#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, x, a = 0, i, t, ans;
  scanf("%d%d", &n, &x);
  for (i = 0; i < n; i++) {
    scanf("%d", &t);
    a += t;
  }
  if (a < 0)
    a = -a;
  ans = a / x;
  if (a % x != 0)
    ans++;
  printf("%d", ans);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x10(%rbp)
lea    0xec3(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
mov    $0x0,%al
call   1040 <scanf@plt>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1188 <main+0x68>
lea    0xe9c(%rip),%rdi
lea    -0x18(%rbp),%rsi
mov    $0x0,%al
call   1040 <scanf@plt>
mov    -0x18(%rbp),%eax
add    -0x10(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1153 <main+0x33>
cmpl   $0x0,-0x10(%rbp)
jge    119a <main+0x7a>
xor    %eax,%eax
sub    -0x10(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cltd
idivl  -0xc(%rbp)
mov    %eax,-0x1c(%rbp)
mov    -0x10(%rbp),%eax
cltd
idivl  -0xc(%rbp)
cmp    $0x0,%edx
je     11bd <main+0x9d>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
mov    -0x1c(%rbp),%esi
lea    0xe3b(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
sub    $0x18,%rsp
lea    0xecf(%rip),%rdi
xor    %ebp,%ebp
lea    0xc(%rsp),%rsi
lea    0x14(%rsp),%rdx
xor    %eax,%eax
call   1040 <scanf@plt>
cmpl   $0x0,0xc(%rsp)
jle    117a <main+0x5a>
lea    0xeb0(%rip),%r14
lea    0x10(%rsp),%r15
xor    %ebx,%ebx
xor    %ebp,%ebp
nopl   0x0(%rax,%rax,1)
mov    %r14,%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1040 <scanf@plt>
add    0x10(%rsp),%ebp
add    $0x1,%ebx
cmp    0xc(%rsp),%ebx
jl     1160 <main+0x40>
mov    %ebp,%eax
neg    %eax
cmovs  %ebp,%eax
cltd
idivl  0x14(%rsp)
cmp    $0x1,%edx
sbb    $0xffffffff,%eax
lea    0xe6f(%rip),%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [5 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
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %4
%8 = call i32 (i8*, i32*, ...) @scanf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32* %2, i32* %3)
store i32 0, i32* %5
br label %9
9: ; preds = %18, %0
%10 = load i32, i32* %5
%11 = load i32, i32* %2
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %21
13: ; preds = %9
%14 = call i32 (i8*, i32*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %6)
%15 = load i32, i32* %6
%16 = load i32, i32* %4
%17 = add nsw i32 %16, %15
store i32 %17, i32* %4
br label %18
18: ; preds = %13
%19 = load i32, i32* %5
%20 = add nsw i32 %19, 1
store i32 %20, i32* %5
br label %9
21: ; preds = %9
%22 = load i32, i32* %4
%23 = icmp slt i32 %22, 0
br i1 %23, label %24, label %27
24: ; preds = %21
%25 = load i32, i32* %4
%26 = sub nsw i32 0, %25
store i32 %26, i32* %4
br label %27
27: ; preds = %24, %21
%28 = load i32, i32* %4
%29 = load i32, i32* %3
%30 = sdiv i32 %28, %29
store i32 %30, i32* %7
%31 = load i32, i32* %4
%32 = load i32, i32* %3
%33 = srem i32 %31, %32
%34 = icmp ne i32 %33, 0
br i1 %34, label %35, label %38
35: ; preds = %27
%36 = load i32, i32* %7
%37 = add nsw i32 %36, 1
store i32 %37, i32* %7
br label %38
38: ; preds = %35, %27
%39 = load i32, i32* %7
%40 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %39)
ret i32 0
}

LLVM IR (-O2):
@.str = [5 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 = bitcast i32* %1 to i8*
%5 = bitcast i32* %2 to i8*
%6 = bitcast i32* %3 to i8*
%7 = call i32 (i8*, i32*, ...) @scanf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %2)
%8 = load i32, i32* %1
%9 = icmp sgt i32 %8, 0
br i1 %9, label %10, label %19
10: ; preds = %0, %10
%11 = phi i32 [ %16, %10 ], [ 0, %0 ]
%12 = phi i32 [ %15, %10 ], [ 0, %0 ]
%13 = call i32 (i8*, i32*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%14 = load i32, i32* %3
%15 = add nsw i32 %14, %12
%16 = add nuw nsw i32 %11, 1
%17 = load i32, i32* %1
%18 = icmp slt i32 %16, %17
br i1 %18, label %10, label %19
19: ; preds = %10, %0
%20 = phi i32 [ 0, %0 ], [ %15, %10 ]
%21 = call i32 @llvm.abs.i32(i32 %20, i1 true)
%22 = load i32, i32* %2
%23 = sdiv i32 %21, %22
%24 = srem i32 %21, %22
%25 = icmp ne i32 %24, 0
%26 = zext i1 %25 to i32
%27 = add nsw i32 %23, %26
%28 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %27)
ret i32 0
}