criyle/codenet-compile-errors huggingface dataset:
Language: Java

public class FrogJumping {
    static int[] h;
    static int n;
    static Integer[] dp;
    public static void main(String[] args) {
        InputReader reader = new InputReader(System.in);
        n = reader.nextInt();
        h = new int[n];
        dp = new Integer[n];
        for(int i=0;i<n;i++){
            h[i] = reader.nextInt();
        }
        System.out.println(frogJump(0));
    }

    static int frogJump(int idx){
        if(idx == n-1){
            return 0;
        }
        if(dp[idx]!=null){
            return dp[idx];
        }

        int minCost = Math.abs(h[idx] - h[idx+1]) + frogJump(idx+1);
        if(idx+2<n) {
            int cost = Math.abs(h[idx] - h[idx+2]) + frogJump(idx+2);
            minCost = Math.min(minCost,cost);
        }
        dp[idx] = minCost;
        return minCost;
    }
}




class InputReader {
    public BufferedReader reader;
    public StringTokenizer tokenizer;

    public InputReader(InputStream stream) {
        reader = new BufferedReader(new InputStreamReader(stream), 32768);
        tokenizer = null;
    }

    public String next() {
        while (tokenizer == null || !tokenizer.hasMoreTokens()) {
            try {
                tokenizer = new StringTokenizer(reader.readLine());
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return tokenizer.nextToken();
    }

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


Compiler output:
Main.java:1: error: class FrogJumping is public, should be declared in a file named FrogJumping.java
public class FrogJumping {
       ^
Main.java:38: error: cannot find symbol
    public BufferedReader reader;
           ^
  symbol:   class BufferedReader
  location: class InputReader
Main.java:39: error: cannot find symbol
    public StringTokenizer tokenizer;
           ^
  symbol:   class StringTokenizer
  location: class InputReader
Main.java:41: error: cannot find symbol
    public InputReader(InputStream stream) {
                       ^
  symbol:   class InputStream
  location: class InputReader
Main.java:42: error: cannot find symbol
        reader = new BufferedReader(new InputStreamReader(stream), 32768);
                     ^
  symbol:   class BufferedReader
  location: class InputReader
Main.java:42: error: cannot find symbol
        reader = new BufferedReader(new InputStreamReader(stream), 32768);
                                        ^
  symbol:   class InputStreamReader
  location: class InputReader
Main.java:49: error: cannot find symbol
                tokenizer = new StringTokenizer(reader.readLine());
                                ^
  symbol:   class StringTokenizer
  location: class InputReader
Main.java:50: error: cannot find symbol
            } catch (IOException e) {
                     ^
  symbol:   class IOException
  location: class InputReader
8 errors
Language: C++

#include<bits/stdc++.h>
using namespace std;
int findCost(int arr[], int n) {
  int result = 0;
  int i=n-1;
  while(i > 0) {
    if(i == 1) {
      if(arr[i] > arr[i-1]) {
        result += arr[1]-arr[0];
        return result;
      }
      else {
        result += arr[0]-arr[1];
        return result;
      }
    }
    else if(i == 2) {
      if(arr[2] > arr[0]) {
        result += arr[2]-arr[0];
        return result;
      }
      else {
        result += arr[0]-arr[2];
        return result;
      }
    }
    else{
      if(arr[i]>arr[i-1]) {
        if(arr[i]>arr[i-2]) {
          if(arr[i]-arr[i-1] > arr[i]arr[i-2]) {
            result += arr[i]-arr[i-2];
            i = i-2;
          }
          else {
            result += arr[i]-arr[i-1];
            i = i-1;
          }
        }
        else {
          if(arr[i]-arr[i-1] > arr[i-2]arr[i]) {
            result += arr[i-2]-arr[i];
            i = i-2;
          }
          else {
            result += arr[i]-arr[i-1];
            i = i-1;
          }
        }
      }
      else {
        if(arr[i]>arr[i-2]) {
          if(arr[i-1]-arr[i] > arr[i]-arr[i-2]) {
            result += arr[i]-arr[i-2];
            i = i-2;
          }
          else {
            result += arr[i-1]-arr[i];
            i = i-1;
          }
        }
        else {
          if(arr[i-1]-arr[i] > arr[i-2]-arr[i]) {
            result += arr[i-2]-arr[i];
            i = i-2;
          }
          else {
            result += arr[i-1]-arr[i];
            i = i-1;
          }
        }
      }
    }
  }
  return result;
}
int main() {
  int n;
  cin >> n;
  int arr[n];
  for(int i=0; i<n; i++) cin >> arr[i];
  int result = findCost(arr, n);
  cout << result;
  return 0;
}

Compiler output:
a.cc: In function 'int findCost(int*, int)':
a.cc:30:38: error: expected ')' before 'arr'
   30 |           if(arr[i]-arr[i-1] > arr[i]arr[i-2]) {
      |             ~                        ^~~
      |                                      )
a.cc:40:40: error: expected ')' before 'arr'
   40 |           if(arr[i]-arr[i-1] > arr[i-2]arr[i]) {
      |             ~                          ^~~
      |                                        )
Language: C++

import numpy as np
N = int(input())

h = list(map(int,input().split()))
cost = [np.inf]*N
cost[0] = 0
for i in range(N-1):
    a = abs(h[i+1]-h[i])
    if (cost[i]+a) < cost[i+1]:
        cost[i+1] = cost[i]+a
    if N - 2 > i :
        b = abs(h[i+2]-h[i])
        if (cost[i]+b) < cost[i+2]:
            cost[i+2] = (cost[i]+b)
print(cost[N-1])

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import numpy as np
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

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

int solve(int n , int heights[] , vector <bool> vis, vector <long long> dp){

    if(vis[n]){
        return dp[n];
    }else{
        long long x = solve(n-1,heights,vis,dp) + abs(heights[n] - heights[n-1]);
        long long y = solve(n-2,heights,vis,dp) + abs(heights[n] -heights[n-2]);

        vis[n]= true;
        dp[n] = min(x,y);

        return dp[n];
    }

}


int main(){
    int n;
    cin >> n;
    int heights[n+1];
    for(int i = 1 ; i <= n ; i++){
        cin >> heights[i];
    }
    heights[0] = heights[1];

    vector <bool> vis(n+1,false);

    vector <long long> dp(n+1,0);

    vis[0] = true;
    dp[0] = 0;
    vis[1] = true;
    dp[1] = 0;

    cout << solve(n,heights,vis,dp);
}#include <bits/stdc++.h>
using namespace std;

int solve(int n , int heights[] , vector <bool> vis, vector <long long> dp){

    if(vis[n]){
        return dp[n];
    }else{
        long long x = solve(n-1,heights,vis,dp) + abs(heights[n] - heights[n-1]);
        long long y = solve(n-2,heights,vis,dp) + abs(heights[n] -heights[n-2]);

        vis[n]= true;
        dp[n] = min(x,y);

        return dp[n];
    }

}


int main(){
    int n;
    cin >> n;
    int heights[n+1];
    for(int i = 1 ; i <= n ; i++){
        cin >> heights[i];
    }
    heights[0] = heights[1];

    vector <bool> vis(n+1,false);

    vector <long long> dp(n+1,0);

    vis[0] = true;
    dp[0] = 0;
    vis[1] = true;
    dp[1] = 0;

    cout << solve(n,heights,vis,dp);
}

Compiler output:
a.cc:40:2: error: stray '#' in program
   40 | }#include <bits/stdc++.h>
      |  ^
a.cc:40:3: error: 'include' does not name a type
   40 | }#include <bits/stdc++.h>
      |   ^~~~~~~
a.cc:43:5: error: redefinition of 'int solve(int, int*, std::vector<bool>, std::vector<long long int>)'
   43 | int solve(int n , int heights[] , vector <bool> vis, vector <long long> dp){
      |     ^~~~~
a.cc:4:5: note: 'int solve(int, int*, std::vector<bool>, std::vector<long long int>)' previously defined here
    4 | int solve(int n , int heights[] , vector <bool> vis, vector <long long> dp){
      |     ^~~~~
a.cc:60:5: error: redefinition of 'int main()'
   60 | int main(){
      |     ^~~~
a.cc:21:5: note: 'int main()' previously defined here
   21 | int main(){
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int a[100005],dp[100003],n,k=2;

int f(int idx){
	if(idx>=n-1)return 0;
	if(dp[idx]!=-1)return dp[idx];
	// int ans=min(f(idx+1)+abs(a[idx]-a[idx+1]), f(idx+2)+abs(a[idx]-a[idx+2]));
	int ans=hell;
	for(int i=1;i<=k;i++){
		ans=min(ans,f(idx+i)+abs(a[idx]-a[idx+i]));
	}
	dp[idx]=ans;
	return ans;
}
int main()
{
	int i,j;
	cin>>n;
	for(i=0;i<n;i++)
		cin>>a[i];
	memset(dp,-1,sizeof dp);
	cout<<f(0);
}


/// idx 1.  ->. idx n

Compiler output:
a.cc: In function 'int f(int)':
a.cc:9:17: error: 'hell' was not declared in this scope
    9 |         int ans=hell;
      |                 ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int a[100005],dp[100003],n,k=2;

int f(int idx){
	if(idx>=n)return 0;
	if(dp[idx]!=-1)return dp[idx];
	// int ans=min(f(idx+1)+abs(a[idx]-a[idx+1]), f(idx+2)+abs(a[idx]-a[idx+2]));
	int ans=hell;
	for(int i=1;i<=k;i++){
		ans=min(ans,f(idx+i)+abs(a[idx]-a[idx+i]));
	}
	dp[idx]=ans;
	return ans;
}
int main()
{
	int i,j;
	cin>>n;
	for(i=0;i<n;i++)
		cin>>a[i];
	memset(dp,-1,sizeof dp);
	cout<<f(0);
}


/// idx 1.  ->. idx n

Compiler output:
a.cc: In function 'int f(int)':
a.cc:9:17: error: 'hell' was not declared in this scope
    9 |         int ans=hell;
      |                 ^~~~
Language: C++

/*
    It’s Always Darkest Before the Dawn
                This Time is that Darkness in you Life
                                                            */
 
#include<bits/stdc++.h>
using namespace std;
 
#define ll long long 
#define pb push_back  
#define F first
#define S second
#define pii pair<int,int>
#define all(a) a.begin(),a.end()
 
const ll mod=1e9+7,di=998244353,N=3e5+1;
 
bool IsQuery=false; 
ll q=1,a[N];
 
map<int,vector<int>> edge;
map<int,bool> occ;
 
int dx[] = {1, -1, 0, 0};
int dy[] = {0, 0, 1, -1};
 
void solve(){
		
  	ll n;
  	cin>>n;
  
  	for(int i=1;i<=n;i++)
      cin>>a[i];
  	 
  	ll dp[n+2]={0};
  	
  	for(int i=1;i<=n;i++)
      dp[i]=INT_MAX;
  
  	for(int i=1;i<n;i++){
      
      dp[i+1]=min(dp[i]+abs(a[i+1]-a[i]),dp[i+1]);
      dp[i+2]=min(d[i]+abs(a[i+2]-a[i]),dp[i+2);
    }
    
    cout<<dp[n];
    return;   
} 
int main(){
    
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    
    if(IsQuery)
    cin>>q;
 
    for(int i=0;i<q;i++){
        solve();
        cout<<"\n";
    }
    return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:43:19: error: 'd' was not declared in this scope
   43 |       dp[i+2]=min(d[i]+abs(a[i+2]-a[i]),dp[i+2);
      |                   ^
a.cc:43:47: error: expected ']' before ')' token
   43 |       dp[i+2]=min(d[i]+abs(a[i+2]-a[i]),dp[i+2);
      |                                               ^
      |                                               ]
Language: C++

#include <iostream>
using namespace std;
int main() {
    long long int n;
    cin>>n;
    vector<long long>h(n);
    for(long long i=0;i<n;i++){
        cin>>h[i];
    }
    vector<long long>dp(n,INT_MAX);
    dp[0] = 0;
    for(long long i=0;i<n;i++){
        for(long long j=i+1;j<=i+2;j++){
            dp[j] = min(dp[j],dp[i] + abs(h[i]-h[j]));
        }
    }
    cout<<dp[n-1];
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'vector' was not declared in this scope
    6 |     vector<long long>h(n);
      |     ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:6:12: error: expected primary-expression before 'long'
    6 |     vector<long long>h(n);
      |            ^~~~
a.cc:8:14: error: 'h' was not declared in this scope
    8 |         cin>>h[i];
      |              ^
a.cc:10:12: error: expected primary-expression before 'long'
   10 |     vector<long long>dp(n,INT_MAX);
      |            ^~~~
a.cc:11:5: error: 'dp' was not declared in this scope
   11 |     dp[0] = 0;
      |     ^~
a.cc:14:43: error: 'h' was not declared in this scope
   14 |             dp[j] = min(dp[j],dp[i] + abs(h[i]-h[j]));
      |                                           ^
Language: C++

            #include <iostream>
            using namespace std;
             
            int frog1(int* s, int n){
                int dp[100]={-1};
                dp[0] = 0;
                for(int i=1;i<=n;i++){
                  int op1 = abs(s[i]-s[i-1]) + dp[i-1];
                  int op2 = (i==2)?INT_MAX:abs(s[i]-s[i-2]) + dp[i-2];
                    dp[i] = min(op1, op2);
                }
                
                return dp[n];
            }
             
            int main() {
            	int a[100005];
              	int n;	cin>>n;
              	for(int i=0;i<n;i++){
                	cin>>a[i];
                }
                cout<<frog1(a,n-1);
                return 0;
            }

Compiler output:
a.cc: In function 'int frog1(int*, int)':
a.cc:9:36: error: 'INT_MAX' was not declared in this scope
    9 |                   int op2 = (i==2)?INT_MAX:abs(s[i]-s[i-2]) + dp[i-2];
      |                                    ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 |             #include <iostream>
  +++ |+#include <climits>
    2 |             using namespace std;
Language: C++

        #include <iostream>
        using namespace std;
         
        int frog1(int* s, int n){
            int dp[100]={-1};
            dp[0] = 0;
            for(int i=1;i<=n;i++){
              int op1 = abs(s[i]-s[i-1]) + dp[i-1];
              int op2 = if(i==2)?INT_MAX:abs(s[i]-s[i-2]) + dp[i-2];
                dp[i] = min(op1, op2);
            }
            
            return dp[n];
        }
         
        int main() {
        	int a[100005];
          	int n;	cin>>n;
          	for(int i=0;i<n;i++){
            	cin>>a[i];
            }
            cout<<frog1(a,n-1);
            return 0;
        }

Compiler output:
a.cc: In function 'int frog1(int*, int)':
a.cc:9:25: error: expected primary-expression before 'if'
    9 |               int op2 = if(i==2)?INT_MAX:abs(s[i]-s[i-2]) + dp[i-2];
      |                         ^~
Language: C++

    #include <iostream>
    using namespace std;
     
    int frog1(int* s, int n){
        int dp[100]={-1};
        dp[0] = 0;
        for(int i=1;i<=n;i++){
          int op1 = abs(s[i]-s[i-1]) + dp[i-1];
          int op2 = if(i==2)?inf:abs(s[i]-s[i-2]) + dp[i-2];
            dp[i] = min(op1, op2);
        }
        
        return dp[n];
    }
     
    int main() {
    	int a[100005];
      	int n;	cin>>n;
      	for(int i=0;i<n;i++){
        	cin>>a[i];
        }
        cout<<frog1(a,n-1);
        return 0;
    }

Compiler output:
a.cc: In function 'int frog1(int*, int)':
a.cc:9:21: error: expected primary-expression before 'if'
    9 |           int op2 = if(i==2)?inf:abs(s[i]-s[i-2]) + dp[i-2];
      |                     ^~
Language: C++

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

typedef long long ll;
typedef vector<int> vi;
#define PB push_back
#define MP make_pair
#define endl '\n'
#define all(a) (a).begin(),(a).end()
#define optimize() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

int n;
int arr[100005];
int dp[100005];



int main()
{
    optimize();
    cin>>n;
    for(int i=1; i<=n; i++)
        cin>>arr[i];
    dp[2]=abs(arr[1]-arr[2]);
    for(int i=3;i<n;i++)
        dp[i]=min(dp[i-1]+abs(arr[i]-arr[i-1]),dp[i-2]+abs(arr[i]-arr[i-2]))

    cout<<dp[n]<<endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:77: error: expected ';' before 'cout'
   26 |         dp[i]=min(dp[i-1]+abs(arr[i]-arr[i-1]),dp[i-2]+abs(arr[i]-arr[i-2]))
      |                                                                             ^
      |                                                                             ;
   27 | 
   28 |     cout<<dp[n]<<endl;
      |     ~~~~
Language: C

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
constexpr int INF = numeric_limits<int>::max();
template <typename T, typename... Args>
const T& min(const T& a, Args... args) {
  return min(a, min(args...));
}
template <typename T, typename... Args>
const T& max(const T& a, Args... args) {
  return max(a, max(args...));
}

#pragma GCC optimize("O3")
static const auto __ = [] {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  return nullptr;
}();

int main(int argc, char* argv[]) {
  int n;
  cin >> n;
  int h[n];
  for (int& h_ : h) {
    cin >> h_;
  }
  int dp[n];
  dp[0] = 0;
  dp[1] = abs(h[1] - h[0]);
  for (int i = 2; i < n; ++i) {
    dp[i] =
        min(dp[i - 2] + abs(h[i - 2] - h[i]), dp[i - 1] + abs(h[i - 1] - h[i]));
  }
  cout << dp[n - 1] << '\n';
  return 0;
}


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

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

typedef long long ll;
typedef vector<int> vi;

#define PB push_back
#define MP make_pair
#define endl '\n'
#define all(a) (a).begin(),(a).end()
#define optimize() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);


int rec(int n)
{
    if(n==1)
        return 0;
    if(dp[n]>0) return dp[n];

    else if(n%3==0 && n%2==0)
        return min(1+rec(n/3),min(1+rec(n/2),1+rec(n-1)));
    else if(n%3==0 && n%2!=0)
        return min(1+rec(n/3),1+rec(n-1));
    else if(n%3!=0 && n%2==0)
        return min(1+rec(n/2),1+rec(n-1));
    else
        return 1+rec(n-1);
}


int main()
{
    optimize();
    int t,n;
    cin>>t;
    for(int TC=1;TC<=t;TC++)
    {
        cin>>n;
        rec(n);
        cout<<"Case "<<TC<<": "<<rec(n)<<endl;
    }

    return 0;
}


Compiler output:
a.cc: In function 'int rec(int)':
a.cc:18:8: error: 'dp' was not declared in this scope; did you mean 'dup'?
   18 |     if(dp[n]>0) return dp[n];
      |        ^~
      |        dup
Language: Java

//package atcoderdp;
import java.util.*;
public class frog1 {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int n = s.nextInt();
        int a[]=new int[n];
        for (int i = 0; i <n ; i++) {
            a[i] = s.nextInt();
        }
        System.out.println(find(a,n));
    }
    public static int find(int a[],int n){
        if(n<2)
            return 0;
        int dp[]=new int[n];
        Arrays.fill(dp,Integer.MAX_VALUE);
        dp[0]=0;
        dp[1]=Math.abs(a[1]-a[0]);
        //System.out.println(Arrays.toString(dp));
        for (int i = 2; i <n ; i++) {
            dp[i]=Math.min(dp[i-1]+Math.abs(a[i-1]-a[i]),dp[i-2]+Math.abs(a[i-2]-a[i]));
        }
        //System.out.println(Arrays.toString(dp));
        return dp[n-1];
    }
}


Compiler output:
Main.java:3: error: class frog1 is public, should be declared in a file named frog1.java
public class frog1 {
       ^
1 error
Language: Java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Solution {

    public static void main(String[] args) throws Exception {

        ModScanner ms = new ModScanner();
        OutputStream outputStream = System.out;
        PrintWriter out = new PrintWriter(outputStream);
        int n = ms.nextInt();
        int[] heights = new int[n];
        for (int i = 0; i < n; i++) {
            heights[i] = ms.nextInt();
        }
        int[] dp = new int[n];
        Arrays.fill(dp, Integer.MAX_VALUE);
        out.println(findTotalJumpCost(heights, 0, dp));
        out.close();
    }

    private static int findTotalJumpCost(int[] heights, int ind, int[] dp) {
        if (ind >= heights.length) {
            return 0;
        }
        if (dp[ind] != Integer.MAX_VALUE) {
            return dp[ind];
        }
        int next = findTotalJumpCost(heights, ind+1, dp);
        if (ind + 1 < heights.length) {
            dp[ind] = Math.min(next + Math.abs(heights[ind] - heights[ind+1]), dp[ind]);
        }
        int next_to_next = findTotalJumpCost(heights, ind+2, dp);
        if (ind + 2 < heights.length) {
            dp[ind] = Math.min(next_to_next + Math.abs(heights[ind] - heights[ind+2]), dp[ind]);
        }

        return dp[ind] != Integer.MAX_VALUE ? dp[ind] : 0;
    }

}

class ModScanner {

    BufferedReader br;
    StringTokenizer st;

    public ModScanner() {
        br = new BufferedReader(new InputStreamReader(System.in));
    }

    String nextToken() throws Exception {
        while (st == null || !st.hasMoreElements()) {
            st = new StringTokenizer(br.readLine());

        }
        return st.nextToken();
    }

    String nextString() throws Exception {
        return br.readLine();
    }


    int nextInt() throws Exception, Exception {
        return Integer.parseInt(nextToken());
    }

    long nextLong() throws Exception {
        return Long.parseLong(nextToken());
    }

    double nextDouble() throws Exception {
        return Double.parseDouble(nextToken());
    }

}


Compiler output:
Main.java:8: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
1 error
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
int min(int a,int b){
	return (a>b?b:a);
}

int go(int *a,int n){
    int f=0;
    if(n==1) return f;
    int s=abs(a[0]-a[1]);
    if(n==2) return s;
    int c=INT_MAX;
    for(int i=2;i<n;i++){
        c=min(s+abs(a[i]-a[i-1]),f+abs(a[i]-a[i-2]));
        f=s;
        s=c;
    }
    return c;
}
int main(){
  int n;
  cin>>n;
  int a[n];
  for(int i=0;i<n;i++) cin>>a[i];
  cout<<go(a,n)<<endl;
 return 0; 
}



Compiler output:
a.cc: In function 'int go(int*, int)':
a.cc:13:11: error: 'INT_MAX' was not declared in this scope
   13 |     int c=INT_MAX;
      |           ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include<algorithm>
  +++ |+#include <climits>
    3 | using namespace std;
Language: C++

    #include <iostream>
    #include <algorithm>
    using namespace std;
    #define mx 200000
    int main(){
        int n, k, mn;
        int h[mx], cost[mx];
        cin >> n >> k;
        for(int i = 1; i <= n; i++){
            cin >> h[i];
        }
        cost[1] = 0;
        for(int i = 2; i <= n; i++){
            mn = abs(h[i] - h[i - k]) + cost[i - k];
            for(int j <= k; j >= 1; j--){
                if (i - j >= 1){
                if ((abs(h[i] - h[i - j]) + cost[i - j]) < mn) { 
                mn = abs(h[i] - h[i - j]) + cost[i - j];
                }
                }
            }
            cost[i] = mn;
        }
        cout << cost[n] << endl;
        return 0;
    }


Compiler output:
a.cc: In function 'int main()':
a.cc:15:22: error: expected ';' before '<=' token
   15 |             for(int j <= k; j >= 1; j--){
      |                      ^~~
      |                      ;
a.cc:15:23: error: expected primary-expression before '<=' token
   15 |             for(int j <= k; j >= 1; j--){
      |                       ^~
a.cc:15:35: error: expected ')' before ';' token
   15 |             for(int j <= k; j >= 1; j--){
      |                ~                  ^
      |                                   )
a.cc:15:37: error: 'j' was not declared in this scope
   15 |             for(int j <= k; j >= 1; j--){
      |                                     ^
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define mp(a, b) make_pair(a, b)
#define newline cout << endl;
#define ff first
#define ss second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define all(v) v.begin(),v.end()
using namespace std;

template <typename S, typename T> ostream& operator<<(ostream& out, pair<S, T> const& p)
{
    out << '(' << p.ff << ", " << p.ss << ')';
    return out;
}

template <typename T> ostream& operator<<(ostream& out, vector<T> const& v)
{
    int l = v.size();
    for (int i = 0; i < l - 1; i++)
        out << v[i] << ' ';
    if (l > 0)
        out << v[l - 1];
    return out;
}

template <typename T> void trace(const char* name, T&& arg1) { cout << name << " : " << arg1 << endl; }

template <typename T, typename... Args> void trace(const char* names, T&& arg1, Args&&... args)
{
    const char* comma = strchr(names + 1, ',');
    cout.write(names, comma - names) << " : " << arg1 << " | ";
    trace(comma + 1, args...);
}

/*Input*/
const ll visze = 1e6;
vector<ll> v(vsize), cost(vsize);
ll n;
/*Input*/

int main()
{
    //ios::sync_with_stdio(false);
    //cin.tie(0);
    //cout.tie(0);
    clock_t tStart = clock();
    int test;
    test = 1;
    /* cin >> test; */
    while (test--) {
        cin >> n;
        for(int i = 0; i < n; i++){
            cin >> v[i];
        }
        cost[0] = 0;
        for(int i = 1; i < n; i++){
            if(i==1){
                cost[i] = abs(v[i-1] - v[i]);
                continue;
            }
            cost[i] = min( cost[i-1] + abs(v[i-1]-v[i]), cost[i-2] + abs(v[i-2] - v[i])  );
        }
        cout << cost[n-1] << "\n";
    }
#ifdef LOCAL_DEFINE
    printf("Time taken: %.2fs\n", (double)(clock() - tStart) / CLOCKS_PER_SEC);
#endif
    return 0;
}









Compiler output:
a.cc:39:14: error: 'vsize' was not declared in this scope; did you mean 'visze'?
   39 | vector<ll> v(vsize), cost(vsize);
      |              ^~~~~
      |              visze
a.cc:39:27: error: 'vsize' was not declared in this scope; did you mean 'visze'?
   39 | vector<ll> v(vsize), cost(vsize);
      |                           ^~~~~
      |                           visze
Language: Java

import java.util.*;

public class FrogJump1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        int[] nums = new int[n];
        String[] line = scanner.nextLine().split(" ");
        for (int i = 0; i < n; i++) {
            nums[i] = Integer.parseInt(line[i]);
        }

        int[] dp = new int[n];
        dp[0] = 0;
        dp[1] = nums[1] - nums[0];

        for(int i = 2; i < n; i++) {
            int choice1 = Math.abs(nums[i] - nums[i - 1]);
            int choice2 = Math.abs(nums[i] - nums[i - 2]);

            if(choice1 > choice2) {
                dp[i] = dp[i - 2] + choice2;
            } else {
                dp[i] = dp[i - 1] + choice1;
            }
        }

        System.out.println(dp[n - 1]);
    }
}


Compiler output:
Main.java:3: error: class FrogJump1 is public, should be declared in a file named FrogJump1.java
public class FrogJump1 {
       ^
1 error
Language: C++

#include <iostream>

#define ll long long
using namespace std;

ll dp[100001];

long long Frog_1(int *heights,int n,int i,int prev_stone){
	if(i>n-1) return INT_MAX;

	if(i==n-1) return abs(prev_stone-heights[n-1]);

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

	return dp[i]=min(abs(prev_stone-heights[i]) + Frog_1(heights,n,i+1,heights[i]),
											abs(prev_stone-heights[i])+ Frog_1(heights,n,i+2,heights[i]));
}

int main(){
  int n;
  cin >> n;
  for(int i=0;i<n;i++) dp[i]=-1;
  int *heights=new int[n];
  for(int i=0;i<n;i++) cin >> heights[i];
  cout << Frog_1(heights,n,0,heights[0]) << "\n";
  delete heights;
}

Compiler output:
a.cc: In function 'long long int Frog_1(int*, int, int, int)':
a.cc:9:26: error: 'INT_MAX' was not declared in this scope
    9 |         if(i>n-1) return INT_MAX;
      |                          ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include <iostream>
  +++ |+#include <climits>
    2 |
Language: C++

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

int main(){
  int n;
  cin >> n;
  vector<int> v;
  for(int i=0; i<n ;i++){
    cin >> v[i];
  }
  vector <int> dp(n);
  dp[0] = v[0];
  dp[1] = abs(v[1]-v[0])
  for(int i = 2; i<n; i++){
    dp[i] = std::min(dp[i-1], dp[i-2])
  }
  return d[n-1];
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:25: error: expected ';' before 'for'
   13 |   dp[1] = abs(v[1]-v[0])
      |                         ^
      |                         ;
   14 |   for(int i = 2; i<n; i++){
      |   ~~~                    
a.cc:14:18: error: 'i' was not declared in this scope
   14 |   for(int i = 2; i<n; i++){
      |                  ^
a.cc:17:10: error: 'd' was not declared in this scope; did you mean 'dp'?
   17 |   return d[n-1];
      |          ^
      |          dp
Language: C++

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

int main(){
  int n;
  cin >> n;
  vector<int> v;
  for(int i=0; i<n ;i++){
    cin >> v[i]
  }
  vector <int> dp(n);
  dp[0] = v[0];
  dp[1] = abs(v[1]-v[0])
  for(int i = 2; i<n; i++){
    dp[i] = std::min(dp[i-1], dp[i-2])
  }
  return d[n-1]
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:16: error: expected ';' before '}' token
    9 |     cin >> v[i]
      |                ^
      |                ;
   10 |   }
      |   ~             
a.cc:13:25: error: expected ';' before 'for'
   13 |   dp[1] = abs(v[1]-v[0])
      |                         ^
      |                         ;
   14 |   for(int i = 2; i<n; i++){
      |   ~~~                    
a.cc:14:18: error: 'i' was not declared in this scope
   14 |   for(int i = 2; i<n; i++){
      |                  ^
a.cc:17:10: error: 'd' was not declared in this scope; did you mean 'dp'?
   17 |   return d[n-1]
      |          ^
      |          dp
a.cc:17:16: error: expected ';' before '}' token
   17 |   return d[n-1]
      |                ^
      |                ;
   18 | }
      | ~
Language: Java

public class Main {
	
	private static int dp[];
	private static int util(int arr[],int start,int end) {
		
		if(start >= end-1) return 0;
		
		if(dp[start] != 0) return dp[start];
		if(start + 2 < end) {
			return dp[start] = Math.min(Math.abs(arr[start] - arr[start + 1]) + util(arr,start + 1,end) , Math.abs(arr[start] - arr[start + 2]) + util(arr,start + 2,end));
		}else {
			return dp[start] = Math.abs(arr[start] - arr[start + 1] ) + util(arr,start + 1,end);
		}
		
		
	}
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int arr[] = new int[n];
		
		for(int i=0; i<n; i++) {
			arr[i] = sc.nextInt();
		}
		
		dp = new int[n+1];
		System.out.println(util(arr,0,n));
		sc.close();
	}

}

Compiler output:
Main.java:19: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:19: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

public class Main1 {
	
	private static int dp[];
	private static int util(int arr[],int start,int end) {
		
		if(start >= end-1) return 0;
		
		if(dp[start] != 0) return dp[start];
		if(start + 2 < end) {
			return dp[start] = Math.min(Math.abs(arr[start] - arr[start + 1]) + util(arr,start + 1,end) , Math.abs(arr[start] - arr[start + 2]) + util(arr,start + 2,end));
		}else {
			return dp[start] = Math.abs(arr[start] - arr[start + 1] ) + util(arr,start + 1,end);
		}
		
		
	}
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int arr[] = new int[n];
		
		for(int i=0; i<n; i++) {
			arr[i] = sc.nextInt();
		}
		
		dp = new int[n+1];
		System.out.println(util(arr,0,n));
		sc.close();
	}

}

Compiler output:
Main.java:1: error: class Main1 is public, should be declared in a file named Main1.java
public class Main1 {
       ^
Main.java:19: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main1
Main.java:19: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main1
3 errors
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class main {

    public static void main(String[] args) throws IOException {


       // BufferedReader br  = new BufferedReader(new InputStreamReader(System.in));
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();

        int arr[] = new int[n];

        for(int i=0; i<n; i++){
            arr[i] = sc.nextInt();
        }

        int a = 0;
        int b = Math.abs(arr[1]-arr[0]);
        int c = 0;

        for(int i=2;i<n;i++) {
            c = Math.min(Math.abs(arr[i]-arr[i-1])+b, Math.abs(arr[i]-arr[i-2])+a);
            a = b;
            b = c;
        }

        System.out.println(c);
    }
}

Compiler output:
Main.java:6: error: class main is public, should be declared in a file named main.java
public class main {
       ^
1 error
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class frog {

    public static void main(String[] args) throws IOException {


       // BufferedReader br  = new BufferedReader(new InputStreamReader(System.in));
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();

        int arr[] = new int[n];

        for(int i=0; i<n; i++){
            arr[i] = sc.nextInt();
        }

        int a = 0;
        int b = Math.abs(arr[1]-arr[0]);
        int c = 0;

        for(int i=2;i<n;i++) {
            c = Math.min(Math.abs(arr[i]-arr[i-1])+b, Math.abs(arr[i]-arr[i-2])+a);
            a = b;
            b = c;
        }

        System.out.println(c);
    }
}

Compiler output:
Main.java:6: error: class frog is public, should be declared in a file named frog.java
public class frog {
       ^
1 error
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class frog1 {

    public static void main(String[] args) throws IOException {


       // BufferedReader br  = new BufferedReader(new InputStreamReader(System.in));
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();

        int arr[] = new int[n];

        for(int i=0; i<n; i++){
            arr[i] = sc.nextInt();
        }

        int a = 0;
        int b = Math.abs(arr[1]-arr[0]);
        int c = 0;

        for(int i=2;i<n;i++) {
            c = Math.min(Math.abs(arr[i]-arr[i-1])+b, Math.abs(arr[i]-arr[i-2])+a);
            a = b;
            b = c;
        }

        System.out.println(c);
    }
}

Compiler output:
Main.java:6: error: class frog1 is public, should be declared in a file named frog1.java
public class frog1 {
       ^
1 error
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class Frog1 {

    public static void main(String[] args) throws IOException {


       // BufferedReader br  = new BufferedReader(new InputStreamReader(System.in));
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();

        int arr[] = new int[n];

        for(int i=0; i<n; i++){
            arr[i] = sc.nextInt();
        }

        int a = 0;
        int b = Math.abs(arr[1]-arr[0]);
        int c = 0;

        for(int i=2;i<n;i++) {
            c = Math.min(Math.abs(arr[i]-arr[i-1])+b, Math.abs(arr[i]-arr[i-2])+a);
            a = b;
            b = c;
        }

        System.out.println(c);
    }
}

Compiler output:
Main.java:6: error: class Frog1 is public, should be declared in a file named Frog1.java
public class Frog1 {
       ^
1 error
Language: C++

#include<bits/std++.h>
using namespace std;
string a,b;
string dp[3001][3001];
string xy(string a,string b)
{
  if(a.size()>=b.size())
    return a;
  else
    return b;
}  
string solve(int m,int n)
{
  for(int i=0;i<=m;i++)
  {
    for(int j=0;j<=n;j++)
    {
      if(!(i&j))
        dp[i][j]='';
      else if(a[i-1]==b[j-1])
        dp[i][j]=dp[i-1][j-1]+a[i];
      else
        dp[i][j]=xy(dp[i-1][j],dp[i][j-1]);
    }
  }
  return dp[m][n];
}
int main()
{
  cin>>a>>b;
  cout<<solve(a.size(),b.size());
  return 0;
}


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

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

#define fast ios::sync_with_stdio(0); cin.tie(NULL); 
#define fi first
#define se second
#define mp make_pair
#define pi 3.14159265359
#define MOD 1000000007
typedef long long ll;
#define mp make_pair
#define ALL(v) v.begin(), v.end() 
#define F(i,s,n) for(i=s;i<n;++i)
#define pb push_back
#define tin freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
ll max(ll a,ll b)
{
    return a*(a>=b)+b*(b>a);
}
/*----------------------------------------------------------*/

void solve()
{
	ll n;cin>>n;vector<ll>a(n),dp(n);
  	for(auto &i:a)cin>>i;
  	if(n==1){cout<<"0";return;}
  	dp[0]=0;dp[1]=abs(a[1]-a[0]);
  	for(ll i=2;i<n;++i)
    {
      dp[i]=min(dp[i-1]+abs(a[i]-a[i-1]),d[i-2]+abs(a[i]-a[i-2]));
    }
  cout<<dp[n-1];
}

int main()
{
    //tin
    fast
    ll tc=1;//cin>>tc;
   for(ll i=1;i<=tc;++i)
   {
    //cout<<"Case #"<<i<<": ";
    solve();
    if(i!=tc)cout<<"\n";
   }
return 0;
}
//End-Cases
//Precomputation
//Segmentation Fault
//Complexity
//Break it up
//Sub Problems

Compiler output:
a.cc: In function 'void solve()':
a.cc:30:42: error: 'd' was not declared in this scope
   30 |       dp[i]=min(dp[i-1]+abs(a[i]-a[i-1]),d[i-2]+abs(a[i]-a[i-2]));
      |                                          ^
Language: C

#include <iostream>
#include <algorithm>
#include <vector>
#include <cstring>
#include <queue>
using namespace std;
const int mod = 998244353, maxn = 1e5+10;
int N, M;
int h[maxn], dp[maxn];

int main()
{
    memset(dp, 0x3f,sizeof(dp));
    scanf("%d", &N);
    for(int i = 1; i <= N; i++)
        scanf("%d", &h[i]);
    dp[1] = 0;
    for(int i = 2; i <= N; i++) {
        if(i > 1)
            dp[i] = min(dp[i], dp[i-1]+abs(h[i]-h[i-1]));
        if(i > 2)
            dp[i] = min(dp[i], dp[i-2]+abs(h[i]-h[i-2]));
    }
    printf("%d\n", dp[N]);
    return 0;
}


Compiler output:
main.c:1:10: fatal error: iostream: No such file or directory
    1 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

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

typedef long long LL; 
typedef pair<int, int> pii; 
typedef pair<LL, LL> pll; 
typedef pair<string, string> pss; 
typedef vector<int> vi; 
typedef vector<vi> vvi; 
typedef vector<pii> vii; 
typedef vector<LL> vl; 
typedef vector<vl> vvl;
typedef queue<int> qi;
typedef queue<char> qc;
typedef stack<int> si;
typedef stack<char> sc;
#define F first
#define S second
#define PB push_back

int costs[1000001];
int dp[1000001];
int count=0;

int frog(int i, int n){
    count++
    if(i == n) return dp[i] = 0;
    if(dp[i] != -1) return dp[i];
    int cost = abs(costs[i] - costs[i + 1]) + frog(i+1, n);
    if(i + 2 <= n){
        cost = min(cost, abs(costs[i] - costs[i+2]) + frog(i + 2, n));
    }

    return dp[i] = cost;
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n;
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> costs[i];
    } //cost for a jump = abs(h.i - h.j)
      //find minimum cost

    memset(dp, -1, sizeof(dp));
    cout << frog(1, n)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int frog(int, int)':
a.cc:26:5: error: reference to 'count' is ambiguous
   26 |     count++
      |     ^~~~~
In file included from /usr/include/c++/14/algorithm:86,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:101:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, typename std::iterator_traits<_II>::difference_type> std::count(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
  101 | count(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~~
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:4025:5: note:                 'template<class _IIter, class _Tp> typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::count(_IIter, _IIter, const _Tp&)'
 4025 |     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
      |     ^~~~~
a.cc:23:5: note:                 'int count'
   23 | int count=0;
      |     ^~~~~
Language: Java

import java.util.*;
public class Main {
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    int n = in.nextInt();
    int[] h = new int[n];
    int[] dp = new int[n];
    dp[0] = 0;
    dp[1] = Math.abs(h[0] - h[1]);
    for (int i = 2; i < n; i++) {
      int x = Math.abs(h[i] - h[i - 2]);
      int y = Math.abs(h[i] - h[i - 1]);
      dp[i] = Math.min(dp[i-2] + x,dp[i-1] + y));
    }
    System.out.println(dp[n-1]);
  }
}

Compiler output:
Main.java:13: error: ';' expected
      dp[i] = Math.min(dp[i-2] + x,dp[i-1] + y));
                                               ^
1 error
Language: Java

import java.util.*;
    public class Main {
      public static void main(String[] args) {
       	Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] h = new int[n];
        int[] dp = new int[n+1];
        dp[0] = 0;
        dp[1] = Math.abs(h[0] - h[1]);
        for (int i = 2; i < n; i++) {
          int x = Math.abs(h[i] - h[i - 2]);
          int y = Math.abs(h[i] - h[i - 1])
          dp[i] = Math.min(dp[i-2] + x,dp[i-1] + y));
        }
        System.out.println(dp[n]);
      }
    }

Compiler output:
Main.java:12: error: ';' expected
          int y = Math.abs(h[i] - h[i - 1])
                                           ^
Main.java:13: error: ';' expected
          dp[i] = Math.min(dp[i-2] + x,dp[i-1] + y));
                                                   ^
2 errors
Language: Java

    import java.util.*;
    public class Main{
     	public static void main(String args[]){
        	Scanner s = new Scanner(System.in);
         	int n = s.nextInt();
          	int [] h = new int[n];
          for(int i =0;i<n;i++){
          	h[i]=s.nextInt();
          }
          int [] dp = new int [n+1];
          
          Arrays.fill(dp,Integer.MAX_VALUE);
          dp[1]=0;
          
          
          for(int i =2;i<=n;i++){
            dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1]),dp[i]));
            dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2]),dp[i]));               
        }
                   System.out.println( dp[n]);
     
     }  
    }

Compiler output:
Main.java:17: error: ';' expected
            dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1]),dp[i]));
                                                               ^
Main.java:18: error: ';' expected
            dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2]),dp[i]));               
                                                               ^
2 errors
Language: Java

    import java.util.*;
    public class Main{
     	public static void main(String args[]){
        	Scanner s = new Scanner(System.in);
         	int n = s.nextInt();
          	int [] h = new int[n];
          for(int i =0;i<n;i++){
          	h[i]=s.nextInt();
          }
          int [] dp = new int [n+1];
          
          Arrays.fill(dp,Integer.MAX_VALUE);
          dp[1]=0;
          
          
          for(int i =2;i<=n;i++){
            dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1],dp[i]));
            dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2],dp[i]));               
        }
                   System.out.println( dp[n]);
     
     }  
    }

Compiler output:
Main.java:17: error: no suitable method found for abs(int,int)
            dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1],dp[i]));
                                       ^
    method Math.abs(int) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(long) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(float) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(double) is not applicable
      (actual and formal argument lists differ in length)
Main.java:18: error: no suitable method found for abs(int,int)
            dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2],dp[i]));               
                                       ^
    method Math.abs(int) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(long) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(float) is not applicable
      (actual and formal argument lists differ in length)
    method Math.abs(double) is not applicable
      (actual and formal argument lists differ in length)
2 errors
Language: Java

    import java.util.*;
    public class Main{
     	public static void main(String args[]){
        	Scanner s = new Scanner(System.in);
         	int n = s.nextInt();
          	int [] h = new int[n];
          for(int i =0;i<n;i++){
          	h[i]=s.nextInt();
          }
          int [] dp = new int [n+1];
          
          Arrays.fill(Integer.MAX_VALUE);
          dp[1]=0;
          
          
          for(int i =2;i<=n;i++){
            dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1],dp[i]));
            dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2],dp[i]));               
        }
                   return dp[n];
     
     }  

Compiler output:
Main.java:22: error: reached end of file while parsing
     }  
      ^
1 error
Language: Java

    import java.util.*;
    public class Main{
     	public static void main(String args[]){
        	Scanner s = new Scanner(System.in);
         	int n = s.nextInt();
          	int [] h = new int[n];
          for(int i =0;i<n;i++){
          	h[i]=s.nextInt();
          }
          int [] dp = new int [n+1];
          
          Arrays.fill(Integer.MAX_VALUE);
          dp[1]=0;
          
          for(int i =0; 
          for(int i =2;i<=n;i++){
            dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1],dp[i]));
            dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2],dp[i]));               
        }
                   return dp[n];
     
     }  

Compiler output:
Main.java:16: error: illegal start of expression
          for(int i =2;i<=n;i++){
          ^
Main.java:22: error: reached end of file while parsing
     }  
      ^
2 errors
Language: Java

import java.util.*;
public class Main{
 	public static void main(String args[]){
    	Scanner s = new Scanner(System.in);
     	int n = s.nextInt();
      	int [] h = new int[n];
      for(int i =0;i<n;i++){
      	h[i]=s.nextInt();
      }
      int [] dp = new int [n+1];
      
      Arrays.fill(Integer.MAX_VALUE);
      dp[1]=0;
      
      for(int i =0; 
      for(int i =2;i<=n;i++){
        dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1],dp[i]);
        dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2],dp[i]);               
    }
                       return dp[n];
 
 }  

Compiler output:
Main.java:16: error: illegal start of expression
      for(int i =2;i<=n;i++){
      ^
Main.java:17: error: ')' or ',' expected
        dp[i]=Math.min(dp[i-1]+Math.abs(h[i]-h[i-1],dp[i]);
                                                          ^
Main.java:18: error: ')' or ',' expected
        dp[i]=Math.min(dp[i-2]+Math.abs(h[i]-h[i-2],dp[i]);               
                                                          ^
Main.java:22: error: reached end of file while parsing
 }  
  ^
4 errors
Language: Java

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

public static void main (String[] args)
	{
	    Scanner s=new Scanner(System.in);
	    int n=s.nextInt();
	    int[]arr=new int[n];
	    for(int i=0;i<n;i++){
	        arr[i]=s.nextInt();
	    }
	    int dp[]=new int[n+1];
	    dp[0]=0;
	    dp[1]=0;
	    dp[2]=arr[1]-arr[0];
	    for(int i=2;i<n;i++){
	        int op1=Math.abs(arr[i]-arr[i-2]);
	        int op2=Math.abs(arr[i]-arr[i-1]);
	        dp[i+1]=Math.min(dp[i]+op2,dp[i-1]+op1);
	    }
	    System.out.println(dp[n]);
	    
	}


Compiler output:
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
public static void main (String[] args)
              ^
  (use --enable-preview to enable unnamed classes)
1 error