 = [8 x i8] c"[0,25]\0A\00"
@.str.4 = [9 x i8] c"(25,50]\0A\00"
@.str.5 = [9 x i8] c"(50,75]\0A\00"
@.str.6 = [10 x i8] c"(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 %32
11: ; preds = %6
%12 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%13 = load double, double* %2
%14 = fcmp ole double %13, 2.500000e+01
br i1 %14, label %15, label %17
15: ; preds = %11
%16 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
br label %31
17: ; preds = %11
%18 = load double, double* %2
%19 = fcmp ole double %18, 5.000000e+01
br i1 %19, label %20, label %22
20: ; preds = %17
%21 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
br label %30
22: ; preds = %17
%23 = load double, double* %2
%24 = fcmp ole double %23, 7.500000e+01
br i1 %24, label %25, label %27
25: ; preds = %22
%26 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
br label %29
27: ; preds = %22
%28 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.6, i64 0, i64 0))
br label %29
29: ; preds = %27, %25
br label %30
30: ; preds = %29, %20
br label %31
31: ; preds = %30, %15
store i32 0, i32* %1
br label %32
32: ; preds = %31, %9
%33 = load i32, i32* %1
ret i32 %33
}

LLVM IR (-O2):
@.str = [4 x i8] c"%lf\00"
@.str.2 = [11 x i8] c"Intervalo \00"
@str = [9 x i8] c"(75,100]\00"
@str.7 = [8 x i8] c"(50,75]\00"
@str.8 = [8 x i8] c"(25,50]\00"
@str.9 = [7 x i8] c"[0,25]\00"
@str.10 = [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 %17, label %8
8: ; preds = %0
%9 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%10 = load double, double* %1
%11 = fcmp ugt double %10, 2.500000e+01
br i1 %11, label %12, label %17
12: ; preds = %8
%13 = fcmp ugt double %10, 5.000000e+01
br i1 %13, label %14, label %17
14: ; preds = %12
%15 = fcmp ugt double %10, 7.500000e+01
%16 = select i1 %15, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @str, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @str.7, i64 0, i64 0)
br label %17
17: ; preds = %14, %12, %8, %0
%18 = phi i8* [ getelementptr inbounds ([18 x i8], [18 x i8]* @str.10, i64 0, i64 0), %0 ], [ getelementptr inbounds ([7 x i8], [7 x i8]* @str.9, i64 0, i64 0), %8 ], [ getelementptr inbounds ([8 x i8], [8 x i8]* @str.8, i64 0, i64 0), %12 ], [ %16, %14 ]
%19 = call i32 @puts(i8* dereferenceable(1) %18)
ret i32 0
}