#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 */
scalar_t__ malloc(int);
int /*<<< orphan*/ printf(char *, int);
int /*<<< orphan*/ scanf(char *, int *, ...);
int main() {
  int n, v;
  int *arr;
  scanf("%d %d", &v, &n);
  arr = (int *)malloc(n * sizeof(int));
  for (int i = 0; i < n; i++) {
    scanf("%d", &arr[i]);
    if (arr[i] == v) {
      printf("%d", i);
      break;
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
lea    -0xc(%rbp),%rsi
lea    -0x8(%rbp),%rdx
mov    $0x0,%al
call   1050 <scanf@plt>
movslq -0x8(%rbp),%rax
shl    $0x2,%rax
mov    %eax,%edi
call   1040 <malloc@plt>
mov    %rax,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11d3 <main+0xa3>
mov    -0x18(%rbp),%rsi
movslq -0x1c(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe72(%rip),%rdi
mov    $0x0,%al
call   1050 <scanf@plt>
mov    -0x18(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,4),%eax
cmp    -0xc(%rbp),%eax
jne    11c0 <main+0x90>
mov    -0x1c(%rbp),%esi
lea    0xe4d(%rip),%rdi
call   1030 <printf@plt>
jmp    11d3 <main+0xa3>
jmp    11c5 <main+0x95>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    116f <main+0x3f>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xec1(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
xor    %eax,%eax
call   1050 <scanf@plt>
mov    (%rsp),%edi
shl    $0x2,%edi
call   1040 <malloc@plt>
cmpl   $0x0,(%rsp)
jle    11a9 <main+0x79>
mov    %rax,%r14
lea    0xe9a(%rip),%r15
xor    %r12d,%r12d
xor    %ebx,%ebx
xchg   %ax,%ax
lea    (%r14,%r12,1),%rsi
mov    %r15,%rdi
xor    %eax,%eax
call   1050 <scanf@plt>
mov    (%r14,%rbx,4),%eax
cmp    0x4(%rsp),%eax
je     119b <main+0x6b>
add    $0x1,%rbx
movslq (%rsp),%rax
add    $0x4,%r12
cmp    %rax,%rbx
jl     1170 <main+0x40>
jmp    11a9 <main+0x79>
lea    0xe61(%rip),%rdi
mov    %ebx,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

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

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