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

int  main()
{
  int N;
  vector<int> height;
  vector<int> dp(N,INT_MAX);
  
  cin >> N;
  int x;
  for(int i=0;i<N;i++)
    height.push_back(cin>>x);
  
  dp[0]=0;
  dp[1]=abs(height[0]-height[1]);
  for(int i=2;i<N;i++)
    dp[i]=min(min(dp[i],dp[i-1]+abs(height[i-1]-height[i])),dp[i-2]+abs(height[i-2]-height[i]);

  return dp[N-1];
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'vector' was not declared in this scope
    4 |   vector<int> height;
      |   ^~~~~~
a.cc:4:10: error: expected primary-expression before 'int'
    4 |   vector<int> height;
      |          ^~~
a.cc:5:10: error: expected primary-expression before 'int'
    5 |   vector<int> dp(N,INT_MAX);
      |          ^~~
a.cc:7:3: error: 'cin' was not declared in this scope
    7 |   cin >> N;
      |   ^~~
a.cc:10:5: error: 'height' was not declared in this scope
   10 |     height.push_back(cin>>x);
      |     ^~~~~~
a.cc:12:3: error: 'dp' was not declared in this scope
   12 |   dp[0]=0;
      |   ^~
a.cc:13:13: error: 'height' was not declared in this scope
   13 |   dp[1]=abs(height[0]-height[1]);
      |             ^~~~~~
a.cc:13:9: error: 'abs' was not declared in this scope
   13 |   dp[1]=abs(height[0]-height[1]);
      |         ^~~
a.cc:15:15: error: 'min' was not declared in this scope; did you mean 'main'?
   15 |     dp[i]=min(min(dp[i],dp[i-1]+abs(height[i-1]-height[i])),dp[i-2]+abs(height[i-2]-height[i]);
      |               ^~~
      |               main
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector <int>dp(n,INT_MAX);
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include<iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:8:11: error: expected primary-expression before 'int'
    8 |   vector <int>dp(n,INT_MAX);
      |           ^~~
a.cc:9:3: error: 'dp' was not declared in this scope
    9 |   dp[0]=0;
      |   ^~
Language: C++

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

const int INF=1e9+5;

int main(){
   int n;
  cin>>n;
  int dp[n+5];
  int a[n];
  for(int i=0;i<n;i++)
    cin>>a[i;
  dp[0]=0;
           for(int i=0;i<n;i++)
            dp[i]=INF;
           
           for(int i=0;i<n;i++){
             if(i+1<n)
               dp[i+1]=min(dp[i+1],dp[i]+abs(a[i]-a[j]));
             if(i+2<n)
               dp[i+2]=min(dp[i+2],dp[i]+abs(a[i]-a[j]));
           }
           
           printf("%d\n",dp[n-1]);
           return 0;
           }
             

Compiler output:
a.cc: In function 'int main()':
a.cc:12:13: error: expected ']' before ';' token
   12 |     cin>>a[i;
      |             ^
      |             ]
a.cc:19:53: error: 'j' was not declared in this scope
   19 |                dp[i+1]=min(dp[i+1],dp[i]+abs(a[i]-a[j]));
      |                                                     ^
a.cc:21:53: error: 'j' was not declared in this scope
   21 |                dp[i+2]=min(dp[i+2],dp[i]+abs(a[i]-a[j]));
      |                                                     ^
Language: C

#include<stdio.h>
int main void
{
	int n;
    int temp;
    int sum=0;
	scanf("%d\n",&n);
    for(int i=0;i<n;i++)
    {
    	scanf("%d",&temp);
        a[i]=temp;
    }
    for(int i=0;i<n;i++)
    {
        if(absolute(a[i+2]-a[i])>absolute(a[i+1]-a[i]))
        {
            sum=sum+absolute(a[i+1]-a[i]);
        }
        else
        {
            sum=sum+absolute(a[i+2]-a[i]);
        }
    }
    printf("%d",sum);
    
    
}

Compiler output:
main.c:2:9: error: expected ';' before 'void'
    2 | int main void
      |         ^~~~~
      |         ;
main.c:3:1: error: expected identifier or '(' before '{' token
    3 | {
      | ^
Language: C++

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

#define long long ll

int main(){

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'll' was not declared in this scope
    8 |   ll N,;
      |   ^~
a.cc:9:8: error: 'N' was not declared in this scope
    9 |   cin>>N;
      |        ^
a.cc:10:5: error: expected ';' before 'h'
   10 |   ll h[N], cost[N];
      |     ^~
      |     ;
a.cc:12:9: error: expected ';' before 'i'
   12 |   for(ll i = 0; i < N; i ++) cin>>h[i];
      |         ^~
      |         ;
a.cc:12:17: error: 'i' was not declared in this scope
   12 |   for(ll i = 0; i < N; i ++) cin>>h[i];
      |                 ^
a.cc:12:35: error: 'h' was not declared in this scope
   12 |   for(ll i = 0; i < N; i ++) cin>>h[i];
      |                                   ^
a.cc:13:9: error: expected ';' before 'i'
   13 |   for(ll i = 0; i < N; i ++) cost[i] = 0;
      |         ^~
      |         ;
a.cc:13:17: error: 'i' was not declared in this scope
   13 |   for(ll i = 0; i < N; i ++) cost[i] = 0;
      |                 ^
a.cc:13:30: error: 'cost' was not declared in this scope; did you mean 'cosl'?
   13 |   for(ll i = 0; i < N; i ++) cost[i] = 0;
      |                              ^~~~
      |                              cosl
a.cc:14:3: error: 'cost' was not declared in this scope; did you mean 'cosl'?
   14 |   cost[0] = 0;
      |   ^~~~
      |   cosl
a.cc:15:17: error: 'h' was not declared in this scope
   15 |   cost[1] = abs(h[1]- h[0]);
      |                 ^
a.cc:16:9: error: expected ';' before 'i'
   16 |   for(ll i = 2; i < N; i++){
      |         ^~
      |         ;
a.cc:16:17: error: 'i' was not declared in this scope
   16 |   for(ll i = 2; i < N; i++){
      |                 ^
Language: C

#include <iostream>
using namespace std;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
const long long INF = 1LL<<60;

// 入力
int N;
long long W, weight[110], value[110]; // 品物の個数は 100 個なので少し余裕持たせてサイズ 110 に

// DPテーブル
long long dp[110][100100] = {0};

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

    // DPループ
    for (int i = 0; i < N; ++i) {
        for (int sum_w = 0; sum_w <= W; ++sum_w) {

            // i 番目の品物を選ぶ場合
            if (sum_w - weight[i] >= 0) {
                chmax(dp[i+1][sum_w], dp[i][sum_w - weight[i]] + value[i]);
            }

            // i 番目の品物を選ばない場合
            chmax(dp[i+1][sum_w], dp[i][sum_w]);
        }
    }

    // 最適値の出力
    cout << dp[N][W] << endl;
}

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

#include<bits/stdc++.h>
using namespace std;
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;
long long h[10010];
long long dp[10010];
int N;
int h[N];

int main(){
cin >> N;
for(int i= 0; i < N;i++){
cin >> h[N];
}
for(int i = 0; i < 10010; i++){
    dp[i] = INF;
}
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]));
    }
}
return 0;
}

Compiler output:
a.cc:21:7: error: size of array 'h' is not an integral constant-expression
   21 | int h[N];
      |       ^
a.cc:21:5: error: conflicting declaration 'int h [1]'
   21 | int h[N];
      |     ^
a.cc:18:11: note: previous declaration as 'long long int h [10010]'
   18 | long long h[10010];
      |           ^
Language: C++

#include <bits.stdc++.h>
using namespace std
  
int main(){
  int n, temp;
  cin>>n;
  int arr[n];
  for(int i=0;i<n;i++){
    cin>>temp;
    arr[i]=temp;
  }
  int dp[n];
  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]<<endl;
}

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

#include<iostream>
#include<vector>
#include<algorithm>
#include<stdint.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	vector<int> v;
	for(int i =0;i<n;i++){
		int x;
		cin>>x;
		v.push_back(x);
	}
	int result = INT_MAX;
	int cost_p = 0;
	int cost_pp = abs(v[1]-v[0]);
	result = cost_pp;
	for(int i = 2;i<n;i++){
		result = min(cost_p + abs(v[i]-v[i-2]) , cost_pp + abs(v[i]-v[i-1]));
		cost_p = cost_pp;
		cost_pp = result;
	}
	cout<<result;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:22: error: 'INT_MAX' was not declared in this scope
   15 |         int result = INT_MAX;
      |                      ^~~~~~~
a.cc:5:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    4 | #include<stdint.h>
  +++ |+#include <climits>
    5 | using namespace std;
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
int main(){
	int n;
	cin>>n;
	vector<int> v;
	for(int i =0;i<n;i++){
		int x;
		cin>>x;
		v.push_back(x);
	}
	int result = INT_MAX;
	int cost_p = 0;
	int cost_pp = abs(v[1]-v[0]);
	result = cost_pp;
	for(int i = 2;i<n;i++){
		result = min(cost_p + abs(v[i]-v[i-2]) , cost_pp + abs(v[i]-v[i-1]));
		cost_p = cost_pp;
		cost_pp = result;
	}
	cout<<result;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:22: error: 'INT_MAX' was not declared in this scope
   14 |         int result = INT_MAX;
      |                      ^~~~~~~
a.cc:4:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include<algorithm>
  +++ |+#include <climits>
    4 | using namespace std;
Language: C++

// DP contest -- kahin se toh start karna padega be
// frog 1
#include <iostream>
#include <unordered_map>
#include <vector>
#define int long long
using namespace std;

int cost(vector<vector<int> > &lookup, vector<int> &height, int to, int from)
{
    int n = height.size();
    // if
    if (lookup[to][from] != -1)
        return lookup[to][from];
    int c = abs(height[to] - height[from]);
    if (to == n - 1)
    {
        lookup[to][from] = c;
        // return c;
    }
    else if (to == n - 2)
    {
        lookup[to][from] = c + cost(lookup, height, to + 1, to);
        // return c + cost(lookup, height, to + 1, to);
    }
    else
        lookup[to][from] = c + min(cost(lookup, height, to + 1, to), cost(lookup, height, to + 2, to));
    return lookup[to][from];
}

int main()
{
    int n;
    cin >> n;
    vector<vector<int> > lookup(n, vector<int>(n, -1));
    // lookup.clear();
    vector<int> height(n, -1);
    for (int i = 0; i < n; i++)
    {
        cin >> height[i];
    }
    if (n == 2)
    {
        cout << abs(height[0] - height[1]);
        return 0;
    }
    cout << min(cost(lookup, height, 1, 0), cost(lookup, height, 2, 0));
}

Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

// DP Solution
int frogDP(vector<int> &arr, int N)
{
    vector<int> dp(N+1);
    //dp[i] represents minimum cost to reach ith step
    dp[1] = 0;
    dp[2] = abs(arr[0] - arr[1]);
    for(int i=3; i<=N ;i++)
    {
        dp[i] = min(dp[i-1]+abs(arr[i-2]-arr[i-1]), dp[i-2]+abs(arr[i-3]-arr[i-1]));
    }
    return dp[N];
}

int main()
{
    int n;
    vector<int> arr;
    cin>>n;
    for(int i=0;i<n;i++)
    {
        int temp;
        cin>>temp;
        arr.push_back(temp);
    }
    
    cout<<frogDP(arr,n);
    return 0;
}

Compiler output:
a.cc:2:12: error: 'vector' was not declared in this scope
    2 | int frogDP(vector<int> &arr, int N)
      |            ^~~~~~
a.cc:2:19: error: expected primary-expression before 'int'
    2 | int frogDP(vector<int> &arr, int N)
      |                   ^~~
a.cc:2:30: error: expected primary-expression before 'int'
    2 | int frogDP(vector<int> &arr, int N)
      |                              ^~~
a.cc:2:35: error: expression list treated as compound expression in initializer [-fpermissive]
    2 | int frogDP(vector<int> &arr, int N)
      |                                   ^
a.cc: In function 'int main()':
a.cc:18:5: error: 'vector' was not declared in this scope
   18 |     vector<int> arr;
      |     ^~~~~~
a.cc:18:12: error: expected primary-expression before 'int'
   18 |     vector<int> arr;
      |            ^~~
a.cc:19:5: error: 'cin' was not declared in this scope
   19 |     cin>>n;
      |     ^~~
a.cc:24:9: error: 'arr' was not declared in this scope
   24 |         arr.push_back(temp);
      |         ^~~
a.cc:27:5: error: 'cout' was not declared in this scope
   27 |     cout<<frogDP(arr,n);
      |     ^~~~
a.cc:27:18: error: 'arr' was not declared in this scope
   27 |     cout<<frogDP(arr,n);
      |                  ^~~
a.cc:27:17: error: 'frogDP' cannot be used as a function
   27 |     cout<<frogDP(arr,n);
      |           ~~~~~~^~~~~~~
Language: C++

#include<iostream>
#include<cmath>
#include<mem.h>
using namespace std;
int a[100002],n,h[100002];
int fun(int x)
{
  if(x==n-1)
  {
    return h[x]=0;
  }
  if(x>=n)
  {
    return 1000000;
  }
  return(h[x]=min(fun(x+1)+abs(a[x+1]-a[x]),fun(x+2)+abs(a[x+2]-a[x])));
}
int main()
{
  cin>>n;
  memset(h,0,sizeof(h));
  memset(a,0,sizeof(a));
  for(int i=0;i<n;i++)
  {
    cin>>a[i];
  }
  int c;
  c=fun(0);
  cout<<c;
  return 0;
}

Compiler output:
a.cc:3:9: fatal error: mem.h: No such file or directory
    3 | #include<mem.h>
      |         ^~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<cmath>
using namespace std;
int a[100002],n,h[100002];
int fun(int x)
{
  if(x==n-1)
  {
    return h[x]=0;
  }
  if(x>=n)
  {
    return 1000000;
  }
  return(h[x]=min(fun(x+1)+abs(a[x+1]-a[x]),fun(x+2)+abs(a[x+2]-a[x])));
}
int main()
{
  cin>>n;
  memset(h,0,sizeof(h));
  memset(a,0,sizeof(a));
  for(int i=0;i<n;i++)
  {
    cin>>a[i];
  }
  int c;
  c=fun(0);
  cout<<c;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:3: error: 'memset' was not declared in this scope
   20 |   memset(h,0,sizeof(h));
      |   ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<cmath>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C++

#include <bits/stdc++.h>
using namespace std;
int n;
long long arr [ 100001 ] ;
long long dp [ 100001 ] ;
long long bus ( int x ) {
  	if ( x == n - 1  ) return  0 ;
 	if ( dp [ x ] != -1 ) return dp [ x ] ;
  	dp [ x ] =  abs ( arr [ x ] - arr [ x + 1 ] ) + bus ( x + 1 ) ;
  	if ( x != n - 2 ) dp [ x ] = min ( dp [ x ] ,   abs ( arr [ x ] - arr [ x + 2  ] ) + bus ( x + 2 ) );
  	return dp [ x ] ;
}
int main ( ) {
  memset ( dp , -1 , sizeof dp ) ;
  cin>>n;
  for ( int i = 0 ; i < n ; i++ ) cint >> arr [ i ] ;  
  cout<<bus ( 0 ) <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:35: error: 'cint' was not declared in this scope; did you mean 'uint'?
   16 |   for ( int i = 0 ; i < n ; i++ ) cint >> arr [ i ] ;
      |                                   ^~~~
      |                                   uint
Language: C++

/*coderanant*/
//not done

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

#define int long long
#define ll long long
#define f1(i,a,b) for(i=a;i<b;i++)
#define f2(i,a,b) for(i=a;i>=b;i--)
#define endl '\n'
#define pb push_back
#define gp " "
#define ff first
#define ss second
#define mp make_pair

const int mod=1000000007;
ll temp;
int a[100000];
int memo[100000];
int dp(int n)
{
	if(n<1)
		return mod;
	if(n==1)
		return 0;
	if(memo[n]!=-1)
        return memo[n];
    memo[n]=min(dp(n-1)+abs(a[n-1]-a[n]),dp(n-2)+abs(a[n-2]-a[n]));
    return memo[n];
}
int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    // #ifndef ONLINE_JUDGE
    // 	freopen("/home/akmittal/Desktop/Competitive Programming/in.txt","r",stdin);
    // 	freopen("/home/akmittal/Desktop/Competitive Programming/out.txt","w",stdout);
    // #endif
    int n;
    cin>>n;
    int i;
    memset(dp,-1,sizeof(dp));
    f1(i,1,n+1)
    cin>>a[i];
    cout<<dp(n);
    return 0;
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:44:25: error: ISO C++ forbids applying 'sizeof' to an expression of function type [-fpermissive]
   44 |     memset(dp,-1,sizeof(dp));
      |                        ~^~~
a.cc:44:12: error: invalid conversion from 'long long int (*)(long long int)' to 'void*' [-fpermissive]
   44 |     memset(dp,-1,sizeof(dp));
      |            ^~
      |            |
      |            long long int (*)(long long int)
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:4:
/usr/include/string.h:61:28: note:   initializing argument 1 of 'void* memset(void*, int, size_t)'
   61 | extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1));
      |                      ~~~~~~^~~
Language: C++

/*coderanant*/
//not done

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

#define int long long
#define ll long long
#define f1(i,a,b) for(i=a;i<b;i++)
#define f2(i,a,b) for(i=a;i>=b;i--)
#define endl '\n'
#define pb push_back
#define gp " "
#define ff first
#define ss second
#define mp make_pair

const int mod=1000000007;
ll temp;
int a[100000];
int memo[100000];
int dp(int n)
{
	if(n<1)
		return mod;
	if(n==1)
		return 0;
	if(memo[n]!=-1)
        return memo[n];
    memo[n]=min(dp(n-1)+abs(a[n-1]-a[n]),dp(n-2)+abs(a[n-2]-a[n]));
    return memo[n];
}
int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    #ifndef ONLINE_JUDGE
    	freopen("/home/akmittal/Desktop/Competitive Programming/in.txt","r",stdin);
    	freopen("/home/akmittal/Desktop/Competitive Programming/out.txt","w",stdout);
    #endif
    int n;
    cin>>n;
    int i;
    memset(dp,-1,sizeof(dp));
    f1(i,1,n+1)
    cin>>a[i];
    cout<<dp(n);
    return 0;
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:44:25: error: ISO C++ forbids applying 'sizeof' to an expression of function type [-fpermissive]
   44 |     memset(dp,-1,sizeof(dp));
      |                        ~^~~
a.cc:44:12: error: invalid conversion from 'long long int (*)(long long int)' to 'void*' [-fpermissive]
   44 |     memset(dp,-1,sizeof(dp));
      |            ^~
      |            |
      |            long long int (*)(long long int)
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:4:
/usr/include/string.h:61:28: note:   initializing argument 1 of 'void* memset(void*, int, size_t)'
   61 | extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1));
      |                      ~~~~~~^~~
Language: C++

#include <bits/stdc++.h

using namespace std;

int main()
{
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    int n;
    cin>>n;
    int stones[10001];
    for (int i=1;i<=n;i++)
        cin>>stones[i];
    int j=1,sum=0;
    while(j!=n){
        if (j!=n-1){
            if(abs(stones[i]-stones[i+1])>=abs(stones[i]-stones[i+2])){
                j+=2; 
                sum+=abs(stones[i]-stones[i+2])
                
            } else {
                j++;
                sum+=abs(stones[i]-stones[i+1])
            }
        } else {
            j++;
            sum+=abs(stones[i]-stones[i+1])
        }
    }
    cout<<sum;
    
    return 0;
}


Compiler output:
a.cc:1:24: error: missing terminating > character
    1 | #include <bits/stdc++.h
      |                        ^
a.cc: In function 'int main()':
a.cc:17:27: error: 'i' was not declared in this scope
   17 |             if(abs(stones[i]-stones[i+1])>=abs(stones[i]-stones[i+2])){
      |                           ^
a.cc:27:29: error: 'i' was not declared in this scope
   27 |             sum+=abs(stones[i]-stones[i+1])
      |                             ^
Language: C++

int main(){
	int n,i,p,q;
  cin>>n;
  int arr[n];
  int sum[n];
  for(i=0;i<n;i++)
    cin>>arr[i];
  sum[0]=arr[0];
  sum[1]=abs(arr[0]-arr[1]);
  
  for(i=2;i<n;i++){
  	p=(sum[i-1]+abs(arr[i-1]-arr[i]));
    q=(sum[i-2]+abs(arr[i-2]-arr[i]));
    sum[i]=min(p,q);
  }
  cout<<sum[n-1]<<"\n";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin>>n;
      |   ^~~
a.cc:9:10: error: 'abs' was not declared in this scope
    9 |   sum[1]=abs(arr[0]-arr[1]);
      |          ^~~
a.cc:14:12: error: 'min' was not declared in this scope; did you mean 'main'?
   14 |     sum[i]=min(p,q);
      |            ^~~
      |            main
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout<<sum[n-1]<<"\n";
      |   ^~~~
Language: C++

#include<bits/stdc++.h>
#include<string.h>
#define rep(i,n) for(int i=0;i<n;++i)
#define rrep(i,n) for(int i=n-1;i>=0;--i)
#define yesno(flg) if(flg){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;}
#define MAX_N 1002
#define i197 1000000007

using namespace std;

typedef long long ll;
typedef pair<ll,ll> P1;
typedef pair<int,int> Pi;
typedef pair<double,Pi> Pdi;
typedef pair<ll,int>Pli;
typedef pair<P1,ll> P2;
const ll INF=1<<29;
struct edge{int to,cost;};
int dy[]={0, 0, 1, -1};
int dx[]={1, -1, 0, 0};
struct Road{double cost;int a,b;};

ll n;
ll h[100001];
ll dp[100001][100001]={};

ll main() {

	cin>>n;

	rep(i,n){
		cin>>h[i];
	}

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


Compiler output:
a.cc:27:1: error: '::main' must return 'int'
   27 | ll main() {
      | ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n)for(int i=0;i<(n);i++)

int main(void){
  int n;cin >> n;
  int h[n];rep(i,n)cin >> h[i];
  int dp[1e5+10];
  dp[0] = 0;
  dp[1] = abs(h[1]-h[0]);
  for(int i=2;i<n;i++){
    dp[i] =  min(dp[i-1] + abs(h[i]-h[i-1]),dp[i-2] + abs(h[i]-h[i-2]));
  }
  cout << dp[n-1] << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    8 |   int dp[1e5+10];
      |          ~~~^~~
a.cc:8:13: error: could not convert '(1.0e+5 + (double)10)' from 'double' to 'long unsigned int'
    8 |   int dp[1e5+10];
      |          ~~~^~~
      |             |
      |             double
a.cc:8:13: error: size of array 'dp' has non-integral type 'double'
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n)for(int i=0;i<(n);i++)

int main(void){
  int n;cin >> n;
  int h[n];rep(i,n)cin >> h[i];
  int dp[10000];
  dp[0] = 0;
  dp[1] = abs(h[1]-h[0]);
  for(int i=2;i<n;i++){
    dp[i] =  min(dp[i-1] + abs(h[i]-h[i-1]),dp[i-2] + abs(h[i]-h[i-2]))
  }
  cout << dp[n-1] << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:72: error: expected ';' before '}' token
   12 |     dp[i] =  min(dp[i-1] + abs(h[i]-h[i-1]),dp[i-2] + abs(h[i]-h[i-2]))
      |                                                                        ^
      |                                                                        ;
   13 |   }
      |   ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n)for(int i=0;i<(n);i++)

int main(void){
  int n;cin >> n;
  int h[n];rep(i,n)cin >> h[i];
  int dp[1e5+10];
  dp[0] = 0;
  dp[1] = abs(h[1]-h[0]);
  for(int i=2;i<n;i++){
    dp[i] =  min(dp[i-1] + abs(h[i]-h[i-1]),dp[i-2] + abs(h[i]-h[i-2]))
  }
  cout << dp[n-1] << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    8 |   int dp[1e5+10];
      |          ~~~^~~
a.cc:8:13: error: could not convert '(1.0e+5 + (double)10)' from 'double' to 'long unsigned int'
    8 |   int dp[1e5+10];
      |          ~~~^~~
      |             |
      |             double
a.cc:8:13: error: size of array 'dp' has non-integral type 'double'
a.cc:12:72: error: expected ';' before '}' token
   12 |     dp[i] =  min(dp[i-1] + abs(h[i]-h[i-1]),dp[i-2] + abs(h[i]-h[i-2]))
      |                                                                        ^
      |                                                                        ;
   13 |   }
      |   ~
Language: C++

#include <vits/stdc++.h>
using namespace std;
#define rep(i,n)for(int i=0;i<(n);i++)

int main(void){
  int n;cin >> n;
  int h[n];rep(i,n)cin >> h[i];
  int dp[1e5+10];
  dp[0] = 0;
  dp[1] = abs(h[1]-h[0]);
  for(int i=2;i<n;i++){
    dp[i] =  min(dp[i-1] + abs(h[i]-h[i-1]),dp[i-2] + abs(h[i]-h[i-2]))
  }
  cout << dp[n-1] << endl;
  return 0;
}

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

#include <cstdio>
#include <algothrim>
using namespace std;
const int MAXN = 100000 + 5;
int n, h[MAXN], f[MAXN];
int main() {
  scanf("%d", &n);
  for (int i = 0; i < n; i++) scanf("%d", h + i);
  f[1] = abs(h[1] - h[0]);
  for (int i = 2; i < n; i++) h[i] = min(f[i - 2] + abs(h[i] - h[i - 2]), 
                                        f[i - 1] + abs(h[i] - h[i - 1]));
  printf("%d", h[n - 1]);
  return 0;
}

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

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

int n;
int* h,cost;
const int INF = 100000000;

int main(){
    cin >> n;
    h = new int*[n];
    cost = new int*[n];
    for(int i=0;i<n;i++){
        cin >> h[i];
        cost[i] = INF;
    }
    cost[0] = 0;
    cost[1] = abs(h[0] - h[1]);
    for(int i=2;i<n;i++){
        cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
    }
    cout << cost[n-1];
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: cannot convert 'int**' to 'int*' in assignment
   11 |     h = new int*[n];
      |         ^~~~~~~~~~~
      |         |
      |         int**
a.cc:12:12: error: invalid conversion from 'int**' to 'int' [-fpermissive]
   12 |     cost = new int*[n];
      |            ^~~~~~~~~~~
      |            |
      |            int**
a.cc:15:13: error: invalid types 'int[int]' for array subscript
   15 |         cost[i] = INF;
      |             ^
a.cc:17:9: error: invalid types 'int[int]' for array subscript
   17 |     cost[0] = 0;
      |         ^
a.cc:18:9: error: invalid types 'int[int]' for array subscript
   18 |     cost[1] = abs(h[0] - h[1]);
      |         ^
a.cc:20:13: error: invalid types 'int[int]' for array subscript
   20 |         cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
      |             ^
a.cc:20:27: error: invalid types 'int[int]' for array subscript
   20 |         cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
      |                           ^
a.cc:20:54: error: invalid types 'int[int]' for array subscript
   20 |         cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
      |                                                      ^
a.cc:22:17: error: invalid types 'int[int]' for array subscript
   22 |     cout << cost[n-1];
      |                 ^
Language: C++

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

int n;
int* h,cost;
const int INF = 100000000;

int main(){
    cin >> n;
    h = new int[n];
    cost = new int[n];
    for(int i=0;i<n;i++){
        cin >> h[i];
        cost[i] = INF;
    }
    cost[0] = 0;
    cost[1] = abs(h[0] - h[1]);
    for(int i=2;i<n;i++){
        cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
    }
    cout << cost[n-1];
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:12: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   12 |     cost = new int[n];
      |            ^~~~~~~~~~
      |            |
      |            int*
a.cc:15:13: error: invalid types 'int[int]' for array subscript
   15 |         cost[i] = INF;
      |             ^
a.cc:17:9: error: invalid types 'int[int]' for array subscript
   17 |     cost[0] = 0;
      |         ^
a.cc:18:9: error: invalid types 'int[int]' for array subscript
   18 |     cost[1] = abs(h[0] - h[1]);
      |         ^
a.cc:20:13: error: invalid types 'int[int]' for array subscript
   20 |         cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
      |             ^
a.cc:20:27: error: invalid types 'int[int]' for array subscript
   20 |         cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
      |                           ^
a.cc:20:54: error: invalid types 'int[int]' for array subscript
   20 |         cost[i] = min(cost[i-2]+abs(h[i-2]-h[i]),cost[i-1]+abs(h[i-1]-h[i]));
      |                                                      ^
a.cc:22:17: error: invalid types 'int[int]' for array subscript
   22 |     cout << cost[n-1];
      |                 ^
Language: Java

import java.util.*;

public class Frog1{

     public static void main(String []args){
        
        Scanner  s = new Scanner(System.in);
        int n = s.nextInt();
        int[] arr = new int[n];
        
        for(int i = 0;i < n;++i){
            arr[i] = s.nextInt();
        }
        
        long ans = 0;
        
        for(int i = 0;i + 1 < n;){
            if(i+2 < n){
                ans += Math.min( Math.abs(arr[i] - arr[i+1]) , Math.abs(arr[i] - arr[i+2]));
                if(Math.abs(arr[i] - arr[i+1]) < Math.abs(arr[i] - arr[i+2]))
                    i++;
                else i += 2;
            }
            else {
                ans += Math.min( Math.abs(arr[i] - arr[i+1]) , Integer.MAX_VALUE);
                i++;
            }
            
            
        }
        
        long ans2 = 0;
        
        for(int i = n - 1;i - 1 >= 0;){
            
            if(i - 2 >= 0){
                ans2 += Math.min( Math.abs(arr[i] - arr[i-1]) , Math.abs(arr[i] - arr[i-2]));
                if(Math.abs(arr[i] - arr[i-1]) < Math.abs(arr[i] - arr[i-2]))
                    i--;
                else i -= 2;
            }
            else {
                ans2 += Math.min( Math.abs(arr[i] - arr[i-1]) , Integer.MAX_VALUE);
                i--;
            }
            
        }
        System.out.println(Math.min(ans , ans2));
        
        
        
        
        
        
     }
}

Compiler output:
Main.java:3: error: class Frog1 is public, should be declared in a file named Frog1.java
public class Frog1{
       ^
1 error
Language: Java

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

public class A_Frog1 {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader inp = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Solver solver = new Solver();
        solver.solve(inp, out);
        out.close();
    }

    private static class Solver {
        private void solve(InputReader inp, PrintWriter out) {
            int n = inp.nextInt();
            int[] h = new int[n];
            for (int i = 0; i < n; i++) h[i] = inp.nextInt();

            int[] dp = new int[n];
            Arrays.fill(dp, Integer.MAX_VALUE);

            dp[0] = 0;
            for (int i = 0; i < n; i++) {
                if (i + 1 < n) {
                    dp[i+1] = Math.min(dp[i+1], dp[i] + Math.abs(h[i] - h[i+1]));
                }
                if (i + 2 < n) {
                    dp[i+2] = Math.min(dp[i+2], dp[i] + Math.abs(h[i] - h[i+2]));
                }
            }
            out.print(dp[n-1]);
        }
    }

    static class InputReader {
        BufferedReader reader;
        StringTokenizer tokenizer;

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

        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());
        }
    }
}

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:34: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   for (int i=0;i<n;i++)cin>>h[i],ans[n];ans[0]=0;ans[1]=abs(h[1]-h[0]);
      |                                  ^~~
      |                                  abs
a.cc:7:41: error: 'ans' was not declared in this scope; did you mean 'abs'?
    7 |   for (int i=0;i<n;i++)cin>>h[i],ans[n];ans[0]=0;ans[1]=abs(h[1]-h[0]);
      |                                         ^~~
      |                                         abs
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
    long long n;
    cin >> n;
    vector<long long> h(n+1);
    for(long long i = 1;i < n+1;i ++){
        cin >> h.at(i);
    }
    vector<long long> s(n+1);

    s.at(0) = 10000000

    for(long long i = 2;i < n+1;i ++){
        long long a = s.at(i-1) + abs(h.at(i) - h.at(i-1));
        long long b = s.at(i-2) + abs(h.at(i) - h.at(i-2));
        s.at(i) = min(a,b);
    }

    cout << s.at(n) << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:23: error: expected ';' before 'for'
   14 |     s.at(0) = 10000000
      |                       ^
      |                       ;
   15 | 
   16 |     for(long long i = 2;i < n+1;i ++){
      |     ~~~                
a.cc:16:25: error: 'i' was not declared in this scope
   16 |     for(long long i = 2;i < n+1;i ++){
      |                         ^
Language: C++

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

int main() 
{   
  

 
long long int n;
scanf("%lld",&n);
long long int h[n];

    for(long long int i = 0; i <n; i++){
   
scanf("%lld",&h[i]);
}
long long int dp[n];
dp[0]=0;
dp[1]=abs(a[0]-a[1]);
 for(long long int i = 2; i <n; i++){
   
dp[i] = min(dp[i-1]+abs(a[i]-a[i-1]),dp[i-2]+abs(a[i]-a[i-2]));
}
printf("%lld\n",dp[n-1]);


}

  
 

Compiler output:
a.cc: In function 'int main()':
a.cc:19:11: error: 'a' was not declared in this scope
   19 | dp[1]=abs(a[0]-a[1]);
      |           ^
Language: C++

#include<iostream>
#include<string>
#include <algorithm>
#include <vector>
#include <cmath>
#include <math.h>
using namespace std;

int dp(vector<int> vc, int num, vector<long> memo)
{
    if(memo[num] != -1) return memo[num];
    else
    {
        memo[num] =  min(dp(vc,num-1,memo)+abs(vc[num]-vc[num-1]),dp(vc,num-2,memo)+abs(vc[num]-vc[num-2]),);
        return memo[num]; 
    }
}


int main()
{
    int N;
    cin >> N;
    vector<int> vc;
    int temp;
    for (int i = 0; i < N; i++)
    {
        cin >> temp;
        vc.push_back(temp);
    }
    vector<long> memo;
    for (int i = 0; i < N; i++)
    {
        memo.push_back(-1);
    }
    memo[0]=0;
    memo[1] = abs(vc[0]-vc[1]);

    cout << dp(vc,N-1,memo) << endl;
    
}

Compiler output:
a.cc: In function 'int dp(std::vector<int>, int, std::vector<long int>)':
a.cc:14:108: error: expected primary-expression before ')' token
   14 |         memo[num] =  min(dp(vc,num-1,memo)+abs(vc[num]-vc[num-1]),dp(vc,num-2,memo)+abs(vc[num]-vc[num-2]),);
      |                                                                                                            ^
Language: Java

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

public class A {

    static class InputReader {
        BufferedReader reader;
        StringTokenizer tokenizer;

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

        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 float nextFloat() {
            return Float.parseFloat(next());
        }

    }

    static InputReader r = new InputReader(System.in);
    static PrintWriter pw = new PrintWriter(System.out);

    /** CHECKLIST:
     * LIMITS (DOES BRUTE FORCE WORK?)
     * CHECK ALL PARAMETERS
     * INT VS LONG
     */
    public static void main(String[] args) {
        int n = r.nextInt();
        int[] arr = new int[n+1];
        for(int i = 1; i <= n; i++){
            arr[i] = r.nextInt();
        }
        int[] dp = new int[n+1];
        dp[1] = 0; // frog starts here
        dp[2] = Math.abs(arr[2] - arr[1]);
        for(int i = 3; i <= n; i++){
            dp[i] = Math.min(dp[i-1] + Math.abs(arr[i] - arr[i-1]), dp[i-2] + Math.abs(arr[i] - arr[i-2]));
        }
        pw.println(dp[n]);

        pw.close();
    }
}

/**
                _        _                 _                                                
               | |      | |               | |                                               
   ___ ___   __| | ___  | |__  _   _    __| | __ _ _ __ _ __ ___ _ __     _   _  __ _  ___  
  / __/ _ \ / _` |/ _ \ | '_ \| | | |  / _` |/ _` | '__| '__/ _ \ '_ \   | | | |/ _` |/ _ \ 
 | (_| (_) | (_| |  __/ | |_) | |_| | | (_| | (_| | |  | | |  __/ | | |  | |_| | (_| | (_) |
  \___\___/ \__,_|\___| |_.__/ \__, |  \__,_|\__,_|_|  |_|  \___|_| |_|   \__, |\__,_|\___/ 
                                __/ |                               ______ __/ |            
                               |___/                               |______|___/             
 */

Compiler output:
Main.java:4: 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;
int main(void){
  int N;
  cin >> N;
  int h[N];
  for(int i=0; i<N; i++) cin >> h[i];
  int dp[N+2];
  const int INF = 1e9;
  for(int i=0; i<N+2; i++) dp[i] = INF;
  dp[0] = 0;
  
  for(int i=0; i<N; i++){
    dp[i+1] = min(dp[i+1], dp[i] + abs(h[i+1]-h[i]))
    dp[i+2] = min(dp[i+2], dp[i] + abs(h[i+2]-h[i]))    
  }
  cout << dp[N] << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:53: error: expected ';' before 'dp'
   14 |     dp[i+1] = min(dp[i+1], dp[i] + abs(h[i+1]-h[i]))
      |                                                     ^
      |                                                     ;
   15 |     dp[i+2] = min(dp[i+2], dp[i] + abs(h[i+2]-h[i]))
      |     ~~
Language: C++

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

Compiler output:
a.cc:2:1: error: 'usong' does not name a type; did you mean 'ulong'?
    2 | usong namespace std;
      | ^~~~~
      | ulong
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin>>n;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:20:25: error: 'min' was not declared in this scope; did you mean 'std::min'?
   20 |                 dp[i+j]=min(dp[i+j],abs(a[i+j]-a[i])+dp[i]);
      |                         ^~~
      |                         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)
      |     ^~~
a.cc:23:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   23 |   cout<<dp[n-1];
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:16:45: error: expected ')' before ';' token
   16 |         dp[j]=min(dp[j],dp[i]+abs(v[i]-v[j]);
      |                  ~                          ^
      |                                             )
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define f1(n) for(int i=0;i<n;i++)
int min1(int *arr,int n)
{
            if(n<=1)return 0;
            if(n==2) return abs(arr[n-1]-arr[n-2]);
            
int arr1[n];
arr1[0]=0;
arr1[1]=abs(arr[1]-arr[0]);
for(int i=2;i<n;i++)
{
  int a1=abs(arr[i]-arr[i-2]);
  int a2=abs(arr[i]-arr[i-1]);
  if((a1+arr1[i-2])<(a2+arr1[i-1]))
  {
              arr1[i]=a1+arr1[i-2];
  }
  else
  {
              arr1[i]=a2+arr1[i-1];
  }
  
}

return arr1[n-1];
}
int main()
{
            ios_base::sync_with_stdio(fase);
            cin.tie(0);
            cout.tie(0);
 int n;
 cin>>n;
 int arr[n];
 f1(n)
 {
             cin>>arr[i];
 
cout<<min1(arr,n);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:39: error: 'fase' was not declared in this scope
   31 |             ios_base::sync_with_stdio(fase);
      |                                       ^~~~
a.cc:42:2: error: expected '}' at end of input
   42 | }
      |  ^
a.cc:30:1: note: to match this '{'
   30 | {
      | ^
Language: C++

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

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

 int *dp = new int [N+1]();
 dp[1]=0;
 dp[2]=abs(v[2]-v[1]);

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: 'n' was not declared in this scope
    7 |  int v[n+1];
      |        ^
a.cc:9:10: error: 'v' was not declared in this scope
    9 |     cin>>v[i];
      |          ^
a.cc:14:12: error: 'v' was not declared in this scope
   14 |  dp[2]=abs(v[2]-v[1]);
      |            ^
Language: C++

#include<bits/stdc++.h>
typedef long long ll;
typedef double ld;
#define vll vector<ll>
#define vvll vector< vll >
#define vld vector< ld >
#define vvld vector< vld >
#define pll pair<ll ,ll >
#define vllp vector< pll >
#define F first
#define S second
#define MAX 1000000007
     
using namespace std;

 
int main()
{

	ll n;
	cin>>n;
	ll heights[n+1]={0},ans[n+1]={0};
	for (int i =1; i <=n; ++i)
	{
		cin>>heights[i];
	}
	ans[0]=0;ans[1]=0;
	ans[2]=heights[2]-heights[1];

	for (int i=2;i<=n;++i)
	{
		if(i>2)
		ans[i]=min(ans[i-1]+abs(heights[i]-heights[i-1]),ans[i-2]+abs(heights[i]-heights[i-2]));
		else {ans[i]=ans[i-1]+abs(heights[i]-heights[i-1]);
	}
	
	cout<<ans[n]<<endl;


	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:2: error: expected '}' at end of input
   41 | }
      |  ^
a.cc:18:1: note: to match this '{'
   18 | {
      | ^
Language: Java

import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] h = new int[n];
        for (int i = 0; i < n; i++) {
            h[i] = sc.nextInt();
        }
        int[] dp = new int[n];
        final int INT_MAX = Integer.MAX_VALUE;

        for (int i = 1; i < n; i++) {
            dp[i] = INT_MAX;
        }
        for (int i = 1; i < n; i++) {
            chmin(dp[i], dp[i-1]+Math.abs(h[i] - h[i-1]));
            if (i > 1) chmin(dp[i], dp[i-2]+Math.abs(h[i] - h[i-2]));
        }
        System.out.println(dp[n]);
    }

    private void chmin(int a, int b) {
        if (a > b) a = b;
    }
}

Compiler output:
Main.java:17: error: non-static method chmin(int,int) cannot be referenced from a static context
            chmin(dp[i], dp[i-1]+Math.abs(h[i] - h[i-1]));
            ^
Main.java:18: error: non-static method chmin(int,int) cannot be referenced from a static context
            if (i > 1) chmin(dp[i], dp[i-2]+Math.abs(h[i] - h[i-2]));
                       ^
2 errors
Language: C++

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

int main()
{
int n;
  cin >> n;
  vector<int> a(n,0);
  for(int i=0;i<n;i++)
    cin >> a[i];
  vector<int> dp(n,INT_MAX);
  dp[0]=0;
  for(int i=0;i<n;i++)
  {
    for(int j:{i+1,i+2})
    {
      if(j<n)
      dp[j]=min(dp[j],dp[i]+ans(a[i]-a[j]));
    }
  }
  cout<< dp[n-1];
}

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

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

int test(int a){
	if(a < 0) a *= (-1);
	return a;
}

int main(){
	int N;
	cin >> N;
	vector<int> h(N);
	for(int i = 0; i < N; i++) cin >> N.at(i);
	
	int ans = 0;
	int i = 0;
	while(i < N){
		int cost1 = test(N[i] - N[i + 1]);
		int cost2 = test(N[i] - N[i + 2]);
		if(cost1 < cost2){
			ans += cost1;
			i++;
		} else {
			ans += cost2;
			i += 2;
		}
	}
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:45: error: request for member 'at' in 'N', which is of non-class type 'int'
   13 |         for(int i = 0; i < N; i++) cin >> N.at(i);
      |                                             ^~
a.cc:18:35: error: invalid types 'int[int]' for array subscript
   18 |                 int cost1 = test(N[i] - N[i + 1]);
      |                                   ^
a.cc:18:42: error: invalid types 'int[int]' for array subscript
   18 |                 int cost1 = test(N[i] - N[i + 1]);
      |                                          ^
a.cc:19:35: error: invalid types 'int[int]' for array subscript
   19 |                 int cost2 = test(N[i] - N[i + 2]);
      |                                   ^
a.cc:19:42: error: invalid types 'int[int]' for array subscript
   19 |                 int cost2 = test(N[i] - N[i + 2]);
      |                                          ^