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

///   ***   ---   |||         In the name of ALLAH        |||   ---   ***   ///



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


typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef pair<int,int> pii;
typedef pair<double, double> pdd;
typedef pair<ll, ll> pll;
typedef vector<pii> vii;
typedef vector<pll> vll;
typedef double dl;

#define endl '\n'
#define PB push_back
#define F first
#define S second
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define sz(x) (int)x.size()

const double PI = acos(-1);
const double eps = 1e-9;
const int inf = 2000000000;
const ll infLL = 9000000000000000000;
#define MOD 1000000007

#define mem(a,b) memset(a, b, sizeof(a) )
#define sqr(a) ((a) * (a))

#define optimize() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define fraction() cout.unsetf(ios::floatfield); cout.precision(10); cout.setf(ios::fixed,ios::floatfield);
#define file() freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);

#define dbg(args...) do {cerr << #args << " : "; faltu(args); } while(0)
void faltu () {            cerr << endl;}
template < typename T, typename ... hello>void faltu( T arg, const hello &... rest) {cerr << arg << ' ';faltu(rest...);}


const int mx =2e5+123;

int main()
{
    optimize();


    int n, ans = 1;
    cin >> n;
    for ( int i = 1; i <= n; i++ ) cin >> a[i];

    for ( int i = 1; i <= n; i++ ) {
        if ( a[i] == ans ) ans++;
    }

    if ( ans == 1 ) cout << -1 << endl;;
    else cout << ans - 1 << endl;

    return 0;
}


















Compiler output:
a.cc: In function 'int main()':
a.cc:56:43: error: 'a' was not declared in this scope
   56 |     for ( int i = 1; i <= n; i++ ) cin >> a[i];
      |                                           ^
a.cc:59:14: error: 'a' was not declared in this scope
   59 |         if ( a[i] == ans ) ans++;
      |              ^
a.cc:63:5: error: 'else' without a previous 'if'
   63 |     else cout << ans - 1 << endl;
      |     ^~~~
Language: C++

#include <iostream>
#include <vector>
using namespace std;
int n , vis[1000];
#define ll long long 
vector <int> g[1000];

ll a[200010];
int main() {
	ll n;
	cin>>n;
	ll cnt=0;
	ll now=1;
	for(ll i=0;i<n;i++){
		cin>>a[i];
		if(a[i]!=now){
			cnt++;
		}
		else{
			now++;
		}
	}
	if(n==cnt){
		cout << -1;
		return 0;
	}
	cout << cnt;
	// your code goes here
	return 0;
}
int maa() {
	scanf("%d" , &n );
	for(int a  , i=1 ; i<=n ;i++ ){
		scanf("%d" , &a );
		g[i].push_back(a);
	}
	for(int i=1 ; i<=n ;i++ ){
		dfs(i) ; 
	}
	return 0;
}

Compiler output:
a.cc: In function 'int maa()':
a.cc:38:17: error: 'dfs' was not declared in this scope
   38 |                 dfs(i) ;
      |                 ^~~
Language: C++

import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);

		int N = scanner.nextInt();

		int[] a = new int[N];

		for(int i = 0; i<N; i++) {
			a[i] = scanner.nextInt();
		}

		int count = 0;
		int current = 1;

		for(int i =0; i<N; i++) {
			if(a[i] == current) {
				current++;
			} else {
				count++;
			}
		}

		if(count == N) {
			System.out.println(-1);
		} else {
			System.out.println(count);	
		}

	}

}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<n;i++)
      |       ^
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<n;i++)
      |       ^
Language: C++

// Let's bring the sky down :)
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 3e5 + 5;
ll a[N];
int main()
{
    ios_base ::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    int n;
    cin >> n;
    int cnt = 1;
    int ans = 0;
    for(int i = 1; i <= n; i++){
        cin >> x;
        if(x == cnt){
            cnt++;
        }
        else{
            ans++;
        }
    }
    cout << (ans == n ? -1 : ans);
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: 'x' was not declared in this scope
   15 |         cin >> x;
      |                ^
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<bits/stdc++.h>
#include<cmath>
#include<bitset>
#include<queue>
#define ll long long
#define itn int
#define co(ans) cout<<ans<<endl;
#define COYE cout<<"YES"<<endl;
#define COYe cout<<"Yes"<<endl;
#define COye cout<<"yes"<<endl;
#define CONO cout<<"NO"<<endl;
#define CONo cout<<"No"<<endl;
#define COno cout<<"no"<<endl;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define FFOR(i,a,b) for(int i=(a);i<=(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define RREP(i,n)  FFOR(i,1,n)
#define SORT(V) sort((V).begin(),(V).end())
#define REVERSE(V) reverse((V).begin(),(V).end())
#define INF ((1LL<<62)-(1LL<<31))
#define MOD 1000000007
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
using namespace std;


int main(){
  ll N;
  cin>>N;
  
  ll A[N];
  REP(i,N) cin>>A[i];
  
  ll t==1;
  for(int i=0; i<N; ++i){
    if(A[i]==t){
      t++;
    }
  }
  
  if(t<2){
    cout<<-1<<endl;
    return 0;
  }
  
  cout<<N-t+1<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:7: error: expected initializer before '==' token
   38 |   ll t==1;
      |       ^~
a.cc:40:14: error: 't' was not declared in this scope
   40 |     if(A[i]==t){
      |              ^
a.cc:45:6: error: 't' was not declared in this scope
   45 |   if(t<2){
      |      ^
a.cc:50:11: error: 't' was not declared in this scope
   50 |   cout<<N-t+1<<endl;
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int ans=1;
  int N;
  cin>>N;
  for(int i=0;i<N;i++)
  {
    int X;
    cin>>X;
    if(X==ans)
      ans++;
  }
  ans--;
  if(ans==0)
    puts("-1");
  else	cout<<N-X<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:17: error: 'X' was not declared in this scope
   18 |   else  cout<<N-X<<endl;
      |                 ^
Language: C++

#include<stdio.h>
using namespace std;
#define sz(x) (int)x.size()
#define pb push_back
#define mp make_pair
#define ll long long 
#define mod 1000000007 
#define mod2 998244353
void fast(){
  ios_base::sync_with_stdio(false);cin.tie(NULL);
}
long long binpow(long long a, long long b) {
    long long res = 1;
    while (b > 0) {
        if (b & 1)
            res = res * a;
        a = a * a;
        b >>= 1;
    }
    return res;
}

int main() {
   fast();
   long long n;
   cin>>n;
   long long sum=0;
   long long t=5;
   
   long long k=10;
   long long j=1;
   if(n%2==1){
    cout<<0<<"\n";
    return 0;
   }else{
      while(t<=n){
        sum+=n/(2*t);
        t*=5;
        j++;
      }
      cout<<sum<<"\n";
      return 0;
   }

   

}


Compiler output:
a.cc: In function 'void fast()':
a.cc:10:3: error: 'ios_base' has not been declared
   10 |   ios_base::sync_with_stdio(false);cin.tie(NULL);
      |   ^~~~~~~~
a.cc:10:36: error: 'cin' was not declared in this scope
   10 |   ios_base::sync_with_stdio(false);cin.tie(NULL);
      |                                    ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<stdio.h>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc: In function 'int main()':
a.cc:26:4: error: 'cin' was not declared in this scope
   26 |    cin>>n;
      |    ^~~
a.cc:26:4: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:33:5: error: 'cout' was not declared in this scope
   33 |     cout<<0<<"\n";
      |     ^~~~
a.cc:33:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:41:7: error: 'cout' was not declared in this scope
   41 |       cout<<sum<<"\n";
      |       ^~~~
a.cc:41:7: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(void){
  long long n; cin>>n;
  if(n&1) cout<<0;
  else{
    long long res=0,five=5,i;
    while(i=n/five/2) res+=i,five*=5;
  }
  cout<<res;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'res' was not declared in this scope
   10 |   cout<<res;
      |         ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  long long N;cin>>N;
  if(N%2==1){puts("0");return 0;}
  long long ans=0;
  for(int i=1;i<26;i++)ans+=N/long long(pow(5,i));
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:31: error: expected primary-expression before 'long'
    7 |   for(int i=1;i<26;i++)ans+=N/long long(pow(5,i));
      |                               ^~~~
Language: C++

N = int(input())

if N % 2 == 1:
    ans = 0
else:
    div2 = N // 2
    n = N // 2
    k = 1
    while n // 2**k > 0:
        div2 += n // 2**k
        k += 1

    div5 = 0
    n = N // 2
    k = 1
    while n // 5**k > 0:
        div5 += n // 5**k
        k += 1
    
    ans = min(div2, div5)

print(ans)

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


import java.io.*;
import java.util.*;
public class A {
	static BufferedReader br;
	static int cin() throws Exception
	{
		return Integer.valueOf(br.readLine());
	}
	static int[] split() throws Exception
	{
		String[] cmd=br.readLine().split(" ");
		int[] ans=new int[cmd.length];
		for(int i=0;i<cmd.length;i++)
		{
			ans[i]=Integer.valueOf(cmd[i]);
		}
		return ans;
	}
	static long[] splitL() throws IOException
	{
		String[] cmd=br.readLine().split(" ");
		long[] ans=new long[cmd.length];
		for(int i=0;i<cmd.length;i++)
		{
			ans[i]=Long.valueOf(cmd[i]);
		}
		return ans;
	}
	static long mod=1000000007;
	public static void main(String[] args) throws Exception{
		// TODO Auto-generated method stub
		br=new BufferedReader(new InputStreamReader(System.in));
		long n=Long.valueOf(br.readLine());
		if(n%2!=0)
			System.out.println(0);
		else
		{
			long x=n/2;
			long twos=x;
			long fives=0;
			long st=2;
			while(true)
			{
				long h=x/st;
				if(h==0)
					break;
				twos+=h;
				st=st*2;
			}
			st=5;
			while(true)
			{
				long h=x/st;
				if(h==0)
					break;
				fives+=h;
				st=st*5;
			}
			System.out.println(Math.min(twos, fives));
		}
	}
}


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

import java.util.Scanner;

public class abc148_e {
    static long f(long n){
        if(n<2){
            return 1;
        }else{
            return n*f(n-2);
        }
    }

    static long trailingZeros(long a){
        if (a == 0) {
            return 0;
        }
        int count = 0;
        while (a % 10 == 0) {
            count++;
            a /= 10;
        }
        return count;
    }
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long N = sc.nextLong();
        long num =f(N);
        System.out.println(trailingZeros(num));

    }
}


Compiler output:
Main.java:3: error: class abc148_e is public, should be declared in a file named abc148_e.java
public class abc148_e {
       ^
1 error
Language: Java

import java.util.*;

class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long N = sc.nextInt();
    long R = 0;
    if(N%2==0){
      long subN = N/2;
      boolean excape = false;
      for(int i = 1;escape;i++){
        if(subN/5!=0){
          R+=subN/5;
          subN=subN/5;
        }else{
          escape = true;
        }
      }
    }
    
  }
}

Compiler output:
Main.java:11: error: cannot find symbol
      for(int i = 1;escape;i++){
                    ^
  symbol:   variable escape
  location: class Main
Main.java:16: error: cannot find symbol
          escape = true;
          ^
  symbol:   variable escape
  location: class Main
2 errors
Language: C++

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

int main(){
    
    long long n;
    cin >> n;
    
    if(n&1){
        cout << 0 << endl;
        return 0;
    }
    
    long long res = 0;
    long long deno = 10;
    while(deno <= n){
        res += n/(deno);
        deno *= 5;
        //idx += 1;
    }
    
    cout << res << endl;
    
    
    return 0;
    

Compiler output:
a.cc: In function 'int main()':
a.cc:25:14: error: expected '}' at end of input
   25 |     return 0;
      |              ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
ll N, Ans = 0;cin >> N;

ll a = 1;

while(N/(10*powl(5, a - 1)) > 0){
Ans += N/(10*powl(5, a - 1));
a++;
}

if(N%2 == 0)cout << Ans;

elsecout << 0;

}

}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:1: error: 'elsecout' was not declared in this scope
   20 | elsecout << 0;
      | ^~~~~~~~
a.cc: At global scope:
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: C++

weawwaaaaaaaaaaaaaaaawwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww

Compiler output:
a.cc:1:1: error: 'weawwaaaaaaaaaaaaaaaawwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww' does not name a type
    1 | weawwaaaaaaaaaaaaaaaawwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
#define rep(i,N) for(int i=0; i<N; i++){    ;
int main() {
ll N;
cin>>N;
ll h=N;
int count=0;
long long answer=0;
for(int i=0; i<20; i++){
if(h>9){
h=h/10;
count++;
}
if(count!=0){
for(int i=1; i<count+1; i++){
answer+=N/pow(10,i);
}
}
cout<<answer<<endl;
 }


Compiler output:
a.cc: In function 'int main()':
a.cc:22:3: error: expected '}' at end of input
   22 |  }
      |   ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,o,n) for(long long i = o;i<n;i++)
#define oneforall ios::sync_with_stdio(false);cin.tie(0);
#define all(v) (v).begin(),(v).end()
#define ini(...) int __VA_ARGS__; in(__VA_ARGS__)
#define inl(...) long long __VA_ARGS__; in(__VA_ARGS__)
#define ins(...) string __VA_ARGS__; in(__VA_ARGS__)
#define int long long 
const long long INF=1e18;
void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);}
void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,const U &...u){ cout << t; if(sizeof...(u)) cout << " "; out(u...);}
typedef vector<int> vi;
typedef vector<long long> vl;
typedef long long ll;
typedef vector<pair<long, long > > vpll;
typedef vector<pair<int, int > > vpii;



int morty[20];


int32_t main() {
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	

	
	ins(x);
  if(tmppp%2){out(0);return 1;}
	morty[2] = 1;
	FOR(i,3,20){
		morty[i] = morty[i-1]*9+i-1;
	}
	int tmp1 = 0;
	while(1){
		int tmpp = stol(x);
		 int ten  = x.size();
		 if(ten == 1)break;
		 tmp1+=morty[ten];

		 tmpp-=pow(10,ten-1);
		 x = to_string(tmpp);
	}
	out(tmp1);







	return 0;
}


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:43:6: error: 'tmppp' was not declared in this scope
   43 |   if(tmppp%2){out(0);return 1;}
      |      ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,o,n) for(long long i = o;i<n;i++)
#define oneforall ios::sync_with_stdio(false);cin.tie(0);
#define all(v) (v).begin(),(v).end()
#define ini(...) int __VA_ARGS__; in(__VA_ARGS__)
#define inl(...) long long __VA_ARGS__; in(__VA_ARGS__)
#define ins(...) string __VA_ARGS__; in(__VA_ARGS__)
#define int long long 
const long long INF=1e18;
void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);}
void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,const U &...u){ cout << t; if(sizeof...(u)) cout << " "; out(u...);}
typedef vector<int> vi;
typedef vector<long long> vl;
typedef long long ll;
typedef vector<pair<long, long > > vpll;
typedef vector<pair<int, int > > vpii;



int morty[20];


int32_t main() {
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	

	
	ins(x);
  if(tmppp%2){out(0);return;}
	morty[2] = 1;
	FOR(i,3,20){
		morty[i] = morty[i-1]*9+i-1;
	}
	int tmp1 = 0;
	while(1){
		int tmpp = stol(x);
		 int ten  = x.size();
		 if(ten == 1)break;
		 tmp1+=morty[ten];

		 tmpp-=pow(10,ten-1);
		 x = to_string(tmpp);
	}
	out(tmp1);







	return 0;
}


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:43:6: error: 'tmppp' was not declared in this scope
   43 |   if(tmppp%2){out(0);return;}
      |      ^~~~~
a.cc:43:22: error: return-statement with no value, in function returning 'int32_t' {aka 'int'} [-fpermissive]
   43 |   if(tmppp%2){out(0);return;}
      |                      ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,o,n) for(long long i = o;i<n;i++)
#define oneforall ios::sync_with_stdio(false);cin.tie(0);
#define all(v) (v).begin(),(v).end()
#define ini(...) int __VA_ARGS__; in(__VA_ARGS__)
#define inl(...) long long __VA_ARGS__; in(__VA_ARGS__)
#define ins(...) string __VA_ARGS__; in(__VA_ARGS__)
#define int long long 
const long long INF=1e18;
void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);}
void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,const U &...u){ cout << t; if(sizeof...(u)) cout << " "; out(u...);}
typedef vector<int> vi;
typedef vector<long long> vl;
typedef long long ll;
typedef vector<pair<long, long > > vpll;
typedef vector<pair<int, int > > vpii;



int morty[20];


int32_t main() {
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	oneforall
	

	
	ins(x);
  int tmppp = stol(x);
  if(tmppp%2){out(0);return;}
	morty[2] = 1;
	FOR(i,3,20){
		morty[i] = morty[i-1]*9+i-1;
	}
	int tmp = morty.size();
	int tmp1 = 0;
	while(1){
		int tmpp = stoi(x);
		 int ten  = x.size();
		 if(ten == 1)break;
		 tmp1+=morty[i];

		 tmpp-=1e(ten-1);
		 x = to_string(tmpp);
	}
  if(
	out(tmp1);







	return 0;
}


Compiler output:
a.cc:57:24: error: exponent has no digits
   57 |                  tmpp-=1e(ten-1);
      |                        ^~
a.cc: In function 'int32_t main()':
a.cc:44:22: error: return-statement with no value, in function returning 'int32_t' {aka 'int'} [-fpermissive]
   44 |   if(tmppp%2){out(0);return;}
      |                      ^~~~~~
a.cc:49:25: error: request for member 'size' in 'morty', which is of non-class type 'long long int [20]'
   49 |         int tmp = morty.size();
      |                         ^~~~
a.cc:55:30: error: 'i' was not declared in this scope
   55 |                  tmp1+=morty[i];
      |                              ^
a.cc:69:9: error: expected primary-expression before 'return'
   69 |         return 0;
      |         ^~~~~~
a.cc:61:19: error: expected ')' before 'return'
   61 |         out(tmp1);
      |                   ^
      |                   )
......
   69 |         return 0;
      |         ~~~~~~     
a.cc:60:5: note: to match this '('
   60 |   if(
      |     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i <= (int)(n); i++)
typedef int64_t Int;

Int power(Int n, Int m) {
  rep(i,m) {
    Int ans = 1;
    ans *= n;
  }
  return ans;
}

int main(){ 
  Int N, ans;
  cin >> N;
  
  if (N % 2 == 1) ans == 0;
  else {
    for(int n = 1; power(10, n) <= N; n++) {
      ans += (N / (power(10,n)));
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'Int power(Int, Int)':
a.cc:12:10: error: 'ans' was not declared in this scope; did you mean 'abs'?
   12 |   return ans;
      |          ^~~
      |          abs
Language: C++

#include<stdio.h>
#define ll (long long int)
int main(void){
  ll n,ans;
  scanf("%lld",&n);
  for(ll i=10;i<=n;i*=5){
    ans+=(n/i);
  }
  if(n%2==0){
    printf("0\n");
  }else{
    printf("%lld\n",ans);
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:6: error: 'n' was not declared in this scope
    4 |   ll n,ans;
      |      ^
a.cc:4:8: error: 'ans' was not declared in this scope
    4 |   ll n,ans;
      |        ^~~
a.cc:6:10: error: 'i' was not declared in this scope
    6 |   for(ll i=10;i<=n;i*=5){
      |          ^
Language: C++

 #include <bits/stdc++.h>
#include <cstdlib>
#include <cmath>
#define rep(i,n) for (long long i=0; i < (n); ++i)
#define rep2(i,n,m) for(long long i=n;i<=m;i++)
using namespace std;
using ll = long long;
using P = pair<int,int>;
const ll INF=1e18 ;
inline void chmax(ll& a,ll b){a=max(a,b);}
inline void chmin(ll& a,ll b){a=min(a,b);}
int main() {
  ll n;
  cin>>n ;
  if(n%2==1)
  cout<<0<<endl ;
  else{
  ll ans=0 ;
  int w=10 :
  for(int i=1;i<=40;++i){
    ans+= n/w ;
    w *=5 ;
  }
  cout<< ans<< endl;
   } return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:12: error: expected ',' or ';' before ':' token
   19 |   int w=10 :
      |            ^
a.cc:20:15: error: 'i' was not declared in this scope
   20 |   for(int i=1;i<=40;++i){
      |               ^
Language: C++

 #include <bits/stdc++.h>
#include <cstdlib>
#include <cmath>
#define rep(i,n) for (long long i=0; i < (n); ++i)
#define rep2(i,n,m) for(long long i=n;i<=m;i++)
using namespace std;
using ll = long long;
using P = pair<int,int>;
const ll INF=1e18 ;
inline void chmax(ll& a,ll b){a=max(a,b);}
inline void chmin(ll& a,ll b){a=min(a,b);}
int main() {
  int n;
  cin>>n ;
  if(n%2==1)
  cout<<0<<endl ;
  else{
  int ans=0 ;
  int w=10 :
  for(int i=1;i<=40;++i){
    ans+= n/w ;
    w *=5 ;
  }
  cout<< ans<< endl;
   } return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:12: error: expected ',' or ';' before ':' token
   19 |   int w=10 :
      |            ^
a.cc:20:15: error: 'i' was not declared in this scope
   20 |   for(int i=1;i<=40;++i){
      |               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
int64_t N;
  cin>>N;
  if(N%2==1)
    cout<<0<<endl;
  else{
  N/=2;
    int64_t ans=0;
    for(int i=0; ;i++){
    N/=5;
      if(N==0)
        break;
      else
        ans+=N;
    
    }cout<<ans<<endl;
  
  }
   retrun 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:4: error: 'retrun' was not declared in this scope
   21 |    retrun 0;
      |    ^~~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
  long long n;
  cin >> n;
  if(n%2==1)coout << "0"<< endl;
  else{
    long long i=10;
    ll sum = 0;
    while(n/i>0){
      sum += n/i;
      i = i*5;
    }
    cout << sum << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: 'coout' was not declared in this scope
    6 |   if(n%2==1)coout << "0"<< endl;
      |             ^~~~~
a.cc:9:5: error: 'll' was not declared in this scope
    9 |     ll sum = 0;
      |     ^~
a.cc:11:7: error: 'sum' was not declared in this scope
   11 |       sum += n/i;
      |       ^~~
a.cc:14:13: error: 'sum' was not declared in this scope
   14 |     cout << sum << endl;
      |             ^~~
Language: Java

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

ll g(ll n, ll p)
{
	if (n == 1 || n == 0)
		return 0;
	return n / p + g(n / p, p); 
}	

ll g2(ll n, ll p)
{
	ll res = g(n / 2, p);
	if (p == 2)
		res += n / 2;
	return res;
}

signed main()
{
  ll n, ans;

  cin >> n;
  if (n % 2 == 0)
	  ans = min(g2(n, 2), g2(n, 5));
  else
	  ans = 0;
  cout << ans << endl;
}


Compiler output:
Main.java:1: error: illegal character: '#'
#include<bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include<bits/stdc++.h>
        ^
Main.java:2: error: illegal character: '#'
#define rep(i, n) for(int i = 0; i < (n); i++)
^
Main.java:2: error: class, interface, enum, or record expected
#define rep(i, n) for(int i = 0; i < (n); i++)
                                 ^
Main.java:2: error: class, interface, enum, or record expected
#define rep(i, n) for(int i = 0; i < (n); i++)
                                          ^
Main.java:4: error: class, interface, enum, or record expected
typedef long long ll;
^
Main.java:6: error: unnamed classes are a preview feature and are disabled by default.
ll g(ll n, ll p)
^
  (use --enable-preview to enable unnamed classes)
Main.java:25: error: not a statement
  cin >> n;
      ^
Main.java:30: error: not a statement
  cout << ans << endl;
              ^
9 errors
Language: C++

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

#define rep(i, n) for(int i=0;i<(int)n;i++)
int INF=1e9;

int main() {
  int64_t N, s=0;
  cin >> N;
  if(N%2==0) {
    N/=2;
    while(N>0) {
      s+=N/5;
      N/=5;
    }
  cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:2: error: expected '}' at end of input
   17 | }
      |  ^
a.cc:7:12: note: to match this '{'
    7 | int main() {
      |            ^
Language: C++

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

#define ll long long
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define endl "\n"
#define pb push_back
#define all(a) (a).begin(),(a).end()
#define rev(a) (a).rbegin(),(a).rend()
#define pll pair<ll,ll>
#define rep(i,a,b) for(long long i = (a); i <= (b); i++)

const int mod = 1e9+7;
const int N = 1e5+5; 

int main(){
	fast;
	ll n; cin >> n;
	ll ans = 0;
	
	if(n & 1){
	    cout << "0\n";
	    exit(0);
	}
	
	ll d = 10;
	while(n >= d){
	    ans += n / d;

Compiler output:
a.cc: In function 'int main()':
a.cc:28:26: error: expected '}' at end of input
   28 |             ans += n / d;
      |                          ^
a.cc:27:22: note: to match this '{'
   27 |         while(n >= d){
      |                      ^
a.cc:28:26: error: expected '}' at end of input
   28 |             ans += n / d;
      |                          ^
a.cc:16:11: note: to match this '{'
   16 | int main(){
      |           ^
Language: C++

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

	cin >> n;
	long long ans=0;
	if(!(n%2)){
		long long double t=10;
		while(n>=t){
//			cout << "t="<<t<<endl;
			ans+=floor(n/t);
			t*=5;
		}
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:14: error: 'long long' specified with 'double'
    5 |         long long double n;
      |              ^~~~
a.cc:9:15: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    9 |         if(!(n%2)){
      |              ~^~
      |              | |
      |              | int
      |              double
a.cc:10:22: error: 'long long' specified with 'double'
   10 |                 long long double t=10;
      |                      ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
//繰り返し二乗法
ll ex(ll x,ll n){
    if(n==0)return 1;
    else if(n%2==1)return ex(x,n-1)*x;
    else return ex(x*x,n/2);
};
int main(){
    ll n;
    cin >> n;
    
    bool flag=false;
    if(n%2==1)cout << 0 << endl;
    else{
        n/=2;
        ll sum=0;
        for(int i=1; i<1000; i++){
            sum+=n/ex(5,i);
            if(n/ex(5,i)==0)break;
        }
        cout << sum << endl;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:24:6: error: expected '}' at end of input
   24 |     }
      |      ^
a.cc:10:11: note: to match this '{'
   10 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  long long N,A,T;
  cin >> N;
  T=0;
  if (N%2==1) {cout << 0 << endl;}
  else {
    long long A=5;
    while (N>=A) {
      T+=N/A;
      A*=5;
    }
  cout << T << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;

int ketahantei(long long int a, long long int b, int c){
  if(a % b == 0){
    ketahantei(a, b*10, c+1);
  }else{
    return c;
  }
}

int main(){
  long long int n;
  cin >> n;
  if(n < 2){
    cout << 0 << '\n';
    return 0;
  }
  if(n % 2 == 1){
    cout << 0 << '\n';
    return 0;
  }
  for(int i=0; i!=10; i++){
    if((n-i) % 10 == 0){
      n = n - i;
      break;
    }
  }
  long long int count = 0;
  while(n > 1){
    count += ketahantei(n, 10, 1);
    n = n - 10
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:15: error: expected ';' before '}' token
   32 |     n = n - 10
      |               ^
      |               ;
   33 |   }
      |   ~            
a.cc: In function 'int ketahantei(long long int, long long int, int)':
a.cc:10:1: warning: control reaches end of non-void function [-Wreturn-type]
   10 | }
      | ^
Language: Java

import java.util.*; 
  
class GFG  
{ 
      
    // Function to return the count of  
    // trailing 0s in the given function  
    static int findTrailingZeros(int n)  
    {  
        // If n is odd  
        if ((n & 1) == 1)  
            return 0;  
      
        // If n is even  
        else 
        {  
            int ans = 0;  
      
            // Find the trailing zeros  
            // in n/2 factorial  
            n /= 2;  
            while (n != 0) 
            {  
                ans += n / 5;  
                n /= 5;  
            }  
      
            // Return the required answer  
            return ans;  
        }  
    }  
      
    // Driver code  
    public static void main (String[] args) 
    {  
        int n;  
      
        System.out.println(findTrailingZeros(n));  
    }  
} 
  

Compiler output:
Main.java:38: error: variable n might not have been initialized
        System.out.println(findTrailingZeros(n));  
                                             ^
1 error
Language: Java

import java.util.*;
import java.util.Scanner; 
  
class GFG  
{ 
      
    // Function to return the count of  
    // trailing 0s in the given function  
    static int findTrailingZeros(int n)  
    {  
        // If n is odd  
        if ((n & 1) == 1)  
            return 0;  
      
        // If n is even  
        else 
        {  
            int ans = 0;  
      
            // Find the trailing zeros  
            // in n/2 factorial  
            n /= 2;  
            while (n != 0) 
            {  
                ans += n / 5;  
                n /= 5;  
            }  
      
            // Return the required answer  
            return ans;  
        }  
    }  
      
    // Driver code  
    public static void main (String[] args) 
    {  
        int n;

     Scanner n= new Scanner(System.in);
          
      
        System.out.println(findTrailingZeros(n));  
    }  
} 
  

Compiler output:
Main.java:39: error: variable n is already defined in method main(String[])
     Scanner n= new Scanner(System.in);
             ^
Main.java:42: error: incompatible types: Scanner cannot be converted to int
        System.out.println(findTrailingZeros(n));  
                                             ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
2 errors
Language: C++

int fact(int n)
{ 
if(n<2)
return(1);
return(n*fact(n-2));
}

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

int fact(int n)
{ 
if(n<2)
return(1);
return(n*fact(n-2);
}

Compiler output:
a.cc: In function 'int fact(int)':
a.cc:5:19: error: expected ')' before ';' token
    5 | return(n*fact(n-2);
      |       ~           ^
      |                   )
Language: C++

#include<iostream.h>
int main{
int n,y;
cin>>n;
for(i=1;i<n;i++)
{
y=n*(n-2);
}
if(n%2==0)
{
cout<<"1\n ";
cout<<y;
}
else
{
cout<<"0\n"
cout<<y;
}
return 0;
}



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

package asd;

import java.util.Scanner;

public class asd {

	public static void main(String[] args)
	{
		Scanner s=new Scanner(System.in);
		int n=s.nextInt(),count=0;
		while(n>0)
		{
		n=n%10;
		n=n/10;
		count++;
		}
		if(count!=0)
		{
		int p=count;
		System.out.print(p);
		}
		}

	}




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

package Exception;

import java.util.Scanner;

public class asd {

	public static void main(String[] args)
	{
		Scanner s=new Scanner(System.in);
		int n=s.nextInt();
                int count=0;
		while(n>0)
		{
		n=n%10;
		n=n/10;
		count++;
		}
		if(count!=0)
		{
		int p=count;
		System.out.print(p);
		}
		}

	}




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

package Exception;

import java.util.Scanner;

public class asd {

	public static void main(String[] args)
	{
		Scanner s=new Scanner(System.in);
		int n=s.nextInt(),count=0;
		while(n>0)
		{
		n=n%10;
		n=n/10;
		count++;
		}
		if(count!=0)
		{
		int p=count;
		System.out.print(p);
		}
		}

	}




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

import java.util.*;
public class A
{

public static void main(String args[])
{
Scanner s=new Scanner(System.in);
int n=s.nextInt(),count=0;
while(n>0)
{
n=n%10;
n=n/10;
count++;
}
if(count!=0)
{
int p=count-1;
System.out.print(p);
}
}
}

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

import java.math.BigInteger;
import java.util.*;
public class doublefact {

	public static void main(String[] args) {
		
		// TODO Auto-generated method stub
		Scanner sc=new Scanner(System.in);
		int num=sc.nextInt();
		System.out.println(factorial(num));
		

	}

	public static int factorial(int number) 
	{ 
	   BigInteger factorial = BigInteger.ONE; 
	   for (int i = number; i > 0; i=i-2) 
	   { 
		   factorial = factorial.multiply(BigInteger.valueOf(i));
	   }
	   int count=0;
	   String s=String.valueOf(factorial);
	   for(int i=s.length()-1;i>0;i--)
	   {
		   if(s.charAt(i)=='0')
			   count++;
		   else
			   break;
		     
	   }
	   return count;
	   
	 }

	

}


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

import java.util.*;
public class A
{

public static void main(String args[])
{
Scanner s=new Scanner(System.in);
int n=s.nextInt(),count=0;
while(n>0)
{
n=n%10;
count++;
}
if(count!=0)
{
int p=count-1;
system.out.print(p);
}
}
}

Compiler output:
Main.java:2: error: class A is public, should be declared in a file named A.java
public class A
       ^
Main.java:17: error: package system does not exist
system.out.print(p);
      ^
2 errors
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i < (ab);++i)
using namespace std;
using ll = long long; 
using P = pair<int,int>;
 
template <class _T> inline bool chmax (_T& a,_T b){if(a<b){a=b;return true;}return false;}
template <class _T> inline bool chmin (_T& a,_T b){if(a>b){a=b;return true;}return false;}
 
const long long INF = 1LL << 60;
 
 
int main(void){
	ll ab;cin >> ab;
	if(ab%2==1){
		cout << 0 << endl;
		return 0;
	}
	ll ans = 0;
	while(n>0){
		ans += n/10;
		n /= 5;
	}
	cout << ans << endl;
	return 0;
}
 

Compiler output:
a.cc: In function 'int main()':
a.cc:20:15: error: 'n' was not declared in this scope; did you mean 'yn'?
   20 |         while(n>0){
      |               ^
      |               yn
Language: Java

System.out.lang;
import java.util.*;
class A
{

public static void main(String args[])
{
Scanner s=new Scanner(System.in);
int n=s.nextInt(),count=0;
while(n>0)
{
n=n%10;
count++;
}
if(count!=0)
{
int p=count-1;
system.out.print(p);
}
}
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
System.out.lang;
^
Main.java:2: error: class, interface, enum, or record expected
import java.util.*;
^
2 errors
Language: Java

import java.util. Scanner; 
 public class double  
{ 
     public static void main(String[] args){
    static int findTrailingZeros(int n)  
    {  
      Scanner scan=new Scanner( System.in);
      int n=scan.nextInt;
        if ((n & 1) == 1)  
            return 0;  
      
        // If n is even  
        else 
        {  
            int ans = 0;  
             int n;
            // Find the trailing zeros  
            // in n/2 factorial  
            n /= 2;  
            while (n != 0) 
            {  
                ans += n / 5;  
                n /= 5;  
            }  
      
            // Return the required answer  
            return ans;  
        }  
    }  
     
        System.out.println(findTrailingZeros(n));  
    }  

Compiler output:
Main.java:2: error: <identifier> expected
 public class double  
             ^
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
     public static void main(String[] args){
                   ^
  (use --enable-preview to enable unnamed classes)
Main.java:5: error: illegal start of expression
    static int findTrailingZeros(int n)  
    ^
Main.java:9: error: class, interface, enum, or record expected
        if ((n & 1) == 1)  
        ^
Main.java:13: error: class, interface, enum, or record expected
        else 
        ^
Main.java:19: error: class, interface, enum, or record expected
            n /= 2;  
            ^
Main.java:20: error: class, interface, enum, or record expected
            while (n != 0) 
            ^
Main.java:23: error: class, interface, enum, or record expected
                n /= 5;  
                ^
Main.java:24: error: class, interface, enum, or record expected
            }  
            ^
Main.java:28: error: class, interface, enum, or record expected
        }  
        ^
Main.java:32: error: class, interface, enum, or record expected
    }  
    ^
11 errors
Language: Java

System.out.lang;
import java.util.*;
class A
{

public static void main(String args[])
{
Scanner s=new Scanner(System.in);
int s.nextInt(),count=0;
while(n>0)
{
n=n%10;
count++;
}
if(count!=0)
{
int p=count-1;
system.out.print(p);
}
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
System.out.lang;
^
Main.java:2: error: class, interface, enum, or record expected
import java.util.*;
^
Main.java:9: error: ';' expected
int s.nextInt(),count=0;
     ^
Main.java:9: error: ';' expected
int s.nextInt(),count=0;
               ^
Main.java:20: error: reached end of file while parsing
}
 ^
5 errors
Language: Java

System.out.lang;
import java.util.*;
class A
{

public static void main(String .in)
{
Scanner s=new Scanner(System.in);
int s.nextInt(),count=0;
while(n>0)
{
n=n%10;
count++;
}
if(count!=0)
{
int p=count-1;
system.out.print(p);
}
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
System.out.lang;
^
Main.java:2: error: class, interface, enum, or record expected
import java.util.*;
^
Main.java:6: error: <identifier> expected
public static void main(String .in)
                                  ^
Main.java:9: error: ';' expected
int s.nextInt(),count=0;
     ^
Main.java:9: error: ';' expected
int s.nextInt(),count=0;
               ^
Main.java:20: error: reached end of file while parsing
}
 ^
6 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
}
int main() {
long long n;
cin >> n;
long long ans=0;
while(n>0){
    long long tmp=n/5;
    ans+=tmp/2;
    n/=5;
}
cout << ans << endl;
}


Compiler output:
a.cc:4:1: error: expected declaration before '}' token
    4 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
}
int main() {
long long n;
cin >> n;
long long ans=0
while(n>0){
    long long tmp=n/5;
    ans+=tmp/2;
    n/=5;
}
cout << ans << endl;
}


Compiler output:
a.cc:4:1: error: expected declaration before '}' token
    4 | }
      | ^
a.cc: In function 'int main()':
a.cc:9:1: error: expected ',' or ';' before 'while'
    9 | while(n>0){
      | ^~~~~
Language: Java

import java.util.*;
class A
{

public static void main(String args[])
{
Scanner s=new Scanner(System.in);
int n=s.nextInt(),count=0;
while(n>0)
{
n=n%10;
count++;
}
if(count!=0)
{
int p=count-1;
system.out.print(p);
}
}
}

Compiler output:
Main.java:17: error: package system does not exist
system.out.print(p);
      ^
1 error
Language: C++

#include<iostream>
using namespace std;
int findtrailingzero(int n)
{
int count = 0;
for(int i=5; n / i <=1; i *=5)
{
count+= n/i;

}
return count ;

}
int main()
{
int n;
cout<<"count of trailing zeroes in "<<n<< "! is" << findtrailingzeroes(n);
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:53: error: 'findtrailingzeroes' was not declared in this scope; did you mean 'findtrailingzero'?
   17 | cout<<"count of trailing zeroes in "<<n<< "! is" << findtrailingzeroes(n);
      |                                                     ^~~~~~~~~~~~~~~~~~
      |                                                     findtrailingzero
Language: C++

#include<iosytream>
using namespace std;
int findtrailingzero(int n)
{
int count = 0;
for(int i=5; n / i <=1; i *=5)
{
count+= n/i;

}
return count ;

}
int main()
{
int n = ;
cout<<"count of trailing zeroes in "<<n<< "! is" << findtrailingzeroes(n);
return 0;
}


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

import java.io.*; 
  
class double  
{ 
    // Function to return trailing  
    // 0s in factorial of n 
    static int findTrailingZeros(int n) 
    { 
        // Initialize result 
        int count = 0; 
  
        // Keep dividing n by powers  
        // of 5 and update count 
        for (int i = 5; n / i >= 1; i *= 5) 
            count += n / i; 
  
        return count; 
    } 
      
    // Driver Code 
    public static void main (String[] args)  
    { 
        int n = 100; 
        System.out.println("Count of trailing 0s in " +  
                                           n +"! is " +  
                                 findTrailingZeros(n)); 
    } 
} 

Compiler output:
Main.java:3: error: <identifier> expected
class double  
     ^
Main.java:14: error: class, interface, enum, or record expected
        for (int i = 5; n / i >= 1; i *= 5) 
        ^
Main.java:14: error: class, interface, enum, or record expected
        for (int i = 5; n / i >= 1; i *= 5) 
                        ^
Main.java:14: error: class, interface, enum, or record expected
        for (int i = 5; n / i >= 1; i *= 5) 
                                    ^
Main.java:17: error: class, interface, enum, or record expected
        return count; 
        ^
Main.java:18: error: class, interface, enum, or record expected
    } 
    ^
Main.java:21: error: unnamed classes are a preview feature and are disabled by default.
    public static void main (String[] args)  
                  ^
  (use --enable-preview to enable unnamed classes)
Main.java:28: error: class, interface, enum, or record expected
} 
^
8 errors
Language: Java

import java.util.*;
public class ans
{
	public static void main(String[] args) 
	{
		Scanner s=new Scanner(System.in);
		int n=s.nextInt();
		int fn=1;
		if(n<2)
		{
			fn=1;
		}
		if(n>=2)
		{
			for(int i=n;i>=1;i=i-2)
			{
				fn=fn*i;
			}
		}
		int count=0;
		while(fn!=0)
		{
			int d=fn%10;
			if(d==0)
			{
				count++;
			}
			if(d!=0)
			{
				break;
			}
			fn=fn/10;
		}
		System.out.println(count);
			
	}
}


Compiler output:
Main.java:2: error: class ans is public, should be declared in a file named ans.java
public class ans
       ^
1 error
Language: C++

main()
{
int n,count=0;
cin>>n;
while(n>0)
{
n=n%10;
count++;
}
if(count!=0)
{
cout<<count-1;
}
}

Compiler output:
a.cc:1:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    1 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:4:1: error: 'cin' was not declared in this scope
    4 | cin>>n;
      | ^~~
a.cc:12:1: error: 'cout' was not declared in this scope; did you mean 'count'?
   12 | cout<<count-1;
      | ^~~~
      | count
Language: C++

int n,count=0;
cin>>n;
while(n>0)
{
n=n/10;
count++;
}
if(count!=0)
{
int p=count-1;
cout<<p;
}

Compiler output:
a.cc:2:1: error: 'cin' does not name a type
    2 | cin>>n;
      | ^~~
a.cc:3:1: error: expected unqualified-id before 'while'
    3 | while(n>0)
      | ^~~~~
a.cc:8:1: error: expected unqualified-id before 'if'
    8 | if(count!=0)
      | ^~
Language: C++

int n,count=0;
cin>>n;
while(n>0)
{
n=n/10;
count++;
}
if(count!=0)
{
cout<<count-1;
}

Compiler output:
a.cc:2:1: error: 'cin' does not name a type
    2 | cin>>n;
      | ^~~
a.cc:3:1: error: expected unqualified-id before 'while'
    3 | while(n>0)
      | ^~~~~
a.cc:8:1: error: expected unqualified-id before 'if'
    8 | if(count!=0)
      | ^~
Language: C++

using namespace std;

using ull = unsigned long long;

int main(int argc, const char *argv[]) {
  ull n;
  cin >> n;

  if (n % 2 == 1) {
    cout << 0 << '\n';
    return 0;
  }

  n /= 2;
  ull ans = 0;
  while (n != 0) {
    ans += n / 5;
    n /= 5;
  }

  cout << ans << '\n';
  return 0;
}

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:7:3: error: 'cin' was not declared in this scope
    7 |   cin >> n;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout << 0 << '\n';
      |     ^~~~
a.cc:10:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:21:3: error: 'cout' was not declared in this scope
   21 |   cout << ans << '\n';
      |   ^~~~
a.cc:21:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

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

int main(){
    ll N;
    cin >> N;
    if(N%2==1){
        cout << 0 << endl;
    }else{
        ll n = 10;
        ll ans = 0;
        if(N%2 == 0 ){
            while(N >= n){
            ans += N/n;
            n *= 5;
        }
        cout << ans << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:2: error: expected '}' at end of input
   20 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^