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

/*
Roses are red
Memes are neat
All my test cases time out
Lmao yeet
**************************
Time to solve: 
*/
import java.util.*;
import java.io.*;

   public class Frog1
   {
      public static void main(String args[]) throws Exception
      {
         BufferedReader infile = new BufferedReader(new InputStreamReader(System.in));  
         StringTokenizer st = new StringTokenizer(infile.readLine());
         int N = Integer.parseInt(st.nextToken());
         int[] arr = new int[N];
         st = new StringTokenizer(infile.readLine());
         for(int i=0; i < N; i++)
            arr[i] = Integer.parseInt(st.nextToken());
         long[] dp = new long[N];
         Arrays.fill(dp, Integer.MAX_VALUE);
         dp[0] = 0;
         for(int i=0; i < N; i++)
         {
            if(dp[i] == Integer.MAX_VALUE)
               continue;
            if(i+1 < N)
               dp[i+1] = Math.min(dp[i+1], dp[i]+Math.abs(arr[i]-arr[i+1]));
            if(i+2 < N)
               dp[i+2] = Math.min(dp[i+2], dp[i]+Math.abs(arr[i]-arr[i+2]));
         }
         System.out.println(dp[N-1]);
      }
   }

Compiler output:
Main.java:12: error: class Frog1 is public, should be declared in a file named Frog1.java
   public class Frog1
          ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
signed main(){
  int a;
  cin>>a;
  vector<int> dp(a,100000000000)
  int c[a];
  fo(i,a)
    cin>>c[i];
  dp[0]=0;
  for(int i=0;i<a;i++){
      int t=dp[i];
      dp[i+1]=min(dp[i+1],t+abs(c[i]-c[i+1]));
      dp[i+2]=min(dp[i+2],t+abs(c[i]-c[i+2]));
                       }
  cout<<dp[a-1]<<endl;
                       }


Compiler output:
a.cc: In function 'int main()':
a.cc:3:13: error: expected ',' or ';' before 'long'
    3 | #define int long long
      |             ^~~~
a.cc:15:3: note: in expansion of macro 'int'
   15 |   int c[a];
      |   ^~~
a.cc:17:10: error: 'c' was not declared in this scope
   17 |     cin>>c[i];
      |          ^
a.cc:21:33: error: 'c' was not declared in this scope
   21 |       dp[i+1]=min(dp[i+1],t+abs(c[i]-c[i+1]));
      |                                 ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int dp[100005]={100000000000};
signed main(){
  int a;
  cin>>a;
  int c[a];
  fo(i,a)
    cin>>c[i];
  dp[0]=0;
  for(int i=0;i<a;i++){
      int t=dp[i];
      dp[i+1]=min(dp[i+1],t+abs(c[i]-c[i+1]));
      dp[i+2]=min(dp[i+1],t+abs(c[i]-c[i+2]));
                       }
                       }
  cout<<dp[a-1]<<endl;
                       }


Compiler output:
a.cc:25:3: error: 'cout' does not name a type
   25 |   cout<<dp[a-1]<<endl;
      |   ^~~~
a.cc:26:24: error: expected declaration before '}' token
   26 |                        }
      |                        ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int dp[100005][100005]={100000000000};
signed main(){
  int a;
  cin>>a;
  int c[a];
  fo(i,a)
    cin>>c[i];
  dp[0][0]=0;
  for(int i=0;i<a;i++){
    for(int j=0;j<a;j++){
      int t=dp[i][j];
      dp[i+1][j+1]=min(dp[i+1][j+1],t+abs(c[i]-c[i+1]));
      dp[i+2][j+2]=min(dp[i+1][j+1],t+abs(c[i]-c[i+2]));
                       }
                       }
  cout<<dp[a-1][a-1]<<endl;
                       }


Compiler output:
g++: internal compiler error: File size limit exceeded signal terminated program as
Please submit a full bug report, with preprocessed source (by using -freport-bug).
See <file:///usr/share/doc/gcc-14/README.Bugs> for instructions.
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int dp[100005][100005]={100000000000};
signed main(){
  int a;
  cin>>a;
  int c[a];
  fo(i,a)
    cin>>c[i];
  dp[0][0]=0;
  for(int i=0;i<a;i++){
    for(int j=0;j<a;j++){
      int t=dp[i][j];
      dp[i+1][j+1]=min(dp[i+1][j+1],t+abs(c[i]-c[i+1]));
      dp[i+2][j+2]=min(dp[i+1][j+1],t+abs(c[i]-c[i+2]));
                       }
                       }
  cout<<c[a-1][a-1]<<endl;
                       }


Compiler output:
a.cc: In function 'int main()':
a.cc:26:15: error: invalid types 'long long int[long long int]' for array subscript
   26 |   cout<<c[a-1][a-1]<<endl;
      |               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int dp[100005][100005]={100000000000};
signed main(){
  int a;
  cin>>a;
  int c[a];
  fo(i,a)
    cin>>c[i];
  dp[0][0]=0;
  for(int i=0;i<a;i++){
    for(int j=0;j<=a;j++){
      int t=dp[i][j];
      dp[i+1][j+1]=min(dp[i+1][j+1],t+abs(c[i]-c[i+1]));
      dp[i+2][j+2]=min(dp[i+1][j+1],t+abs(c[i]-c[i+2]));
                       }
                       }
  cout<<c.at(a-1).at(a-1)<<endl;
                       }


Compiler output:
a.cc: In function 'int main()':
a.cc:26:11: error: request for member 'at' in 'c', which is of non-class type 'long long int [a]'
   26 |   cout<<c.at(a-1).at(a-1)<<endl;
      |           ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int dp[100005][100005]={100000000000};
signed main(){
  int a;
  cin>>a;
  int c[a];
  fo(i,a)
    cin>>c[i];
  dp[0][0]=0;
  for(int i=0;i<a;i++){
    for(int j=0;j<=a;j++){
      int t=dp[i][j];
      dp[i+1][j+1]=min(dp[i+1][j+1],t+abs(c[i]-c[i+1]));
      dp[i+2][j+2]=min(dp[i+1][j+1],t+abs(c[i]-c[i+2]));
                       }
                       }
  cout<<c[a-1][a-1]<<endl;
                       }


Compiler output:
a.cc: In function 'int main()':
a.cc:26:15: error: invalid types 'long long int[long long int]' for array subscript
   26 |   cout<<c[a-1][a-1]<<endl;
      |               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
 int $(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int dp[100005][100005]={100000000000};
signed main(){
  int a;
  cin>>a;
  int c[a];
  fo(i,a)
    cin>>c[i];
  dp[0][0]=0;
  for(int i=0;i<a;i++){
    for(int j=0;j<=a;j++){
      int t=dp[i][j];
      dp[i+1][j+1]=min(dp[i+1][j+1],t+abs(c[i]-c[i+1]);
      dp[i+2][j+2]=min(dp[i+1][j+1],t+abs(c[i]-c[i+2]);
                       }
                       }
  cout<<c[a-1][a-1]<<endl;
                       }

Compiler output:
a.cc: In function 'int main()':
a.cc:22:55: error: expected ')' before ';' token
   22 |       dp[i+1][j+1]=min(dp[i+1][j+1],t+abs(c[i]-c[i+1]);
      |                       ~                               ^
      |                                                       )
a.cc:23:55: error: expected ')' before ';' token
   23 |       dp[i+2][j+2]=min(dp[i+1][j+1],t+abs(c[i]-c[i+2]);
      |                       ~                               ^
      |                                                       )
a.cc:26:15: error: invalid types 'long long int[long long int]' for array subscript
   26 |   cout<<c[a-1][a-1]<<endl;
      |               ^
Language: C++

#include <iostream>
#include <vector>
using namespace std;
int main(){
	int n,k;
  	cin>>n>>k;
  	int a[n];
  	for(int i=0;i<n;i++) cin>>a[i];
	vector<int> dp(n,10005);
  	dp[0]=0;
  	for(int i=0;i<n;i++){
    	for(int jump=1;jump<=k;jump++){
          	if(i+jump>=n) break;
        	dp[i+jump]=min(dp[i+jump],dp[i]+abs(a[i]-a[i+jump]);
        }
    }
    cout<<dp[n-1];
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:68: error: expected ')' before ';' token
   14 |                 dp[i+jump]=min(dp[i+jump],dp[i]+abs(a[i]-a[i+jump]);
      |                               ~                                    ^
      |                                                                    )
Language: C++

#include <iostream>
#include <vector>
using namespace std;
int main(){
	int n,k;
  	cin>>n>>k;
  	int a[n];
  	for(int i=0;i<n;i++) cin>>a[i];
	vector<int> dp(n,10005);
  	dp[0]=0;
  	for(int i=0;i<n;i++){
    	for(int jump=1;jump<=k;jump++){
          	if(i+jump>=n) break;
        	dp[i+jump]=min(dp[i+jump],dp[i]+absa(a[i]-a[i+jump]));
        }
    }
    cout<<dp[n-1];
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:49: error: 'absa' was not declared in this scope; did you mean 'abs'?
   14 |                 dp[i+jump]=min(dp[i+jump],dp[i]+absa(a[i]-a[i+jump]));
      |                                                 ^~~~
      |                                                 abs
Language: C++

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

int arr[100005];
int INF=(1<<31);
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n;
    for(int i=0; i<n; i++)
    {
        cin>>arr[i];
    }
    int dp[100005];
    dp[0]=0;
    dp[1]=abs(arr[1]-arr[0]);
    for(int i=2;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-1]<<"\n";

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:10: error: 'n' was not declared in this scope; did you mean 'yn'?
   10 |     cin>>n;
      |          ^
      |          yn
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define forn(i, n) for (int i = 0; i < int(n); i++)
#define in insert
#define all(x) (x).begin(), (x).end()
#define speed ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
const int INF = 1e9 + 5;
int main(){
    speed();
    int T;
    cin>>T;
    vector<int> v(T);
    for(int i=1;i<=T;i++) cin>>v[i];

    vector<int> dp(T);
    dp[2]=abs(v[2]-v[1]);
    dp[1]=0;
    for(int i=3;i<=T;i++){
        dp[i]=min(dp[i-1]+abs(v[i]-v[i-1]) , dp[i-2]+abs(v[i]-v[i-2]));
    }
    cout<<dp[T];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:11: error: expected primary-expression before ')' token
   15 |     speed();
      |           ^
Language: C++

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

typedef vector<lli> vi;

lli mincost(vi h,lli* cost, lli n)
{
    if(n<=1)
    {
        return cost[n];
    }
    
    lli a=mincost(h,cost,n-1);
    lli b=mincost(h,cost,n-2);
    cost[n]=min(a+(abs(h[n]-h[n-1])) , b+(abs(h[n]-h[n-2])));
    
    return cost[n];
    
  
}



int main() {
	lli n;
	cin>>n;
	vi h(n+1,0);
	for(lli i=1;i<=n;i++)
	{
	    cin>>h[i];
	}
	
	
	h[0]=lli_MAX;
	lli* cost=new lli[n+1];
	memset(cost,-1,sizeof(cost));
	cost[0] = cost[1] = 0;
	lli ans=mincost(h,cost,n);
	
	cout<<ans;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:14: error: 'lli_MAX' was not declared in this scope
   35 |         h[0]=lli_MAX;
      |              ^~~~~~~
Language: C++

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

Compiler output:
a.cc:21:18: warning: missing terminating " character
   21 |   cout<<dp[n-1]<<"\n;
      |                  ^
a.cc:21:18: error: missing terminating " character
   21 |   cout<<dp[n-1]<<"\n;
      |                  ^~~~
a.cc: In function 'int main()':
a.cc:13:7: error: 'i' was not declared in this scope
   13 |   for(i=1;i<n;i++)
      |       ^
a.cc:23:1: error: expected primary-expression before '}' token
   23 | }
      | ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int n, a[123123], dp[123123];

int main() {
	cin >> n;
    for(int i = 1; i <= n; i++) cin >> A[i];
	dp[2] = abs(a[1] - a[2]);
    for(int 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:9:40: error: 'A' was not declared in this scope
    9 |     for(int i = 1; i <= n; i++) cin >> A[i];
      |                                        ^
Language: C++

//atcoder: a - frog1
#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int n;
	cin>>n;
	int h[n];
	for(int i=0;i<n;i++){
		cin>>h[i];
	}
	int dp[n]={INT_MAX};
	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]<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:20: error: 'INT_MAX' was not declared in this scope
   13 |         int dp[n]={INT_MAX};
      |                    ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include <iostream>
  +++ |+#include <climits>
    3 | using namespace std;
Language: C

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

int distance(int h1,int h2){
  if(h1 >= h2){
    return h1 - h2;
  }else{
    return h2 - h1;
  }
}

int min(int i,int j){
  if(i > j) return j;
  else return i;
}

int main(){
  int n;
  int h[100000];
  scanf("%d",&n);
  for(int i=0;i<n;i++){
    scanf("%d",&h[i]);
  }
  int dp[100000];
  dp[0] = 0;
  dp[1] = h[1] - h[0];
  int cost1,cost2;
  for(int i=2;i<n;i++){
    cost1 = dis(h[i-1],h[i]);
    cost2 = dis(h[i-2],h[i]);
    dp[i] = min(dp[i-2]+cost2,dp[i-1]+cost1);
  }
  printf("%d\n",dp[n-1]);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:29:13: error: implicit declaration of function 'dis'; did you mean 'div'? [-Wimplicit-function-declaration]
   29 |     cost1 = dis(h[i-1],h[i]);
      |             ^~~
      |             div
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n;
int rec(int i,int a[])
{
   if(i==n-1)
     return 0;
   int b;
   int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
   if(i>n-2)
      b=INT_MAX;
   else
    b=rec(i+2,a)+fabs(a[i+2]-a[i]);
   
   return min(a,b);
 }

int main(){
  
  
  
  cin>>n;
  int a[n];
  
  for(int i=0;i<n;i++)cin>>a[i];
  
  int j=0;
  int x=rec(j,a);
  cout<<x<<"\n";
  
}
  
  
  
  
  
  

Compiler output:
a.cc: In function 'int rec(int, int*)':
a.cc:9:8: error: declaration of 'int a' shadows a parameter
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |        ^
a.cc:4:19: note: 'int* a' previously declared here
    4 | int rec(int i,int a[])
      |               ~~~~^~~
a.cc:9:18: error: invalid conversion from 'int' to 'int*' [-fpermissive]
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |                  ^
      |                  |
      |                  int
a.cc:4:19: note:   initializing argument 2 of 'int rec(int, int*)'
    4 | int rec(int i,int a[])
      |               ~~~~^~~
a.cc:9:27: error: invalid types 'int[int]' for array subscript
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |                           ^
a.cc:9:34: error: invalid types 'int[int]' for array subscript
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |                                  ^
a.cc:13:15: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   13 |     b=rec(i+2,a)+fabs(a[i+2]-a[i]);
      |               ^
      |               |
      |               int
a.cc:4:19: note:   initializing argument 2 of 'int rec(int, int*)'
    4 | int rec(int i,int a[])
      |               ~~~~^~~
a.cc:13:24: error: invalid types 'int[int]' for array subscript
   13 |     b=rec(i+2,a)+fabs(a[i+2]-a[i]);
      |                        ^
a.cc:13:31: error: invalid types 'int[int]' for array subscript
   13 |     b=rec(i+2,a)+fabs(a[i+2]-a[i]);
      |                               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n;
int rec(int i,int a[])
{
   if(i==n-1)
     return 0;
   int b=MAX_INT;
   int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
   if(i>n-2)
      b=MAX_INT;
   else
    b=rec(i+2,a)+fabs(a[i+2]-a[i]);
   
   return min(a,b);
 }

int main(){
  
  
  
  cin>>n;
  int a[n];
  
  for(int i=0;i<n;i++)cin>>a[i];
  
  int j=0;
  int x=rec(j,a);
  cout<<x<<"\n";
  
}
  
  
  
  
  
  

Compiler output:
a.cc: In function 'int rec(int, int*)':
a.cc:8:10: error: 'MAX_INT' was not declared in this scope; did you mean 'MAX_INPUT'?
    8 |    int b=MAX_INT;
      |          ^~~~~~~
      |          MAX_INPUT
a.cc:9:8: error: declaration of 'int a' shadows a parameter
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |        ^
a.cc:4:19: note: 'int* a' previously declared here
    4 | int rec(int i,int a[])
      |               ~~~~^~~
a.cc:9:18: error: invalid conversion from 'int' to 'int*' [-fpermissive]
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |                  ^
      |                  |
      |                  int
a.cc:4:19: note:   initializing argument 2 of 'int rec(int, int*)'
    4 | int rec(int i,int a[])
      |               ~~~~^~~
a.cc:9:27: error: invalid types 'int[int]' for array subscript
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |                           ^
a.cc:9:34: error: invalid types 'int[int]' for array subscript
    9 |    int a=rec(i+1,a)+fabs(a[i+1]-a[i]);
      |                                  ^
a.cc:13:15: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   13 |     b=rec(i+2,a)+fabs(a[i+2]-a[i]);
      |               ^
      |               |
      |               int
a.cc:4:19: note:   initializing argument 2 of 'int rec(int, int*)'
    4 | int rec(int i,int a[])
      |               ~~~~^~~
a.cc:13:24: error: invalid types 'int[int]' for array subscript
   13 |     b=rec(i+2,a)+fabs(a[i+2]-a[i]);
      |                        ^
a.cc:13:31: error: invalid types 'int[int]' for array subscript
   13 |     b=rec(i+2,a)+fabs(a[i+2]-a[i]);
      |                               ^
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:5:6: error: 'n' was not declared in this scope; did you mean 'yn'?
    5 | cin>>n;
      |      ^
      |      yn
Language: C++

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

int main(){
    int n;
        cin>>n;
    int dp[n],arr[n];
    for(int i = 0; i < n; i++){
        cin>>arr[i];
    }
    dp[0] = 0;
    dp[1] = abs(arr[0] - arr[1]);

    for(int i = 2; i < n; i++){
        dp[i] = min(abs(arr[i] - arr[i-2])+dp[i-2],abs(arr[i] - arr[i-1])+dp[i-1]);
        //cout<<dp[i]<<" ";
    }
        cout<<dp[n-1]<<endl;
return 0;
}


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


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

public class A_Frog1 {
    static int abs(int a) {
        return Math.abs(a);
    }
    public static void main(String[] args) throws IOException {
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(bf.readLine());
        int ar [] =  new int[n];
        String line[] = bf.readLine().split("\\s");
        for(int i=0;i<n;++i) {
            ar[i] = Integer.parseInt(line[i]);
        }
        int[]dp = new int[n];
        dp[0] = 0;
        dp[1] = dp[0] + abs(ar[1] - ar[0]);
        for(int i=2;i<n;i++) {
            int ab1 = abs(ar[i] - ar[i-1]);
            int ab2 = abs(ar[i] - ar[i-2]);
            dp[i] = Math.min(ab1+dp[i-1] , ab2 + dp[i-2]);
        }
        System.out.println(dp[n-1]);
    }
}


Compiler output:
Main.java:6: error: class A_Frog1 is public, should be declared in a file named A_Frog1.java
public class A_Frog1 {
       ^
1 error
Language: Java

package AtCoderEducationalDPContest;

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

public class A_Frog1 {
    static int abs(int a) {
        return Math.abs(a);
    }
    public static void main(String[] args) throws IOException {
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(bf.readLine());
        int ar [] =  new int[n];
        String line[] = bf.readLine().split("\\s");
        for(int i=0;i<n;++i) {
            ar[i] = Integer.parseInt(line[i]);
        }
        int[]dp = new int[n];
        dp[0] = 0;
        dp[1] = dp[0] + abs(ar[1] - ar[0]);
        for(int i=2;i<n;i++) {
            int ab1 = abs(ar[i] - ar[i-1]);
            int ab2 = abs(ar[i] - ar[i-2]);
            dp[i] = Math.min(ab1+dp[i-1] , ab2 + dp[i-2]);
        }
        System.out.println(dp[n-1]);
    }
}


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: C++

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

void chmin(int a,int b){if(a>b){a=b;return 1;}return 0;}
int main(){
  int n; cin>>n;
  int h[n];
  for(int i=0;i<n;i++)cin>>h[i];
  
  int dp[n+1]={INT_MAX};
  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;
}

Compiler output:
a.cc: In function 'void chmin(int, int)':
a.cc:4:44: error: return-statement with a value, in function returning 'void' [-fpermissive]
    4 | void chmin(int a,int b){if(a>b){a=b;return 1;}return 0;}
      |                                            ^
a.cc:4:54: error: return-statement with a value, in function returning 'void' [-fpermissive]
    4 | void chmin(int a,int b){if(a>b){a=b;return 1;}return 0;}
      |                                                      ^
Language: C++

n = int(input())
h = list(map(int, input().split()))

inf = 100000000

dp = [inf for _ in [0]*n]

dp[0] = 0
dp[1] = abs(h[1] - h[0])

for i in range(2, n):
	dp[i] = min(dp[i-1] + abs(h[i] - h[i-1]), dp[i - 2] + abs(h[i] - h[i-2]))

print(dp[-1])


Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n = int(input())
      | ^
Language: C++

#include <cstdio>
#include <iostream>
#include <vector>
#include <limits>
#include <algorithm>

const int64_t BEAUCOUP = std::numeric_limits<int64_t>::max();

template<typename T>
T abs(T value)
{
	if (value < 0)
		return -value;
	return value;
}

int main()
{
	int64_t nbStones;
	std::scanf("%d", &nbStones);

	std::vector<int64_t> stones(nbStones);
	for (int64_t i=0; i<nbStones; i++)
		std::scanf("%d", &stones[i]);

	std::vector<int64_t> DP(nbStones+2, BEAUCOUP);
	DP[0] = 0;

	for (int64_t i=0; i<DP.size(); i++)
	{
		if (i+1 < nbStones)
			DP[i+1] = std::min(DP[i+1], DP[i] + abs(stones[i+1] - stones[i]));
		if (i+2 < nbStones)
			DP[i+2] = std::min(DP[i+2], DP[i] + abs(stones[i+2] - stones[i]));
	}

	std::print64_tf("%d\n", DP[nbStones-1]);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:37:14: error: 'print64_tf' is not a member of 'std'; did you mean 'printf'?
   37 |         std::print64_tf("%d\n", DP[nbStones-1]);
      |              ^~~~~~~~~~
      |              printf
Language: C++


#include<iostream>
#include<vector>
using namespace std;

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;
}

const long long INF=1LL<<60


int main()
{
    int n;
    cin>>n;
    int h[n];

    long long dp[100010];
    for(int i=0;i<100010;++i)dp[i]=INF;
    dp[0]=0;

    for(int i=0;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;
}

Compiler output:
a.cc:24:1: error: expected ',' or ';' before 'int'
   24 | int main()
      | ^~~
Language: C++


#include<iostream>
#include<vector>
using namespace std;

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;
}

const long long INF 1LL<<60


int main()
{
    int n;
    cin>>n;
    int h[n];

    long long dp[100010];
    for(int i=0;i<100010;++i)dp[i]=INF;
    dp[0]=0;

    for(int i=0;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;
}

Compiler output:
a.cc:21:21: error: expected initializer before numeric constant
   21 | const long long INF 1LL<<60
      |                     ^~~
Language: C++

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

int main()
{
	int n;
	cin>>n;
	int h[n];
	for(int i=0;i<n;i++)
		cin>>h[i];
	vector<int> dp(n,INF);
	dp[0]=0;
	for(int i=1;i<n;i++)
		for(int j=i+1;j<=(i+2);j++)
		{
			if(j<n)
				dp[j]=min(dp[j],dp[i]+abs(h[i]-h[j]));
		}
	cout<<dp[n-1]<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:26: error: 'INF' was not declared in this scope
   11 |         vector<int> dp(n,INF);
      |                          ^~~
Language: C++

#include<iostream>
#include<algorithm>
#include<cstring>
using namespace std;
#define INF 100000000
int n,h[1000005],mem[1000005];

int dp(int i){
  if(i==1)return 0;
  if(i<1)return INF;
  if(mwm[i]!=-1);
  int a1=dp(i-1)+abs(h[i-1]-h[i]);
  int a2=dp(i-2)+abs(h[i-2]-h[i]);
  return mem[i]=min(a1,a2);
}
int main(){
  cin>>n;
  memset(mem,-1,sizeof(mem));
  for(int i=1;i<=n;i++){
    cin>>h[i];
    }
  cout<<dp(n)<<'\n';
  return(0);
  }



Compiler output:
a.cc: In function 'int dp(int)':
a.cc:11:6: error: 'mwm' was not declared in this scope; did you mean 'mem'?
   11 |   if(mwm[i]!=-1);
      |      ^~~
      |      mem
Language: C++

#include<bits/stdc++.h>
#befine INF 1000000000;
using namespace std;
int n,h[100005],mem[100005];
int dp(int m){
  if(i==1){
    return 0;
  }
  if(i<1){
    return INF;
  }
  if(mem[i]!=-1){
    return mem[i];
  }
  int a1=dp(i-1)+abs(h[i-1]-h[i]);
  int a2=dp(i-2)+abs(h[i-2]-h[i]);
  return mem[i]=min(a1,a2);
}
signed main(){
  cin>>n;
  memset(mem,-1,sizeof(mem));
  for(int i=1;i<=n;i++){
    cin>>h[i];
  }
  cout<<dp(n)<<'\n';
  return(0);
}


Compiler output:
a.cc:2:2: error: invalid preprocessing directive #befine; did you mean #define?
    2 | #befine INF 1000000000;
      |  ^~~~~~
      |  define
a.cc: In function 'int dp(int)':
a.cc:6:6: error: 'i' was not declared in this scope
    6 |   if(i==1){
      |      ^
a.cc:9:6: error: 'i' was not declared in this scope
    9 |   if(i<1){
      |      ^
a.cc:10:12: error: 'INF' was not declared in this scope
   10 |     return INF;
      |            ^~~
a.cc:12:10: error: 'i' was not declared in this scope
   12 |   if(mem[i]!=-1){
      |          ^
a.cc:15:13: error: 'i' was not declared in this scope
   15 |   int a1=dp(i-1)+abs(h[i-1]-h[i]);
      |             ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
 
int solve(int i,int a[], int dp[]){
	if(i==1){
		return abs(a[i]-a[0]);
	}
	if(i==0){
		return 0;
	}

	// int c = abs(a[i]-a[i-1]);
	int d,e;
	if(dp[i-1]==-1)
		dp[i-1] =  solve(i-1,a,dp);
	d = abs(a[i]-a[i-1])+dp[i-1];
	
	if(dp[i-2]==-1)
		dp[i-2] = solve(i-2,a,dp);
	e = abs(a[i]-a[i-2])+dp[i-2];

	return min(d,e);

}
 
 
int main() {
	int n;
	cin >> n;
	int a[n];
	int dp[n];
	memset(dp,-1,sizeof(dp))
	for(int i=0;i<n;i++)
		cin >> a[i];
	cout<<solve(n-1,a,dp)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:33: error: expected ';' before 'for'
   33 |         memset(dp,-1,sizeof(dp))
      |                                 ^
      |                                 ;
   34 |         for(int i=0;i<n;i++)
      |         ~~~                      
a.cc:34:21: error: 'i' was not declared in this scope
   34 |         for(int i=0;i<n;i++)
      |                     ^
Language: C++

include "bits/stdc++.h"
#include "gtest/gtest.h"

using namespace std;

int cost(vector<int> heights)
{
    int n = heights.size();
    if (n < 2) return 0;

    vector<int> cost(n + 2, numeric_limits<int>::max());
    cost[0] = 0;

    for (int i = 0; i < n; ++i)
    {
        cost[i + 1] = min(cost[i+1], cost[i] + abs(heights[i+1] - heights[i]));
        cost[i + 2] = min(cost[i+2], cost[i] + abs(heights[i+2] - heights[i]));
    }

    return cost[n - 1];
}

int main()
{
  int n;
  cin >> n;
  vector<int> h(n);
  for (int i = 0; i < n; ++i) cin >> h[i];
  cout << cost(h) << endl;
  return 0;
}

Compiler output:
a.cc:2:10: fatal error: gtest/gtest.h: No such file or directory
    2 | #include "gtest/gtest.h"
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

ll dx[] = {1, 2};

inline bool isValid(ll i, ll n)
{
	if(i > n)
	return false;
	else true;
}

int main()
{
	ll n;
	cin>>n;
	ll arr[n + 1];
	for(ll i = 1; i <= n; i++)
	cin>>arr[i];
	vector <ll> dist(n + 1, 100000000);
	dist[1] = 0;
	priority_queue <pair <ll, ll>, vector <pair <ll, ll> >, greater <pair <ll, ll> > > pq;
	pq.push(make_pair(0, 1));
	while(!pq.empty())
	{
		ll prev = pq.top().second;
		pq.pop();
		for(ll i = 0; i < 2; i++)
		{
			ll w = abs(arr[prev + dx[i]] - arr[prev]);
			ll next = prev + dx[i];
			if(isValid(next) && dist[next] > dist[prev] + w)
			{
				dist[next] = dist[prev] + w;
				pq.push(make_pair(dist[next], next));
			}
		}
	}
	cout<<dist[n]<<"\n";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:35: error: too few arguments to function 'bool isValid(long long int, long long int)'
   33 |                         if(isValid(next) && dist[next] > dist[prev] + w)
      |                            ~~~~~~~^~~~~~
a.cc:7:13: note: declared here
    7 | inline bool isValid(ll i, ll n)
      |             ^~~~~~~
Language: C++

#include <bits/stdc++.h>
#define hell 1000000007
#define fast ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define pb push_back
#define ll long long int
#define pi 3.1415926536
using namespace std;

void solve()
{ll t,n,m,x,y,z,d,p=0,b=0,q,l=INT_MAX,k,mini=0,prev;
  cin>>n;k=2;
  vector<ll> v(n+1,0),dp(n+1,INT_MAX);
  for(ll i=1;i<=n;i++)
  cin>>v[i];
  dp[0]=0;
  dp[1]=0;
  
  		for(ll j=i;j<=n;j++)
  		{
  			for(ll r=1;r<=k&&(j-r)>=1;r++)
  			dp[j]=min(dp[j],dp[j-r]+abs(v[j]-v[j-r]));
		}
  
  cout<<dp[n]<<" ";

}

int main()
{

ll t=1;

while(t--)
{solve();
 //cout<<ma<<endl;
}
return 0;}

Compiler output:
a.cc: In function 'void solve()':
a.cc:18:26: error: 'i' was not declared in this scope
   18 |                 for(ll j=i;j<=n;j++)
      |                          ^
Language: C++

#include <bits/stdc++.h>
#define hell 1000000007
#define fast ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define pb push_back
#define ll long long int
#define pi 3.1415926536
using namespace std;

void solve()
{ll t,n,m,x,y,z,d,p=0,b=0,q,l=INT_MAX,k,mini=0,prev;
  cin>>n;k=2;
  vector<ll> v(n+1,0),dp(n+1,INT_MAX);
  for(ll i=1;i<n;i++)
  cin>>v[i];
  dp[0]=0;
  dp[1]=0;
  
  		for(ll j=i;j<=n;j++)
  		{
  			for(ll r=1;r<=k&&(j-r)>=1;r++)
  			dp[j]=min(dp[j],dp[j-r]+abs(v[j]-v[j-r]));
		}
  
  cout<<dp[n]<<" ";

}

int main()
{

ll t=1;

while(t--)
{solve();
 //cout<<ma<<endl;
}
return 0;}

Compiler output:
a.cc: In function 'void solve()':
a.cc:18:26: error: 'i' was not declared in this scope
   18 |                 for(ll j=i;j<=n;j++)
      |                          ^
Language: C++

#include <bits/stdc++.h>
#define hell 1000000007
#define fast ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define pb push_back
#define ll long long int
#define pi 3.1415926536
using namespace std;
 
void solve()
{ll t,n,m,x,y,z,d,p=0,b=0,q,l=INT_MAX,k,mini=0,prev;
  cin>>n>>k;
  vector<ll> v(n+1,0),dp(n+1,INT_MAX);
  for(ll i=1;i<=n;i++)
  cin>>v[i];
  dp[0]=0;
  dp[1]=0;
  for(ll i=1;i<=k;i++)
  {
  		for(ll j=i;j<=n;j++)
  		{
  			for(ll r=1;r<=i&&(j-r)>=0;r++)
  			dp[j]=min(dp[j],dp[j-r]+abs(v[j]-v[j-r]));
		}
  }
  cout<<dp[n]<<" ";
 
}
 
int main()
{
 
ll t=1;
 
while(t--)
{solve();
 //cout<<ma<<endl;
}
return 0;}
#include <bits/stdc++.h>
#define hell 1000000007
#define fast ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define pb push_back
#define ll long long int
#define pi 3.1415926536
using namespace std;

void solve()
{ll t,n,m,x,y,z,d,p=0,b=0,q,l=INT_MAX,k,mini=0,prev;
  cin>>n; k=2;
  vector<ll> v(n+1,0),dp(n+1,INT_MAX);
  for(ll i=1;i<=n;i++)
  cin>>v[i];
  dp[0]=0;
  dp[1]=0;
  for(ll i=1;i<=k;i++)
  {
  		for(ll j=i;j<=n;j++)
  		{
  			for(ll r=1;r<=i&&(j-r)>=1;r++)
  			dp[j]=min(dp[j],dp[j-r]+abs(v[j]-v[j-r]));
		}
  }
  cout<<dp[n]<<" ";

}

int main()
{

ll t=1;


Compiler output:
a.cc:47:6: error: redefinition of 'void solve()'
   47 | void solve()
      |      ^~~~~
a.cc:9:6: note: 'void solve()' previously defined here
    9 | void solve()
      |      ^~~~~
a.cc:67:5: error: redefinition of 'int main()'
   67 | int main()
      |     ^~~~
a.cc:29:5: note: 'int main()' previously defined here
   29 | int main()
      |     ^~~~
a.cc: In function 'int main()':
a.cc:70:8: error: expected '}' at end of input
   70 | ll t=1;
      |        ^
a.cc:68:1: note: to match this '{'
   68 | {
      | ^
Language: C++

#include <iostream>
#include <vector>
#include <fstream>


#define F(i, L, R) for (int i = L; i < R; i++) //next four are for "for loops"
#define FE(i, L, R) for (int i = L; i <= R; i++)
#define FF(i, L, R) for (int i = L; i > R; i--)
#define FFE(i, L, R) for (int i = L; i >= R; i--)
#define getI(a) scanf("%d", &a) //next three are handy ways to get ints, it's also force you to use '&' sign
#define getII(a, b) scanf("%d%d", &a, &b)
#define getIII(a, b, c) scanf("%d%d%d", &a, &b, &c)
#define wez(n) int (n); scanf("%d",&(n)) //handy if the input is right after the definition of a variable/


#define maxN 200
using namespace std;
using namespace imports;

//class Frog1 {
//public:
    int h[10000];

    int solve() {
        int N, K;
//        freopen("/Users/fbrubacher/Downloads/atcoder.in", "r", stdin);
        cin >> N >> K;
        vi dp(N);
        F(i, 0 , N) cin >> h[i];
        F(i, 0, N) {
            for (int j = i + 1; j <= i + K; j++ ) {
                if (j < N )
                    dp[j] = min(dp[j], dp[i] + abs(h[i] - h[j]));
            }
        }

        printf("%d\n", dp[N-1]);
    }

//};

Compiler output:
a.cc:18:17: error: 'imports' is not a namespace-name
   18 | using namespace imports;
      |                 ^~~~~~~
a.cc: In function 'int solve()':
a.cc:28:9: error: 'vi' was not declared in this scope
   28 |         vi dp(N);
      |         ^~
a.cc:33:21: error: 'dp' was not declared in this scope
   33 |                     dp[j] = min(dp[j], dp[i] + abs(h[i] - h[j]));
      |                     ^~
a.cc:37:24: error: 'dp' was not declared in this scope
   37 |         printf("%d\n", dp[N-1]);
      |                        ^~
a.cc:38:5: warning: no return statement in function returning non-void [-Wreturn-type]
   38 |     }
      |     ^
Language: C++

{
    int n,i;
    cin>>n;
    vector<int>v;
    for(i=0;i<n;i++)
    {
        int a;
        cin>>a;
        v.push_back(a);
    }
    int dp[200000];
    dp[1]=0;
    dp[2]=v[1]-v[0];
    for(i=3;i<=n;i++)
    {
        dp[i]=min(dp[i-1]+abs(v[i-2]-v[i-1]),dp[i-2]+abs(v[i-2]-v[i-1]));
    }
    cout<<dp[n];
}

Compiler output:
a.cc:1:1: error: expected unqualified-id before '{' token
    1 | {
      | ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define MAXN 401

long long int v[MAXN],N;
long long int rangeTree[MAXN];
long long int memo[MAXN][MAXN];

inline long long int query(int a,int b){
	return rangeTree[b] - rangeTree[a] + v[a]; 
}

inline long long int dp(int a, int b){
	if(memo[a][b] != -1)return memo[a][b];
	if(a == b - 1)return memo[a][b] = v[a] + v[b];
	if(a == b)return 0;
	int ans = INT_MAX;
	for(int i = a; i < b; i++){
		ans = min(ans,dp(a,i) + dp(i + 1,b));
	}
	return memo[a][b] = ans + query(a,b);
}

int main() {
	cin >> N;
	for(int i = 0; i < N; i++){
		cin >> v[i];
	}
	rangeTree[0] = v[0];
	for(int i = 1; i < N; i++){
		rangeTree[i] = rangeTree[i - 1] + v[i];
	}
	memset(memo,-1,sizeof(memo));
	cout << dp(0,N - 1);
	return 0;
}

Compiler output:
a.cc: In function 'long long int dp(int, int)':
a.cc:21:26: error: no matching function for call to 'min(int&, long long int)'
   21 |                 ans = min(ans,dp(a,i) + dp(i + 1,b));
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:21:26: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   21 |                 ans = min(ans,dp(a,i) + dp(i + 1,b));
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:21:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   21 |                 ans = min(ans,dp(a,i) + dp(i + 1,b));
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
 
int main(){
  int n,temp,*dp;
  vector<int> arr;
 
  dp=(int*)malloc(n*sizeof(int));
  
  arr.push_back(-1);
  for(int i=0;i,n;i++){
  	scanf("%d",&temp);
    arr.push_back(temp);
  }
  
  if(n==1) return 0;
  if(n==2) return abs(arr[2]-arr[1]);
  
  dp[0]=-1;
  dp[1]=0;
  dp[2]=abs(arr[2]-arr[1]);
  
  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]));
  } 
   return dp[n]; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'vector' was not declared in this scope
    5 |   vector<int> arr;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:5:10: error: expected primary-expression before 'int'
    5 |   vector<int> arr;
      |          ^~~
a.cc:9:3: error: 'arr' was not declared in this scope
    9 |   arr.push_back(-1);
      |   ^~~
a.cc:23:15: error: 'min' was not declared in this scope; did you mean 'std::min'?
   23 |         dp[i]=min(dp[i-1]+abs(arr[i]-arr[i-1]),dp[i-2]+abs(arr[i]-arr[i-2]));
      |               ^~~
      |               std::min
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: 'std::min' declared here
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#include<iostream>
#include<vector>

int main(){
  int n,temp,*dp;
  vector<int> arr;
 
  dp=(int*)malloc(n*sizeof(int));
  
  arr.push_back(-1);
  for(int i=0;i,n;i++){
  	scanf("%d",&temp);
    arr.push_back(temp);
  }
  
  if(n==1) return 0;
  if(n==2) return abs(arr[2]-arr[1]);
  
  dp[0]=-1;
  dp[1]=0;
  dp[2]=abs(arr[2]-arr[1]);
  
  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]));
  } 
   return dp[n]; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector<int> arr;
      |   ^~~~~~
a.cc:6:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:6:10: error: expected primary-expression before 'int'
    6 |   vector<int> arr;
      |          ^~~
a.cc:10:3: error: 'arr' was not declared in this scope
   10 |   arr.push_back(-1);
      |   ^~~
a.cc:24:15: error: 'min' was not declared in this scope; did you mean 'std::min'?
   24 |         dp[i]=min(dp[i-1]+abs(arr[i]-arr[i-1]),dp[i-2]+abs(arr[i]-arr[i-2]));
      |               ^~~
      |               std::min
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: 'std::min' declared here
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
Language: Java

import java.io.*;
import java.util.*;
public class Solution {

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

}


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

import java.io.*;
import java.util.*;
public class frog1 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner inputs = new Scanner(System.in);
		int len = inputs.nextInt();
		int[] vals = new int[len];
		for(int i = 0;i<len;i++) {
			vals[i] = inputs.nextInt();
		}
		int[] stones = new int[len];
		stones[0] = 0;
		stones[1] = Math.abs(vals[0]-vals[1]);
		for(int i=2;i<len;i++) {
			stones[i] = Math.min(Math.abs(vals[i-1]-vals[i])+stones[i-1], Math.abs(vals[i-2] - vals[i])+stones[i-2]);
		}
		System.out.println(stones[len-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: C++

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


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

int main(void){
    int N;
    cin >> N;

    vector<long long> h(N+2);
    vector<long long> dp(N+2, LLONG_MAX);

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

    dp[0] = 0;

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

    cout << dp[N-1] << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:31: error: 'LLONG_MAX' was not declared in this scope
   20 |     vector<long long> dp(N+2, LLONG_MAX);
      |                               ^~~~~~~~~
a.cc:4:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include <cstdlib>
  +++ |+#include <climits>
    4 | using namespace std;
Language: C++

#include <iostream>
#include <vector>
using namespace std;

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

int main(void){
    int N;
    cin >> N;

    vector<int> h(100010;
    vector<int> dp(100010, 100000);

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

    dp[0] = 0;

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

    cout << dp[N-1] << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:25: error: expected ')' before ';' token
   17 |     vector<int> h(100010;
      |                  ~      ^
      |                         )
Language: C++

n = int(input())
vals = [*map(int, input().split())]
dp = [0] * n

dp[0] = 0 
dp[1] = abs(vals[0] - vals[1])

for i in range(2,n):
    dp[i] = min( dp[i-1] + abs(vals[i] - vals[i-1]), \
            dp[i-2] + abs(vals[i] - vals[i-2]))

print(dp[n-1])


Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n = int(input())
      | ^