criyle/codenet-compile-errors huggingface dataset:
Language: C++

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
#define int long long
#define boost() ios_base :: sync_with_stdio(0); cin.tie(); cout.tie(); cout << fixed; cout << setprecision(15); srand(time(NULL))
#define all(x) x.begin(), x.end()
using namespace __gnu_pbds;
using namespace std;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;

int n, h[100010];

int sol (int idx, int jump) {
  if (idx + jump >= n) return INT_MAX;
  if (idx == n - 1) return 0;
  int &ret = dp[idx][jump];
  if (ret != -1) return ret;
  ret = INT_MAX;
  ret = min (ret, sol (idx + jump, 1) + abs (h[idx] - h[idx + jump]));
  ret = min (ret, sol (idx + jump, 2) + abs (h[idx] - h[idx + jump]));
  return ret;
}

signed main () {
  cin >> n;
  for (int i = 0; i < n; i++) cin >> h[i];
  cout << min (sol (0, 1), sol (0, 2)) << endl;
  return 0;
}


Compiler output:
a.cc: In function 'long long int sol(long long int, long long int)':
a.cc:17:14: error: 'dp' was not declared in this scope; did you mean 'dup'?
   17 |   int &ret = dp[idx][jump];
      |              ^~
      |              dup
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;

public class a {
	static class FastReader
    {
        BufferedReader br;
        StringTokenizer st;
 
        public FastReader()
        {
            br = new BufferedReader(new
                     InputStreamReader(System.in));
        }
 
        String next()
        {
            while (st == null || !st.hasMoreElements())
            {
                try
                {
                    st = new StringTokenizer(br.readLine());
                }
                catch (IOException  e)
                {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }
 
        int nextInt()
        {
            return Integer.parseInt(next());
        }
 
        long nextLong()
        {
            return Long.parseLong(next());
        }
 
        double nextDouble()
        {
            return Double.parseDouble(next());
        }
 
        String nextLine()
        {
            String str = "";
            try
            {
                str = br.readLine();
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
            return str;
        }
    }
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		FastReader sc = new FastReader();
		int N = sc.nextInt();
		int[] h = new int[N];
		for (int i=0; i<N; i++) {
			h[i] = sc.nextInt(); 
		}
		long[] dp = new long[N]; 
		Arrays.fill(dp, 1<<30);
		dp[0] = 0; 
		for (int i=1; i<N; i++) {
			dp[i] = Math.min(dp[i-1] + Math.abs(h[i]-h[i-1]), dp[i]); 
			if (i-2>=0) {
				dp[i] = Math.min(dp[i-2] + Math.abs(h[i]-h[i-2]), dp[i]); 
			}
		}
		System.out.println(dp[N-1]);
	}

}


Compiler output:
Main.java:7: error: class a is public, should be declared in a file named a.java
public class a {
       ^
1 error
Language: Java

import java.util.*;
import java.io.*;

public class frogDP {
	static BufferedReader br;
	static StringTokenizer tokenizer;

	public static void main(String[] args) throws Exception {
		br = new BufferedReader(new InputStreamReader(System.in));
		int n = nextInt();
		int[] arr = new int[n];
		int[] dp = new int[n];
		for(int i = 0; i < n; i++) {
			arr[i] = nextInt();
			dp[i] = Integer.MAX_VALUE;
		}
		dp[0] = 0;
		for(int i = 0; i < n - 2; i++) {
			dp[i + 1] = Math.min(dp[i + 1], Math.abs(arr[i] - arr[i + 1]) + dp[i]);
			dp[i + 2] = Math.min(dp[i + 2], Math.abs(arr[i] - arr[i + 2]) + dp[i]);
		}
		dp[n - 1] = Math.min(dp[n - 1], Math.abs(arr[n - 2] - arr[n - 1]) +dp[n - 2]);
		System.out.println(dp[n - 1]);
	}

	public static String next() throws IOException {
		while (tokenizer == null || !tokenizer.hasMoreTokens()) {
			String line = br.readLine();
			if (line == null)
				throw new IOException();
			tokenizer = new StringTokenizer(line);
		}
		return tokenizer.nextToken();
	}

	public static int nextInt() throws IOException {
		return Integer.parseInt(next());
	}
}


Compiler output:
Main.java:4: error: class frogDP is public, should be declared in a file named frogDP.java
public class frogDP {
       ^
1 error
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#define ll long long int

ll t[100001],ar[100001];

ll fun(ll l,ll r){
  if(l>=r) return 0;
  if(t[l]==-1){
   if(l+1<=r)
    ll a=fun(l+1,r)+abs(ar[l+1]-ar[l]);
   if(l+2<=r)
    ll b=fun(l+2,r)+abs(ar[l]-ar[l+2]);
   t[l]=a>=b?b:a;
  }
  return t[l];
}

  int main(){
    for(int i=0;i<100001;i++)
     t[i]=-1;
    ll n;
    scanf("%lld",&n);
    for(int i=0;i<n;i++)
      scanf("%lld",ar+i);
    printf("%lld\n",fun(0,n-1));
    return 0;
  }


Compiler output:
main.c: In function 'fun':
main.c:4:12: error: expected expression before 'long'
    4 | #define ll long long int
      |            ^~~~
main.c:12:5: note: in expansion of macro 'll'
   12 |     ll a=fun(l+1,r)+abs(ar[l+1]-ar[l]);
      |     ^~
main.c:4:12: error: expected expression before 'long'
    4 | #define ll long long int
      |            ^~~~
main.c:14:5: note: in expansion of macro 'll'
   14 |     ll b=fun(l+2,r)+abs(ar[l]-ar[l+2]);
      |     ^~
main.c:15:9: error: 'a' undeclared (first use in this function)
   15 |    t[l]=a>=b?b:a;
      |         ^
main.c:15:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:12: error: 'b' undeclared (first use in this function)
   15 |    t[l]=a>=b?b:a;
      |            ^
Language: C++

#include <stdio.h>
const int N=1e5+10;
int min(int a,int b){return a>b?b:a;}
int abs(int n){return n>0?n:=n;}
int a[N],ans[N];
int dp(int n){
if(n<=1)return 0;
  if(n==2)return abs(a[n]-a[n-1]);
if(ans[n]!=0)return ans[n];
return ans[n]=min(abs(a[n]-a[n-1])+dp(n-1),abs(a[n]-a[n-2])+dp(n-2));
}
int main(){
int n;
  scanf("%d",&n);
  for(int i=1;i<=n;i++)scanf("%d",&a[i]);
  printf("%d\n",dp(n));
}

Compiler output:
a.cc: In function 'int abs(int)':
a.cc:4:29: error: expected primary-expression before '=' token
    4 | int abs(int n){return n>0?n:=n;}
      |                             ^
Language: C++

//** aman**//
#include<bits/stdc++.h>
#define	MIN(a,b,c)	min(min(a,b),c)
#define	MAX(a,b,c)	max(max(a,b),c)
#define ll          long long
#define itr         vector<int>::iterator
#define pb          push_back
#define mp          make_pair
#define pii         pair<int,int>
#define vi          vector<int>
#define all(a)      (a).begin(),(a).end()
#define F           first
#define S           second
#define mem(a,b) memset(a,b,sizeof(a))
#define sz size()
#define hell        1000000007
#define endl        '\n'
#define rep(i,a,b) for(int i=a;i<b;i++)
#define repr(i,a,b) for(int i=a;i>=b;i--)
#define Vit std::vector<int>:: iterator
#define Sit std::set<int>:: iterator
#define Mit std::map<int,int>:: iterator
#define lbo lower_bound
#define ub upper_bound
#define bs          binary_search
#define N         100005
#define tr(container, it) for(typeof(container.begin()) it = container.begin(); it != container.end(); it++)
using namespace std;
vector<int> G[100005],v;
int in[N],vis[N],dp[N]={0};
int main()
{
	int n,m;cin>>n>>m;
	for(int i=0;i<m;i++)
	{
		int x,y;cin>>x>>y;
		G[x].pb(y);
		in[y]++;
	}
	queue<int, vector<int> > q;
	for(int i=1;i<=n;i++)
	{
		if(in[i]==0){
		q.push(i);
		dp[i]=0;
		}
	}
	while(!q.empty())
	{
		int p=q.front();
		q.pop();
		for(int i=0;i<G[p].size();i++)
		{
			in[G[p][i]]--;
			if(in[G[p][i]]==0){q.push(G[p][i]);}
            dp[G[p][i]]=max(dp[p]+1,dp[G[p][i]]);
		}
	}
	int ans=0;
	for(int i=1;i<=n;i++){
		ans=max(ans,dp[i]);
	}
	cout<<ans<<endl;
}

Compiler output:
In file included from /usr/include/c++/14/queue:66,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:157,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_queue.h: In instantiation of 'void std::queue<_Tp, _Sequence>::pop() [with _Tp = int; _Sequence = std::vector<int>]':
a.cc:51:8:   required from here
   51 |                 q.pop();
      |                 ~~~~~^~
/usr/include/c++/14/bits/stl_queue.h:319:11: error: 'class std::vector<int>' has no member named 'pop_front'
  319 |         c.pop_front();
      |         ~~^~~~~~~~~
Language: C++

# -*- coding: utf-8 -*-
from sys import stdin
import numpy as np

s_in = lambda: stdin.readline()[:-1]  # s = s_in()
d_in = lambda: int(stdin.readline())  # N = d_in()
ds_in = lambda: list(map(int, stdin.readline().split()))  # List = ds_in()


def frog(num, stride, heights):
    """
    Prameters
    ---------
    num : int
        足場の数

    stride : int
        ジャンプステップ

    heights : list
        足場の高さ

    Return
    ------
    min_cost : int
        最小コスト
    """
    dp = np.zeros(num, dtype=int)
    heights = np.array(heights)
    for i in range(1, num):
        start = max(0, i - stride)
        dp[i] = min(dp[start: i] + np.abs(heights[i] - heights[start: i]))
    return dp[-1]


N = d_in()
h_list = ds_in()

print(frog(N, 2, h_list))


Compiler output:
a.cc:1:3: error: invalid preprocessing directive #-
    1 | # -*- coding: utf-8 -*-
      |   ^
a.cc:5:39: error: stray '#' in program
    5 | s_in = lambda: stdin.readline()[:-1]  # s = s_in()
      |                                       ^
a.cc:6:39: error: stray '#' in program
    6 | d_in = lambda: int(stdin.readline())  # N = d_in()
      |                                       ^
a.cc:7:59: error: stray '#' in program
    7 | ds_in = lambda: list(map(int, stdin.readline().split()))  # List = ds_in()
      |                                                           ^
a.cc:11:7: warning: missing terminating " character
   11 |     """
      |       ^
a.cc:11:7: error: missing terminating " character
a.cc:27:7: warning: missing terminating " character
   27 |     """
      |       ^
a.cc:27:7: error: missing terminating " character
a.cc:2:1: error: 'from' does not name a type
    2 | from sys import stdin
      | ^~~~
Language: C++

#include <iostream>

using namespace std;

typedef long long LL;

const LL MAX = 100005;

LL n, DP[MAX] = {}, stone[MAX] = {};

int main(void)
{
  cin >> n;
  for(LL i0 = 0; i0 < n; i0++;) cin >> stone[i0];
  DP[n-1] = 0;
  DP[n-2] = abs(stone[n-1] - stone[n-2]);
  
  for(LL i0 = n-3; i0 >= 0; i0--)
  {
    DP[i0] = min(DP[i0+1] + abs(stone[i0+1] - stone[i0]), DP[i0+2] + abs(stone[i0+2] - stone[i0]));
  }
  
  cout << DP[0] << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:30: error: expected ')' before ';' token
   14 |   for(LL i0 = 0; i0 < n; i0++;) cin >> stone[i0];
      |      ~                       ^
      |                              )
a.cc:14:31: error: expected primary-expression before ')' token
   14 |   for(LL i0 = 0; i0 < n; i0++;) cin >> stone[i0];
      |                               ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main() {
  
  long long a1;
  cin >> a1;
  
  long long p1 = 0, h1 = a1;
  long long p2 = 0, h2 = a1;
  for (int i = 2; i <= n; ++i) {
    long long a;
    cin >> a;
    
    long long p = min(p1 + abs(h1 - a), p2 + abs(h2 - a));
    
    p1 = p2;
    h1 = h2;
    p2 = p;
    h2 = a;
  }
  
  cout << p2 << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:24: error: 'n' was not declared in this scope
   12 |   for (int i = 2; i <= n; ++i) {
      |                        ^
Language: C++

#include <bits/stdc++.h>
#define ll long long

using namespace std;

ll n;
ll h[100100];
ll Dp[100100];

int main()
{
  cin>>n;
  
  for(ll i=0;i<n;i++)	scanf("%I64d",h+i);
    
  Dp[n-1] = 0;
  Dp[n-2] = abs(h[n-2]-h[n-1]);
  
  for(ll i=n-3;i>=0;i--)	Dp[i] = min( abs(h[i]-h[i+1]) + Dp[i+1] , abs(h[i]-h[i+2]) + Dp[i+2] )
  
  cout<<Dp[0];
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:103: error: expected ';' before 'cout'
   19 |   for(ll i=n-3;i>=0;i--)        Dp[i] = min( abs(h[i]-h[i+1]) + Dp[i+1] , abs(h[i]-h[i+2]) + Dp[i+2] )
      |                                                                                                       ^
      |                                                                                                       ;
   20 | 
   21 |   cout<<Dp[0];
      |   ~~~~
Language: C++

#include<queue>
#include<vector>
#include<algorithm>
#include<iostream>
#include<utility>
#include <cmath>
#include <math.h> 


#define For(i,begin,end) for(int i=(begin);i<(end);i++)
#define FORD(i,begin,end) for(int i=(begin);i>(end);i--)
#define FOR(l) for(auto p = l.begin(); p != l.end(); p++)
#define ALL(k) (k).begin(),(k).end()
#define e1 first
#define e2 second
#define mp make_pair
#define pb push_back
#define eb emplace_back

using namespace std;
typedef long long ll;
typedef unsigned long long LLU;
typedef long double LD;
typedef pair<int,int> PII;
typedef pair<ll,ll> PLL;
typedef vector<int> VI;
typedef vector<ll> Vl;


ll dp[1000];
ll arr[1000];

ll fun(ll i,ll n)
{
	if(dp[i] != -1)
		return dp[i];

	if(i == n - 1)
		return dp[i] = 0;

	if(i == n - 2)
		return dp[i] = abs(arr[i] - arr[i + 1]);

	return dp[i] = min(abs(arr[i] - arr[i + 1]) + fun(i + 1 , n), abs(arr[i] - arr[i + 2]) + fun(i + 2 , n));
}
int main()
{	
	memset(dp, -1, sizeof dp);
	ll n;
	cin>>n;

	For(i,0,n)
		cin>>arr[i];

	cout<<fun(0,n)<<endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:48:9: error: 'memset' was not declared in this scope
   48 |         memset(dp, -1, sizeof dp);
      |         ^~~~~~
a.cc:8:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    7 | #include <math.h>
  +++ |+#include <cstring>
    8 |
Language: Java

import java.util.Scanner;
public class solve {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int a[] = new int[n];
		for (int i = 0; i < n; i++) a[i] = sc.nextInt();
		int DP[] = new int[n];
		DP[0] = 0;
		DP[1] = Math.abs(a[0] - a[1]);
		for (int i = 2; i < n; i++) {
			DP[i] = Math.min(DP[i - 1] + Math.abs(a[i] - a[i - 1]), DP[i - 2] + Math.abs(a[i] - a[i - 2]));
		}
		System.out.print(DP[n - 1]);
	}

}


Compiler output:
Main.java:2: error: class solve is public, should be declared in a file named solve.java
public class solve {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  int h[n];
  int cost[n] = {};
  for(int i=0;i<n;i++){
    cin >> h[i];
  }
  for(int i=0;i<n;i++){
    if(i == 0) continue;
    if(i == 1) {
      cost[i] = abs(cost[i-1]-cost[i]);
      continue;
    }
    cost[i] = min(abs(cost[i-1]-cost[i])+cost[i-1], abs(cost[i-2]-cost[i])+cost[i-2])
  }
  cout << cost[n-1] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:86: error: expected ';' before '}' token
   17 |     cost[i] = min(abs(cost[i-1]-cost[i])+cost[i-1], abs(cost[i-2]-cost[i])+cost[i-2])
      |                                                                                      ^
      |                                                                                      ;
   18 |   }
      |   ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define MM 1000000000;
#define INF (ll)1e18
#define pi acos(-1.0)
#define MAX 1000000005
#define NIL -1
ll mod = 1e9+7;
int dx[] = {0, 1, 0, -1};
int dy[] = {1, 0, -1, 0};
int dp[101010];
int main(){
    ll n; cin >> n;
    ll h[n];

    ll dp[0] = 0;
    for(ll i = 0; i < n; i++){
        cin >> h[i];
    }
    dp[1] = dp[0] + abs(h[0] - h[1]);
    for(ll i = 2; i < n; i++){
        dp[i] = min(dp[i-1]+abs(h[i]-h[i-1]), dp[i-2]+abs(h[i]-h[i-2]));
    }
    cout << dp[n-1] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:16: error: array must be initialized with a brace-enclosed initializer
   17 |     ll dp[0] = 0;
      |                ^
Language: C++

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <cmath>
#include <iostream>
#include <sstream>
#include <iomanip>
#include <string>
#include <algorithm>
#include <complex>
#include <map>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <list>
#include <unordered_map>

#include "MyFunc.h"

using namespace std;

int main() {
	int n;
	cin >> n;

	vector<int> h((int)n);
	for (int i = 0; i < n; ++i) {
		cin >> h[i];
	}

	reverse(h.begin(), h.end());

	int cost = 0;
	for (int i = 0; i < n - 1;)
	{
		if (i <= n - 2)
		{
			int a = abs(h[i] - h[i + 1]);
			int b = abs(h[i] - h[i + 2]);

			if (a >= b)
			{
				cost += b;
				i += 2;
			}
			else
			{
				cost += a;
				++i;
			}
		}
		else
		{
			cost += abs(h[i] - h[i + 1]);
			break;
		}
	}

	std::cout << cost << endl;

	return 0;
}

Compiler output:
a.cc:19:10: fatal error: MyFunc.h: No such file or directory
   19 | #include "MyFunc.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <cmath>
#include <iostream>
#include <sstream>
#include <iomanip>
#include <string>
#include <algorithm>
#include <complex>
#include <map>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <list>
#include <unordered_map>

#include "MyFunc.h"

using namespace std;

int main() {
	int n;
	cin >> n;

	vector<int> h((int)n);
	for (int i = 0; i < n; ++i) {
		cin >> h[i];
	}

	reverse(h.begin(), h.end());

	int cost = 0;
	for (int i = 0; i < n-1;)
	{
		if (i <= n - 2)
		{
			int a = abs(h[i] - h[i + 1]);
			int b = abs(h[i] - h[i + 2]);

			if (a >= b)
			{
				cost += b;
				i += 2;
			}
			else
			{
				cost += a;
				++i;
			}
		}
		else
		{
			cost += abs(h[i] - h[i + 1]);
			break;
		}
	}

	cout << cost << endl;

	return 0;
}

Compiler output:
a.cc:19:10: fatal error: MyFunc.h: No such file or directory
   19 | #include "MyFunc.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
  int n,i;
  scanf("%d",&n);
  vector<int>a(n);
  vector<int>dp(n);
  for(i=0;i<n;i++){
    scanf("%d",&a[i]);
  }
  auto isValid = [](int i){
    if(i<n)
      return true;
    return false;
  };
  dp[n-1] = 0;
  for(i=n-2;i>=0;i--){
    dp[i] = dp[i+1] + abs(a[i+1] - a[i]);
    if(isValid(i+1)){
      dp[i] = min(dp[i],dp[i+2] + abs(a[i+2] - a[i]));
    }
  }
  printf("%d\n",dp[0]);
}

Compiler output:
a.cc: In lambda function:
a.cc:14:10: error: 'n' is not captured
   14 |     if(i<n)
      |          ^
a.cc:13:19: note: the lambda has no capture-default
   13 |   auto isValid = [](int i){
      |                   ^
a.cc:6:7: note: 'int n' declared here
    6 |   int n,i;
      |       ^
Language: C++

#include<algorithm>
#include<limits.h>
using namespace std;
 
 
 
 
long long int getMin(long long int a, long long int b){
    if(a<b)
        return a;
    return b;
}
 
int main(){
    int n;
    int k;
    cin>>n;
    cin>>k;
    int h[n];
    for(int i=0;i<n;i++){
        cin>>h[i];
    }
    long long int ans[n+1];
    ans[1]=0;
    ans[2]=abs(h[0]-h[1]);
    for(int i=3;i<=n;i++){
        ans[i] = INT_MAX;
        for(int j=1;j<=k;j++){
            if((i-j) >=1){
                ans[i] = getMin(ans[i],ans[i-j]+abs(h[i-j-1]-h[i-1]));
            }
            
        }
        // ans[i] = getMin(ans[i-1]+abs(h[i-2]-h[i-1]),ans[i-2]+abs(h[i-3]-h[i-1]));
    }
    // for(int i=1;i<=n;i++){
    //     cout<<ans[i]<<" ";
    // }
    cout<<ans[n];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: 'cin' was not declared in this scope
   17 |     cin>>n;
      |     ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include<limits.h>
  +++ |+#include <iostream>
    3 | using namespace std;
a.cc:39:5: error: 'cout' was not declared in this scope
   39 |     cout<<ans[n];
      |     ^~~~
a.cc:39:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<algorithm>
#include<limits.h>
#include<string>
#include<math.h>
#include<map>
#include<deque>
#include<unordered_map>
using namespace std;
 
 
 
 
long long int getMin(long long int a, long long int b){
    if(a<b)
        return a;
    return b;
}
 
int main(){
    int n;
    int k;
    cin>>n;
    cin>>k;
    int h[n];
    for(int i=0;i<n;i++){
        cin>>h[i];
    }
    long long int ans[n+1];
    ans[1]=0;
    ans[2]=abs(h[0]-h[1]);
    for(int i=3;i<=n;i++){
        ans[i] = INT_MAX;
        for(int j=1;j<=k;j++){
            if(i-j>=1){
                ans[i] = getMin(ans[i],ans[i-j]+abs(h[i-j-1]-h[i-1]));
            }
            
        }
    }
 
    cout<<ans[n];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:5: error: 'cin' was not declared in this scope
   22 |     cin>>n;
      |     ^~~
a.cc:8:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    7 | #include<unordered_map>
  +++ |+#include <iostream>
    8 | using namespace std;
a.cc:41:5: error: 'cout' was not declared in this scope
   41 |     cout<<ans[n];
      |     ^~~~
a.cc:41:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin>>n;
  int cost[n], height[n];
    for(int i=0;i<n;i++)
      cin>>height[i];
   if(n>1)
     cost[0]=0;
   if(n>2)
     cost[1]=abs(height[0]-height[1]);
  for(int i=2;i<n;i++)
    cost[i]=min(cost[i-1]+abs(height[i-1]-height[i],cost[i-2]+abs(height[i-2]-height[i]);
  return cost[n-1];
      
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:89: error: expected ')' before ';' token
   14 |     cost[i]=min(cost[i-1]+abs(height[i-1]-height[i],cost[i-2]+abs(height[i-2]-height[i]);
      |                              ~                                                          ^
      |                                                                                         )
Language: C++

#include "stdc++.h"
using namespace std;

int main() {
	int n; cin >> n;
	vector<int>height(n);
	for (int i = 0; i < n; i++) {
		cin >> height[i];
	}
	int tmp = 0;
	int cost = 0;
	int cost1 = 0;
	tmp = height[0];
	int i = 0;
	int tmp1=0;
	while (i < n - 4) {
		int a = abs(height[i + 1]-tmp);
		int b = abs(height[i + 2]-tmp);

		int c = abs(height[i + 2] - height[i + 1]);
		int d = abs(height[i + 3] - height[i + 1]);

		int e = abs(height[i + 3] - height[i + 2]);
		int f = abs(height[i + 4] - height[i + 2]);

		int s1 = a + c;
		int s2 = a + d;
		int s3 = b + e;
		int s4 = b + f;
		int amp = min(s1, s2);
		amp = min(amp, s3);
		amp = min(amp, s4);
		if (amp == s1) {
			cost += amp;
			tmp = height[i + 2];
			i += 2;
		}
		else if (amp == s2 || amp == s3) {
			cost += amp;
			tmp = height[i + 3];
			i += 3;
		}
		else {
			cost += amp;
			tmp = height[i + 4];
			i += 4;
		}
		//cout << cost << endl;
	}
	if (i == n - 2) {
		int a = abs(tmp - height[i + 1]);
		cost += a;
	}else if (i == n - 3) {
		int a = abs(height[i + 1] - tmp);
		int b = abs(height[i + 2] - tmp);
		int c = abs(height[i + 2] - height[i + 1]);
		if (a + c < b) {
			cost += a + c;
		}
		else {
			cost += b;
		}
	}if (i == n - 4) {
		int a = abs(height[i + 1] - tmp);
		int b = abs(height[i + 2] - tmp);

		int c = abs(height[i + 2] - height[i + 1]);
		int d = abs(height[i + 3] - height[i + 1]);

		int e = abs(height[i + 3] - height[i + 2]);
		int s1 = a + c;
		int s2 = a + d;
		int s3 = b + e;
		s1 = min(s1, s2);
		s1 = min(s1, s3);
		cost += s1;
	}
	//cout << cost << endl;
	i = n-1;
	tmp = height[n - 1];
	while (i >3) {
		int a = abs(height[i - 1] - tmp);
		int b = abs(height[i - 2] - tmp);

		int c = abs(height[i - 2] - height[i - 1]);
		int d = abs(height[i - 3] - height[i - 1]);

		int e = abs(height[i - 3] - height[i - 2]);
		int f = abs(height[i - 4] - height[i - 2]);

		int s1 = a + c;
		int s2 = a + d;
		int s3 = b + e;
		int s4 = b + f;
		int amp = min(s1, s2);
		amp = min(amp, s3);
		amp = min(amp, s4);
		if (amp == s1) {
			cost1 += amp;
			tmp = height[i - 2];
			i -= 2;
		}
		else if (amp == s2 || amp == s3) {
			cost1 += amp;
			tmp = height[i - 3];
			i -= 3;
		}
		else {
			cost1 += amp;
			tmp = height[i- 4];
			i += 4;
		}
		//cout << cost1 << endl;
	}
	if (i == 1) {
		int a = abs(tmp - height[i - 1]);
		cost1 += a;
	}
	else if (i == 2) {
		int a = abs(height[i - 1] - tmp);
		int b = abs(height[i - 2] - tmp);
		int c = abs(height[i - 2] - height[i - 1]);
		if (a + c < b) {
			cost1 += a + c;
		}
		else {
			cost1 += b;
		}
	}if (i == 3) {
		int a = abs(height[i - 1] - tmp);
		int b = abs(height[i- 2] - tmp);

		int c = abs(height[i - 2] - height[i - 1]);
		int d = abs(height[i - 3] - height[i - 1]);

		int e = abs(height[i - 3] - height[i - 2]);
		int s1 = a + c;
		int s2 = a + d;
		int s3 = b + e;
		s1 = min(s1, s2);
		s1 = min(s1, s3);
		cost1 += s1;
	}
	cout << min(cost, cost1) << endl;
}

Compiler output:
a.cc:1:10: fatal error: stdc++.h: No such file or directory
    1 | #include "stdc++.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++>
#include <iostream>
#include <cstdlib>
using namespace std;
int main(){
cin>>n;
  int dp[n+1]=0;
  int a[n+1];
  int sum=0;
  for(int i=1;i<=n;i++){
    cin>>a[i];}
  if(n==1)
    cout<<a[n];
  else if(n==2)
    cout<<abs(a[1]-a[2]);
  else
  {
    int k;
    for(k=1;k<n-1){
      if(abs(a[k]-a[k+1])<abs(a[k+1]-a[k+2])){
        sum+=abs(a[k]-a[k+1]);
        k=k+1;
      }
      else{
          sum+=abs(a[k]-a[k+2]);
        k=k+2;}
    }
    if(k==n-1)
      sum+=abs(a[n-1]-a[n-2]);
    cout<<sum;
  }
  return 0;
}
        

Compiler output:
a.cc:1:9: fatal error: bits/stdc++: No such file or directory
    1 | #include<bits/stdc++>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<cstdlib>
#include<algorithm>
using namespace std;

int main(){
  int N;
  cin >> N;
  int h[N+1];
  for(int i = 1; i <= N; i++) cin >> h[i];
  int c[N+1];
  c[1] = 0;
  c[2] = c[1] + abs(h[2] - h[1]);
  for(int i = 3; i <= N; i++)
    c[i] = min(c[i-1] + abs(h[i-1] - h[i]),c[i-2] + abs(h[i-2] - h[i]));

  cout << c[N] << endl;
  return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:18:12: error: expected '}' at end of input
   18 |   return 0;
      |            ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>

#define REP(i ,n) for(int i=0 ;i < n; i++)
#define REPB(i ,n) for(int i=n; i >= 0; i--)
#define FOR(i ,m ,n) for(int i=m; i < n; i++)
#define FORB(i, m, n) for(int i=m; i>= m; i--)
#define ll long long
#define pb push_back
#define popb pop_back
using namespace std;
const int MAX_H = 10000;
const int INF = 1000000;

int n;
long h[MAX_N + 2];
long dp[MAX_N + 2];

long dprec(int i){
  long res;
  if(dp[i] != -1){
      return dp[i];
      }
     if(i < 2){
        res = 0;
      }else{
        res = min(
        dprec(i - 1) + abs(h[i] - h[i - 1]),
        dprec(i - 2) + abs(h[i] - h[i - 2])
        );
        }
      return dp[i] = res;
  }
void solve(){
    memset(dp, -1, sizeof(dp));
    cout << dprec(n+1) << endl;
  }

int main(){
  cin >> n;
  REP(c, n){
      cin >> h[c + 2];
    }
    REP(p, 2) h[p] = h[2];
    solve();
//REP(a, (n+2)) cout << dp[a] << " ";
}


Compiler output:
a.cc:15:8: error: 'MAX_N' was not declared in this scope; did you mean 'MAX_H'?
   15 | long h[MAX_N + 2];
      |        ^~~~~
      |        MAX_H
a.cc:16:9: error: 'MAX_N' was not declared in this scope; did you mean 'MAX_H'?
   16 | long dp[MAX_N + 2];
      |         ^~~~~
      |         MAX_H
a.cc: In function 'long int dprec(int)':
a.cc:20:6: error: 'dp' was not declared in this scope; did you mean 'dup'?
   20 |   if(dp[i] != -1){
      |      ^~
      |      dup
a.cc:27:28: error: 'h' was not declared in this scope
   27 |         dprec(i - 1) + abs(h[i] - h[i - 1]),
      |                            ^
a.cc:31:14: error: 'dp' was not declared in this scope; did you mean 'dup'?
   31 |       return dp[i] = res;
      |              ^~
      |              dup
a.cc: In function 'void solve()':
a.cc:34:12: error: 'dp' was not declared in this scope; did you mean 'dup'?
   34 |     memset(dp, -1, sizeof(dp));
      |            ^~
      |            dup
a.cc: In function 'int main()':
a.cc:41:14: error: 'h' was not declared in this scope
   41 |       cin >> h[c + 2];
      |              ^
a.cc:43:15: error: 'h' was not declared in this scope
   43 |     REP(p, 2) h[p] = h[2];
      |               ^
Language: C++

#include<stdio.h>
#include<stdlib.h>
#include<math.h>

int main()
{
	int N;
	int h[100000];
	long flog[100000];

	scanf_s("%d", &N);


	for (int i = 0; i < N; i++) {
		scanf_s("%d", &h[i]);
	}

	flog[0] = 0;
	flog[1] = abs(h[0] - h[1]);
	int a, b;
	for (int i = 2; i < N; i++) {
		a = flog[i - 1] + abs(h[i - 1] - h[i]);
		b = flog[i - 2] + abs(h[i - 2] - h[i]);

		flog[i] = a < b ? a : b;
	}

	printf("%d", flog[N - 1]);

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   11 |         scanf_s("%d", &N);
      |         ^~~~~~~
      |         scanf
Language: Java

import java.util.Arrays;
import java.util.Scanner;

public class Frog1 {
	static final int INF = Integer.MAX_VALUE;
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		int[] arr = new int[n];
		
		for(int i = 0 ; i < n ; ++i) {
			arr[i] = scan.nextInt();
		}
		
		int[] dp = new int[n];
		Arrays.fill(dp, INF);
		dp[0] = 0;
		dp[1] = Math.abs(arr[1] - arr[0]);
		for(int i = 2 ; i < n ; ++i) {
			dp[i] = Math.min(Math.abs(arr[i] - arr[i-1]) + dp[i-1], Math.abs(arr[i] - arr[i-2]) + dp[i-2]);
		}
		System.out.println(dp[n-1]);
	}
}


Compiler output:
Main.java:4: error: class Frog1 is public, should be declared in a file named Frog1.java
public class Frog1 {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
#define 2000000000
using namespace std;

int arr[100005];

int solve(int n){
	dp[n] = 0; dp[n+1]
  	for(int i = (n-1); i>=1; --i){
    	dp[i] = min(dp[i+1]+(abs(arr[i]-arr[i+1])),dp[i+2]+(abs(arr[i]-arr[i+2])));
    }
  	return dp[1];
}

int main(){
	int n;
  	scanf("%d",&n);
  	for(int i = 1; i<=n; ++i){
    	scanf("%d",&arr[i]);
    }
    printf("%d\n",solve(n));
  	return 0;
}

Compiler output:
a.cc:2:9: error: macro names must be identifiers
    2 | #define 2000000000
      |         ^~~~~~~~~~
a.cc: In function 'int solve(int)':
a.cc:8:9: error: 'dp' was not declared in this scope; did you mean 'dup'?
    8 |         dp[n] = 0; dp[n+1]
      |         ^~
      |         dup
a.cc:9:28: error: 'i' was not declared in this scope
    9 |         for(int i = (n-1); i>=1; --i){
      |                            ^
Language: C++

#include "bits/stdc++.h"

using namespace std;

#define int long long int
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define se second
#define fi first

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vector<int>> matrix;

const int inf = 1e18;
const int mod = 1e9 + 7;

inline int add(int x, int y) { x += y; if (x >= mod) x -= mod; return x;}
inline int sub(int x, int y) { x -= y; if (x < 0) x += mod; return x;}
inline int mul(int x, int y) { return ((x % mod) * (y % mod)) % mod;}
inline int power(int a, int b) {
	int x = 1;
	while (b) {
		if (b & 1) x = mul(x, a);
		a = mul(a, a);
		b >>= 1;
	}
	return x;
}
inline int inv(int a) { return power(a, mod - 2);}

const int N = 1e5+5;
int dp[N],a[N];

#undef int
int main() {
#define int long long int
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	clock_t start = clock();
	
	int n; cin>>n;
	for(int i=1;i<=n;i++) cin>>a[i];
	dp[1]=0;
	for(int i=2;i<=n;i++) {
		if(i==2) dp[i] = dp[i-1]+abs(a[i]-a[i-1]);
		else {
			dp[i] = dp[i-1]+abs(a[i]-a[i-1]);
			dp[i] = min(dp[i],dp[i-2]+abs(a[i]-a[i-2]));
		 }
	}
	cout<<dp[n]<<endl;
	
	clock_t end = clock();
	cerr << "Time: " << (double)(end - start) / CLOCKS_PER_SEC << " seconds" << end
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:88: error: expected ';' before 'return'
   55 |         cerr << "Time: " << (double)(end - start) / CLOCKS_PER_SEC << " seconds" << end
      |                                                                                        ^
      |                                                                                        ;
   56 |         return 0;
      |         ~~~~~~
Language: C++

import java.io.*;
import java.util.*;

public class Main{

    public static void main(String[] args){
		new Main().run();
    }

    void run(){
      Scanner sc=new Scanner(System.in);
      int N=sc.nextInt();
      long[] H=new long[N];
      for(int i=0;i<N;++i){
          H[i]=sc.nextLong();
      }
      long[] cost=new long[N];
      Arrays.fill(cost,1L<<60);
      cost[0]=0;
      for(int i=0;i<N;++i){
          for(int j=1;j<=2&&i+j<N;++j){
	          cost[i+j]=Math.min(cost[i+j],cost[i]+Math.abs(H[i]-H[i+j]));
          }
      }
      System.out.println(cost[N-1]);
    }
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.io.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: expected unqualified-id before 'public'
    4 | public class Main{
      | ^~~~~~
Language: C++

#include <stdio.h>

int main(void) {
    int days, i,temp, sum;
    int a[100005], b[100005], c[100005];

    scanf("%d", &days);
    for(i=0; i<days; i++){
        scanf("%d %d %d", &a[i], &b[i], &c[i]);
    }

    sum = 0;
    for(i=0; i<days; i++){
        temp = a[i];
        if (b[i] > a[i]){
            if(c[i] > b[i]){
                temp = c[i];
            }
            else {
                temp = b[i];
            }
        }
        else if(c[i] > a[i]) {
            temp = c[i];
        }
        else {
            temp = a[i];
        }
        sum += temp;
    }

    print(sum);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:5: error: 'print' was not declared in this scope; did you mean 'printf'?
   32 |     print(sum);
      |     ^~~~~
      |     printf
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long

const ll INF = 1000000000000;
ll n;
ll dp[100004], d[100004];

ll rek(ll pos, ll val){
   if(pos==n) return val;
   
   if(dp[pos] != INF)
     return dp[pos];
  ll a, b;
  a = b = INF;
  if(pos+2 < n)
    a = rek(pos+2, abs(d[pos]-d[pos+2]));
  if(pos+1 < n)
    b = rek(pos+1, abs(d[pos]-d[pos+1]));
   dp[pos] = min(a, b);
     return dp[pos];
  }

int main(){
   cin >> n;
   for(int i = 0: i<n: i++) dp[i] = INF;
   for(int i = 0; i<n; i++) cin >> d[i];
   cout << rek(0,0) << endl;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:26:14: error: initializer in range-based 'for' loop
   26 |    for(int i = 0: i<n: i++) dp[i] = INF;
      |              ^
a.cc:26:22: error: found ':' in nested-name-specifier, expected '::'
   26 |    for(int i = 0: i<n: i++) dp[i] = INF;
      |                      ^
      |                      ::
a.cc:26:21: error: 'n' is not a class, namespace, or enumeration
   26 |    for(int i = 0: i<n: i++) dp[i] = INF;
      |                     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long

const ll INF = 1000000000000;
ll n;
ll dp[100004], d[100004];

ll rek(ll pos, ll val){
   if(pos==n) return val;
   
   if(dp[pos] != -1)
     return dp[pos];
  ll a, b;
  a = b = INF;
  if(pos+2 < n)
    a = rek(pos+2, abs(d[pos]-d[pos+2]));
  if(pos+1 < n)
    b = rek(pos+1, abs(d[pos]-d[pos+1]));
   dp[pos] = min(a, b)
     return dp[pos];
  }

int main(){
   cin >> n;
   for(int i = 0; i<n; i++) cin >> d[i];
   cout << rek(0,0) << endl;
  }

Compiler output:
a.cc: In function 'long long int rek(long long int, long long int)':
a.cc:20:23: error: expected ';' before 'return'
   20 |    dp[pos] = min(a, b)
      |                       ^
      |                       ;
   21 |      return dp[pos];
      |      ~~~~~~            
a.cc:20:12: warning: control reaches end of non-void function [-Wreturn-type]
   20 |    dp[pos] = min(a, b)
      |    ~~~~~~~~^~~~~~~~~~~
Language: C++

#include <bits/stcd++.h>
using namespace std;
#define ll long long

const ll INF = 1000000000000;
ll n;
ll dp[100004], d[100004];

ll rek(ll pos, ll val){
   if(pos==n) return val;
   
   if(dp[pos] != -1)
     return dp[pos];
  ll a, b;
  a = b = INF;
  if(pos+2 < n)
    a = rek(pos+2, abs(d[pos]-d[pos+2]));
  if(pos+1 < n)
    b = rek(pos+1, abs(d[pos]-d[pos+1]));
   dp[pos] = min(a, b)
     return dp[pos];
  }

int main(){
   cin >> n;
   for(int i = 0; i<n; i++) cin >> d[i];
   cout << rek(0,0) << endl;
  }

Compiler output:
a.cc:1:10: fatal error: bits/stcd++.h: No such file or directory
    1 | #include <bits/stcd++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;

#ifdef LOCAL
	#define D(a) cerr << #a << " = " << a << endl
#else
	#define D(a)
	#define cerr false && cerr
#endif
#define fastio ios_base::sync_with_stdio(0); cin.tie(0)
#define dforsn(i,s,n) for(int i=int(n-1);i>=int(s);i--)
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define dforn(i,n) dforsn(i,0,n)
#define forn(i,n) forsn(i,0,n)
#define all(a) a.begin(),a.end()
#define si(a) int((a).size())
#define pb emplace_back
#define mp make_pair
#define snd second
#define fst first
#define endl '\n'
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef long long ll;

int main() {
	fastio;
	
    int n; cin >> n;
    vi a(n),b(n,INT_MAX);
    forn(i,n) cin >> a[i];
    [n-1] = 0;
    dforn(i,n){
        if(i-1 >= 0) b[i-1] = min(b[i-1],abs(a[i-1]-a[i])+b[i]); 
        if(i-2 >= 0) b[i-2] = min(b[i-2],abs(a[i-2]-a[i])+b[i]); 
    }
	cout << b[0] << endl; 
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:7: error: expected ',' before '-' token
   32 |     [n-1] = 0;
      |       ^
      |       ,
a.cc:32:7: error: expected identifier before '-' token
a.cc: In lambda function:
a.cc:32:11: error: expected '{' before '=' token
   32 |     [n-1] = 0;
      |           ^
a.cc: In function 'int main()':
a.cc:32:13: error: no match for 'operator=' (operand types are 'main()::<lambda()>' and 'int')
   32 |     [n-1] = 0;
      |             ^
a.cc:32:9: note: candidate: 'main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)' (deleted)
   32 |     [n-1] = 0;
      |         ^
a.cc:32:9: note:   no known conversion for argument 1 from 'int' to 'const main()::<lambda()>&'
Language: C++

#include <bits/stdc++.h>
using namespace std;
const char duom[] ="i.txt";
long long dp[100005];
int h[10005];
int main()
{
  // ifstream cin (duom);
   int n;
   cin >>n;
   for(int i=1;i<=n;i++)
   {
       cin >> h[i];
   }
   dp[1]=0;
   dp[2]=dp[1]+abs(h[i]-h[i-1]);
   for(int i=3;i<=n;i++)
   {
       dp[i]=min(dp[i-1]+abs(h[i]-h[i-1]),dp[i-2]+abs(h[i]-h[i-2]));
   }
   cout << dp[n];


    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:16:22: error: 'i' was not declared in this scope
   16 |    dp[2]=dp[1]+abs(h[i]-h[i-1]);
      |                      ^
Language: C++

#include <#include <bits/stdc++.h>
// #include "jngen.h"
#define pb push_back
#define fast ios::sync_with_stdio(false); cin.tie(0); cout.tie(0)
using namespace std;
typedef long long int ll;

mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

ll getRand(ll l, ll r)
{
	uniform_int_distribution<ll> uid(l, r);
	return uid(rng);
}

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace __gnu_pbds;

template<typename T>
using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

int32_t main()
{
    int n; cin >> n;
    int h[n];
    int dp[n];
    for (int i = 0; i < n; ++i)
    {
        cin >> h[i];
    }
    dp[0] = h[0]; dp[1] = h[1];
    for (int i = 2; i < n; ++i)
    {
        dp[i] = h[i] + min(dp[i-1], dp[i-2]);
    }
    cout << dp[n-1];
}

Compiler output:
a.cc:1:10: fatal error: #include <bits/stdc++.h: No such file or directory
    1 | #include <#include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
const int N=100010;
int n;
int a[N],f[N];
int main()
{
  cin>>n;
  for(int i=1;i<=n;++i) cin>>a[i];
  memset(f,127,sizeof(f));
  f[1]=0;
  for(int i=1;i<n;++i) f[i+1]=min(f[i+1],f[i]+abs(a[i+1]-a[i]),
                       f[i+2]=min(f[i+2],f[i]+abs(a[i+2]-a[i]);
  cout<<f[n];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:63: error: expected ')' before ';' token
   13 |                        f[i+2]=min(f[i+2],f[i]+abs(a[i+2]-a[i]);
      |                                  ~                            ^
      |                                                               )
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)
#define all(c) c.begin(),c.end()
#define pb push_back
#define fs first
#define sc second
#define show(x) cout << #x << " = " << (x) << endl
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
using namespace std;
template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){
	return o<<"("<<p.fs<<","<<p.sc<<")";
}
template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){
	o<<"{";
	for(const T& v:vc) o<<v<<",";
	o<<"}";
	return o;
}
using ll = long long;
template<class T> using V = vector<T>;
template<class T> using VV = vector<vector<T>>;
int main(){
	int N;
	cin>>N;
	V<int> a(N);
	rep(i,N) cin>>a[i];
	int inf = 1e9;
	V<int> dp(N+1,inf);
	dp[0] = 0;
	rep(i,N){
		rep1(t,2){
			int j = i+t;
			if(j<=N) chmin(dp[j],dp[i] + abs(h[i]-h[j]));
		}
	}
	cout<<dp[N]<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:58: error: 'h' was not declared in this scope
   35 |                         if(j<=N) chmin(dp[j],dp[i] + abs(h[i]-h[j]));
      |                                                          ^
a.cc:9:28: note: in definition of macro 'chmin'
    9 | #define chmin(x,y) x=min(x,y)
      |                            ^
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.PriorityQueue;
import java.util.StringTokenizer;
import java.util.TreeMap;



 class Main{
	 
	 
	 
	

	public static void main(String[] args) throws IOException {
		
		
		FastScanner sc=new FastScanner();
		
		int n = sc.nextInt();
		int k = sc.nextInt();
		long hi[] = new long[n+1];
		for(int i=0; i<n; i++)
			hi[i+1] = sc.nextLong();
		long dp[] = new long[n+1];
		
		dp[1] = 0;
		for(int i=2; i<=k; i++) {
			long dpcost = Long.MAX_VALUE;
					int dpnum = 0;
					for(int j = 1;j<=i;j++) {
						if(dpcost>dp[i-j]+Math.abs(h[i]-h[i-j])) {
							dpcost = dp[i-j]+Math.abs(h[i]-h[i-j]);
							dpnum = j;
						}
                      }
 
 
					dp[i] =dpcost;
			
		}
		
		
		for(int i=k+1; i<n+1; i++) {
			long res = Integer.MAX_VALUE;
			for(int j=1; j<=k; j++) {
				res = Math.min(dp[i-j] + Math.abs(-hi[i]+hi[i-j]),res);
			}
			dp[i] = res;
		}
		
		System.out.println(dp[n]);
		
				
	}
	
	
	
	
 
	static void sort(int[] a) {
		ArrayList<Integer> l=new ArrayList<>();
		for (int i:a) l.add(i);
		Collections.sort(l);
		for (int i=0; i<a.length; i++) a[i]=l.get(i);
	}
	
	static class FastScanner {
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st=new StringTokenizer("");
		String next() {
			while (!st.hasMoreTokens())
				try {
					st=new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			return st.nextToken();
		}
		
		int nextInt() {
			return Integer.parseInt(next());
		}
		int[] readArray(int n) {
			int[] a=new int[n];
			for (int i=0; i<n; i++) a[i]=nextInt();
			return a;
		}
		long[] readArrayLong(int n) {
        	long[] a=new long[n];
			for (int i=0; i<n; i++) a[i]=nextInt();
			return a;
        }
		long nextLong() {
			return Long.parseLong(next());
		}
		String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
	}
}


Compiler output:
Main.java:41: error: cannot find symbol
						if(dpcost>dp[i-j]+Math.abs(h[i]-h[i-j])) {
						                           ^
  symbol:   variable h
  location: class Main
Main.java:41: error: cannot find symbol
						if(dpcost>dp[i-j]+Math.abs(h[i]-h[i-j])) {
						                                ^
  symbol:   variable h
  location: class Main
Main.java:42: error: cannot find symbol
							dpcost = dp[i-j]+Math.abs(h[i]-h[i-j]);
							                          ^
  symbol:   variable h
  location: class Main
Main.java:42: error: cannot find symbol
							dpcost = dp[i-j]+Math.abs(h[i]-h[i-j]);
							                               ^
  symbol:   variable h
  location: class Main
4 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<ll> vec;


int main(){
    ll N; cin >> N;
    vec h(N);
    for (ll i = 0; i < N; i++)
    {
        cin >> h[i];
    }

    vec dp(N,1e+15);    
    dp[0] = 0;

    for (ll i = 0; i < N; i++)
    {
        for (ll j = 1; i+j < N and j <= K; j++)
        {
            dp[i+j] = min(dp[i+j], dp[i] + abs(h[i] - h[i+j]));        
        }
    }
    cout << dp[N-1] << endl;
    


}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:41: error: 'K' was not declared in this scope
   21 |         for (ll j = 1; i+j < N and j <= K; j++)
      |                                         ^
Language: C++

#include <iostream>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <cstring>
#include <climits>
#include "debug.h"
using namespace std;
#define ll long long
#define FOR(i,n) for(int i=0;i<n;i++)
#define sz(x) (int)(x.size())
#define all(x) (x).begin(),(x).end()
template<typename tp> void read(tp &x) {cin >> x;}
template<typename tp, typename... Args> void read(tp& x, Args&... args) {read(x);read(args...);}
const int mxN = (int)1e5,INF = (int)1e9,MOD = (int)1e9+7;

void solve()
{
	int n,k;
	read(n,k);
	int h[n];
	FOR(i,n) read(h[i]);
	int dp[n];
	dp[0] = 0;
	for(int i=1;i<n;i++)
	{
		dp[i] = INF;
		for(int j=i-1,c=0;j>=0 && c<k;j--,c++)
			dp[i] = min(dp[i],abs(h[i]-h[j])+dp[j]);
	}
	
	cout << dp[n-1] << '\n';
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int test = 1;
	//read(test);
	while(test--)
		solve();
	return 0;
}



Compiler output:
a.cc:13:10: fatal error: debug.h: No such file or directory
   13 | #include "debug.h"
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<unordered_map>
using namespace std;
unordered_map<int, int> dp;
int main(){
    int n,k;
    cin>>n>>k;
    int h[n];
    for(int i=0;i<n;i++){
        cin>>h[i];
    }
    dp[0]=0;
    dp[1]=0;
    dp[2]=abs(h[1]-h[0]);
    for(int i=3;i<n+1;i++){
        int min=INT_MAX;
        for(int j=i-1;j>-1&&j>=i-k;j--){
            if(min>(dp[j]+abs(h[i-1]-h[j-1]))){
                min=dp[j]+abs(h[i-1]-h[j-1]);
            }
        }
        dp[i]=min;
    }
    cout<<dp[n]<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:17: error: 'INT_MAX' was not declared in this scope
   16 |         int min=INT_MAX;
      |                 ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include<unordered_map>
  +++ |+#include <climits>
    3 | using namespace std;