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

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

int main(){
    int N;
    cin >> N;
    if(N%2 == 0) {
    cout << 1 <<endl;
    }
    else {
    cout <<fixed<<setprecision(10)<<(N.0/2.0+1.0)/N.0<<endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:39: error: expected ')' before numeric constant
   11 |     cout <<fixed<<setprecision(10)<<(N.0/2.0+1.0)/N.0<<endl;
      |                                     ~ ^~
      |                                       )
Language: C++

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

int main(){
    int M;
    cin >> M;
    double N = M
    if(M%2 == 0) {
    cout <<fixed<<setprecision(10)<<N/2/N<<endl;
    }
    else {
    cout <<fixed<<setprecision(10)<<(N/2+1)/N<<endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: expected ',' or ';' before 'if'
    8 |     if(M%2 == 0) {
      |     ^~
a.cc:11:5: error: 'else' without a previous 'if'
   11 |     else {
      |     ^~~~
Language: C++

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

int main(){
    double N;
    cin >> N;
    if(N%2 == 0) {
    cout <<fixed<<setprecision(10)<<N/2/N<<endl;
    }
    else {
    cout <<fixed<<setprecision(10)<<(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 == 0) {
      |        ~^~
      |        | |
      |        | int
      |        double
Language: C

#include<stdio.h>
int main(void){
  	int a;
  	int odd;
  scanf("%d",%a);
  odd = (a + 1.0) / 2.0;
  printf("%.12f",odd / a);
  return 0;
}
  


Compiler output:
main.c: In function 'main':
main.c:5:14: error: expected expression before '%' token
    5 |   scanf("%d",%a);
      |              ^
Language: C

#include<stdio.h>
int main(void){
  	int a;
  	int odd;
  scanf("%d",%a);
  odd = (a + 1) / 2;
  printf("%.12f",odd / a);
  return 0;
}
  

Compiler output:
main.c: In function 'main':
main.c:5:14: error: expected expression before '%' token
    5 |   scanf("%d",%a);
      |              ^
Language: C++

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

int main() {
  double N; cin >> N;
  if (N==1) cout << 1 << endl;
  else if (N%2==0) cout << 0.50 << endl;
  else cout << (N/2+1)/N << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |   else if (N%2==0) cout << 0.50 << endl;
      |            ~^~
      |            | |
      |            | int
      |            double
Language: C++

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

int main() {
  int N; cin >> N;
  if (N=1) cout << 1 << endl;
  else if (N%2=0) cout << 0.50 << endl;
  else cout << 0.60 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: lvalue required as left operand of assignment
    7 |   else if (N%2=0) cout << 0.50 << endl;
      |            ~^~
Language: C++

#define _GLIBCXX_DEBUG
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
//void p(vector<int> A){rep(i,A.size()){cout << A[i] << " ";}cout << "\n";}

int main(){
    int n;
    cin >> n;
    if(n == 1)cout << 1 << endl;
    else if(n%2 == 0){
        printf("%.10f\n",1/2);
    }
    else print("%.10f\n",2/3);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:10: error: 'print' was not declared in this scope; did you mean 'rint'?
   15 |     else print("%.10f\n",2/3);
      |          ^~~~~
      |          rint
Language: C++

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

int main(){
  	double a;
  	cin >> a;
  	cout << (a%2?ceil(a/2)/a:1/2);
  	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:19: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |         cout << (a%2?ceil(a/2)/a:1/2);
      |                  ~^~
      |                  | |
      |                  | int
      |                  double
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    6 |         if(n%2==0;){
      |            ~^~
      |            | |
      |            | int
      |            double
a.cc:6:19: error: expected primary-expression before ')' token
    6 |         if(n%2==0;){
      |                   ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main(){
  int n,counter=0;
  cin >> n;
  for(int i=1,i<=n,i++){
   if(i%2==1)counter++;
  }
  cout<<(double)counter/n<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:16: error: expected ';' before '<=' token
    9 |   for(int i=1,i<=n,i++){
      |                ^~
      |                ;
a.cc:9:16: error: expected primary-expression before '<=' token
    9 |   for(int i=1,i<=n,i++){
      |                ^~
a.cc:9:23: error: expected ';' before ')' token
    9 |   for(int i=1,i<=n,i++){
      |                       ^
      |                       ;
Language: C++

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

int main(){
  int n;
  cin >> n;
  double a,b;
  b = n/2;
  if(n%2=0){
    cout << b << endl;
  }
  a=n/(2*n-1) ;
  else cout <<a << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: lvalue required as left operand of assignment
   10 |   if(n%2=0){
      |      ~^~
a.cc:14:3: error: 'else' without a previous 'if'
   14 |   else cout <<a << endl;
      |   ^~~~
Language: C++

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

int main(){
  double n;
  cin >> n;
  if(n%2=0){
    cout << n/2 << endl;
  }
  else cout << n/(2*n-1) << 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
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
 
int main() {
 	int n;	cin >> n;
  	if(n%2 == 0) cout << fixed << setprecision(15) << (double)1/2 << endl;
  	else cout << fixed << setprecision(15) << (double)((n-1)/2+1)/n << endl
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:80: error: expected ';' before '}' token
    8 |         else cout << fixed << setprecision(15) << (double)((n-1)/2+1)/n << endl
      |                                                                                ^
      |                                                                                ;
    9 | }
      | ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  double n;cin >> n;
  cout << fixed << setprecision(10) << ((n-n%2)/2+n%2)/n << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:45: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    6 |   cout << fixed << setprecision(10) << ((n-n%2)/2+n%2)/n << endl;
      |                                            ~^~
      |                                            | |
      |                                            | int
      |                                            double
a.cc:6:52: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    6 |   cout << fixed << setprecision(10) << ((n-n%2)/2+n%2)/n << endl;
      |                                                   ~^~
      |                                                   | |
      |                                                   | int
      |                                                   double
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  double n;cin >> n;
  cout << fixed << setprescision(10) << ((n-n%2)/2+n%2)/n << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:20: error: 'setprescision' was not declared in this scope
    6 |   cout << fixed << setprescision(10) << ((n-n%2)/2+n%2)/n << endl;
      |                    ^~~~~~~~~~~~~
a.cc:6:46: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    6 |   cout << fixed << setprescision(10) << ((n-n%2)/2+n%2)/n << endl;
      |                                             ~^~
      |                                             | |
      |                                             | int
      |                                             double
a.cc:6:53: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    6 |   cout << fixed << setprescision(10) << ((n-n%2)/2+n%2)/n << endl;
      |                                                    ~^~
      |                                                    | |
      |                                                    | int
      |                                                    double
Language: C

#include<stdio.h>
#include<string.h>
int main(void){
    double n;
    scanf("%lf",&n);
    if(n%2==0)
    printf("%f",0.5);
    else
    printf("%f",(n+1)/2/n);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:9: error: invalid operands to binary % (have 'double' and 'int')
    6 |     if(n%2==0)
      |         ^
Language: C++

#include <bits/stdc++.h>
#define _GLIBCXX_DEBUG

using namespace std;
typedef long long ll;

#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define REP(a, b, m) for (ll a = (ll)(b); a < (ll)(m); a++)

int main()
{
  int n;
  cin >>n;
  int a;
  if (n%2==1) a =(n+1)/2;
  else a=n/2;
  cout << fixed <<perseptation(10);
  cout << (double)a/n<<endl; 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:19: error: 'perseptation' was not declared in this scope
   17 |   cout << fixed <<perseptation(10);
      |                   ^~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define _GLIBCXX_DEBUG

using namespace std;
typedef long long ll;

#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define REP(a, b, m) for (ll a = (ll)(b); a < (ll)(m); a++)

int main()
{
  int n;
  cin >>n;
  int a;
  if (n%2==1) a =(n+1)/2;
  else a=n/2;
  cout << fixed <<perseption(10);
  cout << (double)a/n<<endl; 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:19: error: 'perseption' was not declared in this scope
   17 |   cout << fixed <<perseption(10);
      |                   ^~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
  int N;
  cin>>N;
  if(N%2=0){
    cout<<0.5<<endl;
  }
  else{
    double num;
    num=((N-1)/2)+1;
    cout<<num/N<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:7: error: lvalue required as left operand of assignment
    6 |   if(N%2=0){
      |      ~^~
Language: C++

#include<iostream>
using namespace std;
int main(){
  double N;
  cin>>N;
  if(N%2==0){
    cout<<0.5<<endl;
  }
  else{
    double num;
    num=((N-1)/2)+1;
    cout<<num/N<<endl;
  }
}

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
Language: C++

#include<iostream>
using namespace std;
int main(){
  double N;
  cin>>N;
  if(N%2=0){
    cout<<0.5<<endl;
  }
  else{
    double num;
    num=((N-1)/2)+1;
    cout<<num/N<<endl;
  }
}

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
Language: C++

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

int main(){
  double N;
  if(N%2!=0){
    cout<<((N-1)/2+1)/N<<endl;
  }
  else{
    cout<<0.500000000000<<endl;
  }
}
    



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
Language: C++

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

int main(){
  double N;
  if(N%2==0){
    cout<<((N-1)/2+1)/N<<endl;
  }
  else{
    cout<<0.500000000000<<endl;
  }
}
    



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
Language: C

#include<stdio.h>
int main()
{
  float n;
  scanf("%f",&n);
  if(n%2==0)
    printf("0.5000000000");
  else
    printf("0.6000000000");
}

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

    #include <bits/stdc++.h>
    using namespace std;
    int main() {
      double N;
      cin >> N;
      if ((int)N % 2 == 0) {
        cout << 0.5 << endl;
      } else {
        cout << (1+N) / 2 / N);
      }
     
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:9:30: error: expected ';' before ')' token
    9 |         cout << (1+N) / 2 / N);
      |                              ^
      |                              ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
    cout << fixed << setprecision(7);
    int R;
    cin>>R;
  double a;
    if(R%2==1)
    a=((R/2)+1)/R;
    cout<<a<<endl;
    else 
    a=((R/2))/R;
    cout<<a<<endl;
  return 0;
    }


Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'else' without a previous 'if'
   11 |     else
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
    cout << fixed << setprecision(7);
    double R;
    cin>>R;
    if(R%2==1)
    cout<<((R/2)+1)/R<<endl;
    else cout<<((R/2))/R<<endl;
  return 0;
    }


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(R%2==1)
      |        ~^~
      |        | |
      |        | int
      |        double
Language: Java

import java.util.*;

public class Main{
      public static void main(String[] args) {
            Scanner sc = new Scanner(System.in);
            int N = sc.next();
            int M = N / 2;
            if(N % 2 == 0){
              System.out.println((double) 1 / N);
            } else {
              System.out.println((double) M + 1 / N);
            }
        }
}

Compiler output:
Main.java:6: error: incompatible types: String cannot be converted to int
            int N = sc.next();
                           ^
1 error
Language: C++

#include<iostream>

using namespace std;

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

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

#include <iostream>
#include <math.h>
using namespace std;
int main(){
  float n;
  cin >> n;
  if (n%2==0){
    cout << "0.5000000000";
  }
  else{
    if(n==1){
      cout << "1.0000000000";
    }
    else{
      float a =ceil(n/2);
      double b= a/n;
      cout << b;
    }
  }
  return 0;
}
      
      


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

#include <bits/stdc++.h>
using namespace std;
int main(){
  double n;
  cin>>n;
  if(n%2==0) cout<<"0.50000000000"<<endl;
  else cout<<(n/2+1)/n<<endl;
}


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) cout<<"0.50000000000"<<endl;
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

# include <iostream>
using namespace std;
int main(){
  int n;
  cin >> n;
  if (n%2==0){
    cout << "0.5000000000";
  }
  else{
    if (n==1){
      cout << "1.0000000000";
    }else{
      int a=n-1;
      int b=a/2;
      int c= b+1;
      float d=c/n;
      cout << d;
    }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:2: error: expected '}' at end of input
   20 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

# include <iostream>
using namespace std;
int main(){
  int n;
  cin >> n;
  if (n%2==0){
    cout << "0.5000000000";
  }else if (n==1){
    cout << "1.000000000";
  }else{
    int a= n/2;
    int b= a+1;
    double double c= b/n;
    cout << c;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: two or more data types in declaration of 'c'
   13 |     double double c= b/n;
      |     ^~~~~~
a.cc:14:13: error: 'c' was not declared in this scope
   14 |     cout << c;
      |             ^
Language: C++

#include <iostream>
using namespace std;
int main(){
  int n;
  cin >> n;
  if (n%2=0){
    cout << "0.5000000000";
  }
  else if (n==1){
    cout << "1";
  }else{
    int a=n-2;
    int b= a/n;
    cout << b;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: lvalue required as left operand of assignment
    6 |   if (n%2=0){
      |       ~^~
Language: C++

#include <iostream>
using namaspace std;
int main(){
  int n;
  cin >> n;
  if (n%2=0){
    cout << "0.5000000000";
  }
  else if (n==1){
    cout << "1";
  }else{
    int a=n-2;
    int b= a/n;
    cout << b;
  }
  return 0;
}


Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namaspace'
    2 | using namaspace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> n;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:8: error: lvalue required as left operand of assignment
    6 |   if (n%2=0){
      |       ~^~
a.cc:7:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     cout << "0.5000000000";
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout << "1";
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:14:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   14 |     cout << b;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:13:4: error: expected '}' at end of input
   13 |   }
      |    ^
a.cc:3:12: note: to match this '{'
    3 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
typedef long long ll;
int main () {
  double n; cin >> n;
  cout << fixed << setpricision(6);
  if(n%2==0) cout << 0.500000 << endl;
  else cout << (n+1)/2*n << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:20: error: 'setpricision' was not declared in this scope
    7 |   cout << fixed << setpricision(6);
      |                    ^~~~~~~~~~~~
a.cc:8:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    8 |   if(n%2==0) cout << 0.500000 << endl;
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
typedef long long ll;
int main () {
  int n; cin >> n;
  cout << fixed << setpricision(6);
  if(n%2==0) cout << 0.500000 << endl;
  else cout << (n+1)/2*n << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:20: error: 'setpricision' was not declared in this scope
    7 |   cout << fixed << setpricision(6);
      |                    ^~~~~~~~~~~~
Language: C++

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

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

}



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

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

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

}



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

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

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

}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: lvalue required as left operand of assignment
    8 |   if(N%2=0) cout << (N/2)/N << endl;
      |      ~^~
Language: C++

#include <iostream>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: expected primary-expression before '==' token
   10 |   if (N % == 0) {
      |           ^~
Language: C++

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

int main(){
  int N;
  cin >> N;
  if(N%2 == 0){
    cout <<0.5<<endl;
  }
  else {
  cout << ((N.0+1.0)/2.0)/N.0 <<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:14: error: expected ')' before numeric constant
   11 |   cout << ((N.0+1.0)/2.0)/N.0 <<endl;
      |            ~ ^~
      |              )
a.cc:11:37: error: expected ')' before ';' token
   11 |   cout << ((N.0+1.0)/2.0)/N.0 <<endl;
      |           ~                         ^
      |                                     )
Language: C++

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

int main(){
  double N;
  cin >> N;
  if(N%2 == 0){
    cout <<0.5<<endl;
  }
  else {
  cout << ((N.0+1)/2)/N.0 <<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |   if(N%2 == 0){
      |      ~^~
      |      | |
      |      | int
      |      double
a.cc:11:14: error: expected ')' before numeric constant
   11 |   cout << ((N.0+1)/2)/N.0 <<endl;
      |            ~ ^~
      |              )
a.cc:11:33: error: expected ')' before ';' token
   11 |   cout << ((N.0+1)/2)/N.0 <<endl;
      |           ~                     ^
      |                                 )
Language: C++

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

int main() {
  double n;
  cin >> n;
  if (n % 2 == 0) {
    cout << 0.5 << endl;
  }
  else {
    cout << (n + 1) / (2 * 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 == 0) {
      |       ~ ^ ~
      |       |   |
      |       |   int
      |       double
Language: C++

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

int main() {
  double n;
  if (n % 2 == 0) {
    cout << 0.5 << endl;
  }
  else {
    cout << (n + 1) / (2 * n) << endl;
  }
}


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

#include<iostream>
#include <string> // string, to_string, stoi
#include <vector> // vector
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound
#include <utility> // pair, make_pair
#include <tuple> // tuple, make_tuple
#include <cstdint> // int64_t, int*_t
#include <cstdio> // printf
#include <map> // map
#include <queue> // queue, priority_queue
#include <set> // set
#include <stack> // stack
#include <deque> // deque
#include <unordered_map> // unordered_map
#include <unordered_set> // unordered_set
#include <bitset> // bitset
#include <cctype> // isupper, islower, isdigit, toupper, tolower
#include <iomanip>//setprecision
#include<math.h>
#include <functional>
using namespace std;
#define rep(i, n)        for(int i=0; i<(int)(n); ++i)
int main(){ 
long long int a,c;
  cin>>a;
  c=a;
  a/=2;
  double b=c/(a);
  cout<<fixed<<setprecition(12)<<b;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:16: error: 'setprecition' was not declared in this scope
   29 |   cout<<fixed<<setprecition(12)<<b;
      |                ^~~~~~~~~~~~
Language: C

#include<stdio.h>
int main()
{
int a;
float b,c;
  scanf("%d",&a);
  if(a%2==0) {printf("0.500000");}
  else if{
  b=(a-1)/2;
  c=b/a;
  printf("%f",c);
  }
  
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:10: error: expected '(' before '{' token
    8 |   else if{
      |          ^
      |          (
Language: C

#include<stdio.h>
int main()
{
int a;
float b,c;
  scanf("%d",&a);
  if(a%2==0) printf("0.500000");
  else if{
  b=(a-1)/2;
  c=b/a;
  printf("%f",c);
  }
  
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:10: error: expected '(' before '{' token
    8 |   else if{
      |          ^
      |          (
Language: C

#include<stdio.h>
int main()
{
float a,b,c;
  scanf("%f",&a);
  if(a%2==0) printf("0.500000");
  else if{
  b=(a-1)/2;
  c=b/a;
  printf("%f",c);
  }
  
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:7: error: invalid operands to binary % (have 'float' and 'int')
    6 |   if(a%2==0) printf("0.500000");
      |       ^
main.c:7:10: error: expected '(' before '{' token
    7 |   else if{
      |          ^
      |          (
Language: C++

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

int main() {
  int n, cnt;
  double p;
  cin >> n;
  cnt = 0;
  for (i =1; i <=n; ++i){
    if (i%2 != 0) ++cnt;
  }
  p = cnt/n;
  cout << p <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: 'i' was not declared in this scope
    9 |   for (i =1; i <=n; ++i){
      |        ^
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);		
		int a = sc.nextInt();
        if (a%2==0){System.out.println("0.5")}
        else{double ans = (a+1.0)/(2.0*a);
             System.out.println(ans);}
	}
}


Compiler output:
Main.java:6: error: ';' expected
        if (a%2==0){System.out.println("0.5")}
                                             ^
1 error
Language: C++

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

int main() {
  double N;
  cin >>N;
  
  if(N%2 == 0)
    cout << 0.5 << endl;
  
  else
    cout << (N/2+1)/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
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin>>N;
  int K=N/2;
  if(N%2==0){
    cout<<fixed<<precision(10)<<1/2<<endl;
  }
  else{
    cout<<fixed<<precision(10)<<(K+1)/N<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'precision' was not declared in this scope
    8 |     cout<<fixed<<precision(10)<<1/2<<endl;
      |                  ^~~~~~~~~
a.cc:11:18: error: 'precision' was not declared in this scope
   11 |     cout<<fixed<<precision(10)<<(K+1)/N<<endl;
      |                  ^~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
    double n,ans;cin>>n;
    if(n%2==0)ans=0.5;
    else ans=(n+1)/(2*n);
    cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    6 |     if(n%2==0)ans=0.5;
      |        ~^~
      |        | |
      |        | int
      |        double
Language: C

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


Compiler output:
main.c: In function 'main':
main.c:7:11: error: lvalue required as left operand of assignment
    7 |     if(N%2=0){
      |           ^
Language: C

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,i;
	double o=0;
	cin>>n;
	for(i=1;i<=n;i++)
	{
		if(i%2!=0){
			o++;
		}
	}
	cout<<o/n<<endl;
}

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

#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
using vii = vector<vi>;
using vs = vector<string>;
using in6 = int64_t;
using ind = double;
using pii = pair<int,int>;
using psi = pair<string,int>;
using vpi = vector<pii>;
using vps = vector<psi>;
#define rep(i, n) for (in6 i = 0; i < (in6)(n); i++)
#define repa(i,a,n) for(in6 i = a; i < (in6)(n); i++)
#define repdown(i,n) for(in6 i = n; i > 0; i--)
#define kyun ios::sync_with_stdio(false)
#define hinata cout << "\n"
#define all(c) (c).begin(), (c).end()
#define pb push_back
#define inf 2147483647
#define dset(n) cout << fixed << setprecision(n)

int main() {
  kyun;
  dset(10)
  ind a;
  cin >> a;
  ind ans = ((a+1)/2)/a;
  cout << ans;
  hinata;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:3: error: expected ';' before 'ind'
   25 |   ind a;
      |   ^~~
a.cc:26:10: error: 'a' was not declared in this scope
   26 |   cin >> a;
      |          ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
void a(){
 double N;
  cin>>N;
  count.precision(10);
  cout<<(double)(N-N/2)/(double)N<<endl;
  return;
}
int main(){
a();
  return 0;
}



Compiler output:
a.cc: In function 'void a()':
a.cc:6:9: error: overloaded function with no contextual type information
    6 |   count.precision(10);
      |         ^~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
void a(){
 double N;
  cin>>N;
  cout<<(double)(N-N/2)/(double)N<<endl;
}
int main(){
a();
  return 0;
}
}


Compiler output:
a.cc:12:1: error: expected declaration before '}' token
   12 | }
      | ^
Language: C++

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

}
}


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
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
 double N;
  cin>>N;
  if(N%2.0==1){
  cout<<((N+1)/2)/N<<endl;
  }
else{
cout<<N/2/N<<endl;

}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:7: error: invalid operands of types 'double' and 'double' to binary 'operator%'
    6 |   if(N%2.0==1){
      |      ~^~~~
      |      | |
      |      | double
      |      double
Language: C++

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

}
}


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==1){
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

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

}
}


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>=1){
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

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

signed main(){
    double N;
    if(N%2==0){
        cout <<0.5<<endl;
    }
    else{
        double ans=(N+1)/2.0/N;
        cout <<ans<<endl;
    }
}

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

using namespace std;
#include <bits/stdc++.h>
#define rep(i, s) for (int i = 0; i < s; ++i)
#define repr(i, n) for(int i = n; i >= 0; i--)
#define FOR(i, m, n) for(int i = m; i < n; i++)
#define all(v) (v.begin(), v.end())
#define EACH(i, s) for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i)
#define VEC(a, n) vector<int>a(n)
#define PQ(a) priority_queue<int>a
#define PQmin(a) priority_queue< int, :vector<int>, greater<int> >a
#define PAIR pair<int, int>
typedef long long ll;
typedef pair<ll, ll> l_l;
typedef pair<int, int> i_i;
#define EPS (1e-7)
#define INF (1e10)
#define PI (acos(-1))
const ll mod = 1000000007;
bool f(string s){
  bool ans=true;
  rep(i,s.size()/2){
    if(s[i]!=s[s.size()/2+i]){
      ans=false;
      break;
    }
  }
  return ans;
}

int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  double N;
  cin>>N;
  if(N%2==0)
    cout<<1/2<<endl;
  else
    cout<<(N+1)/2/N<<endl;
  


}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   35 |   if(N%2==0)
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

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

int main() 
{
    int N;
    cin >> N;
    
    double A = round(N / 2.0);
    cout << fixed << setprecision(10);
    cout << A / N << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:22: error: 'setprecision' was not declared in this scope
   14 |     cout << fixed << setprecision(10);
      |                      ^~~~~~~~~~~~
a.cc:6:1: note: 'std::setprecision' is defined in header '<iomanip>'; this is probably fixable by adding '#include <iomanip>'
    5 | #include <iostream>
  +++ |+#include <iomanip>
    6 | using namespace std;
Language: C++

#define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,N) for(int i = 0;i < (int)(N);i++)
int main(){
  double n;
  cin>>n;
  double ans=0.5;
  if(n%2==1) ans=(n+1)/2/n;
  cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   10 |   if(n%2==1) ans=(n+1)/2/n;
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

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

int main(){
  double n;
  cin>>n;
  if(n%2.0==0) cout<<1/2<<endl;
  else cout<<(n+1)/(2*n)<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: invalid operands of types 'double' and 'double' to binary 'operator%'
    7 |   if(n%2.0==0) cout<<1/2<<endl;
      |      ~^~~~
      |      | |
      |      | double
      |      double
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |   if(n%2==0) cout<<1/2<<endl;
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

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

int main(){
  int n;
  cin >> n;
  cout << fixed << setprecision(10)
  cout << (double)(n-n/2)/(double)(n) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:36: error: expected ';' before 'cout'
    7 |   cout << fixed << setprecision(10)
      |                                    ^
      |                                    ;
    8 |   cout << (double)(n-n/2)/(double)(n) << endl;
      |   ~~~~
Language: C++

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

int main() {
  double n;
  cin >> n;
  if(n%2==0){
    cout << n/2.0 << endl;
  }else{
    cout << (n+1.0)/2.0;
  }
}


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

#include<string>
#include<iostream>
#include <algorithm>
#include<vector>
#include<functional>
#include <cstdlib>
#include <iomanip>
#include <cmath>
#define ll long long
using namespace std;



int main(){
  double N;
  double ANS;
  cin>>N;
  if(N%2.0==0) ANS=(N/2.0)/N;
  else ANS=((N+1.0)/2.0)/N;
  cout<<setprecision(9)<<ANS<<endl;

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:18:7: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   18 |   if(N%2.0==0) ANS=(N/2.0)/N;
      |      ~^~~~
      |      | |
      |      | double
      |      double
Language: C++

#include<string>
#include<iostream>
#include <algorithm>
#include<vector>
#include<functional>
#include <cstdlib>
#include <iomanip>
#include <cmath>
#define ll long long
using namespace std;



int main(){
  double N;
  double ANS;
  cin>>N;
  if(N%2==0) ANS=(N/2)/N;
  else ANS=((N+1)/2)/N;
  cout<<setprecision(9)<<ANS<<endl;

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:18:7: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   18 |   if(N%2==0) ANS=(N/2)/N;
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

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

int main(){
  double N;
  cin >> N;
  
  if(N%2==1){
    cout << (N/2+1)/N << endl;
  } 
  else{
    cout << (N/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==1){
      |      ~^~
      |      | |
      |      | int
      |      double
Language: C++

#include <bits/stdc++.h>
#define rep(i, a, b) for (int i = a; i < (int)(b); ++i)

using namespace std;

void main(void) {
	int s;
	cin >> s;
	if ((s % 2) == 0) {
		cout << 0.5;
		return;
	}
	double r = s;

	cout << (r - ((r - 1) / 2)) / r;
	return;
}

Compiler output:
a.cc:6:1: error: '::main' must return 'int'
    6 | void main(void) {
      | ^~~~
a.cc: In function 'int main()':
a.cc:11:17: error: return-statement with no value, in function returning 'int' [-fpermissive]
   11 |                 return;
      |                 ^~~~~~
a.cc:16:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   16 |         return;
      |         ^~~~~~
Language: C++


#include <bits/stdc++.h>

using namespace std;

void main(void) {
	int s;
	cin >> s;
	if ((s % 2) == 0) {
		cout << 0.5;
		return;
	}
	double r = s;

	cout << (r - ((r - 1) / 2)) / r;
	return;
}

Compiler output:
a.cc:6:1: error: '::main' must return 'int'
    6 | void main(void) {
      | ^~~~
a.cc: In function 'int main()':
a.cc:11:17: error: return-statement with no value, in function returning 'int' [-fpermissive]
   11 |                 return;
      |                 ^~~~~~
a.cc:16:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   16 |         return;
      |         ^~~~~~
Language: C++

#include <bits/stdc++.h>
 using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
 int main(){
  double a,b;
   cin>>a;
   if(a%2==0){
   b=(a-a/2)/a;
   }
   else{
   b=(a-(a-1)/2)/a;
   }
  cout<<b<<endl;
}


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

#include <bits/stdc++.h>
 using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
 int main(){
  int a;
   double v;
   cin >>a;
   v=(a-a/2)/a
   cout<<v<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: expected ';' before 'cout'
    8 |    v=(a-a/2)/a
      |               ^
      |               ;
    9 |    cout<<v<<endl;
      |    ~~~~
Language: C++

#include <bits/stdc++.h>
 using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
 int main(){
  int a,v;
   cin >>a;
   v=a-a/2
   cout<<b/a<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected ';' before 'cout'
    7 |    v=a-a/2
      |           ^
      |           ;
    8 |    cout<<b/a<<endl;
      |    ~~~~
Language: C++

#include <iostream>
#Include <iomanip>

using namespace std;

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

  	int tmp = (N + 1)/ 2;

	cout << fixed << setprecision(10) << double(tmp) / double(N) << endl;
}

Compiler output:
a.cc:2:2: error: invalid preprocessing directive #Include; did you mean #include?
    2 | #Include <iomanip>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:12:26: error: 'setprecision' was not declared in this scope
   12 |         cout << fixed << setprecision(10) << double(tmp) / double(N) << 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 | #Include <iomanip>
Language: C++

#include<bits/stdc++.H>
using namespace std;
typedef long long int ll;
int main()
{
  ll n;
  cin>>n;
  if(n%2==0)
  {
      cout<<(double)((1.0*n)/(n*2));
  }
  else
  {
      cout<<(double)(1.0*((n/2)+1))/n;
  }
}


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

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

int main() {
  int N;
  cin >> N;
  if (N%2 == 0) cout << 0.5 << endl;
  else cout << (N-1)/2/N(double) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:26: error: expected primary-expression before 'double'
    8 |   else cout << (N-1)/2/N(double) << endl;
      |                          ^~~~~~
a.cc:8:32: error: 'N' cannot be used as a function
    8 |   else cout << (N-1)/2/N(double) << endl;
      |                                ^
Language: C++

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

int main() {
  double N;
  cin >> N;
  if (N%2.0 == 0) cout << 0.5 << endl;
  else cout << (N-1)/2/N << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: invalid operands of types 'double' and 'double' to binary 'operator%'
    7 |   if (N%2.0 == 0) cout << 0.5 << endl;
      |       ~^~~~
      |       | |
      |       | double
      |       double
Language: C++

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

int main() {
  double N;
  cin >> N;
  if (N%2 == 0) cout << 0.5 << endl;
  else cout << (N-1)/2/N << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |   if (N%2 == 0) cout << 0.5 << endl;
      |       ~^~
      |       | |
      |       | int
      |       double
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <iomanip>
using namespace std;

int main()
{
    int n;
    cin >> n;
    cout << setprecision(20) << (double)n / (double)(2 * n)) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:60: error: expected ';' before ')' token
   12 |     cout << setprecision(20) << (double)n / (double)(2 * n)) << endl;
      |                                                            ^
      |                                                            ;
Language: C

#include <stdio.h>

int main()
{
  int N;
  scanf("%d",&N);
  if (A > 1 && A % 2 == 0)
  {
     printf("0.5");
  }
  else if (A > 1 && A % 2 != 0)
  {
    printf("0.6");
  }
  else
  {
    printf("1");
  }
}

Compiler output:
main.c: In function 'main':
main.c:7:7: error: 'A' undeclared (first use in this function)
    7 |   if (A > 1 && A % 2 == 0)
      |       ^
main.c:7:7: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main(){
  int N;
  cin >> N;
  int count;
  double ans;
  if (N / 2 == 0){
    count = N / 2;
  }
  else{
    count = (N + 1) / 2;
  }
  cout << fixed << seprecision(6);
  cout << count / N << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:20: error: 'seprecision' was not declared in this scope
   15 |   cout << fixed << seprecision(6);
      |                    ^~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a;
  cin >> a;
  double ans;
  if(a % 2 == 0){
    ans = 1 / 2;
  } else { 
    ans = (double)(a+1) / (double)2 / (double)a;
  }
  cout << setpresicion(10) << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:11: error: 'setpresicion' was not declared in this scope
   12 |   cout << setpresicion(10) << ans << endl;
      |           ^~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a;
  cin >> a;
  double ans;
  if(a % 2 == 0){
    ans = 1 / 2;
  } else { 
    ans = (double)(a+1) / (double)2 / (double)a;
  }
  cout << setpresiction(10) << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:11: error: 'setpresiction' was not declared in this scope
   12 |   cout << setpresiction(10) << ans << endl;
      |           ^~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
  int n;
  cin >> n;
  double ans = static_cast<double>((a+1)/2)/static_cast<double>(a);
  printf("%.10f\n", ans);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:37: error: 'a' was not declared in this scope
    7 |   double ans = static_cast<double>((a+1)/2)/static_cast<double>(a);
      |                                     ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int a;
  cin>>a;
  double ans;
  if(a%2==0)ans=0.5;
  else{
    int x=(a/2)+1;
    double y=x;
    ans=y/ans;
  }
  cout<ans<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: invalid operands of types 'double' and '<unresolved overloaded function type>' to binary 'operator<<'
   13 |   cout<ans<<endl;
      |        ~~~^~~~~~
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:7:12: error: invalid operands of types 'double' and 'int' to binary 'operator%'
    7 |   ans-=(ans%1)
      |         ~~~^~
      |         |   |
      |         |   int
      |         double
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:15: error: 'n' was not declared in this scope
    6 |   double ans=(n+1)/2;
      |               ^