#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);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int i, a[5];
  for (i = 0; i < 5; i++)
    scanf("%d", a + i);
  for (i = 0; i < 5; i += 2)
    printf("%d ", a[i]);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jge    1169 <main+0x49>
lea    -0x20(%rbp),%rsi
movslq -0x8(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xeaa(%rip),%rdi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1136 <main+0x16>
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jge    119c <main+0x7c>
movslq -0x8(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe7a(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x8(%rbp)
jmp    1170 <main+0x50>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x20,%rsp
lea    0xed4(%rip),%rbx
mov    %rsp,%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
mov    (%rsp),%esi
lea    0xe8e(%rip),%rbx
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [5 x i32]
store i32 0, i32* %1
store i32 0, i32* %2
br label %4
4: ; preds = %13, %0
%5 = load i32, i32* %2
%6 = icmp slt i32 %5, 5
br i1 %6, label %7, label %16
7: ; preds = %4
%8 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 0
%9 = load i32, i32* %2
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds i32, i32* %8, i64 %10
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %11)
br label %13
13: ; preds = %7
%14 = load i32, i32* %2
%15 = add nsw i32 %14, 1
store i32 %15, i32* %2
br label %4
16: ; preds = %4
store i32 0, i32* %2
br label %17
17: ; preds = %26, %16
%18 = load i32, i32* %2
%19 = icmp slt i32 %18, 5
br i1 %19, label %20, label %29
20: ; preds = %17
%21 = load i32, i32* %2
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 %22
%24 = load i32, i32* %23
%25 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %24)
br label %26
26: ; preds = %20
%27 = load i32, i32* %2
%28 = add nsw i32 %27, 2
store i32 %28, i32* %2
br label %17
29: ; preds = %17
%30 = load i32, i32* %1
ret i32 %30
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca [5 x i32]
%2 = bitcast [5 x i32]* %1 to i8*
%3 = getelementptr inbounds [5 x i32], [5 x i32]* %1, i64 0, i64 0
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %3)
%5 = getelementptr inbounds [5 x i32], [5 x i32]* %1, i64 0, i64 1
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %5)
%7 = getelementptr inbounds [5 x i32], [5 x i32]* %1, i64 0, i64 2
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %7)
%9 = getelementptr inbounds [5 x i32], [5 x i32]* %1, i64 0, i64 3
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %9)
%11 = getelementptr inbounds [5 x i32], [5 x i32]* %1, i64 0, i64 4
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %11)
%13 = load i32, i32* %3
%14 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = load i32, i32* %7
%16 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %15)
%17 = load i32, i32* %11
%18 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %17)
ret i32 0
}