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

#include <bits/stdc++.h>
#include <math.h>
using namespace std;
#define rep(i,n) for (int i = 0; i < (int)(n); ++i)
#define ll long long
ll INF = 1 << 60;

template<class T> inline void chmin(T& a,T b) {
	if(a>b) a = b;
}
template<class T> inline void chmax(T& a,T b) {
	if(a<b) a = b;
}

int main(void) {
	int n; cin >> n;
	ll h[n]{};
	rep(i,n) cin >> h[i];
	ll dp[n]{};

	rep(i,n) dp[i] = INF;
	dp[0] = 0;
	rep(i,n) {
		chmin(dp[i],dp[i-1]+abs(h[i]-h[i-1]));
		chmin(sp[i],dp[i-2]+abs(h[i]-h[i-2]));
	}
	cout << dp[n-1] << endl;
}

Compiler output:
a.cc:6:12: warning: left shift count >= width of type [-Wshift-count-overflow]
    6 | ll INF = 1 << 60;
      |          ~~^~~~~
a.cc: In function 'int main()':
a.cc:25:23: error: 'sp' was not declared in this scope; did you mean 'dp'?
   25 |                 chmin(sp[i],dp[i-2]+abs(h[i]-h[i-2]));
      |                       ^~
      |                       dp
Language: C++

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

#define max_n 100005
#define max_h 10002
int arr[max_n],n;
long dp[max_n];

long solve(int idx)
{
	if(idx>=n)
	{
		return 0;
	}
	if(dp[idx]!=-1)
	{
		return dp[idx];
	}
	long best=LONG_MAX;
	for(int i=idx+1;i<idx+3;i++)
	{
		best=min(best,(arr[i]-arr[idx])*(arr[i]-arr[idx])+solve(i+1));
	}
	return dp[idx]=best;
}

signed main()
{
	memset(dp,-1,sizeof(dp));
	cin>>n;
	assert(2<=n<=max_n)
	for(int i=0;i<n;i++)
	{
		cin>>arr[i];
	}
	cout<<solve(0)<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:9: error: expected ';' before 'for'
   32 |         for(int i=0;i<n;i++)
      |         ^~~
a.cc:32:21: error: 'i' was not declared in this scope
   32 |         for(int i=0;i<n;i++)
      |                     ^
Language: Java


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

public class Solution {
    private static int[] heights;
    private static int n, ans = Integer.MAX_VALUE;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        heights = new int[n + 3];
        dp = new int[n + 3];
        for (int i = 1; i <= n; i++) {
            heights[i] = sc.nextInt();
        }
        Arrays.fill(dp, -1);
        System.out.println(findJumpCost(1));
        sc.close();
    }

    private static int[] dp;

    private static int findJumpCost(int ind) {
        if (ind == n)
            return 0;

        if (dp[ind] != -1) {
            return dp[ind];
        }
        int min = Integer.MAX_VALUE;
        for (int i = ind + 1; i <= Math.min(n, ind + 2); i++) {
            min = Math.min(min, Math.abs(heights[i] - heights[ind]) + findJumpCost(i));
            // System.out.println(min);
        }
        return dp[ind] = min;
    }
}

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


import java.io.*;
import java.lang.reflect.Method;
import java.math.BigInteger;
import java.util.*;

public class frog1 {
    private static int[] heights;
    private static int n, ans = Integer.MAX_VALUE;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        heights = new int[n + 3];
        dp = new int[n + 3];
        for (int i = 1; i <= n; i++) {
            heights[i] = sc.nextInt();
        }
        Arrays.fill(dp, -1);
        System.out.println(findJumpCost(1));
        sc.close();
    }

    private static int[] dp;

    private static int findJumpCost(int ind) {
        if (ind == n)
            return 0;

        if (dp[ind] != -1) {
            return dp[ind];
        }
        int min = Integer.MAX_VALUE;
        for (int i = ind + 1; i <= Math.min(n, ind + 2); i++) {
            min = Math.min(min, Math.abs(heights[i] - heights[ind]) + findJumpCost(i));
            // System.out.println(min);
        }
        return dp[ind] = min;
    }
}

Compiler output:
Main.java:7: 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.lang.reflect.Method;
import java.math.BigInteger;
import java.util.*;

public class Solution {
    private static int[] heights;
    private static int n, ans = Integer.MAX_VALUE;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        heights = new int[n + 3];
        dp = new int[n + 3];
        for (int i = 1; i <= n; i++) {
            heights[i] = sc.nextInt();
        }
        Arrays.fill(dp, -1);
        System.out.println(findJumpCost(1));
        sc.close();
    }

    private static int[] dp;

    private static int findJumpCost(int ind) {
        if (ind == n)
            return 0;

        if (dp[ind] != -1) {
            return dp[ind];
        }
        int min = Integer.MAX_VALUE;
        for (int i = ind + 1; i <= Math.min(n, ind + 2); i++) {
            min = Math.min(min, Math.abs(heights[i] - heights[ind]) + findJumpCost(i));
            // System.out.println(min);
        }
        return dp[ind] = min;
    }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
=
^
Main.java:4: error: class, interface, enum, or record expected
import java.lang.reflect.Method;
^
Main.java:5: error: class, interface, enum, or record expected
import java.math.BigInteger;
^
Main.java:6: error: class, interface, enum, or record expected
import java.util.*;
^
4 errors
Language: Java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.math.*;
import java.io.*;
import java.util.*;

class Solution{
    public static void main(String[] args) throws Exception{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());
        
        String[] l1 = br.readLine().split(" ");

        int[] arr = new int[N];

        for(int i = 0; i < arr.length; i++){
            arr[i] = Integer.parseInt(l1[i]);
        }

        int[] dp = new int[N];
        dp[0] = 0;

        for(int i = 0; i < N; i++){
            for(int j = i + 1; j <= i + 2 && j < N; j++){
                dp[j] = Math.min(dp[j], dp[i] + Math.abs(nums[j] - nums[i]));
            }
        }
        
        System.out.println(dp[N - 1]);

    }
}

Compiler output:
Main.java:25: error: cannot find symbol
                dp[j] = Math.min(dp[j], dp[i] + Math.abs(nums[j] - nums[i]));
                                                         ^
  symbol:   variable nums
  location: class Solution
Main.java:25: error: cannot find symbol
                dp[j] = Math.min(dp[j], dp[i] + Math.abs(nums[j] - nums[i]));
                                                                   ^
  symbol:   variable nums
  location: class Solution
2 errors
Language: C++

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> 
#include <ext/pb_ds/tree_policy.hpp> 
#define ROCK ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define f first
#define sec second
using namespace std;
using namespace __gnu_pbds;
const long long int linf =(long long)9223372036854775807;
const int dx[8] =  {0,0,1,-1,1,-1,1,-1},dy[9] = {1,-1,0,0,1,-1,-1,1};
typedef long long int ll;

const int N=1e5+3,;
ll arr[N],dp[N],n;

ll solve(int pos){
    if(pos==n-1)return 0;
    if(dp[pos]!=-1)return dp[pos];
    ll onestep=1e9;
    ll twostep=1e9;
    if(pos+1<n)onestep=solve(pos+1)+abs(arr[pos]-arr[pos+1]);
    if(pos+2<n)twostep=solve(pos+2)+abs(arr[pos]-arr[pos+2]);
    ll ans=min(onestep,twostep);
    return dp[pos]=ans;
}

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












Compiler output:
a.cc:13:19: error: expected unqualified-id before ';' token
   13 | const int N=1e5+3,;
      |                   ^
Language: C++

#ifdef _MSC_VER
#define _CRT_SECURE_NO_WARNINGS
#endif

#include <bits/stdc++.h>

using namespace std;

#define POW2(X) (1<<(X))
#define CKBIT(S,X) (((S)&POW2(X))!=0)

template<class T> inline void nlmin(T &a,T b){ a=min(a,b); }
template<class T> inline void nlmax(T &a,T b){ a=max(a,b); }
template<class T> inline T sqr(T x){ return x*x; }
#define SIZE(A) ((int)A.size())
#define LENGTH(A) ((int)A.length())

#define PB(X) push_back(X)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define FOR(i,n) for(int i=0;i<(n);++i)
#define ALL(A) A.begin(),A.end()
template<class T> int CMP(T a[],const T b[],int n) { return memcmp(a,b,n*sizeof(T)); }
template<class T> void COPY(T a[],const T b[],int n) { memcpy(a,b,n*sizeof(T)); }
template<class T> void SET(T a[],int val,int n) { memset(a,val,n*sizeof(T)); }
using uint=unsigned int;
using int64=long long;
using uint64=unsigned long long;
using pii=pair<int,int>;
using VI=vector<int>;
using VII=vector<VI>;
using VD=vector<double>;
constexpr int kmod = 1000000007;


int main() {
	int N;
	cin >> N;
	VI v(N + 1);
	VI dp(N + 1);
	FOR (i, 1, N + 1) {
		cin >> v[i];
	}

	dp[1] = 0;
	dp[2] = abs(v[2] - v[1]);
	FOR (i, 3, N + 1) {
		dp[i] = max(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:20:9: warning: "FOR" redefined
   20 | #define FOR(i,n) for(int i=0;i<(n);++i)
      |         ^~~
a.cc:19:9: note: this is the location of the previous definition
   19 | #define FOR(i,a,b) for(int i=(a);i<(b);++i)
      |         ^~~
a.cc:40:25: error: macro "FOR" passed 3 arguments, but takes just 2
   40 |         FOR (i, 1, N + 1) {
      |                         ^
a.cc:20:9: note: macro "FOR" defined here
   20 | #define FOR(i,n) for(int i=0;i<(n);++i)
      |         ^~~
a.cc:46:25: error: macro "FOR" passed 3 arguments, but takes just 2
   46 |         FOR (i, 3, N + 1) {
      |                         ^
a.cc:20:9: note: macro "FOR" defined here
   20 | #define FOR(i,n) for(int i=0;i<(n);++i)
      |         ^~~
a.cc: In function 'int main()':
a.cc:40:9: error: 'FOR' was not declared in this scope
   40 |         FOR (i, 1, N + 1) {
      |         ^~~
a.cc:46:12: error: expected ';' before '{' token
   46 |         FOR (i, 3, N + 1) {
      |            ^              ~
      |            ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
int costfunc(int h[],int n){
  int cost[n];
  cost[0]=h[0];
  cost[1]=abs(h[1]-h[0]);
  cost[2]=abs(h[2]-h[0])>abs(h[1]-h[0])?abs(h[2]-h[0]):abs(h[1]-h[0]);
  for(int i=3;i<n;i++){
    int x=abs(h[i]-h[i-1])+cost[i-1];
    int y=abs(h[i]-h[i-2])+cost[i-2];
    cost[i]=min(x,y);
  }
  return cost[n-1];
}
int main(){
  int N;
  cin >> N;
  int h[N];
  for(int i=0;i<N;i++){
    cin >> h[i];
  }
  cout << costfunc(h[N],N) ;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:23: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   22 |   cout << costfunc(h[N],N) ;
      |                    ~~~^
      |                       |
      |                       int
a.cc:3:18: note:   initializing argument 1 of 'int costfunc(int*, int)'
    3 | int costfunc(int h[],int n){
      |              ~~~~^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int costfunc(int h[],int n){
  int cost[n];
  cost[0]=h[0];
  cost[1]=abs(h[1]-h[0]);
  cost[2]=abs(h[2]-h[0])>abs(h[1]-h[0])?abs(h[2]-h[0]):abs(h[1]-h[0]);
  for(int i=3;i<n;i++){
    int x=abs(h[i]-h[i-1])+cost[i-1];
    int y=abs(h[i]-h[i-2])+cost[i-2];
    cost[i]=min(x,y);
  }
  return cost[n-1];
}
int main(){
  int N;
  cin >> N;
  int h[N];
  for(int i=0;i<N;i++){
    cin >> h[i];
  }
  cout << costfunc(h[],N) ;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:22: error: expected primary-expression before ']' token
   22 |   cout << costfunc(h[],N) ;
      |                      ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
#define int             long long
#define ld              long double
#define ff              first
#define ss              second
#define pb              push_back
#define mp              make_pair
#define pii             pair<int, int>
#define mk(arr,n,type)  type *arr=new type[n];
#define vi              vector<int>
#define si              set<int>
#define usi             unordered_set<int>
#define mii             map<int, int>
#define umii            unordered_map<int, int>
#define pqmax           priority_queue<int>
#define pqmin           priority_queue<int, vi, greater<int> >
#define setbits(x)      __builtin_popcountll(x)
#define trailzrobits(x) __builtin_ctzll(x)
#define leadzrobits(x)  __builtin_clzll(x)
#define paritybits(x)   __builtin_parityll(x)
#define gcd             __gcd
#define lcm(x, y)       (x * y) / gcd(x, y)
#define mod             1000000007
#define endl            '\n'
#define PI              3.14159265358979323846
#define inf             1e18
#define sp(x,y)         fixed<<setprecision(y)<<x

void __print(int x) {cout<<x;}
void __print(float x){cout<<x;}
void __print(double x){cout<<x;}
void __print(ld x) {cout<<x;}
void __print(char x){cout <<'\''<<x<<'\'';}
void __print(const char *x){cout <<'\"' <<x<<'\"';}
void __print(const string &x) {cout<<'\"'<<x<<'\"';}
void __print(bool x) {cout<<(x?"true":"false");}
template<typename T,typename V>     void __print(const pair<T,V> &x) {cout<<'{';__print(x.first);cout<<',';__print(x.second);cout<<'}';}
template<typename T>                void __print(const T &x) {int f = 0; cout << '{'; for (auto &i: x) cout << (f++ ? "," : ""), __print(i); cout << "}";}void _print() {cout << "]\n";}
template <typename T,typename... V> void _print(T t, V... v) {__print(t);if(sizeof...(v))cout<<", ";_print(v...);}
#ifndef ONLINE_JUDGE
#define dbg(x...) cout<<"["<<#x<<"]=[";_print(x)
#else 
#define dbg(x...)
#endif

int power(int x, int y, int p = mod){
    int res = 1;
    x %= p;
    while(y > 0){
        if(y & 1)
            res = (res * x) % p;
        y = y >> 1;
        x = (x * x) % p;
    }
    return res; 
}

int inv(int x, int p = mod){
    return power(x, p - 2) % p;
}

const int N = 1e6 + 6;
 
int32_t main(){

    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    int t = 1;
    // cin >> t;
    while(t--){
        
        int n; cin>>n;
        mk(a, n+1, int);
        for(int i=1; i<=n; i++)
            cin>>a[i];
        
        mk(dp, n+1, int);
        dp[1] = 0;

        for(int i=2; i<=n; i++){
            int q1 = abs(a[i]-a[i-1]) + dp[i-1];
            int q2 = (i==2) ? inf : (abs(a[i] - a[i-2]) + dp[i-2];
            dp[i] = min(q1, q2);
        }

        cout<<dp[n];
    }

    return 0;

}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:84:66: error: expected ')' before ';' token
   84 |             int q2 = (i==2) ? inf : (abs(a[i] - a[i-2]) + dp[i-2];
      |                                     ~                            ^
      |                                                                  )
Language: C

#include <iostream>
#include <string>
#include <vector>
#include <bits/stdc++.h>

using namespace std;

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

    int dp[N];
    dp[0] = 0;
    dp[1] = abs(arr[1]-arr[0]);
    for(int i = 2; i < N; ++i){
        int step1 = dp[i-1] + abs(arr[i]-arr[i-1]);
        int step2 = dp[i-2] + abs(arr[i]-arr[i-2]);
        if (step1<=step2){
            dp[i] = step1;
        }
        else{
            dp[i] = step2;
        }
    }
    cout << dp[N-1] << endl;
    return 0;
}

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

#include <iostream>
#define maxN 100004

int dp[maxN] = {INT_MAX};
int input[maxN] = {0};

int main() {
  int n;
  std::cin>>n;
  for(int i =0; i < n;i++) {
  	std::cin>>input[i];
  }
  dp[0] = 0;
  for(int i = 0; i < n; i++) {
    for(int j =1; j <=3;j++) {
      dp[i + j] = std::min(dp[i] + std::abs(input[i] - input[i+j]));
    }
  }
  std::cout << dp[n-1] << std::endl;
}

Compiler output:
a.cc:4:17: error: 'INT_MAX' was not declared in this scope
    4 | int dp[maxN] = {INT_MAX};
      |                 ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include <iostream>
  +++ |+#include <climits>
    2 | #define maxN 100004
a.cc: In function 'int main()':
a.cc:16:27: error: no matching function for call to 'min(int)'
   16 |       dp[i + j] = std::min(dp[i] + std::abs(input[i] - input[i+j]));
      |                   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

#include <bits/stdc++.h>
#define ll long long int
#define ld long double
#define pb push_back
#define vi vector<int>
#define vl vector<ll>
#define fo(i,a) for(ll i=0;i<a;i++)
#define fo1(i,a) for(ll i=1;i<a;i++)
#define Fo(i,a,n) for(ll i=a; i<n; i++)

using namespace std;
const int N = 1e5+2;
ll dp[N];
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
  /*  int t;
    cin >> t;
    while(t--)*/
        solve();
    return 0;
}

void solve(){
    int n;
    cin >> n;
    vi h(n,0);
    dp[2] = abs(h[2] - h[1]);
    dp[3] = min(dp[2] + abs(h[3]-h[2]), abs(h[1]-h[3]));
    Fo(i,4,n){
        dp[i] = min(dp[i-1] + abs(h[i]-h[i-1]), dp[i-2] + abs(h[i] - h[i-2]));
    }
    cout<<dp[n]<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:9: error: 'solve' was not declared in this scope
   22 |         solve();
      |         ^~~~~
a.cc: In function 'void solve()':
a.cc:31:16: error: no matching function for call to 'min(long long int, int)'
   31 |     dp[3] = min(dp[2] + abs(h[3]-h[2]), abs(h[1]-h[3]));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:31:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |     dp[3] = min(dp[2] + abs(h[3]-h[2]), abs(h[1]-h[3]));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:31:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |     dp[3] = min(dp[2] + abs(h[3]-h[2]), abs(h[1]-h[3]));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: Java

//package codeforces;

import java.util.Scanner;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.TreeMap;
import java.util.TreeSet;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Stack;
import java.util.Set;

public Main {
	// Integer.bitCount(i); count no of 1 bit in a given number
	static Scanner scn = new Scanner(System.in);
	static int mod = 1000000007;

	public static void main(String[] args) {
		// System.out.format("%.10f", ans);char c = sc.next().charAt(0);
		// code
		int n = scn.nextInt();
		int arr[] = new int[n];
		int memo[] = new int[n];
		for (int i = 0; i < n; i++)
			arr[i] = scn.nextInt();
		Arrays.fill(memo,-1);
		System.out.println(mincost(arr, 0, n, 0, memo));

	}

	public static int mincost(int arr[], int i, int n, int sum, int memo[]) {
		if (i == n - 1) {
			return sum;
		}
		if (i >= n) {
			return Integer.MAX_VALUE;
		}
		if (memo[i] != -1)
			return memo[i];

		int a = mincost(arr, i + 1, n, sum + Math.abs(arr[Math.min(n - 1, i + 1)] - arr[i]), memo);
		
		int b = mincost(arr, i + 2, n, sum + Math.abs(arr[i] - arr[Math.min(i + 2, n - 1)]), memo);
		
		memo[i]=Math.min(a, b);
		return Math.min(a,b);
	}

	public static boolean[] sieveOfEratosthenes(int n) {

		boolean prime[] = new boolean[n + 1];
		for (int i = 0; i < n; i++)
			prime[i] = true;

		for (int p = 2; p * p <= n; p++) {
			// If prime[p] is not changed, then it is a prime
			if (prime[p] == true) {
				// Update all multiples of p
				for (int i = p * p; i <= n; i += p)
					prime[i] = false;
			}
		}

		for (int i = 2; i <= n; i++) {
			if (prime[i] == true) {
				// list.add(i);
			}

		}
		return prime;
	}

	public static class Pair implements Comparable {
		int x;
		int y;
		int z;

		Pair(int x, int y, int z) {
			this.x = x;
			this.y = y;
			this.z = z;
		}

		public int compareTo(Object o) {
			Pair pp = (Pair) o;
			if (pp.x == x)
				return 0;
			else if (x > pp.x)
				return 1;
			else
				return -1;
		}

	}

}


Compiler output:
Main.java:16: error: class, interface, enum, or record expected
public Main {
       ^
Main.java:19: error: unnamed classes are a preview feature and are disabled by default.
	static int mod = 1000000007;
	       ^
  (use --enable-preview to enable unnamed classes)
Main.java:99: error: class, interface, enum, or record expected
}
^
3 errors
Language: C


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





























Compiler output:
main.c:2:9: fatal error: bits/stdc++.h: No such file or directory
    2 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define PII pair<int,int>
#define PSI pair<string,int>
#define PIII pair< int, pair<int,int> >
const int MXN = 1e5;
cosnt int INF = 1e8;
int a[MXN+5], dp[MXN+5];
int N;

int rc(int pos){

    if(pos==N) return 0;
    if(dp[pos]!=-1) return dp[pos];
    int ret = INF;
    for(int i=1; i<=2; i++){
        int next = pos + i;
        if(next<=N){
            ret = min( ret , rc(next) + abs(a[next]-a[pos]));
        }
    }

    return dp[pos]=ret;
}

void solve(){

    cin>>N;
    memset(dp,-1,sizeof(dp));
    for(int i=1; i<=N; i++) cin>>a[i];
    cout<< rc(1) << "\n";
}

int main(){

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
}


Compiler output:
a.cc:9:1: error: 'cosnt' does not name a type; did you mean 'const'?
    9 | cosnt int INF = 1e8;
      | ^~~~~
      | const
a.cc: In function 'int rc(int)':
a.cc:17:15: error: 'INF' was not declared in this scope
   17 |     int ret = INF;
      |               ^~~
Language: Java

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;

public class Two {

    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskA solver = new TaskA();
        int n,a;
        n=in.nextInt();
        int[] arr = new int[n];
        for(int i=0;i<n;i++){
            arr[i]=in.nextInt();
        }
        a=0;
        int ans = solver.call(arr , a);
        out.println(ans);
        out.close();
    }

    static class TaskA {
        public int call( int[] arr , int a ) {
            if(a>=arr.length-3)
                return Math.abs(arr[a] - arr[arr.length-1]);
            int first = Math.abs(arr[a+1] - arr[a]) + call(arr,a+1);
            int second = Math.abs(arr[a+2] - arr[a]) + call(arr,a+2);
            return Math.min(first,second);
        }
    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

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

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

        public int nextInt() {
            return Integer.parseInt(next());
        }
        public long nextLong() {
            return Long.parseLong(next());
        }


    }
}

Compiler output:
Main.java:11: error: class Two is public, should be declared in a file named Two.java
public class Two {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
#define pi pair<ll,ll>
#define pii pair<ll,pi>
#define pb push_back
#define mk make_pair
int main() {
#ifndef ONLINE_JUDGE
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n;
	cin >> n;
	vector<int>height(n + 1);
	for (int i = 1; i <= n; i++) {
		cin >> height[i];
	}
	vector<int>dp(n + 1, 1e9);
	dp[1] = 0;
	dp[2] = abs(height[1] - height[2]);
	for (int i = 3; i <= n; i++) {
		dp[i] = min(dp[i - 1] + abs(height[i] - height[i - 1]), dp[i - 2] + abs(height[i - 2] - height[i]));
	}
	cout << dp[n] << endl;
}


Compiler output:
a.cc:11: error: unterminated #ifndef
   11 | #ifndef ONLINE_JUDGE
Language: C++

#include<bits/stdc++.h>
#define int long long
using namespace std;
int dp[100005];

int frogJump(int a[], int n, int i){
	if(i==n-1){
		return 0;
	}
	if(i>=n){
		return INT_MAX;
	}
	if(dp[i] != -1){
		return dp[i];
	}
	int oneJump = abs(a[i]-a[i+1]) + frogJump(a, n, i+1);
	int twoJump = INT_MAX;
	if(i+2 < n){
		right = abs(a[i]-a[i+1]) + frogJump(a, n, i+2);
	} 
	return dp[i] = min(left, right);
}

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

Compiler output:
a.cc: In function 'long long int frogJump(long long int*, long long int, long long int)':
a.cc:19:23: error: assignment of function 'std::ios_base& std::right(ios_base&)'
   19 |                 right = abs(a[i]-a[i+1]) + frogJump(a, n, i+2);
      |                 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:21:27: error: invalid conversion from 'std::ios_base& (*)(std::ios_base&)' to 'long long int' [-fpermissive]
   21 |         return dp[i] = min(left, right);
      |                        ~~~^~~~~~~~~~~~~
      |                           |
      |                           std::ios_base& (*)(std::ios_base&)
At global scope:
cc1plus: error: '::main' must return 'int'
Language: C++

#include<bits/stdc++.h>
using namespace std;
int solve(int n,int ar){
  int dp[n+1];
  dp[1]=0;
  for(int i=2;i<=n;i++){
  	int opt1=abs(ar[i]-ar[i-1])+dp[i-1];
    int op2=if(i==2)?int:abs(ar[i]-ar[i-2])+dp[i-1];
      dp[i]=min(op1,op2);
  }
   return dp[n];
int main(){
  int n;
  cin>>n;
  vector<int> ar[n];
  for(int i=1;i<=n;i++){
    cin>>ar[i];
  }
  cout<<solve(n,ar)<<endl;
}

Compiler output:
a.cc: In function 'int solve(int, int)':
a.cc:7:24: error: invalid types 'int[int]' for array subscript
    7 |         int opt1=abs(ar[i]-ar[i-1])+dp[i-1];
      |                        ^
a.cc:7:30: error: invalid types 'int[int]' for array subscript
    7 |         int opt1=abs(ar[i]-ar[i-1])+dp[i-1];
      |                              ^
a.cc:8:13: error: expected primary-expression before 'if'
    8 |     int op2=if(i==2)?int:abs(ar[i]-ar[i-2])+dp[i-1];
      |             ^~
a.cc:9:17: error: 'op1' was not declared in this scope; did you mean 'op2'?
    9 |       dp[i]=min(op1,op2);
      |                 ^~~
      |                 op2
a.cc:12:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   12 | int main(){
      |         ^~
a.cc:12:9: note: remove parentheses to default-initialize a variable
   12 | int main(){
      |         ^~
      |         --
a.cc:12:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:12:11: error: a function-definition is not allowed here before '{' token
   12 | int main(){
      |           ^
a.cc:20:2: error: expected '}' at end of input
   20 | }
      |  ^
a.cc:3:24: note: to match this '{'
    3 | int solve(int n,int ar){
      |                        ^
Language: C++

#include<iostream>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;

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

typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;


void dk()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
}

int32_t main()
{
    dk();
    int n;
    cin >> n;
    int a[n];
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    int dp[n];
    dp[n - 1] = 0;
    dp[n - 2] = abs(a[n - 2] - a[n - 1]);
    for (int i = n - 3; i >= 0; i--)
    {
        dp[i] = min(dp[i + 1] + abs(a[i] - a[i + 1]), dp[i + 2] + abs(a[i] - a[i + 2]));
    }
    cout << dp[0];
    return 0;
}

Compiler output:
a.cc:23:1: error: 'mt19937' does not name a type
   23 | mt19937                 rng(chrono::steady_clock::now().time_since_epoch().count());
      | ^~~~~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<math.h>
#include<map>
#include<set>
#include<vector>
using namespace std;
#define mod 1000000007
#define ll long long 


int n;
int dp[100009];
int arr[100009];
int solve(int idx) {
	if(idx == n - 1)
		return 0;

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

	int ans = INT_MAX;

	ans = min(ans, abs(arr[idx + 1] - arr[idx]) + solve(idx + 1));
	if(idx + 2 < n)
		ans = min(ans, abs(arr[idx + 2] - arr[idx]) + solve(idx + 2)); 

	return dp[idx] = ans;
		
}


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

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


Compiler output:
a.cc: In function 'int solve(int)':
a.cc:22:19: error: 'INT_MAX' was not declared in this scope
   22 |         int ans = INT_MAX;
      |                   ^~~~~~~
a.cc:7:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    6 | #include<vector>
  +++ |+#include <climits>
    7 | using namespace std;
a.cc: In function 'int main()':
a.cc:37:9: error: 'memset' was not declared in this scope
   37 |         memset(dp, -1, sizeof(dp));
      |         ^~~~~~
a.cc:7:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    6 | #include<vector>
  +++ |+#include <cstring>
    7 | using namespace std;
Language: C++

#include <bits/stdc++.h>
#include <math.h>
#define rep(i,n) for (int i=0;i < (n); ++i)
#define ALL(x) (x).begin(), (x).end()
using namespace std;
using ll = long long;
 

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

Compiler output:
a.cc: In function 'int main()':
a.cc:3:18: error: expected ',' or ';' before 'for'
    3 | #define rep(i,n) for (int i=0;i < (n); ++i)
      |                  ^~~
a.cc:14:5: note: in expansion of macro 'rep'
   14 |     rep(i,n){
      |     ^~~
a.cc:14:9: error: 'i' was not declared in this scope
   14 |     rep(i,n){
      |         ^
a.cc:3:31: note: in definition of macro 'rep'
    3 | #define rep(i,n) for (int i=0;i < (n); ++i)
      |                               ^
a.cc:18:27: error: expected ';' before 'for'
   18 |     dp[1] = abs(h[0]-h[1])
      |                           ^
      |                           ;
   19 |     for(int i=2;i<n;i++){
      |     ~~~
Language: C++

#include <bits/stdc++.h>
#include <math.h>
#define rep(i,n) for (int i=0;i < (n); ++i)
#define ALL(x) (x).begin(), (x).end()
using namespace std;
using ll = long long;
 

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

Compiler output:
a.cc: In function 'int main()':
a.cc:3:18: error: expected ',' or ';' before 'for'
    3 | #define rep(i,n) for (int i=0;i < (n); ++i)
      |                  ^~~
a.cc:14:5: note: in expansion of macro 'rep'
   14 |     rep(i,n){
      |     ^~~
a.cc:14:9: error: 'i' was not declared in this scope
   14 |     rep(i,n){
      |         ^
a.cc:3:31: note: in definition of macro 'rep'
    3 | #define rep(i,n) for (int i=0;i < (n); ++i)
      |                               ^
a.cc:18:27: error: expected ';' before 'for'
   18 |     dp[1] = abs(h[0]-h[1])
      |                           ^
      |                           ;
   19 |     for(int i=2,i<n,i++){
      |     ~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i, n) for (ll i = 0; i < (ll)n; i++)
#define all(x) (x).begin(), (x).end()
#define unique(x) x.erase(unique(x.begin(), x.end()), x.end());
const long long INF = 1LL << 60;
// map<int,int> mp;

template <class T>
inline bool chmin(T& a, T b) {
  if (a > b) {
    a = b;
    return 1;
  } else {
    return0;
  }
}

ll rec(int i) {
  // read memo

  if (dp[i] < INF) return dp[i];
  // ini N-1 to 0

  if (i == 0) return 0;

  // path N-1 N-2

  ll res = INF;

  chmin(res, dp[i - 1] + abs(h[i] - h[i - 1]));
  if (i > 1) chmin(res, dp[i - 2] + abs(h[i] - h[i - 2]));

  // write memo

  return dp[i] = res;
}

ll h[100010];
ll dp[100010];

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

  REP(i, N) cin >> h[i];

  cout << rec(N - 1) << endl;
}

Compiler output:
a.cc: In function 'bool chmin(T&, T)':
a.cc:16:5: error: 'return0' was not declared in this scope
   16 |     return0;
      |     ^~~~~~~
a.cc: In function 'll rec(int)':
a.cc:23:7: error: 'dp' was not declared in this scope; did you mean 'dup'?
   23 |   if (dp[i] < INF) return dp[i];
      |       ^~
      |       dup
a.cc:32:14: error: 'dp' was not declared in this scope; did you mean 'dup'?
   32 |   chmin(res, dp[i - 1] + abs(h[i] - h[i - 1]));
      |              ^~
      |              dup
a.cc:32:30: error: 'h' was not declared in this scope
   32 |   chmin(res, dp[i - 1] + abs(h[i] - h[i - 1]));
      |                              ^
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:21:70: error: expected ')' before ';' token
   21 |     dp[i]=min(dp[i-1]+(abs(h[i-1]-h[i-2]),dp[i-2]+abs(h[i-1]-h[i-3]));
      |              ~                                                       ^
      |                                                                      )
Language: C++

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

Compiler output:
a.cc:2:9: fatal error: math: No such file or directory
    2 | #include<math>
      |         ^~~~~~
compilation terminated.
Language: C++

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

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin>>n;
  	int n,a[n+10],dp[n+10];
    dp[0]=0;dp[1]=0;
    for(int i=1;i<=n;i++)cin>>a[i];
    dp[2] = abs(a[1]-a[2]);
    for(int i=3;i<=n;i++){
        dp[i] = min(abs(a[i]-a[i-1])+dp[i-1],dp[i-2]+abs(a[i]-a[i-2]));
    }
    cout<<dp[n];

    return 0;
}    

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: 'n' was not declared in this scope; did you mean 'yn'?
    7 |     cin>>n;
      |          ^
      |          yn
a.cc:9:5: error: 'dp' was not declared in this scope; did you mean 'dup'?
    9 |     dp[0]=0;dp[1]=0;
      |     ^~
      |     dup
a.cc:10:31: error: 'a' was not declared in this scope
   10 |     for(int i=1;i<=n;i++)cin>>a[i];
      |                               ^
a.cc:11:17: error: 'a' was not declared in this scope
   11 |     dp[2] = abs(a[1]-a[2]);
      |                 ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
const int MOD = (int)1e9 + 7;
const long long int INF = 1LL << 60;
const double PI = 3.14159265358979323846;
typedef long long ll;

int main(void) {
  int n, h[100009];
  cin >> n;
  for (int i = 0; i < n; i++) cin >> h[i];
  int dp[100009] = {INF};
  dp[0] = 0;
  dp[1] = abs(h[0] - h[1]);
  for (int i = 2; i < n; i++) {
    dp[i] =
        min(dp[i - 1] + abs(h[i - 1] - h[i]), dp[i - 2] + abs(h[i - 2] - h[i]));
  }
  cout << dp[n - 1] << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:21: error: narrowing conversion of '1152921504606846976' from 'long long int' to 'int' [-Wnarrowing]
   12 |   int dp[100009] = {INF};
      |                     ^~~
Language: C++

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

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

}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:6: error: 'n' was not declared in this scope; did you mean 'yn'?
    6 | cin>>n;
      |      ^
      |      yn
a.cc:8:14: error: 'a' was not declared in this scope
    8 |         cin>>a[i];
      |              ^
a.cc:9:5: error: 'dp' was not declared in this scope; did you mean 'dup'?
    9 |     dp[1] = 0;
      |     ^~
      |     dup
a.cc:11:32: error: 'a' was not declared in this scope
   11 |         dp[i] = dp[i-1] + abs (a[i] - a[i-1]);
      |                                ^
Language: C++

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

void solve()
{
	int i,n;
	cin>>n;
	vector <int> v(n);
	vector <int> dp(n,0);
	for(i=0;i<n;i++)
		cin>>v[i];
	dp[0]=0;
	dp[1]=abs(v[1]-v[0]);
	if(n==1)
	{
		cout<<dp[0]<<"\n";
		return;
	}
	if(n==2)
	{
		cout<<dp[1]<<"\n";
		return;
	}
	for(i=2;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-1]<<"\n";
}


int main()
{
#ifndef ONLINE_JUDGE
#	freopen("input.txt","r",stdin);
	#freopen("output.txt","w",stdout);
#endif
	solve();
	return 0;
}

Compiler output:
a.cc:35:9: error: invalid preprocessing directive #freopen
   35 | #       freopen("input.txt","r",stdin);
      |         ^~~~~~~
a.cc:36:10: error: invalid preprocessing directive #freopen
   36 |         #freopen("output.txt","w",stdout);
      |          ^~~~~~~
Language: C++

#include <bits\stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define int long long
signed main() {
    ios::sync_with_stdio;
    cin.tie(0);
    cout.tie(0);
    
    int n;
    cin>>n;
    vector<int>a(n),dp(n);
    for(int i=0;i<n;i++)
        cin>>a[i];
    dp[0]=0;
    dp[1]=abs(a[0]-a[1]);
    for(int i=2;i<n;i++)
    {
        dp[i]=min(abs(a[i]-a[i-1])+dp[i-1],abs(a[i]-a[i-2])+dp[i-2]);
    }
    cout<<dp[n-1];

}

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 "bits\stdc++.h"
using namespace std;
#define ll long long
#define ld long double
#define int long long
signed main() {
    ios::sync_with_stdio;
    cin.tie(0);
    cout.tie(0);
    
    int n;
    cin>>n;
    vector<int>a(n),dp(n);
    for(int i=0;i<n;i++)
        cin>>a[i];
    dp[0]=0;
    dp[1]=abs(a[0]-a[1]);
    for(int i=2;i<n;i++)
    {
        dp[i]=min(abs(a[i]-a[i-1])+dp[i-1],abs(a[i]-a[i-2])+dp[i-2]);
    }
    cout<<dp[n-1];

}

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<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define rep(i,a,b)  for(ll i=a;i<b;i++)


int main() 
{ 
	int n;
	cin >> n;
	int a[n];
	rep(1,0,n)
		cin >> a[i];
	int dp[n];
	
	dp[0] = a[0];
	d[i] = 
	rep(i,2,n)
	{
		
		int o1 = dp[i-1] + abs(arr[i-1] -  arr[i]);
		int o2 =  (i==2) ? ifn :dp[i-2] + abs(arr[i-2] -  arr[i]);
		dp[i] = min( o1,o2);
	}
	cout << dp[n] << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:13:13: error: expected unqualified-id before numeric constant
   13 |         rep(1,0,n)
      |             ^
a.cc:5:28: note: in definition of macro 'rep'
    5 | #define rep(i,a,b)  for(ll i=a;i<b;i++)
      |                            ^
a.cc:13:13: error: expected ';' before numeric constant
   13 |         rep(1,0,n)
      |             ^
a.cc:5:28: note: in definition of macro 'rep'
    5 | #define rep(i,a,b)  for(ll i=a;i<b;i++)
      |                            ^
a.cc:13:13: error: lvalue required as left operand of assignment
   13 |         rep(1,0,n)
      |             ^
a.cc:5:28: note: in definition of macro 'rep'
    5 | #define rep(i,a,b)  for(ll i=a;i<b;i++)
      |                            ^
a.cc:5:35: error: expected ')' before ';' token
    5 | #define rep(i,a,b)  for(ll i=a;i<b;i++)
      |                        ~          ^
a.cc:13:9: note: in expansion of macro 'rep'
   13 |         rep(1,0,n)
      |         ^~~
a.cc:13:13: error: lvalue required as increment operand
   13 |         rep(1,0,n)
      |             ^
a.cc:5:36: note: in definition of macro 'rep'
    5 | #define rep(i,a,b)  for(ll i=a;i<b;i++)
      |                                    ^
a.cc:18:9: error: 'd' was not declared in this scope; did you mean 'dp'?
   18 |         d[i] =
      |         ^
      |         dp
a.cc:18:11: error: 'i' was not declared in this scope
   18 |         d[i] =
      |           ^
a.cc:5:21: error: expected primary-expression before 'for'
    5 | #define rep(i,a,b)  for(ll i=a;i<b;i++)
      |                     ^~~
a.cc:19:9: note: in expansion of macro 'rep'
   19 |         rep(i,2,n)
      |         ^~~
Language: C++

/*
	################
	# Avi Kasliwal #
	# Noob Coder:( #
	################
*/

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

#define int long long
#define IOS ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(NULL)


#define deb(x) cout << "#x " << x << "\n"


#define newline cout << "\n"
#define yes cout << "Yes" << "\n"
#define no cout << "No" << "\n"
#define Yes cout << "YES" << "\n"
#define No cout << "NO" << "\n"


#define fixDeci(num, places) std::cout << std::fixed << std::setprecision(places) << num << '\n'
#define setBits(x) __builtin_popcount(x)
#define zerobits(x) __builtint_ctzll(x)
#define MOD 1000000007

#define rep(i, s, e) for (i = s; i < e; i++)
#define repr(i, s, e) for (i = s; i >= e; i--)

// GCD Function
int GCD(int a, int b) {
	if (b == 0) {
		return a;
	} else {
		return GCD(b, a % b);
	}
}

// LCM Function
int LCM(int a, int b) {
	int gcd = GCD(a, b);
	return (max(a, b) / gcd)*(min(a, b));
}

/*int p[100000001];
void Sieve() {
	p[0] = p[1] = 0;
	p[2] = 1;
	for (int i = 4; i < 100000000; i += 2) {
		p[i] = 0;
	}
	for (int i = 3; i * i < 100000000; i++) {
		if (p[i] == 1) {
			for (int j = i*i; j < 100000000; j += i) {
				p[j] = 0;
			}
		}
	}
}*/

int32_t main () {
	IOS; int i, j;

	/*######## Code Here ##########*/
	/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
	
	int t; t = 1;
	while (t--) {
		int n; cin >> n;
		int a[n][3];
		rep (i, 0, n) {
			rep (j, 0, 3) {
				cin >> a[i][j];
			}
		}
		rep (i, 0, n) {
			rep (j, 0, 3) {
				dp[i][j] = INT_MIN;
			}
		}
		int dp[n][3];
		dp[0][0] = a[0][0];
		dp[0][1] = a[0][1];
		dp[0][2] = a[0][2];



		rep (i, 1, n) {
			rep (j, 0, 3) {
				dp[i][j] = a[i][j] + max(dp[i - 1][(j + 1) % 3], dp[i - 1][(j + 2) % 3]);
			}
		}

		cout << max (dp[n - 1][0], max (dp[n - 2][1], dp[n - 1][2])) << "\n";
	}

	return 0;
}

/*Timus : 294930IX */

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:82:33: error: 'dp' was not declared in this scope; did you mean 'dup'?
   82 |                                 dp[i][j] = INT_MIN;
      |                                 ^~
      |                                 dup
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  int arr[n];
  for(int i=0;i<n;i++)
  {
    cin>>arr[i];
  }
  vector<int>dp(n);
  dp[0]=0;
  for(int i=1;i<n;i++)
  {
    int op1=abs(arr[i]-arr[i-1])+dp[i-1];
    if(i>1)
      int op2=abs(arr[i]-arr[i-2])+dp[i-2];
    else
      op2=INT_MAX;
    dp[i]=min(op1,op2);
  }
  return dp[n-1];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:7: error: 'op2' was not declared in this scope; did you mean 'op1'?
   20 |       op2=INT_MAX;
      |       ^~~
      |       op1
a.cc:21:19: error: 'op2' was not declared in this scope; did you mean 'op1'?
   21 |     dp[i]=min(op1,op2);
      |                   ^~~
      |                   op1