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

#include<bits/stdc++.h>
using namespace std;
typedef long int ll;
int main()
{
  ll n; cin>>n;
  ll double a[n];
  for(int i = 0 ; i < n ; i++)
    cin>>a[i];
  sort(a,a+n);
  ll ans = 0;
  for(int i = 1; i < n ; i++)
  {
    a[0]+=a[i];
    a[0]/=2;
  }
  cout<<a[0]<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: two or more data types in declaration of 'a'
    7 |   ll double a[n];
      |   ^~
a.cc:9:10: error: 'a' was not declared in this scope
    9 |     cin>>a[i];
      |          ^
a.cc:10:8: error: 'a' was not declared in this scope
   10 |   sort(a,a+n);
      |        ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define M 1000000007
#define N 1000016
#define ff first.first
#define fs first.second
#define sf second.first
#define ss second.second
#define f first
#define s second
#define inf 9000000000000000000

int main()
{
    // ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
   vector<double> v;
   ll n;
   cin>>n;
   for(ll i=0; i<n; i++) {
        cin>>x;
        v.push_back(x);
   }
   
   double ans = (v[i]+v[i+1])/2;
   for(ll i=2; i<n; i++) {
        ans = (ans + v[i])/2l 
   }
   
   cout<<fixed<<setprecision(10)<<ans<<"\n";

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:14: error: 'x' was not declared in this scope
   22 |         cin>>x;
      |              ^
a.cc:26:20: error: 'i' was not declared in this scope
   26 |    double ans = (v[i]+v[i+1])/2;
      |                    ^
a.cc:28:30: error: expected ';' before '}' token
   28 |         ans = (ans + v[i])/2l
      |                              ^
      |                              ;
   29 |    }
      |    ~
Language: Java


import java.util.Arrays;
import java.util.Scanner;

public class Alchemist
{
    public static void main(String []args)
    {
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        double arr[]=new double[n];
        double sum=0;
        for (int i=0;i<n;i++)
        {
            arr[i]=sc.nextDouble();

        }
        Arrays.sort(arr);
        sum=arr[0];
 for (int i=0;i<n-1;i++)

            sum=(sum+arr[i+1])/2;

        System.out.println(sum);
    }
}


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

#include <stdio.h>
#include <stdlib.h>
#define N 50

int compare(const void *a, const void *b) {
	int x =(int) a;
  int y= (int) b;
  if(*x<*y)
  {
    return(-1);
  }
  if(*x>*y)
  {
    return(1);
  }
  return 0;
}
int main()
{
  int  v[N];
 int n, i;
	float p;
	scanf("%d", &n);
	for (i = 0; i < n; i++)
		scanf("%f", &v[i]);
	qsort(v, n, sizeof *v, compare);
  for(i=1;i<n;i++)
  {
  printf("%f",v[i]);
  }
	p = v[0];
	for (i = 1; i < n; i++)
		p = (p + v[i]) / 2;
	printf("%f\n", p);
	return 0;
}


Compiler output:
main.c: In function 'compare':
main.c:6:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    6 |         int x =(int) a;
      |                ^
main.c:7:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    7 |   int y= (int) b;
      |          ^
main.c:8:6: error: invalid type argument of unary '*' (have 'int')
    8 |   if(*x<*y)
      |      ^~
main.c:8:9: error: invalid type argument of unary '*' (have 'int')
    8 |   if(*x<*y)
      |         ^~
main.c:12:6: error: invalid type argument of unary '*' (have 'int')
   12 |   if(*x>*y)
      |      ^~
main.c:12:9: error: invalid type argument of unary '*' (have 'int')
   12 |   if(*x>*y)
      |         ^~
Language: C

#include <stdio.h>
#include <stdlib.h>
#DEFINE N 50

  static int compare (void const *a, void const *b)
{

   int const *pa = a;
   int const *pb = b;
   return *pa - *pb;

}

int main()
{
 float  v[N]
 int n, i;
	float p;
 
	scanf("%d", &n);
	for (i = 0; i < n; i++)
		scanf("%d", &v[i]);
	qsort(v, n, sizeof *v, compare);
	x = v[0];
	for (i = 1; i < n; i++)
		x = (p + v[i]) / 2;
	printf("%f\n", p);
	return 0;
}

Compiler output:
main.c:3:2: error: invalid preprocessing directive #DEFINE
    3 | #DEFINE N 50
      |  ^~~~~~
main.c: In function 'main':
main.c:16:11: error: 'N' undeclared (first use in this function)
   16 |  float  v[N]
      |           ^
main.c:16:11: note: each undeclared identifier is reported only once for each function it appears in
main.c:16:13: error: expected ';' before 'int'
   16 |  float  v[N]
      |             ^
      |             ;
   17 |  int n, i;
      |  ~~~         
main.c:22:30: error: 'v' undeclared (first use in this function)
   22 |                 scanf("%d", &v[i]);
      |                              ^
main.c:24:9: error: 'x' undeclared (first use in this function)
   24 |         x = v[0];
      |         ^
Language: C

#include <stdio.h>
#include <stdlib.h>

#define N 50
}

int main() {
	static int v[N];
	int n;
	double p;
	scanf("%d", &n);
	for (int i = 0; i < n; i++)
		scanf("%d", &v[i]);
	p = v[0];
	for (i = 1; i < n; i++)
		p = (p+ v[i]) / 2;
	printf("%f\n", p);
	return 0;
}


Compiler output:
main.c:5:1: error: expected identifier or '(' before '}' token
    5 | }
      | ^
main.c: In function 'main':
main.c:15:14: error: 'i' undeclared (first use in this function)
   15 |         for (i = 1; i < n; i++)
      |              ^
main.c:15:14: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<math.h>
int main ()
{
  int N;
  int* v=NULL;
  float ,potion=0,p=0;
  scanf("%d",&N);
  printf("\n");
  v=malloc(N*sizeof(int));
  for(int i=0;i<N;i++)
  {
    scanf("%d",&v[i]);
    p=(v[i]+v[i+1])/2;
    i++;
    potion+=(p+v[i])/2;
  }
  printf("\n%f",p);
  return 0;

}


Compiler output:
main.c: In function 'main':
main.c:8:9: error: expected identifier or '(' before ',' token
    8 |   float ,potion=0,p=0;
      |         ^
main.c:15:5: error: 'p' undeclared (first use in this function)
   15 |     p=(v[i]+v[i+1])/2;
      |     ^
main.c:15:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:17:5: error: 'potion' undeclared (first use in this function)
   17 |     potion+=(p+v[i])/2;
      |     ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, x, n) for(ll i = x; i < n; i++) 
#define pb push_back
#define ll long long
#define hii cout << "hii" << endl
#define pii pair<int, int>
#define pll pair<ll, ll>
#define int ll
#define mpp make_pair
#define endl '\n'
#define ff first 
#define ss second
#define all(s) s.begin(), s.end()
#define fuck_you_scanf ios_base:: sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define si size()
 
const int N = 1e6 + 5;
bool visited[N];

int32_t main()
{
    int n;
    cin >> n;
    multiset<long double> m;
    for(int i = 0; i < n; i++)
    {
        long double data;
        cin >> data;
        m.insert(data);
    }
    int t = n - 1;
    while(t--)
    {
        auto it1 = m.begin();
        auto it2 = it1;
        it2++;
        int a = *it1;
        int b = *it2;
        m.erase(it1);
        m.erase(it2);
        m.insert(((a + b) * 1.0) / 2.0);
    }
    std::cout << std::setprecision(5) << *m.begin(); << '\n';
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:44:54: error: expected primary-expression before '<<' token
   44 |     std::cout << std::setprecision(5) << *m.begin(); << '\n';
      |                                                      ^~
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<math.h>
int main ()
{
  int N;
  float* vi=NULL;
  float potion=0;
  scanf("%d",&N);
  vi=malloc(N*sizeof(float));
  for(int i=0;i<N;i++)
  {
    scanf("%f",&vi[i]);
    potion+=(vi[i]+v[i+1])/2;
  }
  printf("%f",potion);
  return 0;

}


Compiler output:
main.c: In function 'main':
main.c:14:20: error: 'v' undeclared (first use in this function)
   14 |     potion+=(vi[i]+v[i+1])/2;
      |                    ^
main.c:14:20: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<bits/stdc++.h>
#define REP(i,N) for (int i=0;i<(N); ++i)
#define ALL(x) (x).begin(), (x).end()
#define MOD 1000000007
#define PB push_back
#define MP make_pair
using namespace std;
typedef long long ll;
ll gcd(ll x,ll y){return y?gcd(y,x%y):x;}

int main(){
    int N;
    cin >>N;
    vector<double>v(N);
    REP(i,N) cin >>v(i);
    //vector<double>val(N);
    sort(ALL(v))
    double val=v(i);
    REP(i,N-1) val=(val+v(i+1))/2;
    cout<<val<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:21: error: no match for call to '(std::vector<double>) (int&)'
   15 |     REP(i,N) cin >>v(i);
      |                    ~^~~
a.cc:17:17: error: expected ';' before 'double'
   17 |     sort(ALL(v))
      |                 ^
      |                 ;
   18 |     double val=v(i);
      |     ~~~~~~       
a.cc:19:16: error: 'val' was not declared in this scope
   19 |     REP(i,N-1) val=(val+v(i+1))/2;
      |                ^~~
a.cc:19:26: error: no match for call to '(std::vector<double>) (int)'
   19 |     REP(i,N-1) val=(val+v(i+1))/2;
      |                         ~^~~~~
a.cc:20:11: error: 'val' was not declared in this scope
   20 |     cout<<val<<endl;
      |           ^~~
Language: Java

class Main {
    public static void main(String[] args) throws java.lang.Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        double[] v = new double[n];
        for (int i = 0; i < n; i++) {
            v[i] = sc.nextDouble();
        }
        Arrays.sort(v);
        for (int i = 0; i < n - 1; i++) {
            v[i + 1] = (v[i] + v[i + 1]) / 2d;
        }
        System.out.println(v[n - 1]);
        sc.close();
    }
}


Compiler output:
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
Main.java:9: error: cannot find symbol
        Arrays.sort(v);
        ^
  symbol:   variable Arrays
  location: class Main
3 errors
Language: C

#include <iostream>
#include <algorithm>
#include <iomanip>

using namespace std;
const int MAXN = 51;

int n;
double v[MAXN];

void solve() {
  sort(v, v + n);
  double value = (v[0] + v[1]) / 2.0;
  for (int i=2;i<n;i++) {
    value = (value + v[i]) / 2.0;
  }
  cout << setprecision(10) << value << endl;
}

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


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

using System;
using System.Linq;
using System.Collections.Generic;
public class Hello{
    public static void Main(){
        var N = int.Parse(Console.ReadLine());
        var a = Console.ReadLine().Split(' ').Select(double.Parse).ToList();
        a.Sort();
        var ans = a[0];
        
        for(var i = 1; i < N;i++){
            ans = (ans + a[i]) / 2;
        }
        Console.WriteLine(ans);
    }
}


Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Linq;
      |       ^~~~~~
a.cc:3:7: error: expected nested-name-specifier before 'System'
    3 | using System.Collections.Generic;
      |       ^~~~~~
a.cc:4:1: error: expected unqualified-id before 'public'
    4 | public class Hello{
      | ^~~~~~
Language: C++

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

int c(){
    int n;
    cin >> n;
    vector<double> v(n);
    while( n>0){
        int t;
        cin >> t;
        v.at(n-1) = t;
        n--;
    }
    std::sort(v.begin(),v.end());
    double m=0;
    for( auto e = v.begin(); e!= v.end(); ++e){
        if( e==v.begin())
            m = *e;
        else
            m = (m + *e)/2.0;
    }
    cout << fixed << setprecision(10) << m << endl;

    return 0;
}

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

#include <bits/stdc++.h>

using namespace std;

#define forsn(i, s, n) for(int i=s;i<int(n);i++)
#define forn(i, n) forsn(i, 0, n)
#define all(v) v.begin(), v.end()

typedef long long tint;

const tint MOD = 1000000007;

int main(){
	int n; cin >> n; vector<double> a (n);
	forn(i, n) cin >> a[i];
	sort(a.rbegin(), a.raend());
	while(a.size() > 1){
		double x = (a[a.size()-1]+a[a.size()-2])/2;
		a.pop_back(); a.pop_back();
		a.push_back(x);
	}
	cout << a[0] << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:16:28: error: 'class std::vector<double>' has no member named 'raend'; did you mean 'rend'?
   16 |         sort(a.rbegin(), a.raend());
      |                            ^~~~~
      |                            rend
Language: C++

#include <iostream>

int main(){
  int i, n;
  double val[1000], tmp;
  
  cin >> n;
  for(i = 0; i < n; i++)
    cin >> val[i];
  
  for(i = 0; i < n; i++){
    for(int j = n - 1; j > i; j--){
      if(val[j] < val[j - 1]){
        tmp = val[j];
        val[j] = val[j - 1];
        val[j - 1] = tmp;
      }
    }
  }
  i = 0;
  while( i + 1 != n){
  	val[i + 1] = (val[i] + val[i + 1]) / 2;
  }
  
  printf("%f\n", val[n - 1]);
  
  return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin >> n;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
Language: C

#include <stdio.h>

int main(){
  int i, n;
  double val[1000], tmp;
  
  scanf("%d", &n);
  for(i = 0; i < n; i++)
    scanf("%lf", &val[i]);
  
  for(i = 0; i < n; i++){
    for(int j = n - 1; j > i; j--){
      if(val[j] < val[j - 1]){
        temp = val[j];
        val[j] = val[j - 1];
        val[j - 1] = tmp;
      }
    }
  }
  i = 0;
  while( i + 1 != n){
  	val[i + 1] = (val[i] + val[i + 1]) / 2;
  }
  
  printf("%f\n", val[n - 1]);
  
  return 0;
}




Compiler output:
main.c: In function 'main':
main.c:14:9: error: 'temp' undeclared (first use in this function); did you mean 'tmp'?
   14 |         temp = val[j];
      |         ^~~~
      |         tmp
main.c:14:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <bits/stdc++.h>
#define ll long long
using namespace std;
#define rep(i,j) for(int i=0;i<j;i++)
int main(void)
{
	ll N;
	int v[50];
	double ans;
	cin>>N;
	rep(i,N) cin>>v[i];
	sort(v,v+N);
	ans=v[0];
	rep(i,N-1)
		ans=(ans+v[i+1])/2.0;
	}
	cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc:17:9: error: 'cout' does not name a type
   17 |         cout<<ans<<endl;
      |         ^~~~
a.cc:18:5: error: expected unqualified-id before 'return'
   18 |     return 0;
      |     ^~~~~~
a.cc:19:1: error: expected declaration before '}' token
   19 | }
      | ^
Language: Java

public class Main {

	public static void main(String[] args){
		Scanner sc  = new Scanner(System.in);
		int N = sc.nextInt();
		double[] v= new double[N];
		double ans=0;

		for(int i=0;i<N;i++){
			v[i] = sc.nextDouble();
		}

		//ここでｖの中身を昇順にソート

		Arrays.sort(v);

		//答えを求める

		ans = v[0]
		for(int j=1;j<N-1;j++){
			ans=(ans+v[i+1])/2
		}


}

Compiler output:
Main.java:19: error: ';' expected
		ans = v[0]
		          ^
Main.java:21: error: ';' expected
			ans=(ans+v[i+1])/2
			                  ^
Main.java:25: error: reached end of file while parsing
}
 ^
3 errors
Language: C

#include<std.io>

int asc(const void *a, const void *b) {
  return *(int *)a - *(int *)b;
}


int main(void){
  int n;
  scanf("%d", n);
  int v[n];
  
  for(int i = 0; i < n; i++){
    scanf("%d", &v[i]);
  }
 
  qsort(v, sizeof(v) / sizeof(int), sizeof(int), asc);
  
  double sum;
  for(int i = 0; i < n; i++){
    sum += v[i];
    if(i != 0){
      sum /= 2;
    }
  }
  printf("%f", sum);
  return 0;
}

Compiler output:
main.c:1:9: fatal error: std.io: No such file or directory
    1 | #include<std.io>
      |         ^~~~~~~~
compilation terminated.
Language: Java

import java.util.*;
class Main{
	public static void main(String args[]){
    	Scanner sc = new Scanner(System.in);
      	int n = sc.nextInt();
      	ArrayList<Double> list = new ArrayList<Double>();
      	list.add(sc.nextInt());
      	for(int i=1;i<n;i++){
        	double a = (double)(sc.nextInt());
          	for(int j=0;j<=list.size();j++){
              	if(list.size()==j){
                	list.add(a);
                  	break;
                }
            	if(a<list.get(j)){
                	list.add(j,a);
                  	break;
                }
            }
        }
      	while(list.size()!=1){
          double a = list.get(0);
          double b = list.get(1);
          list.remove(0);list.remove(0);
          list.add(0,(a+b)/2);
        }
      	System.out.println(list.get(0));
    }
}

Compiler output:
Main.java:7: error: incompatible types: int cannot be converted to Double
      	list.add(sc.nextInt());
      	                   ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error
Language: Java

import java.util.*;
class Main{
	public static void main(String args[]){
    	Scanner sc = new Scanner(System.in);
      	int n = sc.nextInt();
      	ArrayList<Double> list = new ArrayList<Double>();
      	list.add(sc.nextInt());
      	for(int i=1;i<n;i++){
        	double a = (double)(sc.nextInt());
          	for(int j=0;j<=list.size();j++){
              	if(list.size()==j){
                	list.add(a);
                  	break;
                }
            	if(a<list.get(j)){
                	list.add(j,a);
                  	break;
                }
            }
        }
      	while(list.size()!=1){
          int a = list.get(0);
          int b = list.get(1);
          list.remove(0);list.remove(0);
          list.add(0,(a+b)/2);
        }
      	System.out.println(list.get(0));
    }
}

Compiler output:
Main.java:7: error: incompatible types: int cannot be converted to Double
      	list.add(sc.nextInt());
      	                   ^
Main.java:22: error: incompatible types: Double cannot be converted to int
          int a = list.get(0);
                          ^
Main.java:23: error: incompatible types: Double cannot be converted to int
          int b = list.get(1);
                          ^
Main.java:25: error: incompatible types: int cannot be converted to Double
          list.add(0,(a+b)/2);
                          ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
4 errors
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
    int N;
    double a;
    vector<double> table;
    cin >> N;
    for(int i=0;i<N;i++){
        cin >> a;
        table.push_back(a);
    }
    for(int i=0;i<N-1;i++){
        sort(table.begin(),table.end());
        double min=table[0];
        double min2=table[1];
        table.push_back((min+min2)/2.0);
        table.erase(table.begin());
        table.erase(table.begin());
    }
    cout << table[0];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |         sort(table.begin(),table.end());
      |         ^~~~
      |         short
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
    int N;
    double a;
    vector<double> table;
    cin >> N;
    for(int i=0;i<N;i++){
        cin >> a;
        table.push_back(a);
    }
    for(int i=0;i<N-1;i++){
        sort(table.begin(),table.end());
        double min=table[0];
        double min2=table[1];
        cout << min << " " << min2 << "\n";
        cout <<(min+min2)/2.0 << "\n";
        table.push_back((min+min2)/2.0);
        table.erase(table.begin());
        table.erase(table.begin());
    }
    cout << table[0];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |         sort(table.begin(),table.end());
      |         ^~~~
      |         short
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
    int N;
    double a;
    vector<double> table;
    cin >> N;
    for(int i=0;i<N;i++){
        cin >> a;
        table.push_back(a);
    }
    for(int i=0;i<N-1;i++){
        double min=*std::min_element(table.begin(),table.end());
        table.erase(std::min_element(table.begin(),table.end()));
        double min2=*std::min_element(table.begin(),table.end());
        table.erase(std::min_element(table.begin(),table.end()));
        table.push_back((min+min2)/2.0);
    }
    cout << table[0];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:26: error: 'min_element' is not a member of 'std'; did you mean 'tuple_element'?
   14 |         double min=*std::min_element(table.begin(),table.end());
      |                          ^~~~~~~~~~~
      |                          tuple_element
a.cc:15:26: error: 'min_element' is not a member of 'std'; did you mean 'tuple_element'?
   15 |         table.erase(std::min_element(table.begin(),table.end()));
      |                          ^~~~~~~~~~~
      |                          tuple_element
a.cc:16:27: error: 'min_element' is not a member of 'std'; did you mean 'tuple_element'?
   16 |         double min2=*std::min_element(table.begin(),table.end());
      |                           ^~~~~~~~~~~
      |                           tuple_element
a.cc:17:26: error: 'min_element' is not a member of 'std'; did you mean 'tuple_element'?
   17 |         table.erase(std::min_element(table.begin(),table.end()));
      |                          ^~~~~~~~~~~
      |                          tuple_element
Language: C++

#include<iostream>
#include<vector>
using namespace std;
int main(){
    int N;
    double a;
    vector<double> table;
    cin >> N;
    for(int i=0;i<N;i++){
        cin >> a;
        table.push_back(a);
    }
    for(int i=0;i<N-1;i++){
        double min=*min_element(table.begin(),table.end());
        table.erase(min_element(table.begin(),table.end()));
        double min2=*min_element(table.begin(),table.end());
        table.erase(min_element(table.begin(),table.end()));
        table.push_back((min+min2)/2.0);
    }
    cout << table[0];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:21: error: 'min_element' was not declared in this scope
   14 |         double min=*min_element(table.begin(),table.end());
      |                     ^~~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;

int main(){
  int N;
  double maxn;
  cin >> N;
  double a[N];
  
  for(int i=0;i<N;i++){
    cin >> a[i];
  }
   sort(a,a+N);

   maxn = (a[0]+a[1])/2;
   
  for(int i=1;i<N-1;i++){
    maxn = (maxn+a[i+1])/2;
    }
  cout << maxn << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:4: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |    sort(a,a+N);
      |    ^~~~
      |    short
Language: C++

#include <bits/stdc++.h>
#define endl "\n"
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using ll = long long;
const int INF = 0x3f3f3f3f;
using namespace std;

int n;
double arr[51];
int main() {
    IOS
    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> arr[i];
    }
    
    sort(arr, arr+n);
    for (int i = 1; i < n; ++i) {
        arr[i] = (arr[i]+arr[i-1])/2;
    }
    cout.presicion(5);
    cout << fixed << arr[n-1] << endl;

    return 0;


}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:10: error: 'std::ostream' {aka 'class std::basic_ostream<char>'} has no member named 'presicion'; did you mean 'precision'?
   21 |     cout.presicion(5);
      |          ^~~~~~~~~
      |          precision
Language: C++

#include <iostream>
#include <vector>

using namespace std;
int main(){
  int n;
  double val[1000];
  
  cin >> n;
  for(int i = 0; i < n; i++)
    cin >> val[i];
  
  sort(val, val + n );
  
  for(int i = 0; i + 1 != val.length; i++)
    val[i + 1] = (val[i] + val[i + 1]) / 2;
  
  cout << val[n - 1] << endl;
  
  return 0;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(val, val + n );
      |   ^~~~
      |   short
a.cc:15:31: error: request for member 'length' in 'val', which is of non-class type 'double [1000]'
   15 |   for(int i = 0; i + 1 != val.length; i++)
      |                               ^~~~~~
Language: C++

#include <iostream>
#include <vector>

using namespace std;
int main(){
  int n;
  double val;
  
  cin >> n;
  for(int i = 0; i < n; i++)
    cin >> val[i];
  
  sort(val, val + n );
  
  for(int i = 0; i + 1 != val.length; i++)
    val[i + 1] = (val[i] + val[i + 1]) / 2;
  
  cout << val[n - 1] << endl;
  
  return 0;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: invalid types 'double[int]' for array subscript
   11 |     cin >> val[i];
      |               ^
a.cc:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(val, val + n );
      |   ^~~~
      |   short
a.cc:15:31: error: request for member 'length' in 'val', which is of non-class type 'double'
   15 |   for(int i = 0; i + 1 != val.length; i++)
      |                               ^~~~~~
a.cc:16:8: error: invalid types 'double[int]' for array subscript
   16 |     val[i + 1] = (val[i] + val[i + 1]) / 2;
      |        ^
a.cc:16:22: error: invalid types 'double[int]' for array subscript
   16 |     val[i + 1] = (val[i] + val[i + 1]) / 2;
      |                      ^
a.cc:16:31: error: invalid types 'double[int]' for array subscript
   16 |     val[i + 1] = (val[i] + val[i + 1]) / 2;
      |                               ^
a.cc:18:14: error: invalid types 'double[int]' for array subscript
   18 |   cout << val[n - 1] << endl;
      |              ^
Language: C++

#include <iostream.h>
#include <vector.h>

using namespace std;
int main(){
  int n;
  double val;
  
  cin >> n;
  for(int i = 0; i < n; i++)
    cin >> val[i];
  
  sort(val, val + n );
  
  for(int i = 0; i + 1 != val.length; i++)
    val[i + 1] = (val[i] + val[i + 1]) / 2;
  
  cout << val[n - 1] << endl;
  
  return 0;
}
  

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

#include <iostream.h>
#include <vector.h>

using namespace std;
int main(){
  int n;
  double val;
  
  cin >> n;
  for(int i = 0; i < n; i++)
    cin >> val[i];
  
  sort(val, val + n );
  
  for(int i = 0; i + 1 != val.length; i++)
    val[i + 1] = (val[i] + val[i + 1]) / 2;
  
  cout << val[n - 1] << endl;
}
  

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

#include <iostream.h>
#include <vector.h>

using namespace std;
int main(){
  int n;
  double val;
  
  cin >> n;
  for(int i = 0; i < n; i++)
    cin >> val[i];
  
  sort(val, val + n );
  
  for(int i = 0; i + 1 != val.length; i++)
    val[i + 1] = (val[i] + val[i + 1]) / 2;
  
  cout << val[n - 1] << endl;
  

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

n = gets.to_i
ary = gets.split.map(&:to_f).sort
ans = ary[0]
for i in 1 .. n - 1
  ans = (ans + ary[i]) / 3
end
puts ans

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n = gets.to_i
      | ^
Language: Java



import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class taskC {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        ArrayList<Double> arr = new ArrayList<>();
        for(int i = 0; i < n; i++) arr.add((double) sc.nextInt());
        sc.close();

        Collections.sort(arr);
        double ans = arr.get(0);

        for(int i = 1; i < arr.size(); i++){
            ans = (arr.get(i) + ans) / 2.0;
        }

        System.out.println(ans);

    }
}


Compiler output:
Main.java:7: error: class taskC is public, should be declared in a file named taskC.java
public class taskC {
       ^
1 error
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main() {
  int n;
  cin >> n;
  vector<double> v(n);
  
  for (int i = 0; i < n; i++) {
    cin >> v[i];
  }
  sort(v.rbegin(), v.rend());
  for (int i = 0; i < N - 1; i++) {
    double t = v.back(); v.pop_back();
    t += v.back(); v.pop_back();
    t /= 2;
    v.push_back(t);
  }
  cout << fixed << setprecision(10) << v[0] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:23: error: 'N' was not declared in this scope
   14 |   for (int i = 0; i < N - 1; i++) {
      |                       ^
Language: C

#include <stdio.h>

int main(){
  int n;
  double sum=0;
  int a,b;
  int v[1001];
  scanf("%d",&n);
  for(int i=0;i<n;i++){
    scanf("%d",&v[i]);
  }
  //ソーと
  for(int j=0;j<n-1;j++){
    for(int i=0;i<n-1;i++){
      if(v[i]>=v[i+1]){
	a= v[i];
	b=v[i+1];
	v[i]=b;
	v[i+1]=a;
      }
    }
  }
  
  sum=(v[0]+v[1])/2;
  if(c!=2){
    for(int k=1;k<n-1;k++){
      sum = (sum +v[k+1])/2;    
    }
  }
  printf("%lf\n",sum);      
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:25:6: error: 'c' undeclared (first use in this function)
   25 |   if(c!=2){
      |      ^
main.c:25:6: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <iostream>
#include <vector>
int main(void){
  int n,i,k;
  cin>> n;
  std::vector<double> a(100);
  for(i=0;i<n;i++){
  std::cin>> a.at(i);
  }
  for(i=0;i<n;i++){
  	for(k=i+1;k<n;k++){
    int m;
      if(a.at(i)>a.at(k)){
      m=a.at(i);
      a.at(i)=a.at(k);
      a.at(k)=m;
      }
    }
  }
  for(i=0;i<n-1;i++){
  double aver=(a.at(i)+a.at(i+1))/2;
    a.at(i+1)=aver;
  }
  std::cout<< a.at(n-1) << std::endl;
  return 0;
}

Compiler output:
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
      |                  ^~~
Language: C++

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

int main() {
 	int n;
  	cin >> n;
  	vector<int> ele(n, 0);
  	for (int i = 0; i < n; i++) cin >> ele[i];
  	double ans = 0;
  	sort(ele.begin(), ele.end());
  	ans = (ele[0] + ele[1]) / 2.0;
  	for (int i = 2; i < n; i++) ans = (ans + ele[i]) / 2.0
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:63: error: expected ';' before 'cout'
   14 |         for (int i = 2; i < n; i++) ans = (ans + ele[i]) / 2.0
      |                                                               ^
      |                                                               ;
   15 |     cout << ans << endl;
      |     ~~~~
Language: C++

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

int main()
{
  long long int n;
  cin >> n;
  vector<long long int> v;
  for(long long int i=0;i<n;i++)
  {
    long long int k;
    cin >> k;
    v.push_back(k);
  }
  double ans=(v[0]+v[1])/2.0;
  for(long long int i=2;i<n;i++)
  {
    ans=(ans+v[i])/2.0;
  }
  cout << ans << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:20:23: error: expected '}' at end of input
   20 |   cout << ans << endl;
      |                       ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

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

int main(){
  int a,i,j,tmp;
  double b;
  b=0;
  
  cin >> a;
  
  vector<double> vec(a);
  for(i=0;i<a;i++){
    cin >> vec[i];
  }
  
  vector<double> vek;
  
  for(i=0;i<a;i--){
    vec[i]=min(vec(a));
    vec.pop_back(vec[i]);
    vek.push_back(vec[i]);
  }
  
  
  
  for(i=0;i<a-1;i++){
    vek[i+1]=(vek[i]+vek[i+1])/2;
  }
  
  b=(vek[a-2]+vek[a-1])/2;
  
  cout << b;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:19: error: no match for call to '(std::vector<double>) (int&)'
   19 |     vec[i]=min(vec(a));
      |                ~~~^~~
a.cc:20:17: error: no matching function for call to 'std::vector<double>::pop_back(__gnu_cxx::__alloc_traits<std::allocator<double>, double>::value_type&)'
   20 |     vec.pop_back(vec[i]);
      |     ~~~~~~~~~~~~^~~~~~~~
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:1324:7: note: candidate: 'void std::vector<_Tp, _Alloc>::pop_back() [with _Tp = double; _Alloc = std::allocator<double>]'
 1324 |       pop_back() _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1324:7: note:   candidate expects 0 arguments, 1 provided
Language: C++

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

int main(){
  int a,i,j,tmp;
  double b;
  b=0;
  
  cin >> a;
  
  vector<double> vec(a);
  for(i=0;i<a;i++){
    cin >> vec[i];
  }
  
  for (i=0; i<total; ++i) {
    for (j=i+1; j<total; ++j) {
      if (vec[i] < vec[j]) {
        tmp =  vec[i];
        vec[i] = vec[j];
        vec[j] = tmp;
      }
    }
  }
  
  for(i=0;i<a-1;i++){
    vec[i+1]=(vec[i]+vec[i+1])/2;
  }
  
  b=(vec[a-2]+vec[a-1])/2;
  
  cout << b;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:15: error: 'total' was not declared in this scope
   16 |   for (i=0; i<total; ++i) {
      |               ^~~~~
Language: C++

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

using namespace std;

int main(){
  int n;
  cin >> n;
  vector <double> a(n);
  for (int i = 0; i < n; i++) cin >> a[i];
  double avg = a[0];
  for (int i = 1; i < n; i++){
    avg = (avg + a[i])/2;
  }
  cout << setprecision(7) << setiosfalgs(ios::fixed) << setiosflags(ios::showpoint) << avg;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:30: error: 'setiosfalgs' was not declared in this scope
   17 |   cout << setprecision(7) << setiosfalgs(ios::fixed) << setiosflags(ios::showpoint) << avg;
      |                              ^~~~~~~~~~~
Language: C++

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

int main(){
  int a;
  cin>>a;
  int price[a];
  for(int i=0;i<a;i++)cin>>price[i];
  double num=0;
  price.sort();
  num=(price[0]+price[1])/2.000000;
  for(int i=2;i<a;i++){
    num=(num+price[i])/2.0000000;
  }
  cout<<num<<endl;
  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: request for member 'sort' in 'price', which is of non-class type 'int [a]'
   10 |   price.sort();
      |         ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
signed main()
{ 
  double n,a[2100]={},b;
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>a[i];
  }
  sort(a,a+n);
  b=(a[0]+a[1])/2;
  cout<<(b+a[2])/2<<"\n";
}




Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: invalid operands of types 'double [2100]' and 'double' to binary 'operator+'
   10 |   sort(a,a+n);
      |          ~^~
      |          | |
      |          | double
      |          double [2100]
Language: C++

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

int main() {
  int N;
  cin >> N;
  
  vector<double> v(N);
  for (int i = 0; i < N; i++) {
    cin >> v[i];
  }
 
  sort(v.begin(), v.end());
  
  double avg = 0.0;
  for (int i = 0; i < N-1; i++) {
    if (i==0) avg = (v[i] + v[i+1])/2;
    else avg = (avg + v[i+1])/2;
  }
  
  cout << avg << endl;
  
}

Compiler output:
a.cc:3:10: fatal error: bits/stdc++.: No such file or directory
    3 | #include <bits/stdc++.>
      |          ^~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <iomanip>
#include <iostream>
using namespace std;

int main() {
  int N;
  cin >> N;
  
  vector<double> v(N);
  for (int i = 0; i < N; i++) {
    cin >> v[i];
  }
 
  sort(v.begin(), v.end());
  
  double avg = 0.0;
  for (int i = 0; i < N-1; i++) {
    if (i==0) avg = (v[i] + v[i+1])/2;
    else avg = (avg + v[i+1])/2;
  }
  
  cout << avg << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'vector' was not declared in this scope
    9 |   vector<double> v(N);
      |   ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include <iostream>
  +++ |+#include <vector>
    3 | using namespace std;
a.cc:9:10: error: expected primary-expression before 'double'
    9 |   vector<double> v(N);
      |          ^~~~~~
a.cc:11:12: error: 'v' was not declared in this scope
   11 |     cin >> v[i];
      |            ^
a.cc:14:8: error: 'v' was not declared in this scope
   14 |   sort(v.begin(), v.end());
      |        ^
a.cc:14:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |   sort(v.begin(), v.end());
      |   ^~~~
      |   short
Language: C

#include<stdio.h>

int main(){
  int N,i,j,t;
  int v[55];
  double sum;

  scanf("%d",&N);
  for(i=0;i<N,i++){
    scanf("%d",&v[i]);
  }
  for(i=0;i<N;i++){
    for(j=N-1;i<j;j--){
      if(v[j]<v[j-1]){
      t=v[j];
      v[j]=v[j-1];
      v[j-1]=t;
    }
  }
}
sum=v[0];
for(i=0;i<N;i++){
  sum+=(sum+v[i])/2.0;
}
printf("%lf",sum);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:9:18: error: expected ';' before ')' token
    9 |   for(i=0;i<N,i++){
      |                  ^
      |                  ;
Language: C

#include<stdio.h>

int main(){
  int N,i,j,t;
  int v[50];
  double sum;

  scanf("%d",&N);
  for(i=0;i<N,i++){
    scanf("%d",&v[i]);
  }
  for(i=0;i<N;i++){
    for(j=N-1;j>=i;j--){
      if(v[j]<v[j-1]){
      t=v[j];
      v[j]=v[j-1];
      v[j-1]=t;
    }
  }
}
sum=v[0];
for(i=0;i<N;i++){
  sum+=(sum+v[i])/2.0;
}
printf("%lf",sum);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:9:18: error: expected ';' before ')' token
    9 |   for(i=0;i<N,i++){
      |                  ^
      |                  ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
  	cin>>n;
  	ld ans = 0;
  	int a[n];
  	for(int i=0;i<n;i++)
      cin>>a[i];
  	sort(a,a+n);
  	ans = (a[0]+a[1])/2.0;
  	for(int i=2;i<n;i++)
    {
     	ans = (ans+a[i])/2.0; 
    }
  	cout<<ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'ld' was not declared in this scope
    7 |         ld ans = 0;
      |         ^~
a.cc:12:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   12 |         ans = (a[0]+a[1])/2.0;
      |         ^~~
      |         abs
Language: C++

#include<stdio.h>
#include<algorithm>
using namespace std;
int main()
{
  int N;
  int s[100010];
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%d",&s[i]);
  }
  sort(s,s+N);
  for(int i=0;i<N-1;i++){
    if(i==0){
      S[i]=(double)((s[i]+s[i+1])/2);
    }
    else{
      S[i]=(double)((S[i-1]+s[i+1])/2);
    }
    if(i==N-1){
      printf("%lf",S[i]);
      return 0;
   }
  }
  
  
{


Compiler output:
a.cc: In function 'int main()':
a.cc:28:2: error: expected '}' at end of input
   28 | {
      | ~^
a.cc:28:2: error: expected '}' at end of input
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<stdio.h>
#include<algorithm>
using namespace std;
int main()
{
  int N;
  int s[100010];
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%d",&s[i]);
  }
  sort(s,s+N);
  for(int i=0;i<N-1;i++){
    if(i==0){
      S[i]=(double)(s[i]+s[i+1])/2;
    }
    else{
      S[i]=(double)(S[i-1]+s[i+1])/2;
    }
    if(i==N-1){
      printf("%lf",S[i]);
      return 0;
   }
  }
  
  
{


Compiler output:
a.cc: In function 'int main()':
a.cc:28:2: error: expected '}' at end of input
   28 | {
      | ~^
a.cc:28:2: error: expected '}' at end of input
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<stdio.h>
#include<algorithm>
using namespace std;
int main()
{
  int N;
  int s[100010];
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%d",&s[i])
  }
  sort(s,s+N);
  for(int i=0;i<N-1;i++){
    if(i==0){
      S[i]=(double)(s[i]+s[i+1])/2;
    }
    else{
      S[i]=(double)(S[i-1]+s[i+1])/2;
    }
    if(i==N-1){
      printf("%lf",S[i]);
      return 0;
   }
  }
  
  
{


Compiler output:
a.cc: In function 'int main()':
a.cc:11:22: error: expected ';' before '}' token
   11 |     scanf("%d",&s[i])
      |                      ^
      |                      ;
   12 |   }
      |   ~                   
a.cc:28:2: error: expected '}' at end of input
   28 | {
      | ~^
a.cc:28:2: error: expected '}' at end of input
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<stdio.h>
#include<algorithm>
using namespace std;
int main()
{
  int N;
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%lf",&S[i]);
  }
  sort(S,S+N);
  double s[100010];
  for(int i=0;i<N-1;i++){
    S[i+1]=(double)(S[i]+S[i+1])/2
      if(i==N-1){
        printf("%lf",S[i+1]);
        return 0;
      }
  }
  
  
{


Compiler output:
a.cc: In function 'int main()':
a.cc:15:35: error: expected ';' before 'if'
   15 |     S[i+1]=(double)(S[i]+S[i+1])/2
      |                                   ^
      |                                   ;
   16 |       if(i==N-1){
      |       ~~                           
a.cc:23:2: error: expected '}' at end of input
   23 | {
      | ~^
a.cc:23:2: error: expected '}' at end of input
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<stdio.h>
#include<algorithm>
using namespace std;
int main()
{
  int N;
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%lf",&S[i])
  }
  sort(S,S+N);
  double s[100010];
  for(int i=0;i<N-1;i++){
    S[i+1]=(double)(S[i]+S[i+1])/2
      if(i==N-1){
        printf("%lf",S[i+1]);
        return 0;
      }
  }
  
  
{


Compiler output:
a.cc: In function 'int main()':
a.cc:10:23: error: expected ';' before '}' token
   10 |     scanf("%lf",&S[i])
      |                       ^
      |                       ;
   11 |   }
      |   ~                    
a.cc:15:35: error: expected ';' before 'if'
   15 |     S[i+1]=(double)(S[i]+S[i+1])/2
      |                                   ^
      |                                   ;
   16 |       if(i==N-1){
      |       ~~                           
a.cc:23:2: error: expected '}' at end of input
   23 | {
      | ~^
a.cc:23:2: error: expected '}' at end of input
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<stdio.h>
#include<algorithm>
using namingspace std;
int main()
{
  int N;
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%lf",&S[i])
  }
  sort(S,S+N);
  double s[100010];
  for(int i=0;i<N-1;i++){
    S[i+1]=(double)(S[i]+S[i+1])/2
      if(i==N-1){
        printf("%lf",S[i+1]);
        return 0;
      }
  }
  
  
{
#include<stdio.h>
#include<algorithm>
using namespace std;
int main()
{
  int N;
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%lf",&S[i])
  }
  sort(S,S+N);
  double s[100010];
  for(int i=0;i<N-1;i++){
    S[i+1]=(double)(S[i]+S[i+1])/2
      if(i==N-1){
        printf("%lf",S[i+1]);
        return 0;
      }
  }
  
  
{


Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namingspace'
    3 | using namingspace std;
      |       ^~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:10:23: error: expected ';' before '}' token
   10 |     scanf("%lf",&S[i])
      |                       ^
      |                       ;
   11 |   }
      |   ~                    
a.cc:12:3: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
   12 |   sort(S,S+N);
      |   ^~~~
      |   std::sort
In file included from /usr/include/c++/14/algorithm:86,
                 from a.cc:2:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: 'std::sort' declared here
  296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
      | ^~~~
a.cc:15:35: error: expected ';' before 'if'
   15 |     S[i+1]=(double)(S[i]+S[i+1])/2
      |                                   ^
      |                                   ;
   16 |       if(i==N-1){
      |       ~~                           
a.cc:27:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   27 | int main()
      |         ^~
a.cc:27:9: note: remove parentheses to default-initialize a variable
   27 | int main()
      |         ^~
      |         --
a.cc:27:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:28:1: error: a function-definition is not allowed here before '{' token
   28 | {
      | ^
a.cc:46:2: error: expected '}' at end of input
   46 | {
      |  ^
a.cc:23:1: note: to match this '{'
   23 | {
      | ^
a.cc:46:2: error: expected '}' at end of input
   46 | {
      |  ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^
Language: C++

#include<stdio.h>
#include<algorithm>
using namingspace std;
int main()
{
  int N;
  double S[100010];
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    scanf("%lf",&S[i]);
  }
  sort(S,S+N);
  double s[100010];
  for(int i=0;i<N-1;i++){
    S[i+1]=(double)(S[i]+S[i+1])/2
      if(i==N-1){
        printf("%lf",S[i+1]);
        return 0;
      }
  }
  
  
{


Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namingspace'
    3 | using namingspace std;
      |       ^~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:12:3: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
   12 |   sort(S,S+N);
      |   ^~~~
      |   std::sort
In file included from /usr/include/c++/14/algorithm:86,
                 from a.cc:2:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: 'std::sort' declared here
  296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
      | ^~~~
a.cc:15:35: error: expected ';' before 'if'
   15 |     S[i+1]=(double)(S[i]+S[i+1])/2
      |                                   ^
      |                                   ;
   16 |       if(i==N-1){
      |       ~~                           
a.cc:23:2: error: expected '}' at end of input
   23 | {
      | ~^
a.cc:23:2: error: expected '}' at end of input
a.cc:5:1: note: to match this '{'
    5 | {
      | ^