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

#include<bits/stdc++.h>
using namespace std;
int dp[1000000];
int a[1000000];
int getans(int i,int n)
{
    if(i==n)
    {
        return 0;
    }
    if(dp[i]!-1)
    {
        return dp[i];
    }
    int cost=abs(a[i]-a[i+1])+getans(i+1,n);
    if(i+2<=n)
    {
         cost=min(cost,abs(a[i]-a[i+2])+getans(i+2,n));
        //return cost;
    }
    return cost;
 // return dp[i];
}
int main()
{
    int n;
    cin>>n;
   // int a[n];
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
    memset(dp,-1,sizeof(dp));
    int ans=getans(1,n);
    cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int getans(int, int)':
a.cc:11:13: error: expected ')' before '!' token
   11 |     if(dp[i]!-1)
      |       ~     ^
      |             )
Language: Java

package AtCoder.dp;

import java.io.*;
import java.util.Arrays;
import java.util.StringTokenizer;

public class A_Frog1 {
    public static void main(String[] args) {
        MyScanner sc = new MyScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        int N = sc.nextInt();
        int[] h = new int[N];
        for(int i = 0; i < N; i++) {
            h[i] = sc.nextInt();
        }
        int[] dp = new int[N];
        Arrays.fill(dp, Integer.MAX_VALUE);
        dp[0] = 0;
        for(int i = 0; i < N; i++) {
            for(int j : new int[]{i + 1, i + 2}) {
                if(j < N) {
                    dp[j] = Math.min(dp[j], dp[i] + Math.abs(h[j] - h[i]));
                }
            }
        }
        System.out.println(dp[N-1]);
        out.close();
    }

    public static PrintWriter out;

    public static class MyScanner {
        BufferedReader br;
        StringTokenizer st;

        public MyScanner() {
            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;
        }

    }
}


Compiler output:
Main.java:7: error: class A_Frog1 is public, should be declared in a file named A_Frog1.java
public class A_Frog1 {
       ^
1 error
Language: Java

import java.io.*;
import java.util.Arrays;
import java.util.StringTokenizer;

public class A_Frog1 {
    public static void main(String[] args) {
        MyScanner sc = new MyScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        int N = sc.nextInt();
        int[] h = new int[N];
        for(int i = 0; i < N; i++) {
            h[i] = sc.nextInt();
        }
        int[] dp = new int[N];
        Arrays.fill(dp, Integer.MAX_VALUE);
        dp[0] = 0;
        for(int i = 0; i < N; i++) {
            for(int j : new int[]{i + 1, i + 2}) {
                if(j < N) {
                    dp[j] = Math.min(dp[j], dp[i] + Math.abs(h[j] - h[i]));
                }
            }
        }
        System.out.println(dp[N-1]);
        out.close();
    }

    public static PrintWriter out;

    public static class MyScanner {
        BufferedReader br;
        StringTokenizer st;

        public MyScanner() {
            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;
        }

    }
}


Compiler output:
Main.java:5: error: class A_Frog1 is public, should be declared in a file named A_Frog1.java
public class A_Frog1 {
       ^
1 error
Language: C

#include<iostream>
#include<vector>
using namespace std;
typedef long long int ll;
 
vector<int>a,dp;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); 
    ll n;cin>>n;
    a.resize(n);
    dp.resize(n,1e9);
    for (int i=0;i<n;i++){
        cin>>a[i];
    }
    dp[0]= 0;
    dp[1]= abs(a[0]-a[1]);
    //dp[2]= min(abs((a[0]-a[2])),abs(a[1]-a[2]));
    for (int i=2;i<n;i++){
        dp[i]=min(abs(a[i]-a[i-1])+dp[i-1],abs(a[i]-a[i-2])+dp[i-2]);
    }
    cout<<dp[n-1]<<endl;
    return 0;
}

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

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

vector<long long int> a,dp;
 int main(){
    long long int N ; cin>>N;
    a.resize(N);
    dp.resize(n,1e9);
    // memset(dp,0,sizeof(dp));
    for (int i =0;i<N;++i){
        cin>>a[i];
    }
    dp[0]= a[0];
    dp[1] =abs(a[1]-a[0]);
    for (int i =2; i<N;++i){
        dp[i]= min((abs(a[i]-a[i-1])+dp[i-1]),(abs(a[i]-a[i-2])+dp[i-2]));
    }
    // for (int j=0;j<N;++j){
    //     cout<<dp[j]<<" ";
    // }
    cout<<dp[N-1]<<endl;
    return 0;
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: 'n' was not declared in this scope
    8 |     dp.resize(n,1e9);
      |               ^
Language: C++

#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;
using namespace std;

#define ff              first
#define ss              second
#define int             long long
#define pb              push_back
#define mp              make_pair
#define pii             pair<int,int>
#define vi              vector<int>
#define mii             map<int,int>
#define pqb             priority_queue<int>
#define pqs             priority_queue<int,vi,greater<int> >
#define setbits(x)      __builtin_popcountll(x)
#define zrobits(x)      __builtin_ctzll(x)
#define mod             1000000007
#define inf             1e18
#define ps(x,y)         fixed<<setprecision(y)<<x
#define mk(arr,n,type)  type *arr=new type[n];
#define w(x)            int x; cin>>x; while(x--)
mt19937                 rng(chrono::steady_clock::now().time_since_epoch().count());

//typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;
int32_t main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
        
        int n;
      cin>>n;
      int a[n];
      int dp[n];
      dp[0]=0;
      for(int i=0;i<n;i++){
        cin>>a[i];
      }
        dp[1]=abs(a[1]-a[0]);
         for(int i=2;i<n;i++){
           dp[i]=min(dp[i-1]+abs(a[i]-a[i-1],dp[i-2]+abs(a[i]-a[i-2]);
        
      }
        
       cout<<dp[n-1]; 
        
        
    
    return 0;
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:40:70: error: expected ')' before ';' token
   40 |            dp[i]=min(dp[i-1]+abs(a[i]-a[i-1],dp[i-2]+abs(a[i]-a[i-2]);
      |                                 ~                                    ^
      |                                                                      )
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long p=1e11;
int main()
{
  long long n;
  cin>>n;
  long long a[n+1];
  for(ll i=1;i<n;i++)
    cin>>a[i];
  a[0]=0;
  long long dp[n+1];
  memset(dp,p,sizeof(dp));
  dp[0]=0;
  for(ll i=1;i<=n;i++)
  {
    for(ll j=1;j<=2;j++)
    {
      if(i-j>=0)
        dp[i]=min(dp[i],(dp[i-j]+abs(a[i-j]-a[i])));
    }
  }
  cout<<dp[n]<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'll' was not declared in this scope
    9 |   for(ll i=1;i<n;i++)
      |       ^~
a.cc:9:14: error: 'i' was not declared in this scope
    9 |   for(ll i=1;i<n;i++)
      |              ^
a.cc:15:7: error: 'll' was not declared in this scope
   15 |   for(ll i=1;i<=n;i++)
      |       ^~
a.cc:15:14: error: 'i' was not declared in this scope
   15 |   for(ll i=1;i<=n;i++)
      |              ^
a.cc:17:11: error: expected ';' before 'j'
   17 |     for(ll j=1;j<=2;j++)
      |           ^~
      |           ;
a.cc:17:16: error: 'j' was not declared in this scope
   17 |     for(ll j=1;j<=2;j++)
      |                ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long p=1e11;
int main()
{
  long long n;
  long long dp[n+1];
  memset(dp,p,sizeof(dp));
  dp[0]=0;
  for(ll i=1;i<=n;i++)
  {
    for(ll j=1;j<=2;j++)
    {
      if(i-j>=0)
        dp[i]=min(dp[i],(dp[i-j]+abs(a[i-j]-a[i])));
    }
  }
  cout<<dp[n]<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: 'll' was not declared in this scope
   10 |   for(ll i=1;i<=n;i++)
      |       ^~
a.cc:10:14: error: 'i' was not declared in this scope
   10 |   for(ll i=1;i<=n;i++)
      |              ^
a.cc:12:11: error: expected ';' before 'j'
   12 |     for(ll j=1;j<=2;j++)
      |           ^~
      |           ;
a.cc:12:16: error: 'j' was not declared in this scope
   12 |     for(ll j=1;j<=2;j++)
      |                ^
a.cc:15:38: error: 'a' was not declared in this scope
   15 |         dp[i]=min(dp[i],(dp[i-j]+abs(a[i-j]-a[i])));
      |                                      ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int min (int a, int b){
	if (a<b) return a;
  	else return b;
}
int main (){
	int n; cin >> n;
  	vector<int> a(n);
  	for(int i=0;i<n;i++){cin>>a[i];}
  	if (n==1){cout << 0; return 0;}
  	if (n==2){cout << abs(a[0] - a[1]); return 0;}
  	vector<int> dp(n);
  	dp[n-1]=0;
  	dp[n-2]=abs(a[n-2]-a[n-1]);
  	for(int i=n-3;i>=0;i--){
    	dp[i] = min{dp[i+1] + abs(a[i+1] - a[i])
                    , dp[i+2] + abs(a[i+2] - a[i])};
    }
  	cout << dp[0];
}



Compiler output:
a.cc: In function 'int main()':
a.cc:17:17: error: cannot resolve overloaded function 'min' based on conversion to type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   17 |         dp[i] = min{dp[i+1] + abs(a[i+1] - a[i])
      |                 ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main (){
	int n; cin >> n;
  	vector<int> a(n);
  	for(int i=0;i<n;i++){cin>>a[i]}
  	if (n==1){cout << 0; return 0;}
  	if (n==2){cout << abs(a[0] - a[1]); return 0;}
  	vector<int> dp(n);
  	dp[n-1]=0;
  	dp[n-2]=abs(a[n-2]-a[n-1]);
  	for(int i=n-3;i>=0;i--){
    	dp[i] = min{dp[i+1] + abs(a[i+1] - a[i])
                    , dp[i+2] + abs(a[i+2] - a[i])};
    }
  	cout << dp[0];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:39: error: expected ';' before '}' token
    6 |         for(int i=0;i<n;i++){cin>>a[i]}
      |                                       ^
      |                                       ;
a.cc:13:17: error: cannot resolve overloaded function 'min' based on conversion to type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   13 |         dp[i] = min{dp[i+1] + abs(a[i+1] - a[i])
      |                 ^~~
Language: C++

/*There's a possibility*/
/*but stop sucking first*/
#define dbg(...) ; 
#define db(...) ; 
#include "bits/stdc++.h"
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL)
#define f(i,a,b) for(i=a;i<b;i++)
#define fr(i,a,b) for(i=a;i>=b;i--)
#define endl '\n'
#define tst cout<<'*';
#define ll long long int
#define ff first
#define ss second
#define pb push_back
#define pf push_front
using namespace std;

int main()
{
    fast;
    int n,i;
    cin>>n;
    int h[n],dp[n+1];
    f(i,0,n)
        cin>>h[i];
    dp[0]=0,dp[1]=abs(h[a1]-h[0]);
    f(i,2,n)
        dp[i]=min(abs(h[i]-h[i-1])+dp[i-1], abs(h[i]-h[i-2])+dp[i-2]);
    cout<<dp[n-1];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:25: error: 'a1' was not declared in this scope; did you mean 'y1'?
   26 |     dp[0]=0,dp[1]=abs(h[a1]-h[0]);
      |                         ^~
      |                         y1
Language: C++


int frog (int n, vector<int>& array) {
  vector<int> dp(n-1);
  dp[0] = 0;
  dp[1] = abs(array[1] - array[0]);
  for (int i = 2; i < n; i++) {
    dp[i] = min(abs(dp[i] - dp[i-1]),abs(dp[i] - dp[i-2]));
  }
  return dp[n-1];
  
}

Compiler output:
a.cc:2:18: error: 'vector' has not been declared
    2 | int frog (int n, vector<int>& array) {
      |                  ^~~~~~
a.cc:2:24: error: expected ',' or '...' before '<' token
    2 | int frog (int n, vector<int>& array) {
      |                        ^
a.cc: In function 'int frog(int, int)':
a.cc:3:3: error: 'vector' was not declared in this scope
    3 |   vector<int> dp(n-1);
      |   ^~~~~~
a.cc:3:10: error: expected primary-expression before 'int'
    3 |   vector<int> dp(n-1);
      |          ^~~
a.cc:4:3: error: 'dp' was not declared in this scope
    4 |   dp[0] = 0;
      |   ^~
a.cc:5:15: error: 'array' was not declared in this scope
    5 |   dp[1] = abs(array[1] - array[0]);
      |               ^~~~~
a.cc:5:11: error: 'abs' was not declared in this scope
    5 |   dp[1] = abs(array[1] - array[0]);
      |           ^~~
a.cc:7:13: error: 'min' was not declared in this scope
    7 |     dp[i] = min(abs(dp[i] - dp[i-1]),abs(dp[i] - dp[i-2]));
      |             ^~~
Language: C++

#include<iostream>
using namespace std;
int n,a[100000];

int ans2(int i)
{
	if(i==n-1)
		return 0;

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

	int p = abs(a[i]-a[i+1]) + ans(i+1);
	int q = abs(a[i]-a[i+2]) +ans(i+2);

	return min(p,q);
}

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

	cout<<ans2(0);

	return 0;
}

Compiler output:
a.cc: In function 'int ans2(int)':
a.cc:13:36: error: 'ans' was not declared in this scope; did you mean 'ans2'?
   13 |         int p = abs(a[i]-a[i+1]) + ans(i+1);
      |                                    ^~~
      |                                    ans2
Language: C++

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

#define FIO                           \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);                    \
    cout.tie(NULL);

int dp[100009];
int n;
int a[100009];


int solve(int ind)
{
    if (ind == (n - 1))
        return 0;
    if (ind >= n)
        return INT_MAX;

    //if found then return
    if (dp[ind] != 0)
        return dp[ind];

    int ans = abs(a[ind] - a[ind + 1]) + minCost(ind + 1, dp, a, n);
    if (ind + 2 < n)
        ans = min(ans, abs(a[ind] - a[ind + 2]) + minCost(ind + 2, dp, a, n));

    return dp[n] = ans;
}

int main()
{
    FIO;
    cin >> n;
    memset(dp, 0, sizeof(dp));
    for (int i = 0; i < n; i++)
        cin >> a[i];

    cout << solve(0) << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int solve(int)':
a.cc:25:42: error: 'minCost' was not declared in this scope
   25 |     int ans = abs(a[ind] - a[ind + 1]) + minCost(ind + 1, dp, a, n);
      |                                          ^~~~~~~
Language: C++

#include<iostream>
#include<climits>
#include<cstring>
using namespace std;

int helper(int arr[], int n, int i,int dp[]) {
	if (i == n - 1)
		return 0;
	if (i >= n)
		return INT_MAX;
	
	if(dp[i]!=-1)
	  return dp[i];

	//int ansFromJump2 = INT_MAX;
	int ansFromJump1 = abs(arr[i] - arr[i + 1]) + helper(arr, n, i + 1,dp);
	if (i + 2 < n)
		int ansFromJump2 = abs(arr[i] - arr[i + 2]) + helper(arr, n, i + 2,dp);

	return dp[i] = min(ansFromJump1, ansFromJump2);

}

int main() {
	int n;
	cin >> n;
	int arr[100005];
	for (int i = 0; i < n; i++)
		cin >> arr[i];

    int dp[100005];
    memset(dp,-1,sizeof dp);
	cout << helper(arr, n, 0,dp) << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int helper(int*, int, int, int*)':
a.cc:20:42: error: 'ansFromJump2' was not declared in this scope; did you mean 'ansFromJump1'?
   20 |         return dp[i] = min(ansFromJump1, ansFromJump2);
      |                                          ^~~~~~~~~~~~
      |                                          ansFromJump1
Language: Java

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

public class Main implements Runnable 
{
	private boolean console=false;
	
	public void solve() 
	{
		int i;
		int n=in.ni();
		int h[]=new int[n];
		for(i=0;i<n;i++)
			h[i]=in.ni();
		int dp[]=new int[n];
		//Arrays.fill(dp, );
		for(i=0;i<n;i++)
		{
			if(i-1>=0&&i-2>=0)
				dp[i]+=Math.min(Math.abs(h[i-2]-h[i])+dp[i-2],Math.abs(h[i-1]-h[i])+dp[i-1]);
			else if(i-1>=0)
				dp[i]+=Math.abs(h[i-1]-h[i]+dp[i-1]);
		}
		out.println(dp[n-1]);
	}
	@Override
	public void run() {
		try {  init();  } 
		catch (FileNotFoundException e) {  e.printStackTrace();   }

		int t= 1;

		while (t-->0) {
			solve();
			out.flush(); }
	}
	private FastInput in;    private PrintWriter out;
	public static void main(String[] args) throws Exception {	 new Main.run();	 }

	private void init() throws FileNotFoundException {
		InputStream inputStream = System.in; 	 OutputStream outputStream = System.out;
		try {  if (!console && System.getProperty("user.name").equals("sachan")) {
			outputStream = new FileOutputStream("/home/sachan/Desktop/output.txt");
			inputStream = new FileInputStream("/home/sachan/Desktop/input.txt");   	}
		}	catch (Exception ignored) {	}
		out = new PrintWriter(outputStream); 	 in = new FastInput(inputStream);
	}
	static class FastInput { InputStream obj;
	public FastInput(InputStream obj) {	this.obj = obj;	}
	byte inbuffer[] = new byte[1024];  int lenbuffer = 0, ptrbuffer = 0;
	int readByte() { if (lenbuffer == -1) throw new InputMismatchException();
	if (ptrbuffer >= lenbuffer) { ptrbuffer = 0;
	try { lenbuffer = obj.read(inbuffer);  }
	catch (IOException e) { throw new InputMismatchException(); } }    
	if (lenbuffer <= 0) return -1;return inbuffer[ptrbuffer++]; }

	String ns() { int b = skip();StringBuilder sb = new StringBuilder();
	while (!(isSpaceChar(b)))	  { sb.appendCodePoint(b);b = readByte(); }return sb.toString();}

	int ni() { int num = 0, b;boolean minus = false;
	while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')) ;
	if (b == '-') { minus = true;b = readByte(); }
	while (true) { if (b >= '0' && b <= '9') { num = num * 10 + (b - '0'); } else {
		return minus ? -num : num; }b = readByte(); }}

	long nl() { long num = 0;int b;boolean minus = false;
	while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')) ;
	if (b == '-') { minus = true;b = readByte(); }
	while (true) { if (b >= '0' && b <= '9') { num = num * 10L + (b - '0'); } else {
		return minus ? -num : num; }b = readByte(); } }

	boolean isSpaceChar(int c) { return (!(c >= 33 && c <= 126)); }
	int skip() { int b;while ((b = readByte()) != -1 && isSpaceChar(b)) ;return b; }
	float nf() {return Float.parseFloat(ns());}
	double nd() {return Double.parseDouble(ns());}
	char nc() {return (char) skip();}
	}
}


Compiler output:
Main.java:38: error: cannot find symbol
	public static void main(String[] args) throws Exception {	 new Main.run();	 }
	                                                         	         ^
  symbol:   class run
  location: class Main
1 error
Language: Java

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

class Main implements Runnable 
{
	private boolean console=false;
	
	public void solve() 
	{
		int i;
		int n=in.ni();
		int h[]=new int[n];
		for(i=0;i<n;i++)
			h[i]=in.ni();
		int dp[]=new int[n];
		//Arrays.fill(dp, );
		for(i=0;i<n;i++)
		{
			if(i-1>=0&&i-2>=0)
				dp[i]+=Math.min(Math.abs(h[i-2]-h[i])+dp[i-2],Math.abs(h[i-1]-h[i])+dp[i-1]);
			else if(i-1>=0)
				dp[i]+=Math.abs(h[i-1]-h[i]+dp[i-1]);
		}
		out.println(dp[n-1]);
	}
	@Override
	public void run() {
		try {  init();  } 
		catch (FileNotFoundException e) {  e.printStackTrace();   }

		int t= 1;

		while (t-->0) {
			solve();
			out.flush(); }
	}
	private FastInput in;    private PrintWriter out;
	public static void main(String[] args) throws Exception {	 new Main.run();	 }

	private void init() throws FileNotFoundException {
		InputStream inputStream = System.in; 	 OutputStream outputStream = System.out;
		try {  if (!console && System.getProperty("user.name").equals("sachan")) {
			outputStream = new FileOutputStream("/home/sachan/Desktop/output.txt");
			inputStream = new FileInputStream("/home/sachan/Desktop/input.txt");   	}
		}	catch (Exception ignored) {	}
		out = new PrintWriter(outputStream); 	 in = new FastInput(inputStream);
	}
	static class FastInput { InputStream obj;
	public FastInput(InputStream obj) {	this.obj = obj;	}
	byte inbuffer[] = new byte[1024];  int lenbuffer = 0, ptrbuffer = 0;
	int readByte() { if (lenbuffer == -1) throw new InputMismatchException();
	if (ptrbuffer >= lenbuffer) { ptrbuffer = 0;
	try { lenbuffer = obj.read(inbuffer);  }
	catch (IOException e) { throw new InputMismatchException(); } }    
	if (lenbuffer <= 0) return -1;return inbuffer[ptrbuffer++]; }

	String ns() { int b = skip();StringBuilder sb = new StringBuilder();
	while (!(isSpaceChar(b)))	  { sb.appendCodePoint(b);b = readByte(); }return sb.toString();}

	int ni() { int num = 0, b;boolean minus = false;
	while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')) ;
	if (b == '-') { minus = true;b = readByte(); }
	while (true) { if (b >= '0' && b <= '9') { num = num * 10 + (b - '0'); } else {
		return minus ? -num : num; }b = readByte(); }}

	long nl() { long num = 0;int b;boolean minus = false;
	while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')) ;
	if (b == '-') { minus = true;b = readByte(); }
	while (true) { if (b >= '0' && b <= '9') { num = num * 10L + (b - '0'); } else {
		return minus ? -num : num; }b = readByte(); } }

	boolean isSpaceChar(int c) { return (!(c >= 33 && c <= 126)); }
	int skip() { int b;while ((b = readByte()) != -1 && isSpaceChar(b)) ;return b; }
	float nf() {return Float.parseFloat(ns());}
	double nd() {return Double.parseDouble(ns());}
	char nc() {return (char) skip();}
	}
}


Compiler output:
Main.java:38: error: cannot find symbol
	public static void main(String[] args) throws Exception {	 new Main.run();	 }
	                                                         	         ^
  symbol:   class run
  location: class Main
1 error
Language: Java






import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.reflect.Array;
import java.util.*;

public class dsal2 {
    static int c=0;
    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)throws IOException {
        FastReader fr=new FastReader();
        int n=fr.nextInt();
        int arr[]=new int[n];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = fr.nextInt();
        }
        int sums[]=new int[n];
        sums[0]=arr[0];
        sums[1]=Math.abs(arr[0]-arr[1]);
        for(int i=2;i<n;i++)
        {
            sums[i]=Math.min(arr[i-2]+Math.abs(sums[i-2]-arr[i]),arr[i-1]+Math.abs(sums[i-1]-arr[i]));
        }
        System.out.println(sums[n-1]);

    }




}


Compiler output:
Main.java:12: error: class dsal2 is public, should be declared in a file named dsal2.java
public class dsal2 {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define intl long long int
int main()
{
	intl n;
	cin>>n;
	intl a[n+1];
	for(intl i=1;i<=n;i++)
	{
		cin>>a[i];
	}

	intl dp[n+1];
	dp[1]=0;
	dp[2]=abs(a[i]-a[i-1]);
	for(intl i=3;i<=n;i++)
	{
		dp[i]=min(dp[i-1]+abs(a[i]-a[i-1]),dp[i-2]+abs(a[i]-a[i-2]));
	}
	cout<<dp[n];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:21: error: 'i' was not declared in this scope
   16 |         dp[2]=abs(a[i]-a[i-1]);
      |                     ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:15:62: error: expected ')' before ';' token
   15 |           dp[i] = min(dp[i], dp[i - j] + abs(h[i] - h[i - j]);
      |                      ~                                       ^
      |                                                              )
Language: C++

#include <iostream>

void main() {
  int num;
  cin >> num;
  vector<int> nums;
  for (int i = 0; i < num; i++){
  	int tmp;
    cin >> tmp;
    nums.push_back(tmp);
  }
  for (auto i: nums) {
    cout<< i;
  }
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> num;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector<int> nums;
      |   ^~~~~~
a.cc:6:10: error: expected primary-expression before 'int'
    6 |   vector<int> nums;
      |          ^~~
a.cc:10:5: error: 'nums' was not declared in this scope; did you mean 'num'?
   10 |     nums.push_back(tmp);
      |     ^~~~
      |     num
a.cc:12:16: error: 'nums' was not declared in this scope; did you mean 'num'?
   12 |   for (auto i: nums) {
      |                ^~~~
      |                num
a.cc:13:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   13 |     cout<< i;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

#include <stdio.h>
#include <iostream>
#include <vector>
#include <unordered_set>
#include <string>
#include <sstream>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <set>
#include <algorithm>
#include <functional>
#include <math.h>

using namespace std;

namespace
{
	int solve(std::vector<int>& h, int sum, int index, std::vector<int>& memo)
	{
		int ret;
		if (index >= h.size())
		{
			return sum;
		}
		if (memo[index] != -1)
		{
			return sum + memo[index];
		}

		if (index < h.size() - 2)
		{
			ret = min(solve(h, sum + abs(h[index] - h[index + 1]), index + 1, memo), solve(h, sum + abs(h[index] - h[index + 2]), index + 2, memo));
		}
		else if(index < h.size() - 1)
		{
			ret = (solve(h, sum + abs(h[index] - h[index + 1]), index + 1, memo));
		}
		else
		{
			return sum;
		}
		memo[index] = ret - sum;
		return ret;
	}
}
int main()
{
	int N;
	std::cin >> N;

	std::vector<int> h;
	for (int i = 0; i < N; i++)
	{
		int in;
		cin >> in;
		h.push_back(in);
	}
	std::vector<int> memo(N, -1);
	int sol = solve(h, 0, 0, memo);

	std::cout << sol;
	return 0;
}

Compiler output:
main.c:2:10: fatal error: iostream: No such file or directory
    2 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

dp[1e5];

void main() {
  int n;
  cin >> n;
	h[n+1];	
  cin >> h[i+1];
  h[1]=0;
  h[2]=abs(h[2]-h[1]);
  for(j=3; j<=n; j++) {
  	h[j] = max(h[j-1]+abs(h[j]-h[j-1]), h[j-2]+abs(h[j]-h[j-2]));
  }
  return h[n];
}

Compiler output:
a.cc:1:1: error: 'dp' does not name a type
    1 | dp[1e5];
      | ^~
a.cc:3:1: error: '::main' must return 'int'
    3 | void main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> n;
      |   ^~~
a.cc:6:9: error: 'h' was not declared in this scope
    6 |         h[n+1];
      |         ^
a.cc:7:12: error: 'i' was not declared in this scope
    7 |   cin >> h[i+1];
      |            ^
a.cc:9:8: error: 'abs' was not declared in this scope
    9 |   h[2]=abs(h[2]-h[1]);
      |        ^~~
a.cc:10:7: error: 'j' was not declared in this scope
   10 |   for(j=3; j<=n; j++) {
      |       ^
a.cc:11:16: error: 'max' was not declared in this scope
   11 |         h[j] = max(h[j-1]+abs(h[j]-h[j-1]), h[j-2]+abs(h[j]-h[j-2]));
      |                ^~~
Language: C++

#include<bits/stdc++.h>
#include<iostream>
#include<algorithm>
#include<vector>
#include<math.h>
#include<map>
 
using namespace std;
#define mod 1000000007
#define ll long long 
 
 
 
 
int arr[100009];
int dp[100009];
int n;
int solve(int idx ){
      if(idx==n-1){
return 0;}
if(dp[idx]!=-1){
return dp[idx];
}
int ans=solve(idx+1)+abs(arr[idx+1]-arr[idx]);
if(idx+2<n){
ans=min(ans,solve(idx+2)+abs(arr[idx+2]-arr[idx]);
 }
return dp[idx]=ans;
}

int main() {
 
	memset(dp, -1, sizeof(dp));
	cin>>n;
 
	for(int i = 0; i < n; i++) {
		scanf("%d", &arr[i]);
	}
 
	cout<<solve(0)<<endl;
 
	return 0;
}



Compiler output:
a.cc: In function 'int solve(int)':
a.cc:26:50: error: expected ')' before ';' token
   26 | ans=min(ans,solve(idx+2)+abs(arr[idx+2]-arr[idx]);
      |        ~                                         ^
      |                                                  )
Language: C++

#include <iostream>
#include <cmath>

#define INF 2147483637

int main(){
	int n;
	int d[100005] = {INF};
	int h[100005] = {0};
	std::cin >> n;
	for(int i = 1; i <= n; i++){
		std::cin >> h[i];
	}
	
	
	d[2] = 0;
	d[1] = 0;
	for(int i = 3#include <iostream>
#include <cmath>

#define INF 2147483637

int main(){
	int n;
	int d[100005] = {INF};
	int h[100005] = {0};
	std::cin >> n;
	for(int i = 1; i <= n; i++){
		std::cin >> h[i];
	}
	
	
	d[2] = 0;
	d[1] = 0;
	for(int i = 3; i <= n; i++){
		d[i] = std::min(d[i - 1] + std::abs(h[i] - h[i - 1]), d[i - 2] + std::abs(h[i] - h[i - 2]));	
	}
	
	std::cout << d[n] << '\n';
	
	return 0;
}i <= n; i++){
		d[i] = std::min(d[i - 1] + std::abs(h[i] - h[i - 1]), d[i - 2] + std::abs(h[i] - h[i - 2]));	
	}
	
	std::cout << d[n] << '\n';
	
	return 0;
}

Compiler output:
a.cc:18:22: error: stray '#' in program
   18 |         for(int i = 3#include <iostream>
      |                      ^
a.cc: In function 'int main()':
a.cc:18:22: error: expected ';' before 'include'
   18 |         for(int i = 3#include <iostream>
      |                      ^~~~~~~~
      |                      ;
a.cc:18:23: error: 'include' was not declared in this scope
   18 |         for(int i = 3#include <iostream>
      |                       ^~~~~~~
a.cc:18:32: error: 'iostream' was not declared in this scope; did you mean 'std::iostream'?
   18 |         for(int i = 3#include <iostream>
      |                                ^~~~~~~~
      |                                std::iostream
In file included from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/iosfwd:146:41: note: 'std::iostream' declared here
  146 |   typedef basic_iostream<char>          iostream;
      |                                         ^~~~~~~~
a.cc:23:1: error: expected primary-expression before 'int'
   23 | int main(){
      | ^~~
a.cc:18:41: error: expected ';' before 'int'
   18 |         for(int i = 3#include <iostream>
      |                                         ^
      |                                         ;
......
   23 | int main(){
      | ~~~                                      
a.cc:23:1: error: expected primary-expression before 'int'
   23 | int main(){
      | ^~~
a.cc:18:41: error: expected ')' before 'int'
   18 |         for(int i = 3#include <iostream>
      |            ~                            ^
      |                                         )
......
   23 | int main(){
      | ~~~                                      
a.cc:23:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   23 | int main(){
      |         ^~
a.cc:23:9: note: remove parentheses to default-initialize a variable
   23 | int main(){
      |         ^~
      |         --
a.cc:23:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:23:11: error: a function-definition is not allowed here before '{' token
   23 | int main(){
      |           ^
a.cc:42:2: error: 'i' was not declared in this scope
   42 | }i <= n; i++){
      |  ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  vector <int> v(n,0);
  vector <int> ans(n,0);
  for(int i=0;i<n;i++) cin>>v[i];
  for(int i=1;i<n;i++)
  {
    if(i==1) ans[i]=abs(v[i]-v[i-1]);
    else ans[i]=max(abs(v[i]-v[i-1),abs(v[i]-v[i-2]));
  }
  cout<<v[n-1];
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:35: error: expected ']' before ')' token
   13 |     else ans[i]=max(abs(v[i]-v[i-1),abs(v[i]-v[i-2]));
      |                                   ^
      |                                   ]
Language: Java

public class Frog1 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Scanner sc = new Scanner(System.in);
		
	    int stoneCount = sc.nextInt();
	    
	    int stones[] = new int[stoneCount];
	    
	    for(int i=0;i<stoneCount; i++) stones[i] = sc.nextInt();
	    
	     int dp[]  = new int[stoneCount + 1];
	     
	     for(int i=0; i<=stoneCount; i++) dp[i] = -1;
	     
	    int minimumIncurred = solve(stones, 0, stoneCount, dp);
	    
	    System.out.println(minimumIncurred);
	    
	    

	}
	
	public static int solve(int stones[], int i, int stoneCount, int dp[])
	{
		
		if(i==stoneCount-1)
			return 0;
		
		if(dp[i] != -1)
			return dp[i];
		int first = Integer.MAX_VALUE;
		int second = Integer.MAX_VALUE;
		if(i+1<stoneCount) 
		first = Math.abs(stones[i] - stones[i+1])+solve(stones, i+1, stoneCount, dp);
		if(i+2<stoneCount)
		second = Math.abs(stones[i] - stones[i+2])+ solve(stones, i+2, stoneCount, dp);
		dp[i] = Math.min(first, second);
		return Math.min(first, second);	
	}

}


Compiler output:
Main.java:1: error: class Frog1 is public, should be declared in a file named Frog1.java
public class Frog1 {
       ^
Main.java:6: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Frog1
Main.java:6: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Frog1
3 errors
Language: C++

#include<bits/stdc++.h>
#define INF 1e9 + 5
using namespace std;
int main()
{
  int n;
  cin>>n;
  vector<int> h(n);
  for(int& x:h)
    cout<<x;
  
  vector<int> dp(n,INF);
  dp[0] = 0;
  for(int i=0;i<n;++i){
    for(int j:{i+1,i+2}){
      if(j<n){
        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:17:51: error: expected ')' before ';' token
   17 |         dp[j] = min(dp[j],dp[i] + abs(h[i] - h[j]);
      |                    ~                              ^
      |                                                   )
Language: C++

#include<bits/stdc++.h>
#define INF 1e9 + 5
using namespace std;
int main()
{
  int n;
  cin>>n;
  vector<int> h(n);
  for(int& x:h)
    cout<<x;
  
  vector<int> dp(n,INF);
  dp[0] = 0;
  for(int i=0;i<n;++i){
    for(int j:(i+1,i+2)){
      if(j<n){
        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:15:23: error: 'begin' was not declared in this scope
   15 |     for(int j:(i+1,i+2)){
      |                       ^
a.cc:15:23: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166,
                 from a.cc:1:
/usr/include/c++/14/valarray:1238:5: note:   'std::begin'
 1238 |     begin(const valarray<_Tp>& __va) noexcept
      |     ^~~~~
In file included from /usr/include/c++/14/filesystem:53,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200:
/usr/include/c++/14/bits/fs_dir.h:608:3: note:   'std::filesystem::__cxx11::begin'
  608 |   begin(recursive_directory_iterator __iter) noexcept
      |   ^~~~~
a.cc:15:23: error: 'end' was not declared in this scope
   15 |     for(int j:(i+1,i+2)){
      |                       ^
a.cc:15:23: note: suggested alternatives:
/usr/include/c++/14/valarray:1265:5: note:   'std::end'
 1265 |     end(const valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/bits/fs_dir.h:613:3: note:   'std::filesystem::__cxx11::end'
  613 |   end(recursive_directory_iterator) noexcept
      |   ^~~
a.cc:17:51: error: expected ')' before ';' token
   17 |         dp[j] = min(dp[j],dp[i] + abs(h[i] - h[j]);
      |                    ~                              ^
      |                                                   )
Language: C++

//بسم الله الرحمن الرحيم
//اللہ کے نام سے شروع جو بڑا مہربان اور نہایت رحم والا ہے
//Allah in the name of The Most Affectionate, the Merciful
//अल्लाह के नाम से जो दयालु और कृपाशील है
#include<iostream>
#include<algorithm>
#include<climits>
#include<cmath>
#include<vector>
#include<map>
#include<stack>
#include<queue>
#include<cstring>
#include<ctime>

using namespace std;
#define fastio ios::sync_with_stdio(0); cin.tie(0)
#define ll long long
#define ull unsigned ll 
#define pb push_back

#define endl '\n'
#define mod 1000000007

#define FOR(i,k,n) for(int i=k; i<n; i++)
#define ROF(i,k,n) for(int i=k; i>=n; i--)
#define MEMSET(t) memset(t,0,sizeof(t));
#define time clock_t tStart
#define Start clock()
#define Time printf("Time taken: %.3fs\n", (double)(clock() - tStart)/CLOCKS_PER_SEC)



ll minC(int ar[], int n, int i)
{
  if(i>=n-1) return 0;
  if(i==n-2) return abs(ar[i]-ar[i+1]);
 // if(dp[i+1]!=-1) return dp[i+1];
  return min(abs(ar[i]-ar[i+1])+minC(ar,n,i+1),abs(ar[i]-ar[i+2])+minC(ar,n,i+2));
}

int main()
{
  fastio; 
  int t=1; //cin>>t;
  while(t--)
  {
    int n;
    cin>>n;
    int ar[n];
    FOR(i,0,n) cin>>ar[i];
    memset(dp,-1,sizeof(dp));
    cout<< minC(ar,n,0);


  }
  return 1;
}   

Compiler output:
a.cc: In function 'int main()':
a.cc:52:12: error: 'dp' was not declared in this scope
   52 |     memset(dp,-1,sizeof(dp));
      |            ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
 vector<long long>v(100001);
long long maxi(int n)
{
  if(n==0 || n==1)
    return 0;
  else
    return min(abs(v[n-2]-v[n])+maxi(v,n-2),abs(v[n-1]-v[n])+maxi(v,n-1));
}
int main()
{
  int n;
  cin>>n;
  for(int i=0;i<n;i++)
    cin>>v[i];
  cout<<maxi(n-1);
}


Compiler output:
a.cc: In function 'long long int maxi(int)':
a.cc:9:38: error: cannot convert 'std::vector<long long int>' to 'int'
    9 |     return min(abs(v[n-2]-v[n])+maxi(v,n-2),abs(v[n-1]-v[n])+maxi(v,n-1));
      |                                      ^
      |                                      |
      |                                      std::vector<long long int>
a.cc:4:20: note:   initializing argument 1 of 'long long int maxi(int)'
    4 | long long maxi(int n)
      |                ~~~~^
a.cc:9:67: error: cannot convert 'std::vector<long long int>' to 'int'
    9 |     return min(abs(v[n-2]-v[n])+maxi(v,n-2),abs(v[n-1]-v[n])+maxi(v,n-1));
      |                                                                   ^
      |                                                                   |
      |                                                                   std::vector<long long int>
a.cc:4:20: note:   initializing argument 1 of 'long long int maxi(int)'
    4 | long long maxi(int n)
      |                ~~~~^
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long maxi(vector<int>v,int n)
{
  if(n==1 || n==2)
    return 0;
  else
    return min(|v[n-2]-v[n]|+maxi(n-2),|v[n-1]+v[n]+maxi(n-1));
}
int main()
{
  int n;
  cin>>n;
  vector<int>v(n);
  for(int i=0;i<n;i++)
    cin>>v[i];
  cout<<maxi(n-1);
}


Compiler output:
a.cc: In function 'long long int maxi(std::vector<int>, int)':
a.cc:8:16: error: expected primary-expression before '|' token
    8 |     return min(|v[n-2]-v[n]|+maxi(n-2),|v[n-1]+v[n]+maxi(n-1));
      |                ^
a.cc:8:36: error: could not convert '(n - 2)' from 'int' to 'std::vector<int>'
    8 |     return min(|v[n-2]-v[n]|+maxi(n-2),|v[n-1]+v[n]+maxi(n-1));
      |                                   ~^~
      |                                    |
      |                                    int
a.cc:8:40: error: expected primary-expression before '|' token
    8 |     return min(|v[n-2]-v[n]|+maxi(n-2),|v[n-1]+v[n]+maxi(n-1));
      |                                        ^
a.cc:8:59: error: could not convert '(n - 1)' from 'int' to 'std::vector<int>'
    8 |     return min(|v[n-2]-v[n]|+maxi(n-2),|v[n-1]+v[n]+maxi(n-1));
      |                                                          ~^~
      |                                                           |
      |                                                           int
a.cc: In function 'int main()':
a.cc:17:15: error: could not convert '(n - 1)' from 'int' to 'std::vector<int>'
   17 |   cout<<maxi(n-1);
      |              ~^~
      |               |
      |               int
Language: C

#include <bits/stdc++.h>

#define pb push_back
#define int long long
#define debug(n) cerr << #n << " = " << n << '\n';

using namespace std;
const int MAXN = 1e5 + 10;
int a[MAXN] , dp[MAXN];

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

#include <algorithm>
#include <cmath>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <stdio.h>
#include <string>
#include <vector>
#include <set>

#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int, int>;
const double PI = 3.1415926535897932;

template<class T> inline bool chmin(T& a, T b) {
	if (a > b) {
		a = b;
		return true;
	}
	return false;
}

template<class T> inline bool chmax(T& a, T b) {
	if (a < b) {
		a = b;
		return true;
	}
	return false;
}

int N;
long long h[100010];

// DP テーブル
long long dp[100010];

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

	// 初期化 (最小化問題なので INF に初期化)
	for (int i = 0; i < 100010; ++i) dp[i] = INF;

	// 初期条件
	dp[0] = 0;

	dp[0] = 0;
	for (int i = 1; i < N; ++i) {
		chmin(dp[i], dp[i - 1] + abs(h[i] - h[i - 1]));
		if (i > 1) chmin(dp[i], dp[i - 2] + abs(h[i] - h[i - 2]));
	}

	cout << dp[N-1] << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:48:50: error: 'INF' was not declared in this scope
   48 |         for (int i = 0; i < 100010; ++i) dp[i] = INF;
      |                                                  ^~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int n;
	cin>>n;
	
	vector<int> h(n, 0), dp(n, 0);
	
	for(int i=0; i<n; i++) cin>>h[i];
	
	dp[0] = 0;
	dp[1] = abs(h[1]-h[0]);
	for(int 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];
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'vector' was not declared in this scope
    9 |         vector<int> h(n, 0), dp(n, 0);
      |         ^~~~~~
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:9:16: error: expected primary-expression before 'int'
    9 |         vector<int> h(n, 0), dp(n, 0);
      |                ^~~
a.cc:11:37: error: 'h' was not declared in this scope
   11 |         for(int i=0; i<n; i++) cin>>h[i];
      |                                     ^
a.cc:13:9: error: 'dp' was not declared in this scope
   13 |         dp[0] = 0;
      |         ^~
a.cc:14:21: error: 'h' was not declared in this scope
   14 |         dp[1] = abs(h[1]-h[0]);
      |                     ^
Language: Java

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

public class A_Frog1 {

    static class InputReader {
        BufferedReader reader;
        StringTokenizer tokenizer;

        public InputReader() throws FileNotFoundException {
            // reader = new BufferedReader(new FileReader("count.in"));
            reader = new BufferedReader(new InputStreamReader(System.in), 32768);
            tokenizer = null;
        }

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

        public int nextInt() { // reads in the next int
            return Integer.parseInt(next());
        }

        public long nextLong() { // reads in the next long
            return Long.parseLong(next());
        }

        public double nextDouble() { // reads in the next double
            return Double.parseDouble(next());
        }

        public int[] nextIntArr(int size) {
            int[] arr = new int[size];
            for (int i = 0; i < size; i++) arr[i] = nextInt();
            return arr;
        }

        public long[] nextLongArr(int size) {
            long[] arr = new long[size];
            for (int i = 0; i < size; i++) arr[i] = nextLong();
            return arr;
        }

        public double[] nextDoubleArr(int size) {
            double[] arr = new double[size];
            for (int i = 0; i < size; i++) arr[i] = nextDouble();
            return arr;
        }

    }

    public static void main(String[] args) throws IOException, FileNotFoundException {
        InputReader in = new InputReader();
        PrintWriter pw = new PrintWriter(System.out);

        int n = in.nextInt();
        int[] pts = in.nextIntArr(n);
        int[] dp = new int[n];

        dp[1] = Math.abs(pts[1] - pts[0]);
        for (int i = 2; i < dp.length; i++) {
            int oneback = dp[i - 2] + Math.abs(pts[i] - pts[i - 2]);
            int twoback = dp[i - 1] + Math.abs(pts[i] - pts[i - 1]);
            dp[i] = Math.min(oneback, twoback);
        }
        // System.out.println(Arrays.toString(dp));

        pw.println(dp[n - 1]);

        pw.close();
    }
}


Compiler output:
Main.java:4: error: class A_Frog1 is public, should be declared in a file named A_Frog1.java
public class A_Frog1 {
       ^
1 error