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

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

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:3: error: expected primary-expression before 'int'
    4 |   int n;
      |   ^~~
a.cc:4:3: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:3: error: 'cin' does not name a type
    5 |   cin>>n;
      |   ^~~
a.cc:8:3: error: expected unqualified-id before 'for'
    8 |   for(int i=0;i<n;i++){
      |   ^~~
a.cc:8:15: error: 'i' does not name a type
    8 |   for(int i=0;i<n;i++){
      |               ^
a.cc:8:19: error: 'i' does not name a type
    8 |   for(int i=0;i<n;i++){
      |                   ^
a.cc:12:17: error: 'n' was not declared in this scope; did you mean 'yn'?
   12 |   vector<int> X(n,0);
      |                 ^
      |                 yn
a.cc:13:3: error: 'X' does not name a type
   13 |   X[1]=abs(height[0]-height[1]);
      |   ^
a.cc:14:3: error: expected unqualified-id before 'for'
   14 |   for(int i=2;i<n;i++){
      |   ^~~
a.cc:14:15: error: 'i' does not name a type
   14 |   for(int i=2;i<n;i++){
      |               ^
a.cc:14:19: error: 'i' does not name a type
   14 |   for(int i=2;i<n;i++){
      |                   ^
a.cc:17:3: error: 'cout' does not name a type
   17 |   cout<<X[n-1]<<"\n";
      |   ^~~~
a.cc:18:1: error: expected declaration before '}' token
   18 | }
      | ^
Language: C++

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

Compiler output:
a.cc:17:17: warning: missing terminating " character
   17 |   cout<<X[n-1]<<"\n;
      |                 ^
a.cc:17:17: error: missing terminating " character
   17 |   cout<<X[n-1]<<"\n;
      |                 ^~~~
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:3: error: expected primary-expression before 'int'
    4 |   int n;
      |   ^~~
a.cc:4:3: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:3: error: 'cin' does not name a type
    5 |   cin>>n;
      |   ^~~
a.cc:8:3: error: expected unqualified-id before 'for'
    8 |   for(int i=0;i<n;i++){
      |   ^~~
a.cc:8:15: error: 'i' does not name a type
    8 |   for(int i=0;i<n;i++){
      |               ^
a.cc:8:19: error: 'i' does not name a type
    8 |   for(int i=0;i<n;i++){
      |                   ^
a.cc:12:17: error: 'n' was not declared in this scope; did you mean 'yn'?
   12 |   vector<int> X(n,0);
      |                 ^
      |                 yn
a.cc:13:3: error: 'X' does not name a type
   13 |   X[1]=abs(height[0]-height[1]);
      |   ^
a.cc:14:3: error: expected unqualified-id before 'for'
   14 |   for(int i=2;i<n;i++){
      |   ^~~
a.cc:14:15: error: 'i' does not name a type
   14 |   for(int i=2;i<n;i++){
      |               ^
a.cc:14:19: error: 'i' does not name a type
   14 |   for(int i=2;i<n;i++){
      |                   ^
a.cc:17:3: error: 'cout' does not name a type
   17 |   cout<<X[n-1]<<"\n;
      |   ^~~~
a.cc:18:1: error: expected declaration before '}' token
   18 | }
      | ^
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int main() {

	int n;	cin >> n;
	vector<int> a(n);
	vector<int> dp(n, INT_MAX);

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

	dp[0] = 0; dp[1] = abs(a[1] - a[0]);

	for (int i = 2; i < n; i++)
		dp[i] = min(dp[i - 1] + abs(a[i] - a[i - 1]), dp[i - 2] + abs(a[i] - a[i - 2]));

	cout << dp[n - 1] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:27: error: 'INT_MAX' was not declared in this scope
   11 |         vector<int> dp(n, INT_MAX);
      |                           ^~~~~~~
a.cc:4:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    3 | #include <vector>
  +++ |+#include <climits>
    4 |
Language: C++

#include<bits/stdc++.h>
using namespace std;
vector<int> memo;
int dp(vector<int> a, int i,int n)
{
	if(n==2) return abs(a[i]-a[i+1]);
	if(i==n-1) return 0;
	if(i>=n) return INT_MAX;
	if(memo[i]!=-1) return memo[i];
	int one = abs(a[i+1]-a[i]) + dp(a,i+1); 
	int two = abs(a[i+2]-a[i]) + dp(a,i+2);

	return memo[i] = min(one,two);

}
int main()
{
	/*#ifndef ONLINE_JUDGE
	freopen("input.txt","r",stdin);
	freopen("output.txt","w",stdout);
	#endif
    */
    int t;
    cin>>t;
    while(t--)
    {
    	int n;
    	cin>>n;
     vector<int>a;
     for (int i = 0; i < n; ++i)
     {
     	int x;
     	cin>>x;
     	a.push_back(x);

     } 
	 memo.resize(n+1,-1);
     cout<<dp(a,0,n)<<endl;
    }

}


Compiler output:
a.cc: In function 'int dp(std::vector<int>, int, int)':
a.cc:10:40: error: too few arguments to function 'int dp(std::vector<int>, int, int)'
   10 |         int one = abs(a[i+1]-a[i]) + dp(a,i+1);
      |                                      ~~^~~~~~~
a.cc:4:5: note: declared here
    4 | int dp(vector<int> a, int i,int n)
      |     ^~
a.cc:11:40: error: too few arguments to function 'int dp(std::vector<int>, int, int)'
   11 |         int two = abs(a[i+2]-a[i]) + dp(a,i+2);
      |                                      ~~^~~~~~~
a.cc:4:5: note: declared here
    4 | int dp(vector<int> a, int i,int n)
      |     ^~
Language: C++

#include<iostream.h>
using namespace std;
#define ll long long int
ll arr[1000001];
ll dp[1000001];

int solve(int n)
{
    dp[1]=0;
    dp[2]=abs(arr[2]-arr[1]);

    for(ll i=3;i<=n;i++)
    {
        ll opt1= dp[i-1]+abs(arr[i]-arr[i-1]);
        ll opt2= dp[i-2]+abs(arr[i]-arr[i-2]);
        dp[i]=min(opt1,opt2);
    }
    return dp[n];

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

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


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

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

int main() {
    int n;
    scanf("%d", &n);
    vector<int> h(n);
    for(int& x : h) {
        scanf("%d", &x);
    }
    vector<int> dp(n, INF);
    dp[0] = 0;
    for(int i = 0; i < n; ++i) {
        for(int j : {i + 1, i + 2}) {
            if(j < n) {
                dp[j] = min(dp[j], dp[i] + abs(h[i] - h[j]));
            }
        }
    }
    printf("%d\n", dp[n-1]);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: 'INF' was not declared in this scope
   11 |     vector<int> dp(n, INF);
      |                       ^~~
Language: C++

int n;
cin>>n;
vector<int> X;
for(int i=0;i<n;i++){
  int a;
  cin>>a;
  X.push_back(a);
}
cout<<0;

Compiler output:
a.cc:2:1: error: 'cin' does not name a type
    2 | cin>>n;
      | ^~~
a.cc:3:1: error: 'vector' does not name a type
    3 | vector<int> X;
      | ^~~~~~
a.cc:4:1: error: expected unqualified-id before 'for'
    4 | for(int i=0;i<n;i++){
      | ^~~
a.cc:4:13: error: 'i' does not name a type
    4 | for(int i=0;i<n;i++){
      |             ^
a.cc:4:17: error: 'i' does not name a type
    4 | for(int i=0;i<n;i++){
      |                 ^
a.cc:9:1: error: 'cout' does not name a type
    9 | cout<<0;
      | ^~~~
Language: Java

import java.util.*;

public class frog1
{
	public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		int[] arr = new int[t];
		for(int i=0;i<t;i++)
		{
			arr[i] = sc.nextInt();
		}

		int[] dp = new int[t];

		dp[0] = 0;
		dp[1] = arr[1]-arr[0];

		for(int i=2;i<t;i++)
		{
			dp[i] = Math.min(dp[i-1]+Math.abs(arr[i]-arr[i-1]),dp[i-2]+Math.abs(arr[i]-arr[i-1]));
		}

		System.out.println(dp[t-1]);
	}
}

Compiler output:
Main.java:3: error: class frog1 is public, should be declared in a file named frog1.java
public class frog1
       ^
1 error
Language: C++

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

Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namepsace'
    3 | using namepsace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin>>n;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector<int> v(n);
      |   ^~~~~~
a.cc:8:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:8:10: error: expected primary-expression before 'int'
    8 |   vector<int> v(n);
      |          ^~~
a.cc:13:5: error: 'v' was not declared in this scope
   13 |     v[i]=a;
      |     ^
a.cc:15:10: error: expected primary-expression before 'int'
   15 |   vector<int> dp(n);
      |          ^~~
a.cc:16:3: error: 'dp' was not declared in this scope
   16 |   dp[0]=0;
      |   ^~
a.cc:17:13: error: 'v' was not declared in this scope
   17 |   dp[1]=abs(v[1]-v[0]);
      |             ^
a.cc:21:11: error: 'min' was not declared in this scope; did you mean 'std::min'?
   21 |     dp[i]=min(dp[i-1]+abs(v[i]-v[i-1]),dp[i-2]+abs(v[i]-v[i-2]));
      |           ^~~
      |           std::min
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: 'std::min' declared here
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
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;
const int INF = numeric_limits<int>::max();
int n;
int dp[100005];
int arr[100005];
int f(int curr){
	int&ret = dp[curr];
	if(~ret) return ret;
	if(curr>n) return ret = INF;
	if(curr==n) return ret = 0;
	ret = abs(arr[curr+1]-arr[curr])+f(curr+1);
	if(curr<n-1) ret = min(ret,abs(arr[curr]-arr[curr+2])+f(curr+2));
	return ret;
}
int main(){
	memset(dp,-1,sizeof(dp));
	cin>>n;
	for(int i=1; i<=n; i++) cin>>arr[i];
	cout<<f(1);
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<bits/stdc++.h>
      | ^~~~~~~
a.cc:3:17: error: 'numeric_limits' was not declared in this scope
    3 | const int INF = numeric_limits<int>::max();
      |                 ^~~~~~~~~~~~~~
a.cc:3:32: error: expected primary-expression before 'int'
    3 | const int INF = numeric_limits<int>::max();
      |                                ^~~
a.cc: In function 'int f(int)':
a.cc:12:15: error: 'abs' was not declared in this scope
   12 |         ret = abs(arr[curr+1]-arr[curr])+f(curr+1);
      |               ^~~
a.cc:13:28: error: 'min' was not declared in this scope
   13 |         if(curr<n-1) ret = min(ret,abs(arr[curr]-arr[curr+2])+f(curr+2));
      |                            ^~~
a.cc: In function 'int main()':
a.cc:17:9: error: 'memset' was not declared in this scope
   17 |         memset(dp,-1,sizeof(dp));
      |         ^~~~~~
a.cc:1:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
  +++ |+#include <cstring>
    1 | include<bits/stdc++.h>
a.cc:18:9: error: 'cin' was not declared in this scope
   18 |         cin>>n;
      |         ^~~
a.cc:20:9: error: 'cout' was not declared in this scope
   20 |         cout<<f(1);
      |         ^~~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int n;
  cin>>n;
  const int INF=1e9+7;
  vector<long long int>h(n);
  for(int i=0;i<n;i++)
    cin>>h[i];
  vector<long long int> s(n,INF);
  s[0]=0;
  for(i=0;i<n;i++)
  {
    for(int j=i+1;j<=i+2;j++)
    {
      s[j]=min(s[j],s[i]+abs(h[j]-h[i]));
    }
 }   
 cout<<s[n-1];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector<long long int>h(n);
      |   ^~~~~~
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:8:10: error: expected primary-expression before 'long'
    8 |   vector<long long int>h(n);
      |          ^~~~
a.cc:10:10: error: 'h' was not declared in this scope
   10 |     cin>>h[i];
      |          ^
a.cc:11:10: error: expected primary-expression before 'long'
   11 |   vector<long long int> s(n,INF);
      |          ^~~~
a.cc:12:3: error: 's' was not declared in this scope
   12 |   s[0]=0;
      |   ^
a.cc:13:7: error: 'i' was not declared in this scope
   13 |   for(i=0;i<n;i++)
      |       ^
a.cc:17:30: error: 'h' was not declared in this scope
   17 |       s[j]=min(s[j],s[i]+abs(h[j]-h[i]));
      |                              ^
Language: C++

#include<bits/stdc++.h>
#include<iostream>
using namespace std;
int main(){
	int n;
	cin>>n;
	int sum=0;
	int arr[n];
	for(int i=0;i<n;i++){
		cin>>arr[i];
	}
	for(int j=n;j>0;j--){
		int t=*min_element(abs(arr[j]-arr[j-1]),abs(arr[j]-arr[j-2]));
		if(t=abs(arr[j]-arr[j-1])){
			sum=sum+t;
			j=j-1;
		}
		else{
			sum=sum+t;
			j=j-2;
		}
	}
	cout<<sum;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:23: error: invalid type argument of unary '*' (have 'int')
   13 |                 int t=*min_element(abs(arr[j]-arr[j-1]),abs(arr[j]-arr[j-2]));
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:71,
                 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/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_less_iter::operator()(_Iterator1, _Iterator2) const [with _Iterator1 = int; _Iterator2 = int]':
/usr/include/c++/14/bits/stl_algo.h:5562:12:   required from 'constexpr _ForwardIterator std::__min_element(_ForwardIterator, _ForwardIterator, _Compare) [with _ForwardIterator = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 5562 |         if (__comp(__first, __result))
      |             ~~~~~~^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5586:43:   required from 'constexpr _FIter std::min_element(_FIter, _FIter) [with _FIter = int]'
 5586 |       return _GLIBCXX_STD_A::__min_element(__first, __last,
      |                                           ^
a.cc:13:21:   required from here
   13 |                 int t=*min_element(abs(arr[j]-arr[j-1]),abs(arr[j]-arr[j-2]));
      |                        ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/predefined_ops.h:45:16: error: invalid type argument of unary '*' (have 'int')
   45 |       { return *__it1 < *__it2; }
      |                ^~~~~~
/usr/include/c++/14/bits/predefined_ops.h:45:25: error: invalid type argument of unary '*' (have 'int')
   45 |       { return *__it1 < *__it2; }
      |                         ^~~~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:87: error: expected ')' before ';' token
   10 |     dp[i] = min(dp[i - 1] + abs(vc[i] - vc[i - 1]), dp[i - 2] + abs(vc[i] - vc[i - 2]);
      |                ~                                                                      ^
      |                                                                                       )
Language: C++

#include<iostream>
#include<math.h>
#include<algorithm.h>
using namespace std;
int a[100001], h[100001];
int main()
{ int n;
  cin>>n;
  for(int i = 1; i <= n; i++)
  	cin>>h[i];
  a[n] = 0;
  a[n-1] = abs(h[n]-h[n-1]);
  for(int i = n-2; i > 0; i--)
  { a[i] = min((a[i+1] + abs(h[i+1]-h[i])),(a[i+2] + abs(h[i+2]-h[i])));
  }
  cout<<a[1];
  return 0;
}

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

#include<iostream>
#include<math.h>
using namespace std;
int a[100001], h[100001];
int main()
{ int n;
  cin>>n;
  for(int i = 1; i <= n; i++)
  	cin>>h[i];
  a[n] = 0;
  a[n-1] = abs(h[n]-h[n-1]);
  for(int i = n-2; i > 0; i--)
  { if((a[i+1] + abs(h[i+1]-h[i])) > (a[i+2] + abs(h[i+2]-h[i])))
  	{ a[i] = a[i+1] + abs(h[i+1]-h[i]);
    }
    else
    { a[i] = a[i+2] + abs(h[i+2]-h[i]);
    }
  }
  cout<<a[i];
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:11: error: 'i' was not declared in this scope
   20 |   cout<<a[i];
      |           ^
Language: C++

#include<iostream>
#include<math>
using namespace std;
int a[100001], h[100001];
int main()
{ int n;
  cin>>n;
  for(int i = 1; i <= n; i++)
  	cin>>h[i];
  a[n] = 0;
  a[n-1] = abs(h[n]-h[n-1]);
  for(int i = n-2; i > 0; i--)
  { if((a[i+1] + abs(h[i+1]-h[i])) > (a[i+2] + abs(h[i+2]-h[i])))
  	{ a[i] = a[i+1] + abs(h[i+1]-h[i]);
    }
    else
    { a[i] = a[i+2] + abs(h[i+2]-h[i]);
    }
  }
  cout<<a[i];
  return 0;
}

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

#include <iostream.h>
#include <math.h>
using namespace std;
int a[100001], h[100001];
int main()
{ int n;
  cin>>n;
  for(int i = 1; i <= n; i++)
  	cin>>h[i];
  a[n] = 0;
  a[n-1] = abs(h[n]-h[n-1]);
  for(int i = n-2; i > 0; i--)
  { if((a[i+1] + abs(h[i+1]-h[i])) > (a[i+2] + abs(h[i+2]-h[i])))
  	{ a[i] = a[i+1] + abs(h[i+1]-h[i]);
    }
    else
    { a[i] = a[i+2] + abs(h[i+2]-h[i]);
    }
  }
  cout<<a[i];
  return 0;
}

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

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

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:19:11: error: 'i' was not declared in this scope
   19 |   cout<<a[i];
      |           ^
Language: C++

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





int32_t main()
{
    int n;
    cin>>n;
    vector<int>v(n);
    for(int i=0 ; i<n ; i++)
    {
        cin>>v[i];

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

}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:20:5: error: expected ',' or ';' before 'dp'
   20 |     dp[0]=0;
      |     ^~
Language: C++

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

vector<int>cache(1000000,-1);

int f(vector<int>v , int n)
{

    if(n==0)
    {
        return 0;
    }
    if(n==1)
    {
        return v[n-1];
    }
    if(n==2)
    {
        return f(1)+abs(v[0]-v[1]);
    }
    if(cache[n]!=-1)
    {
        return cache[n];
    }
    else
    {
        return min(f(n-1)+abs(v[n-2]-v[n-1]) , f(n-2)+abs(v[n-3]-v[n-2]));
    }
}


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

    }
    cout<<f(v,n)<<endl;

}

Compiler output:
a.cc: In function 'int f(std::vector<int>, int)':
a.cc:19:18: error: could not convert '1' from 'int' to 'std::vector<int>'
   19 |         return f(1)+abs(v[0]-v[1]);
      |                  ^
      |                  |
      |                  int
a.cc:27:23: error: could not convert '(n - 1)' from 'int' to 'std::vector<int>'
   27 |         return min(f(n-1)+abs(v[n-2]-v[n-1]) , f(n-2)+abs(v[n-3]-v[n-2]));
      |                      ~^~
      |                       |
      |                       int
a.cc:27:51: error: could not convert '(n - 2)' from 'int' to 'std::vector<int>'
   27 |         return min(f(n-1)+abs(v[n-2]-v[n-1]) , f(n-2)+abs(v[n-3]-v[n-2]));
      |                                                  ~^~
      |                                                   |
      |                                                   int
Language: C++

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

vector<int>cache(1000000,-1);

int f(vector<int>v , int n)
{

    if(n==0)
    {
        return 0;
    }
    if(n==1)
    {
        return v[n-1];
    }
    if(n==2)
    {
        return f(1)+abs(v[0]-v[1]);
    }
    if(cache[n]!=-1)
    {
        return cache[n];
    }
    else
    {
        return min(f(n-1)+abs(v[n-2]-v[n-1]) , f(n-2)+abs(v[n-3]-v[n-2]));
    }
}


int32_t main()
{
    int n;
    cin>>n;
    vector<int>v(n);
    for(int i=0 ; i<n ; i++)
    {
        cin>>v[i];

    }
    cout<<f(v,n)<<endl;

}

Compiler output:
a.cc: In function 'int f(std::vector<int>, int)':
a.cc:19:18: error: could not convert '1' from 'int' to 'std::vector<int>'
   19 |         return f(1)+abs(v[0]-v[1]);
      |                  ^
      |                  |
      |                  int
a.cc:27:23: error: could not convert '(n - 1)' from 'int' to 'std::vector<int>'
   27 |         return min(f(n-1)+abs(v[n-2]-v[n-1]) , f(n-2)+abs(v[n-3]-v[n-2]));
      |                      ~^~
      |                       |
      |                       int
a.cc:27:51: error: could not convert '(n - 2)' from 'int' to 'std::vector<int>'
   27 |         return min(f(n-1)+abs(v[n-2]-v[n-1]) , f(n-2)+abs(v[n-3]-v[n-2]));
      |                                                  ~^~
      |                                                   |
      |                                                   int
Language: C++

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

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namesapce'
    2 | using namesapce std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin>>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:13:20: error: 'min' was not declared in this scope; did you mean 'std::min'?
   13 |     cost[i]=arr[i]+min(cost[i-1],cost[i-2]);
      |                    ^~~
      |                    std::min
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: 'std::min' declared here
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:15:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |     cout<<cost[n];
      |     ^~~~
      |     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/stc++.h>
using namespace std;

int mincost(vector<int> &dp, vector<int> &h, int i){
  if(dp[i] != 0)
    	return dp[i];
	if(i >= h.size()-1){
      return 0;
    }
  if(i == h.size() -2){
  	return dp[i] = abs(h[i]-h[i+1]);
  }
  return dp[i] = min(abs(h[i]-h[i+1])+mincost(dp, h, i+1), abs(h[i]-h[i+2])+mincost(dp, h, i+2));
}

int main(){
  int n;
  cin>>n;
  vector<int> h(n, 0);
  vector<int> dp (n, 0);
  for(int i = 0; i < n; ++i){
  	cin>>h[i];
  }
  return mincost(dp, h, 0);
}

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

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

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

import java.util.Scanner;
class Main
{
  public static long knapsack(long[] wt, long[] val, long n, long w, long[][] dp)
  {
    for(int i = 1; i <= n; i++)
    {
      for(int j = 1; j <= w; j++)
      {
        if(wt[i - 1] <= j)
        {
          dp[i][j] = Math.max((val[i - 1] + dp[i - 1][j - wt[i - 1]]), dp[i - 1][j]);
        }
        else
                                                      {
                                                        dp[i][j] = dp[i - 1][j];
                                                      }
                                                        
                                                      
      }
    }
                                                      return dp[n][w];
  }
  public static void main(String[] args)
  {
    Scanner scan = new Scanner(System.in);
    int n = scan.nextInt();
    int w = scan.nextInt();
    long wt[] = new long[n];
    long val[] = new long[n];
    for(int i = 0; i < n; i++)
    {
      wt[i] = scan.nextlong();
      val[i] = scan.nextlong();
    }
    long[][] dp = new long[n + 1][w + 1];
    long maxProfit = knapsack(wt, val, n, w, dp);
    System.out.prlongln(maxProfit);
  }
}


Compiler output:
Main.java:12: error: incompatible types: possible lossy conversion from long to int
          dp[i][j] = Math.max((val[i - 1] + dp[i - 1][j - wt[i - 1]]), dp[i - 1][j]);
                                                        ^
Main.java:22: error: incompatible types: possible lossy conversion from long to int
                                                      return dp[n][w];
                                                                ^
Main.java:22: error: incompatible types: possible lossy conversion from long to int
                                                      return dp[n][w];
                                                                   ^
Main.java:33: error: cannot find symbol
      wt[i] = scan.nextlong();
                  ^
  symbol:   method nextlong()
  location: variable scan of type Scanner
Main.java:34: error: cannot find symbol
      val[i] = scan.nextlong();
                   ^
  symbol:   method nextlong()
  location: variable scan of type Scanner
Main.java:38: error: cannot find symbol
    System.out.prlongln(maxProfit);
              ^
  symbol:   method prlongln(long)
  location: variable out of type PrintStream
6 errors
Language: C++

/********   All Required Header Files ********/
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <queue>
#include <deque>
#include <bitset>
#include <iterator>
#include <list>
#include <stack>
#include <map>
#include <set>
#include <functional>
#include <numeric>
#include <utility>
#include <limits>
#include <time.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
using namespace std;
// ****  All Required define Pre-Processors and typedef Constants *******/
#define mem(a, b) memset(a, (b), sizeof(a))
#define FOR(i, j, k, in) for (int i=j ; i<k ; i+=in)
#define RFOR(i, j, k, in) for (int i=j ; i>=k ; i-=in)
#define fl(i, j) FOR(i, 0, j, 1)
#define RREP(i, j) RFOR(i, j, 0, 1)

#define fi(it, l) for (auto it = l.begin(); it != l.end(); it++)

#define PB push_back
#define INF (int)1e9
#define EPS 1e-9
#define PI 3.1415926535897932384626433832795
#define MOD 1000000007
const double pi=acos(-1.0);
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<PII> VII;
typedef vector<VI> VVI;
typedef map<int,int> dmap;
typedef set<int> dset;
typedef long int int32;
typedef unsigned long int uint32;
typedef long long int int64;
typedef unsigned long long int  uint64;
/********** solver function **********/
int solve(int i, vector<int> &v, vector<int> & dp){
    if( i==v.size()-1) return 0;
    if( i>=v.size()) return INT_MAX -1000;
    if( dp[i]!=-1) return dp[i];
    int a=INT_MAX, b=INT_MAX;
    if( i+1<v.size())
     a= abs(v[i+1]-v[i]) + solve( i+1, v, dp);
    if( i+2<v.size())
     b= abs( v[i+2]-v[i]) + solve( i+2, v, dp);
    return dp[i] =min( a,b);
	
}
/********** Main()  function **********/
int main()
{std::ios::sync_with_stdio(false);
    int n;
    cin>>n;
    vector<int> dp(n, -1);
    vector<int> v(n);
    for( int i=0; i<n; i++){
        cin>>v[i];
    }
    cout<<solve( 0,v,dp)<<endl;

}

Compiler output:
a.cc: In function 'int solve(int, std::vector<int>&, std::vector<int>&)':
a.cc:55:29: error: 'INT_MAX' was not declared in this scope
   55 |     if( i>=v.size()) return INT_MAX -1000;
      |                             ^~~~~~~
a.cc:25:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   24 | #include <assert.h>
  +++ |+#include <climits>
   25 | using namespace std;
a.cc:57:11: error: 'INT_MAX' was not declared in this scope
   57 |     int a=INT_MAX, b=INT_MAX;
      |           ^~~~~~~
a.cc:57:11: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
a.cc:61:6: error: 'b' was not declared in this scope
   61 |      b= abs( v[i+2]-v[i]) + solve( i+2, v, dp);
      |      ^
a.cc:62:26: error: 'b' was not declared in this scope
   62 |     return dp[i] =min( a,b);
      |                          ^
Language: C

/********   All Required Header Files ********/
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <queue>
#include <deque>
#include <bitset>
#include <iterator>
#include <list>
#include <stack>
#include <map>
#include <set>
#include <functional>
#include <numeric>
#include <utility>
#include <limits>
#include <time.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
using namespace std;
// ****  All Required define Pre-Processors and typedef Constants *******/
#define mem(a, b) memset(a, (b), sizeof(a))
#define FOR(i, j, k, in) for (int i=j ; i<k ; i+=in)
#define RFOR(i, j, k, in) for (int i=j ; i>=k ; i-=in)
#define fl(i, j) FOR(i, 0, j, 1)
#define RREP(i, j) RFOR(i, j, 0, 1)

#define fi(it, l) for (auto it = l.begin(); it != l.end(); it++)

#define PB push_back
#define INF (int)1e9
#define EPS 1e-9
#define PI 3.1415926535897932384626433832795
#define MOD 1000000007
const double pi=acos(-1.0);
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<PII> VII;
typedef vector<VI> VVI;
typedef map<int,int> dmap;
typedef set<int> dset;
typedef long int int32;
typedef unsigned long int uint32;
typedef long long int int64;
typedef unsigned long long int  uint64;
/********** solver function **********/
int solve(int i, vector<int> &v, vector<int> & dp){
    if( i==v.size()-1) return 0;
    if( i>=v.size()) return INT_MAX -1000;
    if( dp[i]!=-1) return dp[i];
    int a=INT_MAX, b=INT_MAX;
    if( i+1<v.size())
     a= abs(v[i+1]-v[i]) + solve( i+1, v, dp);
    if( i+2<v.size())
     b= abs( v[i+2]-v[i]) + solve( i+2, v, dp);
    return dp[i] =min( a,b);
	
}
/********** Main()  function **********/
int main()
{std::ios::sync_with_stdio(false);
    int n;
    cin>>n;
    vector<int> dp(n, -1);
    vector<int> v(n);
    for( int i=0; i<n; i++){
        cin>>v[i];
    }
    cout<<solve( 0,v,dp)<<endl;

}

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

import java.util.* ;

public class Frog1 {
    static int dp[] = new int[100001] ; 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in) ;
        int n = sc.nextInt() ; 
        int arr[] = new int[n+1] ; 
        for(int i=1 ; i<=n ; i++){
            arr[i] = sc.nextInt() ; 
        }
        for(int i=0 ; i<=n ; i++){
            dp[i] = -1 ; 
        }
        System.out.println(path(arr, n)); 
    }

    static int path(int arr[],int n){
        if(n<=1){
            return dp[n] = 0  ; 
        }
        if(dp[n]!=-1){
            return dp[n] ; 
        }
        else{
            return dp[n]= Math.min(Math.abs(arr[n]-arr[n-1])+path(arr, n-1),Math.abs(arr[n-2]-arr[n])+path(arr, n-2)) ; 
        }
    }
}


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.util.* ;

public class Frog1 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in) ;
        int n = sc.nextInt() ; 
        int arr[] = new int[n+1] ; 
        for(int i=1 ; i<=n ; i++){
            arr[i] = sc.nextInt() ; 
        }
        System.out.println(path(arr, n)); 
    }

    static int path(int arr[],int n){
        if(n<=1){
            return 0 ; 
        }
        else{
            return Math.min(Math.abs(arr[n]-arr[n-1])+path(arr, n-1),Math.abs(arr[n-2]-arr[n])+path(arr, n-2)) ; 
        }
    }
}


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

int frog1(int n, int *h){
    int cost[n+1] = {};
    cost[0] = 0;
    cost[1] = 0;
    cost[2] = abs(h[2]-h[1]);
    
    for(int i = 3; i < n+1; i++){
        cost[i] = min( (cost[i-2] + abs(h[i] - h[i-2])), (cost[i-1] + abs(h[i]-h[i-1])));
        
    }
    
    return cost[n];
}

int main() {
	int n; cin >> n;
	int h[n] = {};
	for(int i = 0; i<n; i++) cin >> h[i];
 	cout << frog1(n,h);
	return 0;
}

Compiler output:
a.cc: In function 'int frog1(int, int*)':
a.cc:5:15: error: 'abs' was not declared in this scope
    5 |     cost[2] = abs(h[2]-h[1]);
      |               ^~~
a.cc:8:19: error: 'min' was not declared in this scope
    8 |         cost[i] = min( (cost[i-2] + abs(h[i] - h[i-2])), (cost[i-1] + abs(h[i]-h[i-1])));
      |                   ^~~
a.cc: In function 'int main()':
a.cc:16:16: error: 'cin' was not declared in this scope
   16 |         int n; cin >> n;
      |                ^~~
a.cc:19:9: error: 'cout' was not declared in this scope
   19 |         cout << frog1(n,h);
      |         ^~~~
Language: C++

import sys
sys.setrecursionlimit(10**7)

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

# 足場 i から 足場 N - 1 まで移動するときのコストの最小値
def rec(i):
    if i == N - 1:
        return 0
    elif i == N - 2:
        return rec(i + 1) + abs(h[i + 1] - h[i])
    else:
        return min(rec(i + 1) + abs(h[i + 1] - h[i]), rec(i + 2) + abs(h[i + 2] - h[i]))

print(rec(0))

Compiler output:
a.cc:7:3: error: invalid preprocessing directive #\U00008db3\U00005834
    7 | # 足場 i から 足場 N - 1 まで移動するときのコストの最小値
      |   ^~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

    #include <bits/stdc++.h>
    using ll = long long;
    using namespace std;
    const long long MOD  = 1e9 +7;
    ll add(ll a,ll b) {
    	a+=b;
    	if(a>=MOD) a-=MOD;
    	return a;
    }
    int main()
    {
    	#ifndef ONLINE_JUDGE
    	freopen("in.txt","r",stdin);
    	freopen("out.txt","w",stdout);
    	#endif
    	ll n,k;
    	cin >>n>>k;
    	vector<ll> v(n);
    	for(int i = 0;i < n; i++) cin >> v[i];
    	vector<ll> dp(k+1), end(k+1);
    	ll ans = 0;
    	dp[0]  = 1;
    	for(int i = 0, m;i < n; i++) {
    		 ans  = 0;
    		 for(int j = 0;j <= k;j++) {
    			 ans = add(ans,dp[j]);
    		 	 if(j + v[i]<k) end[j+v[i]] = dp[j];
    		 	 dp[j] = ans;
    		 	 ans = (ans - end[j]+M)%M;
    		 	 end[j] = 0;
    		 }
    	}
    	cout <<(dp[k]%M+M)%M<<'\n';
    	return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:29:46: error: 'M' was not declared in this scope
   29 |                          ans = (ans - end[j]+M)%M;
      |                                              ^
a.cc:33:23: error: 'M' was not declared in this scope
   33 |         cout <<(dp[k]%M+M)%M<<'\n';
      |                       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long int
const int MOD=1e9+7;
vector<int> white,black;
vector< vector<int> > adj;
void dfs(int curr, int prev)
{
  for(auto u:adj[curr])
  { //int u=adj[curr][i];
    if(u!=prev)
	dfs(u,curr);	
  }
  white[curr]=1;black[curr]=1;
  for(auto u:adj[curr])
  {// int u=adj[curr][i];
  	if(u!=prev)
  	{
  	 	white[curr]=(white[curr]*((white[u]+black[u])%MOD))%MOD;
  	 	black[curr]=(black[curr]*white[u])%MOD;
	}
  }
}
//This is a program to compute the painters partition problem;
int main()
{
 int n;cin>>n;
 adj.resize(n+1);white.resize(n+1);black.resize(n+1);
 for(int i=1;i<n;i++)
 {
 	int x,y;cin>>x>>y;
 	adj[x].push_back(y);
 	adj[y].push_back(x);
 }
 dfs(1,0);
 cout<<(white[1]+black[1])%MOD<<endl;
}

Compiler output:
a.cc:3:23: error: '::main' must return 'int'
    3 | #define int long long int
      |                       ^~~
a.cc:25:1: note: in expansion of macro 'int'
   25 | int main()
      | ^~~
Language: C++

#include<bits/stdc++.h>
#define int long long 
using namespace std;
const int MOD=1e9+7;
vector<int> white,black;
vector< vector<int> > adj;
void dfs(int curr, int prev)
{
  for(int u:adj[curr])
  { 
    if(u!=prev)
	dfs(u,curr);	
  }
  white[curr]=1;black[curr]=1;
  for(int u:adj[curr])
  { 
  	if(u!=prev)
  	{
  	 	white[curr]=(white[curr]*((white[u]+black[u])%MOD))%MOD;
  	 	black[curr]=(black[curr]*white[u])%MOD;
	}
  }
}
//This is a program to compute the painters partition problem;
int main()
{
 int n;cin>>n;
 adj.resize(n+1);white.resize(n+1);black.resize(n+1);
 for(int i=1;i<n;i++)
 {
 	int x,y;cin>>x>>y;
 	adj[x].push_back(y);
 	adj[y].push_back(x);
 }
 dfs(1,0);
 cout<<(white[1]+black[1])%MOD<<endl;
}

Compiler output:
cc1plus: error: '::main' must return 'int'
Language: Java

import java.util.*;
public class Frog {
  
  public static void main(String args[]) {
    
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int[] arr = new int[n];
    
    for(int ind = 0; ind < n; ind++) {
      arr[ind] = sc.nextInt();
    }
    if(n == 1)
    {
      System.out.println(0);
      return;
    }
    if(n == 2) {
      System.out.println(Math.abs(arr[1] - arr[0]));
      return;
    }
    int[] dp = new int[n];
    dp[1] = Math.abs(arr[1] - arr[0]);
    for(int ind = 2; ind < n;ind++) {
      int cost1 = Math.abs(arr[ind] - arr[ind - 1]) + dp[ind - 1];
      int cost2 = Math.abs(arr[ind] - arr[ind - 2]) + dp[ind - 2];
      if(cost1 < cost2)
        dp[ind] = cost1;
      else
        dp[ind] = cost2;
    }

    System.out.println(dp[arr.length - 1]);
  }
}


Compiler output:
Main.java:2: error: class Frog is public, should be declared in a file named Frog.java
public class Frog {
       ^
1 error
Language: Java

import java.util.*;
public class Frog {
  
  public static void main(String args[]) {
    
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int[] arr = new int[n];
    
    for(int ind = 0; ind < n; ind++) {
      arr[ind] = sc.nextInt();
    }
    if(n == 1)
    {
      System.out.println(0);
      return;
    }
    if(n == 2) {
      System.out.println(Math.abs(arr[1] - arr[0]));
      return;
    }
    int[] dp = new int[n];
    dp[1] = Math.abs(arr[1] - arr[0]);
    for(int ind = 2; ind < n;ind++) {
      int cost1 = Math.abs(arr[ind] - arr[ind - 1]) + dp[ind - 1];
      int cost2 = Math.abs(arr[ind] - arr[ind - 2]) + dp[ind - 2];
      if(cost1 < cost2)
        dp[ind] = cost1;
      else
        dp[ind] = cost2;
    }
  }
}


Compiler output:
Main.java:2: error: class Frog is public, should be declared in a file named Frog.java
public class Frog {
       ^
1 error
Language: Java

import java.util.*;
public class Frog {
  
  public static void main(String args[]) {
    
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int[] arr = new int[n];
    
    for(int ind = 0; ind < n; ind++) {
      arr[ind] = sc.nextInt();
    }
    if(n == 1)
    {
      System.out.println(0);
      return;
    }
    if(n == 2) {
      System.out.println(Math.abs(arr[1] - arr[0]));
      return;
    }
    int[] dp = new int[n];
    dp[1] = Math.abs(arr[1] - arr[0]);
    for(int ind = 2; ind < n;ind++) {
      int cost1 = Math.abs(arr[ind] - arr[ind - 1]) + dp[ind - 1];
      int cost2 = Math.abs(arr[ind] - arr[ind - 2]) + dp[ind - 2];
      if(cost1 < cost2)
        dp[ind] = cost1;
      else
        dp[ind] = cost2;
    }
  }
}

Compiler output:
Main.java:2: error: class Frog is public, should be declared in a file named Frog.java
public class Frog {
       ^
1 error
Language: Java

import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int size = scanner.nextInt();
        int k = scanner.nextInt();
        int arr[] = new int[size];
        for (int i = 0; i < size; i++) {
            arr[i] = scanner.nextInt();
        }
        System.out.println( frog(arr, k));

        scanner.close();

    }

    

    public static int frog1(int arr[]) {
        int sol[] = new int[arr.length];
        sol[arr.length - 1] = 0;
        for (int j = arr.length - 2; j >= 0; j--) {
            int cost1 = Integer.MAX_VALUE, cost2 = Integer.MAX_VALUE;
            if (j + 1 < arr.length) {
                cost1 = Math.abs(arr[j + 1] - arr[j]) + sol[j + 1];
            }
            if (j + 2 < arr.length) {
                cost2 = Math.abs(arr[j + 2] - arr[j]) + sol[j + 2];
            }
            sol[j] = Math.min(cost1, cost2);

        }
        return sol[0];
    }


    
}

Compiler output:
Main.java:12: error: cannot find symbol
        System.out.println( frog(arr, k));
                            ^
  symbol:   method frog(int[],int)
  location: class Main
1 error
Language: C++

#include <iostream>
#include<bits/stdc++.h>
using namespace std;
 
const int INF = le9 + 5;
 
int main()
{
    int n, val;
    cin>>n;
    vector<int> h(n);
    for(int i=0;i<n;i++){
        cin>>val;
        h.push_back(val);
    }
    
    vector<int>  dp(n, INF);
    dp[0]=0;
    for(int i=0;i<n;i++){
        for(int j : {i+1, i+2}){
            if(j<n){
                dp[j]= min(dp[j], dp[i]+ abs(h[i]-h[j]));
            }
        }
    }
    
    cout<<dp[n-1];
    return 0;
}

Compiler output:
a.cc:5:17: error: 'le9' was not declared in this scope
    5 | const int INF = le9 + 5;
      |                 ^~~
Language: C++


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

const INF = le9 + 5;

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


Compiler output:
a.cc:6:7: error: 'INF' does not name a type
    6 | const INF = le9 + 5;
      |       ^~~
a.cc: In function 'int main()':
a.cc:15:9: error: 'v' was not declared in this scope
   15 |         v.push_back(val);
      |         ^
a.cc:18:24: error: 'INF' was not declared in this scope
   18 |     vector<int>  dp(n, INF);
      |                        ^~~
Language: C++


#include <iostream>

using namespace std;

const INF = le9 + 5;

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


Compiler output:
a.cc:6:7: error: 'INF' does not name a type
    6 | const INF = le9 + 5;
      |       ^~~
a.cc: In function 'int main()':
a.cc:12:5: error: 'vector' was not declared in this scope
   12 |     vector<int> h(n);
      |     ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include <iostream>
  +++ |+#include <vector>
    3 | 
a.cc:12:12: error: expected primary-expression before 'int'
   12 |     vector<int> h(n);
      |            ^~~
a.cc:15:9: error: 'v' was not declared in this scope
   15 |         v.push_back(val);
      |         ^
a.cc:18:12: error: expected primary-expression before 'int'
   18 |     vector<int>  dp(n, INF);
      |            ^~~
a.cc:19:5: error: 'dp' was not declared in this scope
   19 |     dp[0]=0;
      |     ^~
a.cc:23:46: error: 'h' was not declared in this scope
   23 |                 dp[j]= min(dp[j], dp[i]+ abs(h[i]-h[j]));
      |                                              ^