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

import java.util.*;
public class Main{
        public static void main(String[] args){
             Scanner sc = new Scanner(System.in):
             double R = sc.nextInt();
             double l = 2*R*3.14;
             System.out.println(l);
        }
}

Compiler output:
Main.java:4: error: ';' expected
             Scanner sc = new Scanner(System.in):
                                                ^
1 error
Language: Java

import java.util.Scanner;

class main{
  public static void main(String[] args){
    
    Scanner scanner = new Scanner(System.in);
    int R = scanner.nextInt;
    double X = 3.14159265*R;
    System.out.println(X);
  }
}


Compiler output:
Main.java:7: error: cannot find symbol
    int R = scanner.nextInt;
                   ^
  symbol:   variable nextInt
  location: variable scanner of type Scanner
1 error
Language: Java

import java.util.Scanner;

class main{
  public static void main(String[] args){
    
    Scanner scanner = scanner(System.in);
    int R = scanner.nextInt;
    double X = 3.14159265*R;
    System.out.println(X);
  }
}

Compiler output:
Main.java:6: error: cannot find symbol
    Scanner scanner = scanner(System.in);
                      ^
  symbol:   method scanner(InputStream)
  location: class main
Main.java:7: error: cannot find symbol
    int R = scanner.nextInt;
                   ^
  symbol:   variable nextInt
  location: variable scanner of type Scanner
2 errors
Language: C++

#include <iostream>

using namespace std;

int main(){
    int r;
    const double PI=3.14159265358979323846;
    cin >> r;

    cout << r*PI << stdl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: 'stdl' was not declared in this scope; did you mean 'std'?
   10 |     cout << r*PI << stdl;
      |                     ^~~~
      |                     std
Language: C++

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

using namespace std;

int main(){
    int r;

    cin >> r;

    cout << r*M_PI << stdl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: 'stdl' was not declared in this scope; did you mean 'std'?
   11 |     cout << r*M_PI << stdl;
      |                       ^~~~
      |                       std
Language: C

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main(void) {
	double R;
	scanf_s("%lf", &R);

	printf("%f", R * 3.1415);

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |         scanf_s("%lf", &R);
      |         ^~~~~~~
      |         scanf
Language: C

#include <stdio.h>

int main(void) {
	double R;
	scanf_s("%lf", &R);

	printf("%f", R * 3.1415);

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    5 |         scanf_s("%lf", &R);
      |         ^~~~~~~
      |         scanf
Language: C++

#include <stdio.h>

int main(void) {
	double R;
	scanf_s("%lf", &R);

	printf("%f", R * 3.1415);

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
    5 |         scanf_s("%lf", &R);
      |         ^~~~~~~
      |         scanf
Language: C++

int main(void) {
	double R;
	scanf("%lf", &R);

	printf("%f", R * 3.1415);

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:9: error: 'scanf' was not declared in this scope
    3 |         scanf("%lf", &R);
      |         ^~~~~
a.cc:5:9: error: 'printf' was not declared in this scope
    5 |         printf("%f", R * 3.1415);
      |         ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main(void) {
Language: Java

import java.util.*;
import java.io.*;
import static java.lang.Math.*;

class Main {
    FastIO sc;
    int n;
    int[] dp;
    int M = 1000000007;

    void solve() throws Exception {
        int n = sc.nextInt();
        System.out.println(2*Math.PI*n);
    }

    void run() {
        try {
            sc = new FastIO();
            solve();
            sc.close();
        } catch (Exception e) {
            e.printStackTrace();
            System.exit(abs(-1));
        }
    }

    public static void main(String[] args) {
        try {
            Locale.setDefault(Locale.US);
        } catch (Exception ignore) {
        }
        new Test().run();
    }

    class FastIO extends PrintWriter {
        private BufferedReader in;
        private StringTokenizer stok;

        FastIO() {
            super(System.out);
            in = new BufferedReader(new InputStreamReader(System.in));
        }

        FastIO(String s) throws FileNotFoundException {
            super("".equals(s) ? "output.txt" : s + ".out");
            in = new BufferedReader(new FileReader("".equals(s) ? "input.txt" : s + ".in"));
        }

        @Override
        public void close() {
            super.close();
            try {
                in.close();
            } catch (IOException ignored) {
            }
        }

        String next() {
            while (stok == null || !stok.hasMoreTokens()) {
                try {
                    stok = new StringTokenizer(in.readLine());
                } catch (Exception e) {
                    return null;
                }
            }
            return stok.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            try {
                return in.readLine();
            } catch (IOException e) {
                return null;
            }
        }

        char[] nextCharArray() {
            return next().toCharArray();
        }
    }

    class Pair {
        int mon, fac;

        Pair(int mon, int fac) {
            this.mon = mon;
            this.fac = fac;
        }
    }

    void randomShuffle(int[] a) {
        Random random = new Random();
        for (int i = 1; i < a.length; i++) {
            int x = random.nextInt(i + 1);
            int xchg = a[i];
            a[i] = a[x];
            a[x] = xchg;
        }
    }

    static boolean even(int n) {
        int r = n & 1;
        return r != 1 ? true : false;
    }
}

Compiler output:
Main.java:32: error: cannot find symbol
        new Test().run();
            ^
  symbol:   class Test
  location: class Main
1 error
Language: C

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  double R;

	cin >> R;

	cout << 2 * R * 3.1415926535897932384 << endl;

	cin >> R;
}

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

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

int main() {
	float r;
	cin >> r;
	cout << r*3.1415926536 << endl;
}

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

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

int main(){

  double a;
  cin>>a;
  cout<<a*6.28318530717958623200<<endl;

}

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

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

int main() {
  double R,P;
  cin >>R;
  P = 3.1415926
  cout <<P*R <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expected ';' before 'cout'
    7 |   P = 3.1415926
      |                ^
      |                ;
    8 |   cout <<P*R <<endl;
      |   ~~~~
Language: C

#include<iostream>
#include<iomanip>
#include<vector>
#include<string>
#include<cstring>
#include<map>
#include<set>
#include<queue>
#include<stack>
#include<algorithm>
#include<cmath>
#include<cstdio>
#include<cstdlib>
#include<climits>
#include<fstream>

#define MOD (1000000007)

using namespace std;

typedef long long int Int;

constexpr Int TEN(int n) { return n == 0 ? 1 : 10 * TEN(n-1); }

const double pi = 3.1415926;

int main(void) {
    double r;
    cin>>r;

    cout<<2*r*pi<<endl;

    return 0;
}




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

#include<iostream>
#include<iomanip>
#include<vector>
#include<string>
#include<cstring>
#include<map>
#include<set>
#include<queue>
#include<stack>
#include<algorithm>
#include<cmath>
#include<cstdio>
#include<cstdlib>
#include<climits>
#include<fstream>

#define MOD (1000000007)

using namespace std;

typedef long long int Int;

constexpr Int TEN(int n) { return n == 0 ? 1 : 10 * TEN(n-1); }

const int pi = 3.1415926;

int main(void) {
    double r;
    cin>>r;

    cout<<2*r*pi<<endl;

    return 0;
}




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

package main

import (
	"fmt"
	"math"
)

func main() {
	var r float64
	fmt.Scan(&r)

	fmt.Println(2 * r * math.Pi)
}


Compiler output:
main.c:1:1: error: unknown type name 'package'
    1 | package main
      | ^~~~~~~
main.c:3:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'import'
    3 | import (
      | ^~~~~~
Language: C


import math

R = int(input())

print(2*R*math.pi)

Compiler output:
main.c:2:1: error: unknown type name 'import'
    2 | import math
      | ^~~~~~
main.c:4:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'R'
    4 | R = int(input())
      | ^
Language: C

#include <bits/stdc++.h>

using namespace std;
long double r;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin>>r;
    long double pi=acos(-1);
    cout<<setprecision(10)<<fixed<<pi*2*r;
    return 0;
}


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

#include<bits/stdc++.h>
using namespace std;
int main(){
	double n;
	cin >> n;
	cout <<  2 * 3.14159265358979323846  *n ;
	return 0;
}

	

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;

int main() {
    int r; cin>>r;
    double pi = acos(-1);
    printf("%.10f\n", 2.0 * pi * r);
    return 0;
}


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

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

int main() {
  int a;
  cin >> a;
  cout << a * 6.28 << endl;
}


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

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

int main(){
	float pi=3.141592;
	float r;
	cin>>r;
	cout<<r*2*pi<<endl;

	return 0;

}

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

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

int main(){
	float pi=3.141592;
	float r;
	cin>>r;
	cout<<r*2*pi<<endl;

	return 0;

}

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"
#include<cstring>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
typedef long long ll;

int main(){
	float pi=3.141592;
	float r;
	cin>>r;
	cout<<r*2*pi<<endl;

	return 0;

}

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"
#include<cstring>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
typedef long long ll;

int main(){
	const float pi=3.141592;
	float r;
	cin>>r;
	cout<<r*2*pi<<endl;

	return 0;

}

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<iostream>
#include<vector>
#include<map>
#include<set>
#include<string>
#include<algorithm>
#include<numeric>
#include<cmath>
#include<queue>
#include<stack>
#include<list>
#include<unordered_map>
#include<unordered_set>
#include<cctype>
#include<iomanip>
#include<limits>
#include<bitset>

using namespace std;
typedef long long int ll; typedef pair<int, int> P; typedef unsigned long long int ull;
const ll mod = 1000000007;
const int inf = 1e9 + 7;
const ll linf = 1LL << 60;
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define REP(i,m,n) for(int i=(m);i<(int)n;i++)
#define all(a) (a).begin(),(a).end()
#define allg(a) (a).begin(),(a).end(),greater<>()
#define SUM(a) accumulate((a).begin(),(a).end(),0)
#define d10 std::setprecision(10)
#define d20 std::setprecision(20)
#define vec vector<int>
#define vecb vector<bool>
#define vecd vector<double>
using str = string;
const double PI = 3.14159265359;
ll gcd(ll a, ll b) { ll t; while (b != 0) { t = a % b; a = b; b = t; }return a; }
int gcd(int a, int b) { int t; while (b != 0) { t = a % b; a = b; b = t; }return a; }
ll recfact(ll start, ll n) {
	ll i;
	if (n <= 16) {
		ll r = start;
		for (i = start + 1; i < start + n; i++) r = r * i % mod;
		return r % mod;
	}
	i = n / 2;
	return recfact(start, i) % mod * recfact(start + i, n - i) % mod;
}
ll lcm(ll a, ll b) {
	return a * b / gcd(a, b);
}
ll fct(ll n) { return recfact(1, n); }
ll ncm(ll n, ll m) {
	if (n < m)return 0;
	ll x = (fct(n) % mod / (fct(m) * fct(n - m)) % mod) % mod;
	return x;
}
std::string sreverse(string str, int firstItr, int secondItr) {
	if (firstItr < 0 || secondItr>int(str.size() - 1))return str;
	while (firstItr < secondItr) {
		swap(str[firstItr], str[secondItr]);
		firstItr++; secondItr--;
	}
	return str;
}
std::string RunLengthEncoding(std::string str) {
	int itr = 0; std::string res;
	while (itr < int(str.size())) {
		char tmp = str[itr++];
		int length = 1;
		while (itr <int(str.size()) && str[itr] == tmp) { ++itr; ++length; }
		res.push_back(tmp);
		res += to_string(length);
	}
	return res;
}
std::string split(std::string str, size_t first_itr, size_t second_itr) {
	std::string tmp;
	for (size_t i = first_itr; i < second_itr + 1; i++) {
		tmp.push_back(str.at(i));
	}
	return tmp;
}


int main() {
	double a; cin >> a;
	cout << d10 << 2 * a * PI << endl;
	return 0;
}

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

#include<iostream>
#include<vector>
#include<map>
#include<set>
#include<string>
#include<algorithm>
#include<numeric>
#include<cmath>
#include<queue>
#include<stack>
#include<list>
#include<unordered_map>
#include<unordered_set>
#include<cctype>
#include<iomanip>
#include<limits>
#include<bitset>

using namespace std;
typedef long long int ll; typedef pair<int, int> P; typedef unsigned long long int ull;
const ll mod = 1000000007;
const int inf = 1e9 + 7;
const ll linf = 1LL << 60;
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define REP(i,m,n) for(int i=(m);i<(int)n;i++)
#define all(a) (a).begin(),(a).end()
#define allg(a) (a).begin(),(a).end(),greater<>()
#define SUM(a) accumulate((a).begin(),(a).end(),0)
#define d10 std::setprecision(10)
#define d20 std::setprecision(20)
#define vec vector<int>
#define vecb vector<bool>
#define vecd vector<double>
using str = string;
const double PI = 3.14159265359;
ll gcd(ll a, ll b) { ll t; while (b != 0) { t = a % b; a = b; b = t; }return a; }
int gcd(int a, int b) { int t; while (b != 0) { t = a % b; a = b; b = t; }return a; }
ll recfact(ll start, ll n) {
	ll i;
	if (n <= 16) {
		ll r = start;
		for (i = start + 1; i < start + n; i++) r = r * i % mod;
		return r % mod;
	}
	i = n / 2;
	return recfact(start, i) % mod * recfact(start + i, n - i) % mod;
}
ll lcm(ll a, ll b) {
	return a * b / gcd(a, b);
}
ll fct(ll n) { return recfact(1, n); }
ll ncm(ll n, ll m) {
	if (n < m)return 0;
	ll x = (fct(n) % mod / (fct(m) * fct(n - m)) % mod) % mod;
	return x;
}
std::string sreverse(string str, int firstItr, int secondItr) {
	if (firstItr < 0 || secondItr>int(str.size() - 1))return str;
	while (firstItr < secondItr) {
		swap(str[firstItr], str[secondItr]);
		firstItr++; secondItr--;
	}
	return str;
}
std::string RunLengthEncoding(std::string str) {
	int itr = 0; std::string res;
	while (itr < int(str.size())) {
		char tmp = str[itr++];
		int length = 1;
		while (itr <int(str.size()) && str[itr] == tmp) { ++itr; ++length; }
		res.push_back(tmp);
		res += to_string(length);
	}
	return res;
}
std::string split(std::string str, size_t first_itr, size_t second_itr) {
	std::string tmp;
	for (size_t i = first_itr; i < second_itr + 1; i++) {
		tmp.push_back(str.at(i));
	}
	return tmp;
}


int main() {
	double a; cin >> a;
	cout << 2 * a * PI << endl;
	return 0;
}

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

#define pai 3.141592
#include<stdio.h>

int main(void){
  
  int R;
  
  scanf("%d",&R);
  
  printf("%lf\n",2*pai*R);
  
  return 0;
  '
}

Compiler output:
main.c: In function 'main':
main.c:13:3: warning: missing terminating ' character
   13 |   '
      |   ^
main.c:13:3: error: missing terminating ' character
Language: C

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i,n) for(ll i=0;i<(ll)(n);i++)
#define INF 1000000000000 //10^12

int main(){
    double r;
    cin >>r;
    cout << r*2*M_PI<<endl;
}

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

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define pb push_back
#define INF 0x3f3f3f3f
#define LINF 0x3f3f3f3f3f3f3f3f
#define endl '\n'
#define ll long long
#define f first
#define s second
#define int long long
#define FAST cin.tie(0), cout.tie(0), ios::sync_with_stdio(0)
#define debug(x) cout << "DEBUG " << x << endl
#define debug2(x, y) cout << "DEBUG " << x << " " << y << endl
#define debug3(x, y, z) cout << "DEBUG " << x << " " << y << " " << z<< endl
#define debug4(x, y, z, o) cout << "DEBUG " << x << " " << y << " " << z<< " " << o << endl
using namespace std;
typedef pair<ll, ll> pii;
typedef vector<vector<ll>> mat;
const ll mod = 1e9+7;
const int MAXN = 1e6+5;


int32_t main() {
	ll r;
	cin >> r;
	cout << fixed << setprecision(10) << 2*3.14*r << endl;
}


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

from math import pi
r = int(input())
print(2 * r * pi)


Compiler output:
main.c:1:1: error: unknown type name 'from'
    1 | from math import pi
      | ^~~~
main.c:1:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'import'
    1 | from math import pi
      |           ^~~~~~
main.c:1:11: error: unknown type name 'import'
Language: C

#include <iostream>

using namespace std;

const int MAXN=2e5+1;
int ans[MAXN];
int N;

int main() {
	cin>>N;
	for (int i=2; i<=N; i++) {
		int act;
		cin>>act;
		ans[act]++;
	}
	for (int i=1; i<=N; i++) {
		cout<<ans[i]<<'\n';
	}
}


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

#include <bits/stdc++.h>

using namespace std;


int main(){
   double d; cin>>d; cout<<fixed<<setprecision(12)<<2*acos(-1)*d;
}


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

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

int main() {
  int N;
   cin >> N;
  
  cout << 2*N*3.1415926535<<endl;
}



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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;cin>>n;
  cout<<double(n*2*3.1415)<<endl;
}

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

#include <stdio.h>
int Question163B(void) {
	int insdate;
	int inhome;
	int inhdate[10001];
	int output ;

	scanf("%d %d", &insdate, &inhome);
	for (int k = 0; k < inhome; k++) scanf("%d", &inhdate[k]);

	int num = 0;
	for (int i = 0; i < inhome; i++) num = num + inhdate[i];

	if (num > insdate) printf("%d\n", -1);
	else printf("%d\n", insdate - num);

	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;

int main() {
  int R;
  cin >> R;
  cout << 2 * R * 3.1415926535897932384 << endl;
  
}


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

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

int main(){

    double r;cin>>r;
    printf("%.10lf",6.283185307179586232*r);

    return 0;
}

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;

int main(){

    double r;cin>>r;
    printf("%.20lf",6.283185307179586232*r);
}

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 <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <string>
#include <cstring>
#include <cmath>
#include <set>
#include <bitset>
using namespace std;

typedef long long ll;
typedef vector<int> VI;
typedef vector<ll> VL;

const double PI=3.14159265358979323846;

#define REP(i, n) for(int i = 0; i < (int)(n); i++)
#define REP1(i, n) for(int i = 1; i <= (int)(n); i++)
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((int)(x).size())
#define LEN(x) ((int)(x).length())
#define ZERO(a) memset(a, 0, sizeof(a))

#define RAD(d) (PI * (d) / 180)
#define DEG(r) (180.0 * (r) / PI)

template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; }

template<class T> void dump(const vector<T> &v)
{
	REP(i, SZ(v)-1){ cout << v[i] << " "; }
	cout << v[SZ(v)-1] << endl;
}

template<class T> void dump(int w, int h, const vector<T> &v)
{
	REP(j, h){
		REP(i, w-1){ cout << v[j * w + i] << " "; }
		cout << v[j * w + w-1] << endl;
	}
}

template<class T> T accumulate(const vector<T> &v)
{
	T sum = 0;
	REP(i, SZ(v)){ sum += v[i]; }
	return sum;
}

template<class T> struct Matrix
{
	T w, h;
	vector<T> A;
	Matrix(T w_, T h_) : w(w_), h(h_), A(w * h) {}
	T get(T x, T y) const { return A[y * w + x]; }
};

template<class T> void input(Matrix<T> &m)
{
	REP(j, m.h){
		REP(i, m.w){
			cin >> m.A[j * m.w + i];
		}
	}
}

template<class T> Matrix<T> prod(const Matrix<T> &a, const Matrix<T> &b)
{
	Matrix<T> m(b.w, a.h);

	REP(j, m.h){
		REP(i, m.w){
			ll c = 0;
			REP(k, a.w){
				c += a.A[j * a.w + k] * b.A[k * b.w + i];
			}
			m.A[j * m.w + i] = c;
		}
	}

	return m;
}

void dump(const Matrix<ll> &m)
{
	REP(j, m.h){
		REP(i, m.w-1){ printf("%lld ", m.A[j * m.w + i]); }
		printf("%lld\n", m.A[j * m.w + m.w-1]);
	}
}

void dump(const Matrix<double> &m)
{
	REP(j, m.h){
		REP(i, m.w-1){ printf("%f ", m.A[j * m.w + i]); }
		printf("%f\n", m.A[j * m.w + m.w-1]);
	}
}

string &to_upper(string &s)
{
	REP(i, s.length()){
		if('a' <= s[i] && s[i] <= 'z'){
			s[i] -= 32;
		}
	}

	return s;
}

string &to_lower(string &s)
{
	REP(i, s.length()){
		if('A' <= s[i] && s[i] <= 'Z'){
			s[i] += 32;
		}
	}

	return s;
}

// すべての約数を列挙する
template <class T> vector<T> get_divisors(T n)
{
	vector<T> ret;
	for(T i = 1; i * i <= n; i++){
		if(n % i == 0){
			ret.push_back(i);
			if(i * i != n)
				ret.push_back(n / i);
		}
	}
	sort(ALL(ret));
	return ret;
}

// 1-sqrt(N)までの約数を列挙する
template <class T> vector<T> get_divisors2(T n)
{
	vector<T> ret;
	for(T i = 1; i * i <= n; i++){
		if(n % i == 0){
			ret.push_back(i);
		}
	}
	return ret;
}

int F(ll A, ll B)
{
	return LEN(to_string(max(A, B)));
}

int main()
{
	double R;
	cin >> R;

	printf("%.3f\n", 2 * PI * R);

	return 0;
}


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

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <string>
#include <sstream>
#include <complex>
#include <vector>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <set>
#include <fstream>
#include <numeric>
using namespace std;
typedef long long int ll;

#define EPS (1e-7)
#define INF 1e18
#define max(p,q)((p)>(q)?(p):(q))
#define min(p,q)((p)<(q)?(p):(q))
#define PI (acos(-1))

#define REP(i, n) for(int i = 0; i < (int)(n); i++)
#define rep(i, init, n) for(int i = init; i <(int)(n); i++)

int main() {

    double a;
    cin >> a;
    a = a * 3.14159 * 2.0;
    printf("%.4f\n", a);

    return 0;
}


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

/*	Author
@ Pranjal Walia
IIIT Bangalore
*/
#include<bits/stdc++.h>
using namespace std;

void fastscan(int &x){
bool neg = false;register int c;
x = 0;c = getchar();
if(c=='-'){neg = true;c = getchar();}
for(; (c>47 && c<58); c=getchar()){x = x *10 + c - 48;}
if(neg){x *= -1;}}

#define ff              				first
#define ss              				second
#define int             				long long
#define pb              				push_back
#define mp              				make_pair
#define pii             				pair<int,int>
#define vi              				vector<int>
#define mii             				map<int,int>
#define pqb             				priority_queue<int>
#define pqs             				priority_queue<int,vi,greater<int> >
#define setbits(x)      				__builtin_popcountll(x)
#define zrobits(x)      				__builtin_ctzll(x)
#define mod             				1000000007
#define inf             				1e18
#define mem(a,x,n)					memset(a,x,sizeof(a))		//initialise only 0 ans -1 with memset
#define ps(x,y)         				fixed<<setprecision(y)<<x
#define mk(arr,n,type)  				type *arr=new type[n];
#define w(x)            				int x; cin>>x; while(x--)
#define sortv(v)        				sort(v.begin() , v.end())
#define rsortv(v)       				sort(v.rbegin() , v.rend())
#define pw(b,p)         				pow(b,p) + 0.1
#define __          	   				ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define rep(i,a,b)	   					for(int i=a;i<b;i++)
#define repb(i,a,b) 	   				for(int i=a;i>=b;i--)
#define endl			   				"\n"    

#define tr(x) cout<<x<<endl;
#define tr2(x,y) cout<<x<<" "<<y<<endl;
#define tr3(x,y,z) cout<<x<<" "<<y<<" "<<z<<endl;
#define tr4(w,x,y,z) cout<<w<<" "<<x<<" "<<y<<" "<<z<<endl;
#define tr5(v,w,x,y,z) cout<<v<<" "<<w<<" "<<x<<" "<<y<<" "<<z<<endl;
#define tr6(u,v,w,x,y,z) cout<<u<<" "<<v<<" "<<w<<" "<<x<<" "<<y<<" "<<z<<endl;

#define sd(x) cin >> x;
#define sd2(x,y) cin >> x >> y;
#define sd3(x,y,z) cin >> x >> y >> z;
#define sd4(w,x,y,z) cin >> w >> x >> y >> z;

int mypow(int a, int b){	//(logn) --> faster than recursive --> binary expo
    int res = 1;            // call int x = mypow(2,5);
    while (b > 0) {
        if (b & 1)
            res = res * a;
        a = a * a;
        b >>= 1;
    }
}

void file(){
    #ifndef ONLINE_JUDGE
    freopen("input.txt" , "r" , stdin);
    freopen("output.txt" , "w" , stdout);
    #endif
}

void CF_321_D2_A(){
    int n; sd(n);
    int a[n];
    rep(i , 0 , n)sd(a[i]);
    int c=1;
    int ans=0;

    rep(i  , 1 , n){
        if(a[i] >= a[i-1]){
            c++;
        }
        else{
            ans = max(ans,c);
            c=1;
        }
    }
    ans = max(ans , c);
    tr(ans);
}

int a[100005];


int32_t main(){
    __;	
    int n; sd(n);
    printf("%.2f" , 2*3.1415*n);
}

Compiler output:
main.c:5:9: fatal error: bits/stdc++.h: No such file or directory
    5 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

# include<bits/stdc++.h>
using namespace std;
int main()
{
  int r;
  cin>>r;
  cout<<M_PI*r*2<<endl
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:23: error: expected ';' before 'return'
    7 |   cout<<M_PI*r*2<<endl
      |                       ^
      |                       ;
    8 |     return 0;
      |     ~~~~~~
Language: C

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  const double PI=3.14159265358979323846;
  
  cin >> r;
  cout << 2 * r * PI << endl;
}
 


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

#include<bits/stdc++.h>
using namespace std;
const double pi = 3.14;
int main()
{
  double n;
  cin>>n;
  printf("%.2f\n", 2*n*pi);
  return;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: return-statement with no value, in function returning 'int' [-fpermissive]
    9 |   return;
      |   ^~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
    intt R;
  
    cin >> R;
	
    cout << 2 * R * 3.141592653589793;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'intt' was not declared in this scope; did you mean 'int'?
    7 |     intt R;
      |     ^~~~
      |     int
a.cc:9:12: error: 'R' was not declared in this scope
    9 |     cin >> R;
      |            ^
Language: C

#include <iostream>

using namespace std;

int main() {
    
    double R;
    cin >> R;
    cout << 2.0 * 3.14159265 * R;

    return 0;
}

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

require 'bigdecimal/math'
r = gets.to_i
p 2*BigMath::PI(1)*r

Compiler output:
main.c:1:9: warning: multi-character literal with 15 characters exceeds 'int' size of 4 bytes
    1 | require 'bigdecimal/math'
      |         ^~~~~~~~~~~~~~~~~
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '\x6d617468'
Language: C

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef long double ld;
#define For(i, a, b)    for(int i = (a) ; i < (b) ; ++i)
#define rep(i, n)       For(i, 0, n)


// Write From This Line
int main()
{

}


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

#include<iostream.h>
using namespace std;
#define MIO 3.1415926535897932384626433 

int main(){
    float n;
    cin>>n;
    float k;
    k = 2*MIO*n;
    cout<<k;
    return 0;
}

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

#include<iostream>
using namespace std;
#define MIO 3.1415926535897932384626433 

int main(){
    float n;
    cin>>n;
    float k;
    k = 2*MIO*n;
    cout<<k;
    return 0;
}

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

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


    public static void main(String[] args){
        try {
            BufferedReader bfreader = new BufferedReader(new InputStreamReader(System.in));
            String input = bfreader.readLine();
            int radius = Integer.parseInt(input);
            System.out.println(radius*2*Math.PI);
            bfreader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

Compiler output:
Main.java:6: error: unnamed classes are a preview feature and are disabled by default.
    public static void main(String[] args){
                  ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: C

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define en '\n'

int main() {
    ios::sync_with_stdio(0);
    long double r;
    cin >> r;
    cout << M_PI * 2 * r << endl;


    return 0;
}

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

#include "bits/stdc++.h"

#define MOD 1000000007
#define rep(i, n) for(ll i=0; i < (n); i++)
#define ALL(v) v.begin(),v.end()
#define FOR(i, j, k) for(ll i=j;i<k;i++)
#define DUMP(i, v)for(ll i=0;i<v.size();i++)cout<<v[i]<<" "

using namespace std;
typedef long long int ll;
typedef vector<ll> llvec;
typedef vector<double> dvec;
typedef pair<ll, ll> P;
typedef long double ld;
struct Edge{ll from, to, cost;};
struct node{ll cost, to;
  bool friend operator>(node a, node b){
    return a.cost>b.cost;
  }
};

ll mod(ll a, ll mod){
  ll res = a%mod;
  if(res<0)res=res + mod;
  return res;
}

ll modpow(ll a, ll n, ll mod){
  ll res=1;
  while(n>0){
    if(n&1) res=res*a%mod;
    a=a*a%mod;
    n>>=1;
  }
  return res;
}

ll modinv(ll a, ll mod){
  return modpow(a, mod-2, mod);
}

ll gcd(ll a, ll b){
  ll r = a%b;
  if(r==0) return b;
  else return gcd(b, a%b);
}

bool is_prime(ll n){
  ll i = 2;
  if(n==1)return false;
  if(n==2)return true;
  bool res = true;
  while(i*i <n){
    if(n%i==0){
      res = false;
    }
    i = i+1;
  }

  //if(i==1)res = false;
  if(n%i==0)res=false;
  return res;
}


/**************************************
** A main function starts from here  **
***************************************/
int main(){


  return 0;
}


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

#define _GLIBCXX_DEBUG
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
int main(){
    double r;
    cin>>r;
    cout<<2*M_PI*r;
    return 0;
    }


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

#include <bits/stdc++.h>

#define rep0(i, n) for(int i=0; i<(int)(n);i++)
#define rep1(i, n) for(int i=1; i<=(int)(n);i++)
#define all(x) (x).begin(), (x).end()
#define debug(a) if(flagdebug){cout << "debug (" #a "):" << endl << (a) << endl;}

typedef uint64_t ulint;
typedef int64_t lint;
using namespace std;

lint a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
bool flagdebug = false;

int main(){
//////////////////////////////////////////////////////
    // flagdebug = true;


    cin >> r;

    cout << r * 2 * 3.14159 << endl;

//////////////////////////////////////////////////////
// Ctrl + Opt + N to make
    return 0;
}


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

#include <bits/stdc++.h>
using namespace std;
int main () {
  double N;
  cin >> N;
  N *= 2;
  cout << N * 3.141592 << endl;
  return 0;
}

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

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

int main(){
  double r;
  cin >> r;
  printf("%.9lf\n",r*2.0*3.141592653589793238);
  return 0;
}

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>

#define rep(i, n) for(int i=0; i < n; i++)
#define reps(i, n) for(int i=1; i <= n; i++)
#define INF 1e9
#define ALL(v) v.begin(), v.end()

using namespace std;
using ll=long long;
const double PI=3.14159265358979323846;



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

    cout << N*2*PI;


}


Compiler output:
a.cc: In function 'int Main()':
a.cc:21:1: warning: no return statement in function returning non-void [-Wreturn-type]
   21 | }
      | ^
/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;

// 型定義
typedef long long ll;
typedef pair<ll, ll> P;

// forループ
#define REP(i,n) for(ll i=0; i<(ll)(n); ++i)

// 定数宣言
const int INF = 1e9;
const int MOD = 1e9+7;
const ll LINF = 1e18;

// グラフ表現
using Graph = vector<vector<int>>;

// グラフの辺表現
using Edge = map<pair<int,int>,int>;

// n次元配列の初期化。第２引数の型のサイズごとに初期化していく。
template<typename A, size_t N, typename T>
void Fill(A (&array)[N], const T &val){
    std::fill( (T*)array, (T*)(array+N), val );
}

// 最大公約数
ll gcd(ll a,ll b){
   if (a%b == 0) return(b);
   else return(gcd(b, a%b));
}

// 最小公倍数
ll lcm(ll a, ll b){
    return a*b/gcd(a, b);
}

int main()
{
    cout << fixed << setprecision(15);

    return 0;
}

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

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class CircumCal {
    public static void main(String[] args){
        try {
            BufferedReader bfreader = new BufferedReader(new InputStreamReader(System.in));
            String input = bfreader.readLine();
            int radius = Integer.parseInt(input);
            System.out.println(radius*2*Math.PI);
            bfreader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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

import sys
input = sys.stdin.readline

r = int(input())

import math

print(2*math.pi*r)

Compiler output:
main.c:1:1: error: unknown type name 'import'
    1 | import sys
      | ^~~~~~
main.c:2:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'input'
    2 | input = sys.stdin.readline
      | ^~~~~
Language: Java

package com.company;


import java.util.Scanner;

public class Edata {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int i = sc.nextInt();
        double c =Math.PI*2*i;
        System.out.println(c);
    }
}



Compiler output:
Main.java:6: error: class Edata is public, should be declared in a file named Edata.java
public class Edata {
       ^
1 error
Language: C++

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

int main() {
   int N , M ;
  cin >> N >> M ;
  int A[10110] ;
  for(int i = 0 ; i < M ; i++){
  cin >> A[i] ;
    int sum ;
    sum += A[i] ;
  }
  
  sum == a :
  
  if (a > N) cout << "-1" << endl;
  else cout << N - a << endl;
  
}




Compiler output:
a.cc: In function 'int main()':
a.cc:14:3: error: 'sum' was not declared in this scope
   14 |   sum == a :
      |   ^~~
a.cc:14:10: error: 'a' was not declared in this scope
   14 |   sum == a :
      |          ^
a.cc:17:3: error: 'else' without a previous 'if'
   17 |   else cout << N - a << endl;
      |   ^~~~
Language: C

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

int main(){
    float n;
    cin>>n;
    float k;
    k = 2*3.1415926535897932384626433*n;
    cout<<k;
    return 0;
}

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

import java.util.Scanner;



    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int i = sc.nextInt();
        double c =Math.PI*2*i;
        System.out.println(c);
    }



Compiler output:
Main.java:5: error: unnamed classes are a preview feature and are disabled by default.
    public static void main(String[] args) {
                  ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: C++

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

int main() {
   int N , M ;
  cin >> N >> M ;
  int A[10110] ;
  for(int i = 0 ; i < M ; i++){
  cin >> A[i] ;
    int sum ;
    sum += A[i] ;
  }
  
  if (sum > N) cout << "-1" << endl;
  else cout << N - sum << endl;
  
}




Compiler output:
a.cc: In function 'int main()':
a.cc:14:7: error: 'sum' was not declared in this scope
   14 |   if (sum > N) cout << "-1" << endl;
      |       ^~~
Language: Java

import java.util.Scanner;

public class Edata {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int i = sc.nextInt();
        double c =Math.PI*2*i;
        System.out.println(c);
    }
}


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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  double R;
  cin >>R;
  cout << 2*R*3.141592<<endl;

}

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

x=input()
print(int(x)*2*3.141592)

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | x=input()
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'x' [-Wimplicit-int]
main.c:1:3: error: implicit declaration of function 'input' [-Wimplicit-function-declaration]
    1 | x=input()
      |   ^~~~~
main.c:1:3: error: initializer element is not constant
main.c:2:1: error: expected ',' or ';' before 'print'
    2 | print(int(x)*2*3.141592)
      | ^~~~~
Language: C

#include <bits/stdc++.h>

#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define forn(i, n) for (int i = 0; i < (int)(n); ++i)
#define for1(i, n) for (int i = 1; i <= (int)(n); ++i)
#define ford(i, n) for (int i = (int)(n)-1; i >= 0; --i)
#define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i)

using namespace std;

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vpi;
typedef vector<vi> vvi;
typedef long long ll;
typedef vector<ll> vll;
typedef pair<ll, ll> pll;
typedef long double ld;

const ll N = (ll)5e5 + 2;
const ll MOD = (ll)1e9 + 7;
const ll MOD1 = (ll)998244353;
const ll inf = (ll)1e18 + 6;

template <class T>
bool uin(T &a, T b) { return a > b ? (a = b, true) : false; }
template <class T>
bool uax(T &a, T b) { return a < b ? (a = b, true) : false; }

ll add(ll x, ll y)
{
    x += y;
    if (x >= MOD)
        return x - MOD;
    return x;
}

ll sub(ll x, ll y)
{
    x -= y;
    if (x < 0)
        return x + MOD;
    return x;
}

ll mult(ll x, ll y)
{
    return (x * y) % MOD;
}

ll bin_pow(ll x, ll p)
{
    if (p == 0)
        return 1;
    if (p & 1)
        return mult(x, bin_pow(x, p - 1));
    return bin_pow(mult(x, x), p / 2);
}

ll rev(ll x)
{
    return bin_pow(x, MOD - 2);
}

int main()
{

    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.precision(20);
    cout << fixed;
#ifdef LOCAL_DEFINE
    freopen("input.txt", "rt", stdin);
#endif
    ld n;
    cin >> n;
    cout << (44 * n) / 7 << "\n";
}


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


/*
...........__________                                                                           ___  __
.............|       |                                                                           |   /
.............|       |                                                                           |  /
.............|       |                               |                         __                | /      _______
.............|_______|  _______            _______   |______   ________   /|  /  |               |/       |      |
.............| \               | |      | |          |      |          | / | /   |               |\       |
.............|  \       _______| |      | |_______   |      |   _______|   |/    |               | \      |
.............|   \      |      | |      |         |  |      |  |       |   |     |               |  \     |
...........__|    \__|  |______| |______| ________|  |      |_ |_______|   |     |__|           _|   \__ _|        .

*/
#include<bits/stdc++.h>
using namespace std ;
#define int                 long long
#define ull                 unsigned long long int
#define ld                  long double
#define vi                  vector<int>
#define vii                 vector<pair<int,int>>
#define vvi                 vector<vector<int>>
#define pii                 pair<int,int>
#define prec(x)             fixed<<setprecision(15)<<x
#define all(x)              x.begin(),x.end()
#define rall(x)             x.rbegin(),x.rend()
#define rev(x)              reverse(x.begin(),x.end())
#define mset(a,b)           memset(a,b,sizeof(a))
#define mcpy(a,b)           memcpy(a,b,sizeof(a))
#define fo0(i,n)            for(int i=0,i##end=n;i<i##end;i++)
#define fo1(i,n)            for(int i=1,i##end=n;i<=i##end;i++)
#define fo(i,a,b)           for(int i=a,i##end=b;i<=i##end;i++)
#define foe(i,x)            for(__typeof((x).end())i=(x).begin();i!=(x).end();++i)
#define fre(i,x)            for(__typeof((x).rend())i=(x).rbegin();i!=(x).rend();++i)
#define fast ios_base::sync_with_stdio(false); cin.tie(0);cout.tie(0)
int gcd(int a, int b) { return b ? gcd(b, a%b) : a; }
#define inf 1e18
const int mod=1e9+7;
const int N=2e5+9;
const long double pi=3.14159265358979323846;
void raushan_kumar(){

    /////////////////variables///////////////
    int d=0,e=0,f=0,g=0;
    double f1=0.0,f2=0.0,f3=0.0;
    int flag=0,ans=0,res=0,cnt=0,sum=0;
    /////////////////////////////////////////
    ld n;cin>>n;
    ld k=2*pi*n;
    cout<<k;    
}

int32_t main()
{
    fast;int t=1;
    //cin>>t;
    while(t--){
        raushan_kumar();
    }

}

Compiler output:
main.c:14:9: fatal error: bits/stdc++.h: No such file or directory
   14 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

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

int main(){
int R;
  cin >>R;
  const double PI = acos(-1.0);
  cout << R*2*PI<<endl;
  
}

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