#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 *, int *);
int search(int *, int /*<<< orphan*/, int);
int main() {
  int size = 0, i = 0;
  scanf("%d", &size);
  int A[size];
  for (i = 0; i < size; i++)
    scanf("%d", &A[i]);
  int temp = search(A, 0, size - 1);
  if (temp != -1)
    printf("%d\n", temp);
  else
    printf("NO SUCH j POSSIBLE\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xeac(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
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,-0x30(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x20(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11c0 <main+0x90>
mov    -0x30(%rbp),%rsi
movslq -0xc(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe53(%rip),%rdi
call   1050 <scanf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    118b <main+0x5b>
mov    -0x30(%rbp),%rdi
mov    -0x8(%rbp),%edx
sub    $0x1,%edx
xor    %esi,%esi
call   1040 <search@plt>
mov    %eax,-0x24(%rbp)
cmpl   $0xffffffff,-0x24(%rbp)
je     11f4 <main+0xc4>
mov    -0x24(%rbp),%esi
lea    0xe1b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1202 <main+0xd2>
lea    0xe0c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
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
movl   $0x0,-0x2c(%rbp)
lea    0xea4(%rip),%rdi
lea    -0x2c(%rbp),%rsi
call   1060 <scanf@plt>
mov    %rsp,%r12
mov    -0x2c(%rbp),%eax
mov    %rsp,%r14
lea    0xf(,%rax,4),%rax
and    $0xfffffffffffffff0,%rax
sub    %rax,%r14
mov    %r14,%rsp
mov    -0x2c(%rbp),%edx
test   %edx,%edx
jle    11bc <main+0x7c>
xor    %r13d,%r13d
lea    0xe6f(%rip),%r15
mov    %r14,%rbx
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
mov    %r15,%rdi
mov    %rbx,%rsi
call   1060 <scanf@plt>
add    $0x1,%r13
movslq -0x2c(%rbp),%rdx
add    $0x4,%rbx
cmp    %rdx,%r13
jl     11a0 <main+0x60>
add    $0xffffffff,%edx
mov    %r14,%rdi
xor    %esi,%esi
call   1050 <search@plt>
cmp    $0xffffffff,%eax
je     11e0 <main+0xa0>
lea    0xe2e(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
jmp    11ec <main+0xac>
lea    0xe20(%rip),%rdi
call   1030 <puts@plt>
mov    %r12,%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"
@.str.2 = [20 x i8] c"NO SUCH j POSSIBLE\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i64
%6 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%8 = load i32, i32* %2
%9 = zext i32 %8 to i64
%10 = call i8* @llvm.stacksave()
store i8* %10, i8** %4
%11 = alloca i32, i64 %9
store i64 %9, i64* %5
store i32 0, i32* %3
br label %12
12: ; preds = %21, %0
%13 = load i32, i32* %3
%14 = load i32, i32* %2
%15 = icmp slt i32 %13, %14
br i1 %15, label %16, label %24
16: ; preds = %12
%17 = load i32, i32* %3
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds i32, i32* %11, i64 %18
%20 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %19)
br label %21
21: ; preds = %16
%22 = load i32, i32* %3
%23 = add nsw i32 %22, 1
store i32 %23, i32* %3
br label %12
24: ; preds = %12
%25 = load i32, i32* %2
%26 = sub nsw i32 %25, 1
%27 = call i32 @search(i32* %11, i32 0, i32 %26)
store i32 %27, i32* %6
%28 = load i32, i32* %6
%29 = icmp ne i32 %28, -1
br i1 %29, label %30, label %33
30: ; preds = %24
%31 = load i32, i32* %6
%32 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %31)
br label %35
33: ; preds = %24
%34 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
br label %35
35: ; preds = %33, %30
store i32 0, i32* %1
%36 = load i8*, i8** %4
%37 = load i32, i32* %1
ret i32 %37
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d\0A\00"
@str = [19 x i8] c"NO SUCH j POSSIBLE\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%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 %10, label %18
10: ; preds = %0, %10
%11 = phi i64 [ %14, %10 ], [ 0, %0 ]
%12 = getelementptr inbounds i32, i32* %7, i64 %11
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %12)
%14 = add nuw nsw i64 %11, 1
%15 = load i32, i32* %1
%16 = sext i32 %15 to i64
%17 = icmp slt i64 %14, %16
br i1 %17, label %10, label %18
18: ; preds = %10, %0
%19 = phi i32 [ %8, %0 ], [ %15, %10 ]
%20 = add nsw i32 %19, -1
%21 = call i32 @search(i32* %7, i32 0, i32 %20)
%22 = icmp eq i32 %21, -1
br i1 %22, label %25, label %23
23: ; preds = %18
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %21)
br label %27
25: ; preds = %18
%26 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
br label %27
27: ; preds = %25, %23
ret i32 0
}