#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 n, i;
  do {
    scanf("%d", &n);
  } while (n <= 0);
  int a[n];
  for (i = 0; i < n; i++) {
    scanf("%d", &a[i]);
  }
  for (i = n - 1; i >= 0; i--) {
    printf("\n%d", a[i]);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xecb(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x0,-0x8(%rbp)
jle    112f <main+0xf>
mov    -0x8(%rbp),%eax
mov    %rsp,%rcx
mov    %rcx,-0x18(%rbp)
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x28(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x20(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11ac <main+0x8c>
mov    -0x28(%rbp),%rsi
movslq -0xc(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe68(%rip),%rdi
call   1040 <scanf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1177 <main+0x57>
mov    -0x8(%rbp),%eax
sub    $0x1,%eax
mov    %eax,-0xc(%rbp)
cmpl   $0x0,-0xc(%rbp)
jl     11e4 <main+0xc4>
mov    -0x28(%rbp),%rax
movslq -0xc(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe2f(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0xc(%rbp)
jmp    11b5 <main+0x95>
movl   $0x0,-0x4(%rbp)
mov    -0x18(%rbp),%rax
mov    %rax,%rsp
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
mov    %rsp,%rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
lea    0xecc(%rip),%r14
lea    -0x2c(%rbp),%rbx
nopl   0x0(%rax)
mov    %r14,%rdi
mov    %rbx,%rsi
call   1040 <scanf@plt>
mov    -0x2c(%rbp),%eax
test   %eax,%eax
jle    1140 <main+0x20>
mov    %rsp,%r15
mov    %rsp,%r12
lea    0xf(,%rax,4),%rax
and    $0xfffffffffffffff0,%rax
sub    %rax,%r12
mov    %r12,%rsp
cmpl   $0x0,-0x2c(%rbp)
jle    11c9 <main+0xa9>
xor    %r13d,%r13d
lea    0xe87(%rip),%r14
mov    %r12,%rbx
nopl   (%rax)
mov    %r14,%rdi
mov    %rbx,%rsi
call   1040 <scanf@plt>
add    $0x1,%r13
movslq -0x2c(%rbp),%rax
add    $0x4,%rbx
cmp    %rax,%r13
jl     1180 <main+0x60>
mov    %eax,%ebx
test   %ebx,%ebx
jle    11c9 <main+0xa9>
add    $0x1,%rbx
lea    0xe53(%rip),%r14
nopl   (%rax)
lea    -0x2(%rbx),%eax
mov    (%r12,%rax,4),%esi
mov    %r14,%rdi
call   1030 <printf@plt>
add    $0xffffffffffffffff,%rbx
cmp    $0x1,%rbx
ja     11b0 <main+0x90>
mov    %r15,%rsp
xor    %eax,%eax
lea    -0x28(%rbp),%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"\0A%d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i64
store i32 0, i32* %1
br label %6
6: ; preds = %8, %0
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
br label %8
8: ; preds = %6
%9 = load i32, i32* %2
%10 = icmp sle i32 %9, 0
br i1 %10, label %6, label %11
11: ; preds = %8
%12 = load i32, i32* %2
%13 = zext i32 %12 to i64
%14 = call i8* @llvm.stacksave()
store i8* %14, i8** %4
%15 = alloca i32, i64 %13
store i64 %13, i64* %5
store i32 0, i32* %3
br label %16
16: ; preds = %25, %11
%17 = load i32, i32* %3
%18 = load i32, i32* %2
%19 = icmp slt i32 %17, %18
br i1 %19, label %20, label %28
20: ; preds = %16
%21 = load i32, i32* %3
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds i32, i32* %15, i64 %22
%24 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %23)
br label %25
25: ; preds = %20
%26 = load i32, i32* %3
%27 = add nsw i32 %26, 1
store i32 %27, i32* %3
br label %16
28: ; preds = %16
%29 = load i32, i32* %2
%30 = sub nsw i32 %29, 1
store i32 %30, i32* %3
br label %31
31: ; preds = %40, %28
%32 = load i32, i32* %3
%33 = icmp sge i32 %32, 0
br i1 %33, label %34, label %43
34: ; preds = %31
%35 = load i32, i32* %3
%36 = sext i32 %35 to i64
%37 = getelementptr inbounds i32, i32* %15, i64 %36
%38 = load i32, i32* %37
%39 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %38)
br label %40
40: ; preds = %34
%41 = load i32, i32* %3
%42 = add nsw i32 %41, -1
store i32 %42, i32* %3
br label %31
43: ; preds = %31
store i32 0, i32* %1
%44 = load i8*, i8** %4
%45 = load i32, i32* %1
ret i32 %45
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"\0A%d\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
br label %3
3: ; preds = %3, %0
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = icmp slt i32 %5, 1
br i1 %6, label %3, label %7
7: ; preds = %3
%8 = zext i32 %5 to i64
%9 = call i8* @llvm.stacksave()
%10 = alloca i32, i64 %8
%11 = load i32, i32* %1
%12 = icmp sgt i32 %11, 0
br i1 %12, label %17, label %33
13: ; preds = %17
%14 = icmp sgt i32 %22, 0
br i1 %14, label %15, label %33
15: ; preds = %13
%16 = zext i32 %22 to i64
br label %25
17: ; preds = %7, %17
%18 = phi i64 [ %21, %17 ], [ 0, %7 ]
%19 = getelementptr inbounds i32, i32* %10, i64 %18
%20 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %19)
%21 = add nuw nsw i64 %18, 1
%22 = load i32, i32* %1
%23 = sext i32 %22 to i64
%24 = icmp slt i64 %21, %23
br i1 %24, label %17, label %13
25: ; preds = %15, %25
%26 = phi i64 [ %16, %15 ], [ %27, %25 ]
%27 = add nsw i64 %26, -1
%28 = and i64 %27, 4294967295
%29 = getelementptr inbounds i32, i32* %10, i64 %28
%30 = load i32, i32* %29
%31 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %30)
%32 = icmp ugt i64 %26, 1
br i1 %32, label %25, label %33
33: ; preds = %25, %7, %13
ret i32 0
}