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

#include<bits/stdc++.h>
using namespace std;
#define N 101010
#define inf = 99999999
int n ;
long long a[N], dp[N] ;

signed main(){
	scanf("%d", &n) ;
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
	for (int i = 0; i <= n; i++) dp[i] = linf ;
	dp[1] = 0ll ;
	for (int i = 2; i <= n; i++)
	dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
	printf("%lld\n", dp[n]) ;
	return 0 ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:46: error: 'linf' was not declared in this scope; did you mean 'sinf'?
   11 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                              ^~~~
      |                                              sinf
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define N 101010
#define linf = -99999999
int n ;
long long a[N], dp[N] ;

signed main(){
	scanf("%d", &n) ;
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
	for (int i = 0; i <= n; i++) dp[i] = linf ;
	dp[1] = 0ll ;
	for (int i = 2; i <= n; i++)
	dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
	printf("%lld\n", dp[n]) ;
	return 0 ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:14: error: expected primary-expression before '=' token
    4 | #define linf = -99999999
      |              ^
a.cc:11:46: note: in expansion of macro 'linf'
   11 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                              ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define N 101010
int n ;
long long a[N], dp[N] ;

signed main(){
	scanf("%d", &n) ;
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
	for (int i = 0; i <= n; i++) dp[i] = linf ;
	dp[1] = 0ll ;
	for (int i = 2; i <= n; i++)
	dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
	printf("%lld\n", dp[n]) ;
	return 0 ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:46: error: 'linf' was not declared in this scope; did you mean 'sinf'?
   10 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                              ^~~~
      |                                              sinf
Language: C++

#include<cstdio>
using namespace std;
#define N 101010
int n ;
long long a[N], dp[N] ;

signed main(){
	scanf("%d", &n) ;
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
	for (int i = 0; i <= n; i++) dp[i] = linf ;
	dp[1] = 0ll ;
	for (int i = 2; i <= n; i++)
	dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
	printf("%lld\n", dp[n]) ;
	return 0 ;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:46: error: 'linf' was not declared in this scope
   10 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                              ^~~~
a.cc:13:44: error: 'abs' was not declared in this scope
   13 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                                            ^~~
a.cc:13:28: error: 'min' was not declared in this scope; did you mean 'main'?
   13 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                            ^~~
      |                            main
a.cc:13:17: error: 'min' was not declared in this scope; did you mean 'main'?
   13 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                 ^~~
      |                 main
Language: C++

#include<cstdio>
using namespace std;
int n ;
long long a[N], dp[N] ;

signed main(){
	scanf("%d", &n) ;
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
	for (int i = 0; i <= n; i++) dp[i] = linf ;
	dp[1] = 0ll ;
	for (int i = 2; i <= n; i++)
	dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
	printf("%lld\n", dp[n]) ;
	return 0 ;
}


Compiler output:
a.cc:4:13: error: 'N' was not declared in this scope
    4 | long long a[N], dp[N] ;
      |             ^
a.cc:4:20: error: 'N' was not declared in this scope
    4 | long long a[N], dp[N] ;
      |                    ^
a.cc: In function 'int main()':
a.cc:8:53: error: 'a' was not declared in this scope
    8 |         for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
      |                                                     ^
a.cc:9:38: error: 'dp' was not declared in this scope
    9 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                      ^~
a.cc:9:46: error: 'linf' was not declared in this scope
    9 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                              ^~~~
a.cc:10:9: error: 'dp' was not declared in this scope
   10 |         dp[1] = 0ll ;
      |         ^~
a.cc:12:48: error: 'a' was not declared in this scope
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                                                ^
a.cc:12:44: error: 'abs' was not declared in this scope
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                                            ^~~
a.cc:12:28: error: 'min' was not declared in this scope; did you mean 'main'?
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                            ^~~
      |                            main
a.cc:12:17: error: 'min' was not declared in this scope; did you mean 'main'?
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                 ^~~
      |                 main
Language: C++

#include<cstdio>
using namespace std;
int n ;
ll a[N], dp[N] ;

signed main(){
	scanf("%d", &n) ;
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
	for (int i = 0; i <= n; i++) dp[i] = linf ;
	dp[1] = 0ll ;
	for (int i = 2; i <= n; i++)
	dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
	printf("%lld\n", dp[n]) ;
	return 0 ;
}

Compiler output:
a.cc:4:1: error: 'll' does not name a type
    4 | ll a[N], dp[N] ;
      | ^~
a.cc: In function 'int main()':
a.cc:8:53: error: 'a' was not declared in this scope
    8 |         for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
      |                                                     ^
a.cc:9:38: error: 'dp' was not declared in this scope
    9 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                      ^~
a.cc:9:46: error: 'linf' was not declared in this scope
    9 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                              ^~~~
a.cc:10:9: error: 'dp' was not declared in this scope
   10 |         dp[1] = 0ll ;
      |         ^~
a.cc:12:48: error: 'a' was not declared in this scope
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                                                ^
a.cc:12:44: error: 'abs' was not declared in this scope
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                                            ^~~
a.cc:12:28: error: 'min' was not declared in this scope; did you mean 'main'?
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                            ^~~
      |                            main
a.cc:12:17: error: 'min' was not declared in this scope; did you mean 'main'?
   12 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                 ^~~
      |                 main
Language: C++

int n ;
ll a[N], dp[N] ;

signed main(){
	scanf("%d", &n) ;
	for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
	for (int i = 0; i <= n; i++) dp[i] = linf ;
	dp[1] = 0ll ;
	for (int i = 2; i <= n; i++)
	dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
	printf("%lld\n", dp[n]) ;
	return 0 ;
}

Compiler output:
a.cc:2:1: error: 'll' does not name a type
    2 | ll a[N], dp[N] ;
      | ^~
a.cc: In function 'int main()':
a.cc:5:9: error: 'scanf' was not declared in this scope
    5 |         scanf("%d", &n) ;
      |         ^~~~~
a.cc:6:53: error: 'a' was not declared in this scope
    6 |         for (int i = 1; i <= n; i++) scanf("%lld", &a[i]) ;
      |                                                     ^
a.cc:7:38: error: 'dp' was not declared in this scope
    7 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                      ^~
a.cc:7:46: error: 'linf' was not declared in this scope
    7 |         for (int i = 0; i <= n; i++) dp[i] = linf ;
      |                                              ^~~~
a.cc:8:9: error: 'dp' was not declared in this scope
    8 |         dp[1] = 0ll ;
      |         ^~
a.cc:10:48: error: 'a' was not declared in this scope
   10 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                                                ^
a.cc:10:44: error: 'abs' was not declared in this scope
   10 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                                            ^~~
a.cc:10:28: error: 'min' was not declared in this scope; did you mean 'main'?
   10 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                            ^~~
      |                            main
a.cc:10:17: error: 'min' was not declared in this scope; did you mean 'main'?
   10 |         dp[i] = min(dp[i], min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]))) ;
      |                 ^~~
      |                 main
a.cc:11:9: error: 'printf' was not declared in this scope
   11 |         printf("%lld\n", dp[n]) ;
      |         ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int n ;
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.PriorityQueue;
import java.util.StringTokenizer;

public class A {
	public static void main(String[] args) throws IOException {
		FastScanner in= new FastScanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		
		int n = in.nextInt();
		int [] a = new int[n];
		for (int i = 0; i < a.length; i++) {
			a[i] = in.nextInt();
		}
		int [] dp = new int[n];
		dp[0] = 0;
		if(n ==1) {
			System.out.println(0);
			return;
		}
		dp[1] = Math.abs(a[1]-a[0]);
		for (int i = 2; i < dp.length; i++) {
			dp[i] = Math.min(dp[i-1] + Math.abs(a[i] - a[i-1]), dp[i-2] + Math.abs(a[i] - a[i-2]));
		}
		System.out.println(dp[n-1]);
	}
	
	static class FastScanner {
		BufferedReader br;
		StringTokenizer st;

		public FastScanner(InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
			st = new StringTokenizer("");
		}

		public String next() throws IOException {
			if (!st.hasMoreTokens()) {
				st = new StringTokenizer(br.readLine());
				return next();
			}
			return st.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}
		public double nextDouble() throws NumberFormatException, IOException {
			return Double.parseDouble(next());
		}
		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}
	}
}
/*
6 4
0 3 4 6 10 12

7 4
0 3 4 6 10 14 16

*/

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

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define F(i,a,b) for(long long i=a;i<=b;i++)
long long  w[1001],v[1001],f[107][100007];

int main()
{
ll n,W,s=0;

cin>>n>>W;
F(i,1,n){   cin>>w[i]>>v[i]; s+=v[i]; }
F(i,1,s)f[0][i]=30000000000;
F(i,1,n)F(j,1,s)
{
   f[i][j]=f[i-1][j];
   if(j>=v[i])f[i][j]=min(f[i][j],f[i-1][j-v[i]]+w[i]);
}
for(i=s;i>=1;i--)
if(f[n][i]<=W){ cout<<i;  break;}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'i' was not declared in this scope
   19 | for(i=s;i>=1;i--)
      |     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define F(i,a,b) for(long long i=a;i<=b;i++)
ll w[1001],v[1001],f[107][100007];

int main()
{
ll n,W,s=0;

cin>>n>>W;
F(i,1,n){   cin>>w[i]>>v[i]; s+=v[i]; }
F(i,1,s)f[0][i]=30000000000;
F(i,1,n)F(j,1,s)
{
   f[i][j]=f[i-1][j];
   if(j>=v[i])f[i][j]=min(f[i][j],f[i-1][j-v[i]]+w[i]);
}
for(i=s;i>=1;i--)
if(f[n][i]<=W){ cout<<i;  break;}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'i' was not declared in this scope
   19 | for(i=s;i>=1;i--)
      |     ^
Language: Java

import java.util.*;

import java.io.*;
public class Test {
	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	static StringTokenizer st;
       public static long knapSack(int W,  int n,object[]objects) { 
		 
	long K[][] = new long[n+1][W+1];
	for (int i = 0; i <= n; i++) {
	 
		for (int w = 0; w <= W; w++) { 
			if (i==0 || w==0) 
				K[i][w] = 0; 
			else if (objects[i-1].weight <= w) 
				K[i][w] = Math.max(objects[i-1].value + K[i-1][w-objects[i-1].weight], K[i-1][w]); 
			else
				K[i][w] = K[i-1][w]; 
		} 
	} 
	
	return K[n][W]; 
	} 
	public static void main(String[] args) throws IOException{
       int n = readInt(), h[] = new int[n+1],dp[] = new int[n+1];
       for(int i=1;i<=n;i++)h[i]=readInt();
       dp[2] = Math.abs(h[2]-h[1]);
       for(int i=3;i<=n;i++)dp[i]= Math.min(Math.abs(h[i]-h[i-1])+dp[i-1], dp[i-2]+ Math.abs(h[i]-h[i-2]));
       System.out.println(dp[n]);
       
        }
	static String next () throws IOException {
		while (st == null || !st.hasMoreTokens())
			st = new StringTokenizer(br.readLine().trim());
		return st.nextToken();
	}
	static long readLong () throws IOException {
		return Long.parseLong(next());
	}
	static int readInt () throws IOException {
		return Integer.parseInt(next());
	}
	static double readDouble () throws IOException {
		return Double.parseDouble(next());
	}
	static char readCharacter () throws IOException {
		return next().charAt(0);
	}
	static String readLine () throws IOException {
		return br.readLine().trim();
	}static class object{
        int weight; long value;
        object(int s, long d){ weight = s; value = d;}
    }
}

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

#include <bits/stdc++.h>
using namespace std;
int n,arr[3009];
long long dp[3009][3009];
long long bt(int l,int r){
	if(l == r) return arr[l];
	long long &ret = dp[l][r];
	if(ret != -1000000000000009ll) return ret;
	ret = max(arr[l]-bt(l+1,r),arr[r],bt(l,r-1));
	return ret;
}
int main(){
	cin>>n;
	for(int i=0;i<n;i++) cin>>arr[i];
	for(int i=0;i<3001;i++){
		for(int j=0;j<3001;j++) dp[i][j] = -1000000000000009ll;
	}
	cout<<bt(0,n-1)<<endl;
}


Compiler output:
a.cc: In function 'long long int bt(int, int)':
a.cc:9:18: error: no matching function for call to 'max(long long int, int&, long long int)'
    9 |         ret = max(arr[l]-bt(l+1,r),arr[r],bt(l,r-1));
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 3 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   template argument deduction/substitution failed:
a.cc:9:18: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
    9 |         ret = max(arr[l]-bt(l+1,r),arr[r],bt(l,r-1));
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 3 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 3 provided
Language: C++

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <map>
#include <cstdio>
#include <vector>
#include <string>
#include <set>
#include <cmath>
#include <stack>
#include <deque>
#include <queue>

#define forn(i,n) for (int i=0;i<(int )(n);++i)
#define for1(i,n) for (int i=1;i<=(int )(n);++i)
#define fore(i,l,r) for (int i=(int )(l);i<=(int )(r);++i)
#define ford(i,n) for (int i=(int)(n)-1;i>=0;--i)
#define rfore(i,l,r) for (int i=(int)(l);i>=(int)(r);--i)
#define INT_MAX 1e7+1
#define int long long

const int maxn=1e6+5;
const long long mod= 1e9+7;
const int base=1331;

using namespace std;
typedef long long ll;
typedef unsigned long long ull;

int n;
int a[maxn];
int dp[maxn];

void read (void)
{
   cin >>n;
  for1(i,n) cin >>a[i];
  dp[1]=0;
  dp[2]=abs(a[2]-a[1]);
  fore(i,2,n)
    dp[i]=min(dp[i-1]+abs(a[i]-a[i-1]),dp[i-2]+abs(a[i]-a[i-2]);
              cout <<dp[n];
}

signed main (void)
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    read();
}


Compiler output:
a.cc: In function 'void read()':
a.cc:41:64: error: expected ')' before ';' token
   41 |     dp[i]=min(dp[i-1]+abs(a[i]-a[i-1]),dp[i-2]+abs(a[i]-a[i-2]);
      |              ~                                                 ^
      |                                                                )
Language: Java

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

public class Frog1 {
	public void run() throws Exception {
		FastScanner file = new FastScanner();
		int N = file.nextInt();
		long[] h = new long[N + 1];
		long[] dp = new long[N + 1];
		dp[1] = 0;
		for(int i = 1; i <= N; i++) h[i] = file.nextLong();
		for(int i = 2; i <= N; i++) {
			dp[i] = Math.min(dp[i-2] + Math.abs(h[i] - h[i-2]), dp[i-1] + Math.abs(h[i] - h[i-1]));
		}
		System.out.println(dp[N]);
	}
	class FastScanner {
		public BufferedReader reader;
		public StringTokenizer tokenizer;

		public FastScanner() {
			reader = new BufferedReader(new InputStreamReader(System.in), 32768);
			tokenizer = null;
		}

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

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

		public long nextLong() {
			return Long.parseLong(next());
		}

		public double nextDouble() {
			return Double.parseDouble(next());
		}

		public String nextLine() {
			try {
				return reader.readLine();
			} catch (IOException e) {
				throw new RuntimeException(e);
			}
		}

	}
	public static void main(String[] args) throws Exception {
		new Frog1().run();
	}
}


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

import java.util.*;
import java.io.*;
import java.awt.Point;
import java.math.BigInteger;

public class frog1 {

	public static void main(String[] args) throws Exception {
		FastIO sc = new FastIO(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		
		int N = sc.nextInt();
		int[] h = new int[N];
		for(int i = 0; i < N; i++) {
			h[i] = sc.nextInt();
		}
		
		int[] minCost = new int[N];
		Arrays.fill(minCost, (int)2e9);
		minCost[0] = 0;
		for(int i = 0; i < N; i++) {
			if(i+2 < N) minCost[i+2] = Math.min(minCost[i+2], minCost[i]+Math.abs(h[i+2]-h[i]));
			if(i+1 < N) minCost[i+1] = Math.min(minCost[i+1], minCost[i]+Math.abs(h[i+1]-h[i]));
		}
		
		pw.println(minCost[N-1]);
		pw.close();
		
	}

	static class FastIO {

		//Is your Fast I/O being bad?

		InputStream dis;
		byte[] buffer = new byte[1 << 17];
		int pointer = 0;

		public FastIO(String fileName) throws Exception {
			dis = new FileInputStream(fileName);
		}

		public FastIO(InputStream is) throws Exception {
			dis = is;
		}

		int nextInt() throws Exception {
			int ret = 0;

			byte b;
			do {
				b = nextByte();
			} while (b <= ' ');
			boolean negative = false;
			if (b == '-') {
				negative = true;
				b = nextByte();
			}
			while (b >= '0' && b <= '9') {
				ret = 10 * ret + b - '0';
				b = nextByte();
			}

			return (negative) ? -ret : ret;
		}

		long nextLong() throws Exception {
			long ret = 0;

			byte b;
			do {
				b = nextByte();
			} while (b <= ' ');
			boolean negative = false;
			if (b == '-') {
				negative = true;
				b = nextByte();
			}
			while (b >= '0' && b <= '9') {
				ret = 10 * ret + b - '0';
				b = nextByte();
			}

			return (negative) ? -ret : ret;
		}

		byte nextByte() throws Exception {
			if (pointer == buffer.length) {
				dis.read(buffer, 0, buffer.length);
				pointer = 0;
			}
			return buffer[pointer++];
		}

		String next() throws Exception {
			StringBuffer ret = new StringBuffer();

			byte b;
			do {
				b = nextByte();
			} while (b <= ' ');
			while (b > ' ') {
				ret.appendCodePoint(b);
				b = nextByte();
			}

			return ret.toString();
		}

	}
}


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

import java.util.*;
import java.io.*;
import java.awt.Point;
import java.math.BigInteger;

public class frog1 {

	public static void main(String[] args) throws Exception {
		FastIO sc = new FastIO(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		
		int N = sc.nextInt();
		int[] h = new int[N];
		for(int i = 0; i < N; i++) {
			h[i] = sc.nextInt();
		}
		
		int[] minCost = new int[N];
		Arrays.fill(minCost, (int)2e9);
		minCost[0] = 0;
		for(int i = 0; i < N; i++) {
			if(i+2 < N) minCost[i+2] = Math.min(minCost[i+2], minCost[i]+Math.abs(h[i+2]-h[i]));
			if(i+1 < N) minCost[i+1] = Math.min(minCost[i+1], minCost[i]+Math.abs(h[i+1]-h[i]));
		}
		
		pw.println(minCost[N-1]);
		pw.close();
		
	}

	static class FastIO {

		//Is your Fast I/O being bad?

		InputStream dis;
		byte[] buffer = new byte[1 << 17];
		int pointer = 0;

		public FastIO(String fileName) throws Exception {
			dis = new FileInputStream(fileName);
		}

		public FastIO(InputStream is) throws Exception {
			dis = is;
		}

		int nextInt() throws Exception {
			int ret = 0;

			byte b;
			do {
				b = nextByte();
			} while (b <= ' ');
			boolean negative = false;
			if (b == '-') {
				negative = true;
				b = nextByte();
			}
			while (b >= '0' && b <= '9') {
				ret = 10 * ret + b - '0';
				b = nextByte();
			}

			return (negative) ? -ret : ret;
		}

		long nextLong() throws Exception {
			long ret = 0;

			byte b;
			do {
				b = nextByte();
			} while (b <= ' ');
			boolean negative = false;
			if (b == '-') {
				negative = true;
				b = nextByte();
			}
			while (b >= '0' && b <= '9') {
				ret = 10 * ret + b - '0';
				b = nextByte();
			}

			return (negative) ? -ret : ret;
		}

		byte nextByte() throws Exception {
			if (pointer == buffer.length) {
				dis.read(buffer, 0, buffer.length);
				pointer = 0;
			}
			return buffer[pointer++];
		}

		String next() throws Exception {
			StringBuffer ret = new StringBuffer();

			byte b;
			do {
				b = nextByte();
			} while (b <= ' ');
			while (b > ' ') {
				ret.appendCodePoint(b);
				b = nextByte();
			}

			return ret.toString();
		}

	}
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.io.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.awt.Point;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: 'import' does not name a type
    4 | import java.math.BigInteger;
      | ^~~~~~
a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:6:1: error: expected unqualified-id before 'public'
    6 | public class frog1 {
      | ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define vi vector<ll>
#define vvi vector<vi>
#define mod 1000000007
 
#define p(x) cout<<x<<" ";
#define p2(x,y) cout<<x<<" "<<y<<" "
#define p3(x,y,z) cout<<x<<" "<<y<<" "<<z<<" "
#define F(i,a,b) for(ll i=a;i<=b;i++)
#define RF(i,a,b) for(ll i=a;i>=b;i--)
 
#define ff first
#define ss second
#define mp(x,y) make_pair(x,y)
#define pi pair<ll,ll>
#define ppi pair<ll,pi>
#define pb push_back
#define all(v) v.begin(), v.end() 

ll dp[100005];
ll solve(ll * v,ll n){
  if(n<=0)
    return 0;
  if(n==1)
    return 0;
  if(n==2)
    return abs(h[1]-h[0]);
  if(dp[n]!=-1)
    return dp[n];
  ll result=min(abs(v[n-1]-v[n-2])+solve(v,n-1),abs(v[n-1]-v[n-3])+solve(v,n-2));
  dp[n]=result;
return dp[n];
} 

int main()
{

ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cout<<fixed<<setprecision(6);

// #ifndef ONLINE_JUDGE
// freopen("input.txt","r",stdin);
// freopen("output.txt","w",stdout);
// #endif
  
    ll t=1;
    //cin>>t;
    
    while(t--)
    {
      ll n;
      cin>>n;
    ll v[100005];
      memset(dp,-1,sizeof(dp));
      F(i,0,n-1) cin>>v[i];
      cout<<solve(v,n);

    }
        
}

Compiler output:
a.cc: In function 'long long int solve(long long int*, long long int)':
a.cc:29:16: error: 'h' was not declared in this scope
   29 |     return abs(h[1]-h[0]);
      |                ^
Language: C++

include <bits/stdc++.h>
using namespace std;
template <class T> inline bool chMin(T& a,T b){if(a>b){a=b;return true;}else{return false;}};
const int inf=1e9;
  
int main(){
    int N,K;
    cin >>N >>K;
    vector<int> h(N);
    for (int i=0;i<N;i++)cin >>h[i];
    vector<int> mem(N+K,inf); 
    mem[0]=0;
    for(int i=0;i<N;i++){
        for(int j=0;j<K;j++){
            chMin(mem[i+j+1],mem[i]+abs(h[i+j+1]-h[i]));
        }
    }
    cout <<mem[N-1]<<endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:8:5: error: 'cin' was not declared in this scope
    8 |     cin >>N >>K;
      |     ^~~
a.cc:9:5: error: 'vector' was not declared in this scope
    9 |     vector<int> h(N);
      |     ^~~~~~
a.cc:9:12: error: expected primary-expression before 'int'
    9 |     vector<int> h(N);
      |            ^~~
a.cc:10:32: error: 'h' was not declared in this scope
   10 |     for (int i=0;i<N;i++)cin >>h[i];
      |                                ^
a.cc:11:12: error: expected primary-expression before 'int'
   11 |     vector<int> mem(N+K,inf);
      |            ^~~
a.cc:12:5: error: 'mem' was not declared in this scope
   12 |     mem[0]=0;
      |     ^~~
a.cc:15:41: error: 'h' was not declared in this scope
   15 |             chMin(mem[i+j+1],mem[i]+abs(h[i+j+1]-h[i]));
      |                                         ^
a.cc:15:37: error: 'abs' was not declared in this scope
   15 |             chMin(mem[i+j+1],mem[i]+abs(h[i+j+1]-h[i]));
      |                                     ^~~
a.cc:18:5: error: 'cout' was not declared in this scope
   18 |     cout <<mem[N-1]<<endl;
      |     ^~~~
a.cc:18:22: error: 'endl' was not declared in this scope
   18 |     cout <<mem[N-1]<<endl;
      |                      ^~~~
Language: Java

import java.util.*;

public class Main
{
  static Integer[] memo;
  public static void main(String[] args)
  {
    Scanner in = new Scanner(System.in);
    int n = in.nextInt();
    int[] h = new int[n];
    for (int i = 0; i < n; i++)
      h[i] = in.nextInt();
    
  	memo = new Integer[n];
    System.out.println(dp(0));
    in.close();
  }
  
  public static int dp(int at)
  {
    if (at > n)
      	return (int)1e9;
    if (at == n)
      	return 0;
   	if (memo[at] != null)
    	return memo[at];
    return memo[at] = Math.min(1+dp(at+1), 1+dp(at+2));
 }
}

Compiler output:
Main.java:21: error: cannot find symbol
    if (at > n)
             ^
  symbol:   variable n
  location: class Main
Main.java:23: error: cannot find symbol
    if (at == n)
              ^
  symbol:   variable n
  location: class Main
2 errors
Language: Java

import java.util.*;

public class Main
{
  static Integer[] memo;
  public static void main(String[] args)
  {
    Scanner in = new Scanner(System.in);
    int n = in.nextInt();
    int[] h = new int[n];
    for (int i = 0; i < n; i++)
      h[i] = in.nextInt();
    
  	memo = new Integer[n];
    System.out.println(dp(0));
    in.close();
  }
  
  public static int dp(int at)
  {
    if (at > n)
      	return (int)1e9;
    if (at == n)
      	return 0;
   	if (memo[at] != null)
    	return memo[at];
    return memo[at] = Math.min(1+dp(at+1), 1+dp(at+2));
}

Compiler output:
Main.java:28: error: reached end of file while parsing
}
 ^
1 error
Language: C++

def frog(list):
    n=len(list)
    dp = [0 for i in range(n)]
    dp[0]=0
    dp[1]=abs(list[1]-list[0]);
    for i in range(2,n):
        dp[i]=min((dp[i-1]+abs(list[i]-list[i-1])),dp[i-2]+abs(list[i]-list[i-2]))

    return dp[n-1]








n=int(input())
L=list(map(int,input().split()))
x=frog(L)
print(x)



Compiler output:
a.cc:1:1: error: 'def' does not name a type
    1 | def frog(list):
      | ^~~
a.cc:6:5: error: expected unqualified-id before 'for'
    6 |     for i in range(2,n):
      |     ^~~
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: 'INT_MAX' was not declared in this scope
   10 |         dp[i]=INT_MAX;
      |               ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include <algorithm>
  +++ |+#include <climits>
    3 | using namespace std;
Language: C++

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

int main(){
	int N;
  cin >> N;
   vector<int> h(N);
for (int i=0;i<N;i++){
 cin >> h[i]; 
}
vector<int> mem(N);
for(int x:mem){x==-1;};
  
int cost(int i) {
 if(mem[i]>=0)return mem[i];  
  
 if(i==0)return mem[0]=0;
 if(i==1)return mem[1]=abs(h[1]-h[0]);
  
 return mem[i]=min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]));
}
  

  

cout << cost(N-1) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: a function-definition is not allowed here before '{' token
   15 | int cost(int i) {
      |                 ^
a.cc:27:9: error: 'cost' was not declared in this scope; did you mean 'const'?
   27 | cout << cost(N-1) <<endl;
      |         ^~~~
      |         const
Language: C++

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

int main(){
	int N;
  cin >> N;
   vector<int> h(N);
for (int i=0;i<N;i++){
 cin >> h[i]; 
}
vector<int> mem(N);
for(int x:mem){x==-1;};
  
int cost(int i){
 if(mem[i]>=0)return mem[i];  
  
 if(i==0)return mem[0]=0;
 if(i==1)return mem[1]=abs(h[1]-h[0]);
  
 return mem[i]=min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]));
}
  

  

cout << cost(N-1) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: a function-definition is not allowed here before '{' token
   15 | int cost(int i){
      |                ^
a.cc:27:9: error: 'cost' was not declared in this scope; did you mean 'const'?
   27 | cout << cost(N-1) <<endl;
      |         ^~~~
      |         const
Language: C++

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

int main(){
	int N;
  cin >> N;
   vector<int> h(N);
for (int i=0;i<N;i++){
 cin >> h[i]; 
}
vector<int> mem(N);
for(int x:mem){x==-1};
  
int cost(int i){
 if(mem[i]>=0)return mem[i];  
  
 if(i==0)return mem[0]=0;
 if(i==1)return mem[1]=abs(h[1]-h[0]);
  
 return mem[i]=min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]));
}
  

  

cout << cost(N-1) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:21: error: expected ';' before '}' token
   13 | for(int x:mem){x==-1};
      |                     ^
      |                     ;
a.cc:15:16: error: a function-definition is not allowed here before '{' token
   15 | int cost(int i){
      |                ^
a.cc:27:9: error: 'cost' was not declared in this scope; did you mean 'const'?
   27 | cout << cost(N-1) <<endl;
      |         ^~~~
      |         const
Language: C++

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





int main(){
	int N;
  cin >> N;
   vector<int> h(N);
for (int i=0;i<N;i++){
 cin >> h[i]; 
}
vector<int> mem(N);
  memset(mem,-1,sizeof(mem));
  
int cost(int i){
 if(mem[i]>=0)return mem[i];  
  
 if(i==0)return mem[0]=0;
 if(i==1)return mem[1]=abs(h[1]-h[0]);
  
 return mem[i]=min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]));
}
  

  

cout << cost(N-1) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: 'memset' was not declared in this scope
   17 |   memset(mem,-1,sizeof(mem));
      |   ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include <vector>
  +++ |+#include <cstring>
    3 | using namespace std;
a.cc:19:16: error: a function-definition is not allowed here before '{' token
   19 | int cost(int i){
      |                ^
a.cc:31:9: error: 'cost' was not declared in this scope; did you mean 'const'?
   31 | cout << cost(N-1) <<endl;
      |         ^~~~
      |         const
Language: C++

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





int main(){
	int N;
  cin >> N;
   vector<int> h(N);
for (int i=0;i<N;i++){
 cin >> h[i]; 
}
vector<int> mem(N);
  memset(mem,-1,sizeof(mem));
  
int cost(int i){
 if(mem[i]>=0)return mem[i];  
  
 if(i==0)return mem[0]=0;
 if(i==1)return mem[1]=abs(h[1]-h[0]);
  
 return mem[i]=min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]));
}
  

  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: 'memset' was not declared in this scope
   17 |   memset(mem,-1,sizeof(mem));
      |   ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include <vector>
  +++ |+#include <cstring>
    3 | using namespace std;
a.cc:19:16: error: a function-definition is not allowed here before '{' token
   19 | int cost(int i){
      |                ^
a.cc:31:9: error: 'cost' was not declared in this scope; did you mean 'const'?
   31 | cout << cost(N-1,h) <<endl;
      |         ^~~~
      |         const
Language: C++

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



int cost(int i,vector<int> h){
  int ret;
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]);
 ret= min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1])):
  return ret;
}


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


  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int cost(int, std::vector<int>)':
a.cc:11:71: error: expected ';' before ':' token
   11 |  ret= min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1])):
      |                                                                       ^
      |                                                                       ;
a.cc:11:5: warning: control reaches end of non-void function [-Wreturn-type]
   11 |  ret= min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1])):
      |  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

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



int cost(int i,vector<int> h){
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]); 
  return min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1])):
}


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


  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int cost(int, std::vector<int>)':
a.cc:10:74: error: expected ';' before ':' token
   10 |   return min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1])):
      |                                                                          ^
      |                                                                          ;
a.cc:10:74: error: expected primary-expression before ':' token
Language: C++

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



int cost(int i,vector<int> h){
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]); 
  return min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1]):
}


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


  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int cost(int, std::vector<int>)':
a.cc:10:73: error: expected ')' before ':' token
   10 |   return min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1]):
      |              ~                                                          ^
      |                                                                         )
a.cc:10:74: error: expected ';' before '}' token
   10 |   return min (cost(i-2,h) +abs(h[i]-h[i-2]),cost(i-1,h)+abs(h[i]-h[i-1]):
      |                                                                          ^
      |                                                                          ;
   11 | }
      | ~
Language: C++

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



int cost(int i,vector<int> h){
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]); 
  return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
}


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


  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int cost(int, std::vector<int>)':
a.cc:10:19: error: too few arguments to function 'int cost(int, std::vector<int>)'
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |               ~~~~^~~~~
a.cc:7:5: note: declared here
    7 | int cost(int i,vector<int> h){
      |     ^~~~
a.cc:10:47: error: too few arguments to function 'int cost(int, std::vector<int>)'
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                                           ~~~~^~~~~
a.cc:7:5: note: declared here
    7 | int cost(int i,vector<int> h){
      |     ^~~~
a.cc:10:70: error: expected ';' before '}' token
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                                                                      ^
      |                                                                      ;
   11 | }
      | ~                                                                     
a.cc: In function 'int main()':
a.cc:16:6: error: expected ';' before 'N'
   16 |   cin N;
      |      ^~
      |      ;
Language: C++

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



int cost(int i,vetor<int> h){
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]); 
  return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
}


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


  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc:7:16: error: 'vetor' has not been declared
    7 | int cost(int i,vetor<int> h){
      |                ^~~~~
a.cc:7:21: error: expected ',' or '...' before '<' token
    7 | int cost(int i,vetor<int> h){
      |                     ^
a.cc: In function 'int cost(int, int)':
a.cc:9:21: error: 'h' was not declared in this scope
    9 |  if(i==1)return abs(h[1]-h[0]);
      |                     ^
a.cc:10:19: error: too few arguments to function 'int cost(int, int)'
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |               ~~~~^~~~~
a.cc:7:5: note: declared here
    7 | int cost(int i,vetor<int> h){
      |     ^~~~
a.cc:10:30: error: 'h' was not declared in this scope
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                              ^
a.cc:10:47: error: too few arguments to function 'int cost(int, int)'
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                                           ~~~~^~~~~
a.cc:7:5: note: declared here
    7 | int cost(int i,vetor<int> h){
      |     ^~~~
a.cc:10:70: error: expected ';' before '}' token
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                                                                      ^
      |                                                                      ;
   11 | }
      | ~                                                                     
a.cc: In function 'int main()':
a.cc:16:6: error: expected ';' before 'N'
   16 |   cin N;
      |      ^~
      |      ;
a.cc:25:18: error: cannot convert 'std::vector<int>' to 'int'
   25 | cout << cost(N-1,h) <<endl;
      |                  ^
      |                  |
      |                  std::vector<int>
a.cc:7:16: note:   initializing argument 2 of 'int cost(int, int)'
    7 | int cost(int i,vetor<int> h){
      |                ^~~~~
Language: C++

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



int cost(int i,vetrot<int> h){
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]); 
  return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
}


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


  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc:7:16: error: 'vetrot' has not been declared
    7 | int cost(int i,vetrot<int> h){
      |                ^~~~~~
a.cc:7:22: error: expected ',' or '...' before '<' token
    7 | int cost(int i,vetrot<int> h){
      |                      ^
a.cc: In function 'int cost(int, int)':
a.cc:9:21: error: 'h' was not declared in this scope
    9 |  if(i==1)return abs(h[1]-h[0]);
      |                     ^
a.cc:10:19: error: too few arguments to function 'int cost(int, int)'
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |               ~~~~^~~~~
a.cc:7:5: note: declared here
    7 | int cost(int i,vetrot<int> h){
      |     ^~~~
a.cc:10:30: error: 'h' was not declared in this scope
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                              ^
a.cc:10:47: error: too few arguments to function 'int cost(int, int)'
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                                           ~~~~^~~~~
a.cc:7:5: note: declared here
    7 | int cost(int i,vetrot<int> h){
      |     ^~~~
a.cc:10:70: error: expected ';' before '}' token
   10 |   return min (cost(i-2) +abs(h[i]-h[i-2]),cost(i-1)+abs(h[i]-h[i-1]):
      |                                                                      ^
      |                                                                      ;
   11 | }
      | ~                                                                     
a.cc: In function 'int main()':
a.cc:16:6: error: expected ';' before 'N'
   16 |   cin N;
      |      ^~
      |      ;
a.cc:25:18: error: cannot convert 'std::vector<int>' to 'int'
   25 | cout << cost(N-1,h) <<endl;
      |                  ^
      |                  |
      |                  std::vector<int>
a.cc:7:16: note:   initializing argument 2 of 'int cost(int, int)'
    7 | int cost(int i,vetrot<int> h){
      |                ^~~~~~
Language: C++

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



int cost(int i,vetrot<int> h){
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]); 
  return min (cost[i-2] +abs(h[i]-h[i-2],cost[i-1]+abs(h[i]-h[i-1]):
}


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


  

cout << cost(N-1,h) <<endl;
return 0;  
  
}

Compiler output:
a.cc:7:16: error: 'vetrot' has not been declared
    7 | int cost(int i,vetrot<int> h){
      |                ^~~~~~
a.cc:7:22: error: expected ',' or '...' before '<' token
    7 | int cost(int i,vetrot<int> h){
      |                      ^
a.cc: In function 'int cost(int, int)':
a.cc:9:21: error: 'h' was not declared in this scope
    9 |  if(i==1)return abs(h[1]-h[0]);
      |                     ^
a.cc:10:23: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   10 |   return min (cost[i-2] +abs(h[i]-h[i-2],cost[i-1]+abs(h[i]-h[i-1]):
      |                       ^
cc1plus: warning: pointer to a function used in arithmetic [-Wpointer-arith]
a.cc:10:30: error: 'h' was not declared in this scope
   10 |   return min (cost[i-2] +abs(h[i]-h[i-2],cost[i-1]+abs(h[i]-h[i-1]):
      |                              ^
a.cc:10:50: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   10 |   return min (cost[i-2] +abs(h[i]-h[i-2],cost[i-1]+abs(h[i]-h[i-1]):
      |                                                  ^
cc1plus: warning: pointer to a function used in arithmetic [-Wpointer-arith]
a.cc:10:69: error: expected ';' before '}' token
   10 |   return min (cost[i-2] +abs(h[i]-h[i-2],cost[i-1]+abs(h[i]-h[i-1]):
      |                                                                     ^
      |                                                                     ;
   11 | }
      | ~                                                                    
a.cc: In function 'int main()':
a.cc:16:6: error: expected ';' before 'N'
   16 |   cin N;
      |      ^~
      |      ;
a.cc:25:18: error: cannot convert 'std::vector<int>' to 'int'
   25 | cout << cost(N-1,h) <<endl;
      |                  ^
      |                  |
      |                  std::vector<int>
a.cc:7:16: note:   initializing argument 2 of 'int cost(int, int)'
    7 | int cost(int i,vetrot<int> h){
      |                ^~~~~~
Language: C++

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




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

int cost(int i){
 if(i==0)return 0;
 if(i==1)return abs(h[1]-h[0]); 
  return min (cost[i-2] +abs(h[i]-h[i-2],cost[i-1]+abs(h[i]-h[i-1]):
}
  

cout << cost(N-1) <<endl;
return 0;  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:6: error: expected ';' before 'N'
   10 |   cin N;
      |      ^~
      |      ;
a.cc:16:16: error: a function-definition is not allowed here before '{' token
   16 | int cost(int i){
      |                ^
a.cc:23:9: error: 'cost' was not declared in this scope; did you mean 'const'?
   23 | cout << cost(N-1) <<endl;
      |         ^~~~
      |         const