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


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0xc(%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,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11a2 <main+0x82>
mov    -0x28(%rbp),%rsi
movslq -0x8(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe71(%rip),%rdi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    116d <main+0x4d>
mov    -0xc(%rbp),%eax
mov    %eax,-0x8(%rbp)
mov    -0x28(%rbp),%rcx
mov    -0x8(%rbp),%eax
cmp    (%rcx),%eax
jl     11e1 <main+0xc1>
mov    -0x28(%rbp),%rax
mov    -0x8(%rbp),%ecx
sub    $0x1,%ecx
movslq %ecx,%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe35(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x8(%rbp)
jmp    11a8 <main+0x88>
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    0xecb(%rip),%rdi
lea    -0x2c(%rbp),%rsi
call   1040 <scanf@plt>
mov    %rsp,%r15
mov    -0x2c(%rbp),%eax
mov    %rsp,%r12
lea    0xf(,%rax,4),%rax
and    $0xfffffffffffffff0,%rax
sub    %rax,%r12
mov    %r12,%rsp
mov    -0x2c(%rbp),%eax
test   %eax,%eax
jle    1192 <main+0x72>
xor    %r13d,%r13d
lea    0xe96(%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     1170 <main+0x50>
cmp    (%r12),%eax
jl     11ba <main+0x9a>
movslq %eax,%rbx
add    $0x1,%rbx
lea    0xe63(%rip),%r14
mov    -0x8(%r12,%rbx,4),%esi
mov    %r14,%rdi
call   1030 <printf@plt>
movslq (%r12),%rax
add    $0xffffffffffffffff,%rbx
cmp    %rax,%rbx
jg     11a0 <main+0x80>
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"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i64
store i32 0, i32* %1
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %3)
%7 = load i32, i32* %3
%8 = zext i32 %7 to i64
%9 = call i8* @llvm.stacksave()
store i8* %9, i8** %4
%10 = alloca i32, i64 %8
store i64 %8, i64* %5
store i32 0, i32* %2
br label %11
11: ; preds = %20, %0
%12 = load i32, i32* %2
%13 = load i32, i32* %3
%14 = icmp slt i32 %12, %13
br i1 %14, label %15, label %23
15: ; preds = %11
%16 = load i32, i32* %2
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds i32, i32* %10, i64 %17
%19 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %18)
br label %20
20: ; preds = %15
%21 = load i32, i32* %2
%22 = add nsw i32 %21, 1
store i32 %22, i32* %2
br label %11
23: ; preds = %11
%24 = load i32, i32* %3
store i32 %24, i32* %2
br label %25
25: ; preds = %37, %23
%26 = load i32, i32* %2
%27 = getelementptr inbounds i32, i32* %10, i64 0
%28 = load i32, i32* %27
%29 = icmp sge i32 %26, %28
br i1 %29, label %30, label %40
30: ; preds = %25
%31 = load i32, i32* %2
%32 = sub nsw i32 %31, 1
%33 = sext i32 %32 to i64
%34 = getelementptr inbounds i32, i32* %10, i64 %33
%35 = load i32, i32* %34
%36 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %35)
br label %37
37: ; preds = %30
%38 = load i32, i32* %2
%39 = add nsw i32 %38, -1
store i32 %39, i32* %2
br label %25
40: ; preds = %25
store i32 0, i32* %1
%41 = load i8*, i8** %4
%42 = load i32, i32* %1
ret i32 %42
}

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