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

#include<stdio.h>

int main(void)
{
	int N;
  
  do{
  scanf("%d",&N);
  }while(N < 0 || 100 < N);
  
  if(N%2 == 0){
    printf("%f",(N / 2) / N);
  }
  else{
    printf("%f",(N - (int)(N / 2) / N);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:39: error: expected ')' before ';' token
   15 |     printf("%f",(N - (int)(N / 2) / N);
      |           ~                           ^
      |                                       )
main.c:15:40: error: expected ';' before '}' token
   15 |     printf("%f",(N - (int)(N / 2) / N);
      |                                        ^
      |                                        ;
   16 |   }
      |   ~
Language: C

#include<stdio.h>

int main(void)
{
  double N;
  
  scanf("%d",&N);
  if(N%2 == 0){
    printf("%f",(N - N /2) / N);
  }
  else{
    printf("%f",(N - ((N - 1) / 2)) / N);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:7: error: invalid operands to binary % (have 'double' and 'int')
    8 |   if(N%2 == 0){
      |       ^
Language: C

#include<stdio.h>

int main(void)
{
  double N;
  
  scanf("%f",&N);
  if(N%2 == 0){
    printf("%f",(N - N /2) / N);
  }
  else{
    printf("%f",(N - ((N - 1) / 2)) / N);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:7: error: invalid operands to binary % (have 'double' and 'int')
    8 |   if(N%2 == 0){
      |       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N;
  cin >> N;
  if(N%2==0){
  	cout << 1/2 << endl;
  }else{
  	cout << ((N+1)/2)/N << end1;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'end1' was not declared in this scope
   10 |         cout << ((N+1)/2)/N << end1;
      |                                ^~~~
Language: C

#include<stdio.h>

int main(void)
{
  double N;
  if(N%2 == 0){
    printf("%f",(N - N /2) / N);
  }
  else{
    printf("%f",(N - ((N - 1) / 2)) / N);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:7: error: invalid operands to binary % (have 'double' and 'int')
    6 |   if(N%2 == 0){
      |       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N;
  cin >> N;
  if(N%2==0){
  	cout << 1/2 << endl;
  }else{
  	cout << ((N+1)/2)/N << end2;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:32: error: 'end2' was not declared in this scope
   10 |         cout << ((N+1)/2)/N << end2;
      |                                ^~~~
Language: Java

import java.util.Scanner;
public class Main{
  public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
    double N=sc.nextInt();
    double ans;
    double count=0;
    for(int i=1; i<=n; i++){
      if(i%2.0==1){
        count++;
      }
    }
    ans=count/N;
    System.out.println("ans="+ans);

  }
}


Compiler output:
Main.java:8: error: cannot find symbol
    for(int i=1; i<=n; i++){
                    ^
  symbol:   variable n
  location: class Main
1 error
Language: C

#include <stdio.h>

double N;

int main(void){
scanf("%d", &N);
  if(N==1)
    printf("%f",N/1);
  else if(N%2==0)
    printf("%f",1/2);
  else
    printf("%f",1/3);
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:9:12: error: invalid operands to binary % (have 'double' and 'int')
    9 |   else if(N%2==0)
      |            ^
Language: C

#include <stdio.h>
int main(void)
{
  int N=0;
  scanf("%d", &N);
  if(N%2==0){
    ptintf("0.5");
  }
  else{
    printf("%d", (N+1)/(2*N));
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:5: error: implicit declaration of function 'ptintf'; did you mean 'printf'? [-Wimplicit-function-declaration]
    7 |     ptintf("0.5");
      |     ^~~~~~
      |     printf
Language: C

#include <stdio.h>
int main(void)
{
  int N=0;
  scanf("%d", &N);
  if(N%2==0){
    ptintf("0.5");
  }
  else{
    printf("%d", (N-1)/(2*N));
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:5: error: implicit declaration of function 'ptintf'; did you mean 'printf'? [-Wimplicit-function-declaration]
    7 |     ptintf("0.5");
      |     ^~~~~~
      |     printf
Language: C++

#include <iostream>
using namespace std;
int main(){
  int a,b,c;
  cin>>a>>b;
  if(a<=b){
    c=a;
  }
  else if(a>b){
    c=b;
  }
  int num[c],count=0;
  for (int i=1;i<=c;i++){
    if(a%i==0||b%i==0){
      num[count]=i;
      count++;
    }
  }
  int mem[count]==1,ans=0;
  for (int i=0;i<count;i++){
    int jud=0;
    for (int j=0;j<count;j++){
      if(num[i]%mem[j]!=0){
        jud=1;
        break;
      }
    }
    if(jud==0){
      mem[i]=num[i];
      ans++;
    }
  }
  cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:17: error: expected initializer before '==' token
   19 |   int mem[count]==1,ans=0;
      |                 ^~
a.cc:23:17: error: 'mem' was not declared in this scope
   23 |       if(num[i]%mem[j]!=0){
      |                 ^~~
a.cc:29:7: error: 'mem' was not declared in this scope
   29 |       mem[i]=num[i];
      |       ^~~
a.cc:30:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   30 |       ans++;
      |       ^~~
      |       abs
a.cc:33:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   33 |   cout<<ans<<endl;
      |         ^~~
      |         abs
Language: C++

#include <iostream>
using namespace std;
int main(){
  int a,b,c;
  cin>>a>>b;
  if(a<=b){
    c=a;
  }
  else if(a>b){
    c=b;
  }
  int num[c],count=0;
  for (int i=1;i<=c;i++){
    if(a%i==0||b%i==0){
      num[count]=i;
      count++;
    }
  }
  int mem[count]=1,ans=0;
  for (int i=0;i<count;i++){
    int jud=0;
    for (int j=0;j<count;j++){
      if(num[i]%mem[j]!=0){
        jud=1;
        break;
      }
    }
    if(jud==0){
      mem[i]=num[i];
      ans++;
    }
  }
  cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:18: error: array must be initialized with a brace-enclosed initializer
   19 |   int mem[count]=1,ans=0;
      |                  ^
Language: C++

#include <iostream>
using namespace std;
int main()
{
int N,a;
  for(a=1;a<N,0=<N=<100,N%1==0;N combination 1){}
cout<<(a%2>=1)/100<<endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:17: error: expected primary-expression before '<' token
    6 |   for(a=1;a<N,0=<N=<100,N%1==0;N combination 1){}
      |                 ^
a.cc:6:20: error: expected primary-expression before '<' token
    6 |   for(a=1;a<N,0=<N=<100,N%1==0;N combination 1){}
      |                    ^
a.cc:6:33: error: expected ')' before 'combination'
    6 |   for(a=1;a<N,0=<N=<100,N%1==0;N combination 1){}
      |      ~                          ^~~~~~~~~~~~
      |                                 )
a.cc:6:34: error: 'combination' was not declared in this scope
    6 |   for(a=1;a<N,0=<N=<100,N%1==0;N combination 1){}
      |                                  ^~~~~~~~~~~
Language: C++

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

int main() {
  int N;
  cin >> N;
  if(N%2==0){
  	printf(2/1);
  }else{
  	printf(((N+1)/2)/N);
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
    8 |         printf(2/1);
      |                ~^~
      |                 |
      |                 int
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
a.cc:10:25: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   10 |         printf(((N+1)/2)/N);
      |                ~~~~~~~~~^~
      |                         |
      |                         int
/usr/include/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  double n;
  cin>>n;
  if(n==1)
    cout<<"1";
  else if(n%2==0)
    cout<<(n/2)/n;
   else
   {
     double d=n/2;
     d=d+1;
     cout<<d/n;
   }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:12: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    9 |   else if(n%2==0)
      |           ~^~
      |           | |
      |           | int
      |           double
Language: C++

#include <iostream>
using namespace std;

int main(){
  int N;
  cin >> N;
  int prob;
  if ( N % 2 == 0){
    prob = 1/2;
  }
  else {
    prob = (N-1) / 2N;
  }
  cout << prob << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: unable to find numeric literal operator 'operator""N'
   12 |     prob = (N-1) / 2N;
      |                    ^~
Language: C

#include<stdio.h>
int main()
{
  double a;
  int N;
  scanf("%d",&N);
  if(N%2==1){
    N=N+1;
  }
  a=(double)(N/2)/N;
  printf("%f\n",a;
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:18: error: expected ')' before ';' token
   11 |   printf("%f\n",a;
      |         ~        ^
      |                  )
main.c:12:12: error: expected ';' before '}' token
   12 |   return 0;
      |            ^
      |            ;
   13 | }
      | ~
Language: C++

/************************Code by Hardik Aggarwal!!!!***********************************/

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

#define IOS ios_base::sync_with_stdio(false);cin.tie(NULL); 

#define ff first
#define ss second
#define pb push_back
#define pf push_front
#define mp make_pair
#define pu push
#define pp pop_back
#define in insert
#define ld long double
#define endl '\n'
#define debug cout << "Hold right there sparky.....\n";
#define forn(low,high,i) for(i=low;i<high;i++)
#define forrev(high,low,i) for(i = high; i>= low;i--)
#define trace(x) cerr << #x << ": " << x << " " << endl;

typedef long long int ll;

typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
const ll mod =1e9+7;

bool comp(pll p1,pll p2)
{
    if(p1.ff==p2.ff)
        return p1.ss<p2.ss;

    return p1.ff<p2.ff;
}
ll n=12;
ll a[1010],val[1005];
ll dp[1005][10000];
bool vis[1005][10000];
ll f(ll idx, ll mask)
{
    if ( idx == m ) {
        if ( __builtin_popcount(mask)==n) 
        {   
            return 0;
        }
        return mod;
    }
   if(dp[idx][mask]!=-1)
        return dp[idx][mask];
    ll ans = min(f(idx + 1, mask), a[idx] + f(idx + 1, (mask | val[idx])));
    //trace(ans);
    dp[idx][mask]=ans;
    return ans;
}
int main()
{
   

    IOS
    ll m;
    cin>>n>>m;
    memset(val,0,sizeof(val));
    memset(a,0,sizeof(a));
    memset(dp,-1,sizeof(dp));

    bool visi[n+1];
    memset(visi,0,sizeof(visi));
    ll b[n+1];
    for(ll i=0;i<m;i++)
    {
        cin>>a[i]>>b[i];
        for(ll j=0;j<b[i];j++)
        {
            ll x;
            cin>>x;
            x--;
            val[i]|=(1ll<<x);
            visi[x]=1;
        }
        //cout<<bitset<64>(val[i])<<endl;
    }

    /*for(ll i=0;i<m;i++)
    {
        cout<<a[i]<<endl;
    }*/

    for(ll i=0;i<n;i++)
    {
        if(!visi[i])
        {
            cout<<-1<<endl;
            return 0;
        }
    }

    cout<<f(0,0);

    




    
    
}
    
 
    
    



Compiler output:
a.cc: In function 'll f(ll, ll)':
a.cc:48:17: error: 'm' was not declared in this scope; did you mean 'tm'?
   48 |     if ( idx == m ) {
      |                 ^
      |                 tm
Language: Java

import java.util.Scanner;
public class r0928A{
  public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
    double n=sc.nextInt();
    System.out.println("nは"+n);
    double ans;
    double count=0;
    for(int i=1; i<=n; i++){
      if(i%2.0==1){
        count++;
      }
    }
    ans=count/n;
    System.out.println("ans="+ans);

  }
}


Compiler output:
Main.java:2: error: class r0928A is public, should be declared in a file named r0928A.java
public class r0928A{
       ^
1 error
Language: C++

#include<iostream>
using namespace std;

int main()
{
  int n;
  cin>>n;
  int x=n;
  if(n%2==0)
    x--;
  
  int term=((x-1)/2)+1;
  double prob=(double)term/(double)n;
  cout<<fixed<<setprecision(10)<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:16: error: 'setprecision' was not declared in this scope
   14 |   cout<<fixed<<setprecision(10)<<endl;
      |                ^~~~~~~~~~~~
a.cc:2:1: note: 'std::setprecision' is defined in header '<iomanip>'; this is probably fixable by adding '#include <iomanip>'
    1 | #include<iostream>
  +++ |+#include <iomanip>
    2 | using namespace std;
Language: C++

#include<bits/std++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  if(n==1)
    cout<<"1";
  else if(n%2==0)
    cout<<"0.5";
   else
     cout<<"0.6";
  return 0;
}

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

#include<bits/std++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  if(n==1)
    cout<<"1";
  if(n%2==0)
    cout<<"0.5";
   else
     cout<<"0.6";
  return 0;
}

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

#include<bits/std++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  if(n==1)
    cout<<"1";
  if(n%2==0)
    cout<<"0.5";
   else
     cout<<"0.6";

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

#include<stdio.h>
int main()
{
  double N;
  scanf("%d",&N);
  if(N%2==1){
    N=N+1;
  }
  printf("%.6f\n",(N/2)/N);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:7: error: invalid operands to binary % (have 'double' and 'int')
    6 |   if(N%2==1){
      |       ^
Language: C++

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

using namespace std;
 
void sort2vectors(vector<int> &av, vector<int> &bv)
{
        int n = av.size();
        vector<int> p(n), av2(n), bv2(n);
        iota(p.begin(), p.end(), 0);
        sort(p.begin(), p.end(), [&](int a, int b) { return av[a] < av[b]; });
        for (int i = 0; i < n; i++) {
                av2[i] = av[p[i]];
                bv2[i] = bv[p[i]];
        }
        av = av2;
        bv = bv2;
}
 
int main() {
  unsigned int N;
  cin >> N;
  vector<int> A(N);
  for(int i=0; i < N; i++){
  	cin >> A[i];
  }
  
  vector<int> B(N);
  for(int i=0; i < N; i++){
  	B[i] = i;
  }
  
  sort2vectors(A, B)
  
  for(int i=0; i < N; i++){
    cout << B[i] << " ";
  }
  cout << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:21: error: expected ';' before 'for'
   34 |   sort2vectors(A, B)
      |                     ^
      |                     ;
   35 | 
   36 |   for(int i=0; i < N; i++){
      |   ~~~                
a.cc:36:16: error: 'i' was not declared in this scope
   36 |   for(int i=0; i < N; i++){
      |                ^
Language: C++

#include <iostream>

int main()
{
	
		int x;
		scanf_s("%d", &x);
		int p = x;
		if (p % 2 == 1) {
			p = p / 2 + 1;
		}
		else {
			p = p / 2;
		}
		printf("%lf", (double)p / x);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:17: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
    7 |                 scanf_s("%d", &x);
      |                 ^~~~~~~
      |                 scanf
Language: C++

#include <iostream>
using namespace std;
 
int main() {
  int N;
	if(N%2==0){
  		printf(2/1);
	}else{
  		printf(((N+1)/2)/N);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:25: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
    7 |                 printf(2/1);
      |                        ~^~
      |                         |
      |                         int
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
a.cc:9:33: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
    9 |                 printf(((N+1)/2)/N);
      |                        ~~~~~~~~~^~
      |                                 |
      |                                 int
/usr/include/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include<stdio.h>
int main(){
  int N,a1,a2;
  double b;
  scanf("%d",&N);
  a1=0;
  for(i=1;i<=N;++i){
    if(i%2==1){
      a2=a1+1;
      a1=a2;
    }
  }
  b=(double)a1/N;
  printf("%f\n",b);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: 'i' was not declared in this scope
    7 |   for(i=1;i<=N;++i){
      |       ^
Language: C++

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;++i)
#include<string>
using namespace std;
typedef long long ll;
ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }

int main() {
	int n;
	cin >> n;
	if(fmod(n,2.0)cout<<0.5<<endl;
	else if(n=1)cout<<1<<endl;
	else cout<<0.5+1/n<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: expected ';' before 'cout'
   12 |         if(fmod(n,2.0)cout<<0.5<<endl;
      |                       ^~~~
      |                       ;
a.cc:13:9: error: expected primary-expression before 'else'
   13 |         else if(n=1)cout<<1<<endl;
      |         ^~~~
a.cc:12:39: error: expected ')' before 'else'
   12 |         if(fmod(n,2.0)cout<<0.5<<endl;
      |           ~                           ^
      |                                       )
   13 |         else if(n=1)cout<<1<<endl;
      |         ~~~~
Language: C++

#include<stdio.h>
int main(){
  int N,a1,a2;
  double b;
  scanf("%d",&N);
  a1=0;
  for(i=1;i<=N;++i){
    if(i%2==1){
      a2=a1+1;
      a1=a2;
    }
  }
  b=(double)1-a1/N;
  printf("%f\n",b);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: 'i' was not declared in this scope
    7 |   for(i=1;i<=N;++i){
      |       ^
Language: C

#include <stdio.h>

int main(void)
{
  double N;
  scanf("%f",&N);
  if (N%2==0) {
    printf("%d", (N/2)*(1/N));
  } else {
    printf("%d",(N+1)/(2*N));
  }
  return 0;
}
  


Compiler output:
main.c: In function 'main':
main.c:7:8: error: invalid operands to binary % (have 'double' and 'int')
    7 |   if (N%2==0) {
      |        ^
Language: C++

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

int main(){
   int a;
   double b;
   cin >> a;
  if(a%2==0){
     b=a;
     b=b/(b&2);
  }
  else{
     b=a;
    b=b/(a/2+1);
  }
  cout << b;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: invalid operands of types 'double' and 'int' to binary 'operator&'
   10 |      b=b/(b&2);
      |           ~^~
      |           | |
      |           | int
      |           double
Language: C

#include<stdio.h>

int main() {
	int a;
	scanf("%d", &a);
	int b[100];
	int count=0;
	int z = 1;
	for (int i = 0;i < a;i++) {
		b[i] = { z };
		z++;
	}
	for ( int i = 0;i < a;i++) {
		if (b[i] % 2 == 1) {
			count++;
		}
	}
	printf("%lf", (double)count / a);

}

Compiler output:
main.c: In function 'main':
main.c:10:24: error: expected expression before '{' token
   10 |                 b[i] = { z };
      |                        ^
Language: C

#include<stdio.h>

int main(void)
{
  int N;
  do{
 scanf("%d",&N);
  }while(N < 0 || 100 < N);
    if(N == 1){
      printf("%f",N)
    }
  else if(N%2 == 0){
    printf("%f",(N - N /2) / N);
  }
  else{
    printf("%f",(N + 0.5 - N / 2) / N);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:21: error: expected ';' before '}' token
   10 |       printf("%f",N)
      |                     ^
      |                     ;
   11 |     }
      |     ~
Language: Java

import java.util.Scanner;

public class Odds {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int kisuu = (n + 1) / 2; 
		double ans = kisuu * 1.0 / n;
		System.out.println(ans);
		
	}

}

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

import java.util.Scanner;

public class Main {

    int n;

    Main(int n) {
        this.n = n;
    }

    /**
     * 
     * @return greeting message
     */
    public double solve() {

        if (n % 2 == 0) {
            return 0.5;
        } else {
            return 1.0 * (n + 1) / 2 / n;
        }
    }

    public static void main(String[] args) {

        // input
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        sc.close();

        // solve
        double p = new Main(n).solve();

        // display
        System.out.println(p);
    }

Compiler output:
Main.java:36: error: reached end of file while parsing
    }
     ^
1 error
Language: C

#include<stdio.h>
 
void main(){
  
  int N;
  
  if(scanf("%d",&N)%2 == 0){
    printf("0,5");
  }else if(scanf("%d",&N)==1){
    printf("1");
  }else(){
    printf("0.6");
  }
  
  return 1;
  
}

Compiler output:
main.c: In function 'main':
main.c:11:9: error: expected expression before ')' token
   11 |   }else(){
      |         ^
Language: C

#include<stdio.h>
#include<conio.h>
#include<math.h>
int main(){
  int a;
  float c,d;
  scanf("%d",&a);
  if( a % 2 == 0 ){
  	c=a/2;
  	d=c/a;
  printf("%f",d);
  } else {
  	c=a/2;
  	c=c+1;
  	d=c/a;
  printf("%f",d);
  }
  
  }
  

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

#include<bits/stdc++.h>
using namespace std;
int main(){
	float n;
	cin>>n;
	if(n & 1){
		cout<<(n+1)/(2*n)<<endl;
	}
	else{
		cout<<n/2*n<<Endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:14: error: invalid operands of types 'float' and 'int' to binary 'operator&'
    6 |         if(n & 1){
      |            ~ ^ ~
      |            |   |
      |            |   int
      |            float
a.cc:10:30: error: 'Endl' was not declared in this scope
   10 |                 cout<<n/2*n<<Endl;
      |                              ^~~~
Language: Java

package antbook.p0;

import java.util.Scanner;

public class P142a {

    int n;

    P142a(int n) {
        this.n = n;
    }

    /**
     * 
     * @return greeting message
     */
    public double solve() {

        if (n % 2 == 0) {
            return 0.5;
        } else {
            return 1.0 * (n + 1) / 2 / n;
        }
    }

    public static void main(String[] args) {

        // input
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        sc.close();

        // solve
        double p = new P142a(n).solve();

        // display
        System.out.println(p);
    }

}


Compiler output:
Main.java:5: error: class P142a is public, should be declared in a file named P142a.java
public class P142a {
       ^
1 error
Language: C

#include <stdio.h>

int main(void)
{
  double N;
  scanf("%d",&N);
  if (N%2==0) {
    printf("%d", (N/2)*(1/N));
  } else {
    printf("%d",(N+1)/(2*N));
  }
  return 0;
}
  


Compiler output:
main.c: In function 'main':
main.c:7:8: error: invalid operands to binary % (have 'double' and 'int')
    7 |   if (N%2==0) {
      |        ^
Language: Java

class Probability
{
import java.io.Scanner;
public static void main(String []args)
{
       int  ,i,N,x=1;
       double a;
       Scanner sc=new Scanner(System.in);
       System.out.print("\nInput A Number = ");
       n=sc.nextInt();
       for(i=1;i<=N;i++)
       {
              if(i%2==1)
                 x++;
       }   
       a=(double)x/N;
      System.out.print("\nProbability of A = "+a);
}
}

Compiler output:
Main.java:3: error: illegal start of type
import java.io.Scanner;
^
Main.java:3: error: <identifier> expected
import java.io.Scanner;
                      ^
Main.java:6: error: not a statement
       int  ,i,N,x=1;
       ^
Main.java:6: error: ';' expected
       int  ,i,N,x=1;
          ^
Main.java:6: error: not a statement
       int  ,i,N,x=1;
             ^
Main.java:6: error: ';' expected
       int  ,i,N,x=1;
              ^
Main.java:6: error: not a statement
       int  ,i,N,x=1;
               ^
Main.java:6: error: ';' expected
       int  ,i,N,x=1;
                ^
8 errors
Language: C

#include<stdio.h>
int main(){
  doulbe n;
  double a;
  scanf("%lf",&n);
  if((int)n%2 == 0)
    a = n/2.0/n;
    printf("%lf\n",a);
  if((int)n%2 != 0)
    a=((int)(n/2.0)+1.0)/n;
    printf("%lf\n",a);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:3:3: error: unknown type name 'doulbe'; did you mean 'double'?
    3 |   doulbe n;
      |   ^~~~~~
      |   double
Language: C++

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

int main() {
  int A,B;
  cin>>A>>B;
  int C=min(A,B);
  int D=max(A,B);
  int E=sqrt(C);
  vector<int>F(E);
  for(int i=0;i<E;i++){
    F.at(i)=D+1;
  }
  for(int i=1;i<=E;i++){
    int yakusuu=0;
    for(int j=1;j<=i;j++){
      if(i&j==0){
        yakusuu++:
      }
    }
    if(yakusuu==2){
      F.at(i-1)=i
    }
  }
  int ans=1;
  for(int i=0;i<E;i++){
    if(A%F.at(i)==0&&B%F.at(i)==0){
      ans++;
    }
  }
  cout<<ans<<endl;
    
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:18: error: expected ';' before ':' token
   18 |         yakusuu++:
      |                  ^
      |                  ;
a.cc:22:18: error: expected ';' before '}' token
   22 |       F.at(i-1)=i
      |                  ^
      |                  ;
   23 |     }
      |     ~
Language: C++

#include <iostream>
using namespace std;

int main() {
  int N;
	if(N%2==0){
  		print(2/1);
	}else{
  		print(((N+1)/2)/N);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:17: error: 'print' was not declared in this scope; did you mean 'printf'?
    7 |                 print(2/1);
      |                 ^~~~~
      |                 printf
a.cc:9:17: error: 'print' was not declared in this scope; did you mean 'printf'?
    9 |                 print(((N+1)/2)/N);
      |                 ^~~~~
      |                 printf
Language: C++

#include<iostream>
using namespace std;
int main() {
	int n;
	cin >> n;
	double x, y, z;
	z = n / 2;
	printf("%.4lf\n", z);
	if (z % 2 == 1) {
		x = n / 2;
		z = x + 1;
		y = n / z;
		printf("%.6lf\n", y);
		cout << y << endl;
		return 0;
	}
	if (z % 2 == 0) {
		x = n / 2;
		y = n / z;
		printf("%.6lf\n", y);
		cout << y << endl;
		return 0;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:15: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    9 |         if (z % 2 == 1) {
      |             ~ ^ ~
      |             |   |
      |             |   int
      |             double
a.cc:17:15: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   17 |         if (z % 2 == 0) {
      |             ~ ^ ~
      |             |   |
      |             |   int
      |             double
Language: C++

#include<stdio.h>
int mian(){
int N,a,b,c1,c2,i;
  double d;
  c1=0;
  scanf("%ld",&N);
  for(i=1,i<=N,++i){
    b=i/2;
    a=b*2;
    if(a==i){
      c2=c1+1;
      c1=c2;
    }
  }
  d=(double)1-c1/N;
  printf("%f\n"d);
  return 0;
}

Compiler output:
a.cc: In function 'int mian()':
a.cc:7:19: error: expected ';' before ')' token
    7 |   for(i=1,i<=N,++i){
      |                   ^
      |                   ;
a.cc:16:10: error: unable to find string literal operator 'operator""d' with 'const char [4]', 'long unsigned int' arguments
   16 |   printf("%f\n"d);
      |          ^~~~~~~
a.cc:16:18: error: expected ')' before ';' token
   16 |   printf("%f\n"d);
      |                  ^
      |                  )
a.cc:7:6: note: to match this '('
    7 |   for(i=1,i<=N,++i){
      |      ^
Language: C

#include <stdio.h>

int main(void)
{
  int N;
  scanf("%d",&N);
  if (N%2=0) {
    printf("%d", (N/2)*(1/N));
  } else {
    printf("%d",(N+1)/)(2*N));
  }
  return 0;
}
  


Compiler output:
main.c: In function 'main':
main.c:7:10: error: lvalue required as left operand of assignment
    7 |   if (N%2=0) {
      |          ^
main.c:10:23: error: expected expression before ')' token
   10 |     printf("%d",(N+1)/)(2*N));
      |                       ^
main.c:10:29: error: expected ';' before ')' token
   10 |     printf("%d",(N+1)/)(2*N));
      |                             ^
      |                             ;
main.c:10:29: error: expected statement before ')' token
Language: C

#include <stdio.h>

int main(void)
{
  int N;
  scanf("%d",N);
  if (N%2=0) {
    printf("%d", (N/2)*(1/N));
  } else {
    printf("%d",(N+1)/)(2*N));
  }
  return 0;
}
  

Compiler output:
main.c: In function 'main':
main.c:7:10: error: lvalue required as left operand of assignment
    7 |   if (N%2=0) {
      |          ^
main.c:10:23: error: expected expression before ')' token
   10 |     printf("%d",(N+1)/)(2*N));
      |                       ^
main.c:10:29: error: expected ';' before ')' token
   10 |     printf("%d",(N+1)/)(2*N));
      |                             ^
      |                             ;
main.c:10:29: error: expected statement before ')' token
Language: C++

#include<iostream>
using namespace std;
int main() {
	int n, x, y, z;
	cin >> n;
	double n, x, y, z;
	z = n / 2;
	printf("%.4lf\n", z);
	if (z % 2==1) {
		x = n / 2;
		z = x + 1;
		y = n / z;
		printf("%.6lf\n", y);
		cout << y << endl;
		return 0;
	}
	if (z%2==0) {
		x = n / 2;
		y = n / z;
		printf("%.6lf\n", y);
		cout << y << endl;
		return 0;
	}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:16: error: conflicting declaration 'double n'
    6 |         double n, x, y, z;
      |                ^
a.cc:4:13: note: previous declaration as 'int n'
    4 |         int n, x, y, z;
      |             ^
a.cc:6:19: error: conflicting declaration 'double x'
    6 |         double n, x, y, z;
      |                   ^
a.cc:4:16: note: previous declaration as 'int x'
    4 |         int n, x, y, z;
      |                ^
a.cc:6:22: error: conflicting declaration 'double y'
    6 |         double n, x, y, z;
      |                      ^
a.cc:4:19: note: previous declaration as 'int y'
    4 |         int n, x, y, z;
      |                   ^
a.cc:6:25: error: conflicting declaration 'double z'
    6 |         double n, x, y, z;
      |                         ^
a.cc:4:22: note: previous declaration as 'int z'
    4 |         int n, x, y, z;
      |                      ^
a.cc:23:10: error: expected '}' at end of input
   23 |         }
      |          ^
a.cc:3:12: note: to match this '{'
    3 | int main() {
      |            ^
Language: C++

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

int main(){
  int N;
  cin >> N ;
  
  if(N%2.0 == 0){
    cout << (double)1.0/2.0 << endl;
  }
  if(N%2.0 == 1){
    cout << (double)((N-1.0)/2.0)/N << endl;
  }
}
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: invalid operands of types 'int' and 'double' to binary 'operator%'
    8 |   if(N%2.0 == 0){
      |      ~^~~~
      |      | |
      |      | double
      |      int
a.cc:11:7: error: invalid operands of types 'int' and 'double' to binary 'operator%'
   11 |   if(N%2.0 == 1){
      |      ~^~~~
      |      | |
      |      | double
      |      int
Language: C++

include<stdio.h>
int mian(){
int N,a,b,c1,c2,i;
  double d;
  scanf("%ld",&N);
  for(i=1,i<=N,++i){
    b=i/2;
    a=b*2;
    if(a=b){
      c2=c1+1;
      c1=c2;
    }
  }
  d=(double)c1/N;
  printf("%f\n"d);
  return 0;
}
#include<stdio.h>
int mian(){
int N,a,b,c1,c2,i;
  double d;
  c1=1
  scanf("%ld",&N);
  for(i=1,i<=N,++i){
    b=i/2;
    a=b*2;
    if(a==i){
      c2=c1+1;
      c1=c2;
    }
  }
  d=(double)c1/N;
  printf("%f\n"d);
  return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<stdio.h>
      | ^~~~~~~
a.cc: In function 'int mian()':
a.cc:22:7: error: expected ';' before 'scanf'
   22 |   c1=1
      |       ^
      |       ;
   23 |   scanf("%ld",&N);
      |   ~~~~~
a.cc:24:19: error: expected ';' before ')' token
   24 |   for(i=1,i<=N,++i){
      |                   ^
      |                   ;
a.cc:33:10: error: unable to find string literal operator 'operator""d' with 'const char [4]', 'long unsigned int' arguments
   33 |   printf("%f\n"d);
      |          ^~~~~~~
a.cc:33:18: error: expected ')' before ';' token
   33 |   printf("%f\n"d);
      |                  ^
      |                  )
a.cc:24:6: note: to match this '('
   24 |   for(i=1,i<=N,++i){
      |      ^
Language: C++

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

int main(){
  double N;
  cin >> N ;
  
  if(N%2.0 == 0){
    cout << 1.0/2.0 << endl;
  }
  if(N%2.0 == 1){
    cout << ((N-1.0)/2.0)/N << endl;
  }
}
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: invalid operands of types 'double' and 'double' to binary 'operator%'
    8 |   if(N%2.0 == 0){
      |      ~^~~~
      |      | |
      |      | double
      |      double
a.cc:11:7: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   11 |   if(N%2.0 == 1){
      |      ~^~~~
      |      | |
      |      | double
      |      double
Language: C

#include<stdio.h>
int main(){
  float n;
  float
  scanf("%d",&n);
  if(n%2==0){
    x=0.5;
  }
  else{
    int y=(n-1)/2+1;
    x=y/n;
  }
  printf("%f",n);
}


Compiler output:
main.c: In function 'main':
main.c:5:9: error: expected declaration specifiers or '...' before string constant
    5 |   scanf("%d",&n);
      |         ^~~~
main.c:5:14: error: expected declaration specifiers or '...' before '&' token
    5 |   scanf("%d",&n);
      |              ^
main.c:6:7: error: invalid operands to binary % (have 'float' and 'int')
    6 |   if(n%2==0){
      |       ^
main.c:7:5: error: 'x' undeclared (first use in this function)
    7 |     x=0.5;
      |     ^
main.c:7:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<stdio.h>
int mian(){
int N,a,b,c1,c2,i;
  double d;
  scanf("%ld",&N);
  for(i=1,i<=N,++i){
    b=i/2;
    a=b*2;
    if(a=b){
      c2=c1+1;
      c1=c2;
    }
  }
  d=(double)c1/N;
  printf("%f\n"d);
  return 0;
}

Compiler output:
a.cc: In function 'int mian()':
a.cc:6:19: error: expected ';' before ')' token
    6 |   for(i=1,i<=N,++i){
      |                   ^
      |                   ;
a.cc:15:10: error: unable to find string literal operator 'operator""d' with 'const char [4]', 'long unsigned int' arguments
   15 |   printf("%f\n"d);
      |          ^~~~~~~
a.cc:15:18: error: expected ')' before ';' token
   15 |   printf("%f\n"d);
      |                  ^
      |                  )
a.cc:6:6: note: to match this '('
    6 |   for(i=1,i<=N,++i){
      |      ^
Language: C++

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

int main(){
  double N;
  cin >> N ;
  
  if(N%2 == 0){
    cout << 1/2 << endl;
  }
  if(N%2 == 1){
    cout << ((N-1)/2)/N << endl;
  }
}
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    8 |   if(N%2 == 0){
      |      ~^~
      |      | |
      |      | int
      |      double
a.cc:11:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   11 |   if(N%2 == 1){
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

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

int main(){
  int N;
  cin >> N ;
  
  if(N%2 == 0){
    cout << 1/2 << endl;
  }
  if(N%2 == 1){
    cout << ((N-1)/2)/N  endl;
  }
}
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:12:24: error: expected ';' before 'endl'
   12 |     cout << ((N-1)/2)/N  endl;
      |                        ^ ~~~~
      |                        ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
 int main() {
  double N; 
    cin >> N ;
  if (N % 2 != 1){
    cout << 1 / 2 <<endl;
  }
  else{
    cout << (N/2+1)/N <<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |   if (N % 2 != 1){
      |       ~ ^ ~
      |       |   |
      |       |   int
      |       double
Language: C

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

int main(){
  int N;
  cin >> N ;
  
  if(N%2 == 0){
    cout << 1/2 << endl;
  }
  if(N%2 == 1){
    cout << ((N-1)/2)/N  endl;
  }
}
    
  

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

#include<stdio.h>

int main(void)
{
  int N;
 scanf("%d",&N);
  if(N%2 == 0){
    printf("%f",(N - N /2) / N);
  }
  else{
    printf("%f",(N + 0.5 - n / 2) / N);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:28: error: 'n' undeclared (first use in this function)
   11 |     printf("%f",(N + 0.5 - n / 2) / N);
      |                            ^
main.c:11:28: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<stdio.h>
#include<conio.h>
void main()
{
       int  i,N,x=0;
      double a;
       printf("\nInput a Number = ");
       scanf("%d",&N);
       for (i=1;i<=N;i++)
       {
                 if(i%2==1)
                    x++;
        }  
        a=(double)x/N
        printf("\nProbality of A =  %d",a);
        getch();
}


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

#include<stdio.h>

int main(void)
{
  int N;
 scanf("%d",&N);
  if(N%2 == 0){
    printf("%f",(N - N /2) / N);
  }
  else{
    print("%f",(N + 0.5 - n / 2) / N);
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:5: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   11 |     print("%f",(N + 0.5 - n / 2) / N);
      |     ^~~~~
      |     printf
main.c:11:27: error: 'n' undeclared (first use in this function)
   11 |     print("%f",(N + 0.5 - n / 2) / N);
      |                           ^
main.c:11:27: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<iostream>
#include<iomanip>
#include<string>
#include<queue>
#include<vector>
#include<algorithm>
#include<tuple>
#include<numeric>
#include<map>
#include<cmath>
#include<utility>
#define ll long long
#define mod 1000000000+7
#define rep(i,n) for(int i=0;i<(int) (n);i++)
ll gcd(ll a,ll b){return b ? gcd(b,a%b) : a;}
ll lcm(ll a,ll b){return a/gcd(a,b)*b;}
using namespace std;
int main(){
  double n,cnt=0;
  cin>>n;
  for(double i=1;i<=n;i++){
    if(i%2==1)cnt++;
  }
  cout<<cnt/n;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:9: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   22 |     if(i%2==1)cnt++;
      |        ~^~
      |        | |
      |        | int
      |        double
Language: C

#include<stdio.h>
int main(){
  int n;
  double a;
  scanf("%d",&n);
  if(n%2 == 0)
    a = (double)n/2.0/(double)n;
    printf("%lf\n",a);
  else if(n%2 != 0)
    a=(((double)n/2.0)+1.0)/(double)n;
    printf("%lf\n",a);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:3: error: 'else' without a previous 'if'
    9 |   else if(n%2 != 0)
      |   ^~~~
Language: C

#include<stdio.h>
int main(){
  int n;
  double a;
  scanf("%d",&n);
  if(n%2 == 0)
    a = (double)n/2.0/(double)n;
    printf("%lf\n",a);
  else
    a=(((double)n/2.0)+1.0)/(double)n;
    printf("%lf\n",a);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:3: error: 'else' without a previous 'if'
    9 |   else
      |   ^~~~
Language: C

#include<stdio.h>
int main()
{
	
float a;
scanf("%d",&a);
if(a==1)
  printf("1.00");
  else if(a%2==0)
  printf("0.50");
  else
  printf("%f",(a+1)/(2*a));
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:12: error: invalid operands to binary % (have 'float' and 'int')
    9 |   else if(a%2==0)
      |            ^
Language: C

#include<stdio.h>
#include<conio.h>
void main()
{
       int  i,N,x=0;
      double a;
       printf("\nInput a Number = ");
       scanf("%d",&N);
       for (i=1;i<=N;i++)
       {
                 if(i%2==1)
                    x++;
        }  
        a=(double)x/N
        printf("\nProbality of A =  %d",a);
        getch();
}


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

#include<stdio.h>
int main()
{
  double a,N;
  while(N<1||N>100){
    scanf("%lf",&N);
  }
  if(N%2==1){
    N=N+1;
  }
  a=(N/2)/N;
  printf("%.10f\n",a);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:7: error: invalid operands to binary % (have 'double' and 'int')
    8 |   if(N%2==1){
      |       ^
Language: C++

int N;
if(N%2==0){
  print(2/1);
}else{
  print(((N-1)/2)/N);
}

Compiler output:
a.cc:2:1: error: expected unqualified-id before 'if'
    2 | if(N%2==0){
      | ^~
a.cc:4:2: error: expected unqualified-id before 'else'
    4 | }else{
      |  ^~~~
Language: C++

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

int main(){
    // long long K;
    int N;
    cin >> N;
    long double n = (long double)N;
    long d#include <bits/stdc++.h>
using namespace std;

int main(){
    // long long K;
    int N;
    cin >> N;
    long double n = (long double)N;
    long double x;
    if(N%2==0){
        cout << 0.50000000 << endl;
    }

    else{
        x = (n+1.0000000)/(2.00000000*n);
        cout << x << endl;
    }
}ouble x;
    if(N%2==0){
        cout << 0.50000000 << endl;
    }

    else{
        x = (n+1.0000000)/(2.00000000*n);
        cout << x << endl;
    }
}

Compiler output:
a.cc:9:11: error: stray '#' in program
    9 |     long d#include <bits/stdc++.h>
      |           ^
a.cc: In function 'int main()':
a.cc:9:12: error: expected initializer before 'include'
    9 |     long d#include <bits/stdc++.h>
      |            ^~~~~~~
a.cc:12:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   12 | int main(){
      |         ^~
a.cc:12:9: note: remove parentheses to default-initialize a variable
   12 | int main(){
      |         ^~
      |         --
a.cc:12:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:12:11: error: a function-definition is not allowed here before '{' token
   12 | int main(){
      |           ^
a.cc:26:2: error: 'ouble' was not declared in this scope; did you mean 'double'?
   26 | }ouble x;
      |  ^~~~~
      |  double
a.cc:32:9: error: 'x' was not declared in this scope
   32 |         x = (n+1.0000000)/(2.00000000*n);
      |         ^
Language: C++

int main(void)
{
int N;
if(N%2==0){
  print(2/1);
}else{
  print(((N-1)/2)/N);
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'print' was not declared in this scope; did you mean 'int'?
    5 |   print(2/1);
      |   ^~~~~
      |   int
a.cc:7:3: error: 'print' was not declared in this scope; did you mean 'int'?
    7 |   print(((N-1)/2)/N);
      |   ^~~~~
      |   int
Language: C

#include<stdio.h>
int main(){
  int n;
  double a;
  scanf("%d",&n);
  if(n%2 == 0)
    printf("%lf\n",(((double)n/2)/2));
  else
    a=((n/2)+1)/n;
    printf("%lf\n",(((doulbe)n/2)+1)/(doulbe)n);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:23: error: 'doulbe' undeclared (first use in this function); did you mean 'double'?
   10 |     printf("%lf\n",(((doulbe)n/2)+1)/(doulbe)n);
      |                       ^~~~~~
      |                       double
main.c:10:23: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:30: error: expected ')' before 'n'
   10 |     printf("%lf\n",(((doulbe)n/2)+1)/(doulbe)n);
      |                     ~        ^
      |                              )
main.c:10:46: error: expected ')' before 'n'
   10 |     printf("%lf\n",(((doulbe)n/2)+1)/(doulbe)n);
      |           ~                                  ^
      |                                              )
Language: C

#include <stdio.h>
int main(void){
  double N; double a;
scanf("%.7f",&N);
if((N%2)==0){a=1/2;}
  else a=((N+1)/2)/N;
  printf("%.7f",a);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:6: error: invalid operands to binary % (have 'double' and 'int')
    5 | if((N%2)==0){a=1/2;}
      |      ^
Language: C++

int main(void)
{
int N;
if(N/2==0){
  print(2/1);
}else{
  print(((N-1)/2)/N);
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'print' was not declared in this scope; did you mean 'int'?
    5 |   print(2/1);
      |   ^~~~~
      |   int
a.cc:7:3: error: 'print' was not declared in this scope; did you mean 'int'?
    7 |   print(((N-1)/2)/N);
      |   ^~~~~
      |   int
Language: C++

#include <iostream>
using namespace std;
int main(){
  double n,ans;
  cin>>n;
  if(n%2==0){
    ans=n/2;
  }
  else if(n%2!=0){
    ans=(n+1)/2;
  }
  cout<<ans/n<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    6 |   if(n%2==0){
      |      ~^~
      |      | |
      |      | int
      |      double
a.cc:9:12: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    9 |   else if(n%2!=0){
      |           ~^~
      |           | |
      |           | int
      |           double
Language: C++

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

int main{
  int N = 0;
  cin >> N;
  double P;
  if(N%2 == 0){
    P = 1/2;
  }
  if(N%2 == 1){
    P = (N+1)/(2*N);
  }
  cout << P << endl;
}


Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:3: error: expected primary-expression before 'int'
    5 |   int N = 0;
      |   ^~~
a.cc:5:3: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:3: error: 'cin' does not name a type
    6 |   cin >> N;
      |   ^~~
a.cc:8:3: error: expected unqualified-id before 'if'
    8 |   if(N%2 == 0){
      |   ^~
a.cc:11:3: error: expected unqualified-id before 'if'
   11 |   if(N%2 == 1){
      |   ^~
a.cc:14:3: error: 'cout' does not name a type
   14 |   cout << P << endl;
      |   ^~~~
a.cc:15:1: error: expected declaration before '}' token
   15 | }
      | ^
Language: C++

int main(void)
{
int N;
if(N/2==0){
  print(2/1)
}else{
  print(((N-1)/2)/N)
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'print' was not declared in this scope; did you mean 'int'?
    5 |   print(2/1)
      |   ^~~~~
      |   int
a.cc:7:3: error: 'print' was not declared in this scope; did you mean 'int'?
    7 |   print(((N-1)/2)/N)
      |   ^~~~~
      |   int