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

#include <iostream>
using namespace std;

int main(){
  int a;
  cin >> a;
  cout << a+a^2+a^3 << endl
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: no match for 'operator^' (operand types are 'std::basic_ostream<char>' and 'int')
    7 |   cout << a+a^2+a^3 << endl
      |   ~~~~~~~~~~~^~~~
      |        |       |
      |        |       int
      |        std::basic_ostream<char>
a.cc:7:14: note: candidate: 'operator^(int, int)' (built-in)
    7 |   cout << a+a^2+a^3 << endl
      |   ~~~~~~~~~~~^~~~
a.cc:7:14: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int'
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
                 from /usr/include/c++/14/string:68,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/cstddef:146:3: note: candidate: 'constexpr std::byte std::operator^(byte, byte)'
  146 |   operator^(byte __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/14/cstddef:146:18: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::byte'
  146 |   operator^(byte __l, byte __r) noexcept
      |             ~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:94:3: note: candidate: 'constexpr std::_Ios_Fmtflags std::operator^(_Ios_Fmtflags, _Ios_Fmtflags)'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:94:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Fmtflags'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:144:3: note: candidate: 'constexpr std::_Ios_Openmode std::operator^(_Ios_Openmode, _Ios_Openmode)'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:144:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Openmode'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:191:3: note: candidate: 'constexpr std::_Ios_Iostate std::operator^(_Ios_Iostate, _Ios_Iostate)'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:191:26: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Iostate'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~^~~
a.cc:7:21: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
    7 |   cout << a+a^2+a^3 << endl
      |                   ~~^~~~~~~
Language: C++

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

#define UN unsigned
#define ll long long
#define mod 1000000007
#define pii pair<int, int>
#define pb push_back
//~ #define x first
//~ #define y second
// const int N = 1e6 + 5;

int main(void) {
#ifndef ONLINE_JUDGE
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#endif
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
	cerr.tie(nullptr);
	
	int a;
	cin >> a;
	cout << a(1 + a + a*a) << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:18: error: 'a' cannot be used as a function
   25 |         cout << a(1 + a + a*a) << endl;
      |                 ~^~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<math.h>
using namespace std;
int main(){
 int a;
  cin>>a>>b>>c;
  b = double pow(double a,double 2);
  c = double pow(double a,double 3);
  cout<<(a + b + c)<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:11: error: 'b' was not declared in this scope
    6 |   cin>>a>>b>>c;
      |           ^
a.cc:6:14: error: 'c' was not declared in this scope
    6 |   cin>>a>>b>>c;
      |              ^
a.cc:7:7: error: expected primary-expression before 'double'
    7 |   b = double pow(double a,double 2);
      |       ^~~~~~
a.cc:8:7: error: expected primary-expression before 'double'
    8 |   c = double pow(double a,double 3);
      |       ^~~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
 int a;
  cin>>a;
  cout<<(a + a^2 + a~3)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:21: error: expected ')' before '~' token
    6 |   cout<<(a + a^2 + a~3)<<endl;
      |         ~           ^
      |                     )
Language: Java

import java.util.Scanner;

public class A {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	}

}


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

#include <iostream>
using namespace std;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: 'a' was not declared in this scope
    6 |   cin >> a;
      |          ^
Language: C

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
return main()
{
    double size = 2 * pow(10, 5);
    int isize = (int)(size);
    char S[isize];
    char T[isize];
    if (scanf("%s", S) < 2)
    {
        fprintf(stderr, "error: ill-formed fraction.\n");
        return 1;
    }
    if (scanf("%s", T) < 2)
    {
        fprintf(stderr, "error: ill-formed fraction.\n");
        return 1;
    }
    unsigned long long s = 0;
    for (size_t i = 0; i < strlen(T); i++)
    {
        if (S[i] != T[i])
        {
            s++;
        }
    }
    printf("%lld\n", s);
    return 0;
}

Compiler output:
main.c:5:1: error: expected identifier or '(' before 'return'
    5 | return main()
      | ^~~~~~
Language: Java

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

public class Solution {

    private static FastScanner sc;

    private static class FastScanner {
        private Scanner sc;

        FastScanner() {
            sc = new Scanner(System.in);
        }

        public int ni() {
            return sc.nextInt();
        }

        public String ns() {
            return sc.nextLine();
        }

        public long nl() {
            return sc.nextLong();
        }

        public double nd() {
            return sc.nextDouble();
        }
    }

    private static void print(Object o) {
        System.out.print(o);
    }

    private static void println(Object o) {
        System.out.println(o);
    }
    
    private static void printf(String s, Object... data) {
    	System.out.printf(s, data);	
    }

    public static void main(String[] args) {
        sc = new FastScanner();

        solve();
    }

    private static void solve() {
       int n = sc.ni();

       println(n + n*n + n*n*n);
    }
}

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

#include<iostream>
using namespace std;
int main()
{
  int a;
  cin>>a;
  sum=(a+(a*a)+(a*a*a));
  cout<<sum<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'sum' was not declared in this scope
    7 |   sum=(a+(a*a)+(a*a*a));
      |   ^~~
Language: C

##include <stdio.h>

int main()
{
    int a,b;
    scanf("%d",&a);
    b = a + a*a + a*a*a;
    printf("%d",a);
    return 0;
}

Compiler output:
main.c:1:1: error: stray '##' in program
    1 | ##include <stdio.h>
      | ^~
main.c:1:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | ##include <stdio.h>
      |           ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int a;
  cin>>a;
  cout<<a+a*a+a*a*a;
  return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected ';' before '}' token
    7 |   return 0
      |           ^
      |           ;
    8 | }
      | ~
Language: Java

import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        int a= 2;
        int ant = x + x*x + x*x*x;
        System.out.println(ant);
    }
}


Compiler output:
Main.java:6: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                  ^
  symbol:   variable x
  location: class Main
Main.java:6: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                      ^
  symbol:   variable x
  location: class Main
Main.java:6: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                        ^
  symbol:   variable x
  location: class Main
Main.java:6: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                            ^
  symbol:   variable x
  location: class Main
Main.java:6: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                              ^
  symbol:   variable x
  location: class Main
Main.java:6: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                                ^
  symbol:   variable x
  location: class Main
6 errors
Language: Java

import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        int a= 2;
        int ant = x + x*x + x*x*x;
        System.out.println(ant);
    }
}


Compiler output:
Main.java:7: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                  ^
  symbol:   variable x
  location: class Main
Main.java:7: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                      ^
  symbol:   variable x
  location: class Main
Main.java:7: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                        ^
  symbol:   variable x
  location: class Main
Main.java:7: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                            ^
  symbol:   variable x
  location: class Main
Main.java:7: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                              ^
  symbol:   variable x
  location: class Main
Main.java:7: error: cannot find symbol
        int ant = x + x*x + x*x*x;
                                ^
  symbol:   variable x
  location: class Main
6 errors
Language: C++

#include <nits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define sz size
#define re return
#define gl getline
#define ll long long
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rept(i,a,b) for(int i=a;i<=b;i++) 
#define all(a) (a).begin(),(a).end()
#define inf 1<<30
int main(){
	int n;
	scanf("%d",&n);
	int ans=n+n*n+n*n*n;
	printf("%lld\n",ans);
	return 0;
}

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

#include <nits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define sz size
#define re return
#define gl getline
#define ll long long
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rept(i,a,b) for(int i=a;i<=b;i++) 
#define all(a) (a).begin(),(a).end()
#define inf 1<<30
int main(){
	long long n;
	cin>>n;
	cout<<n+n*n+n*n*n<<endl;
	return 0;
}

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

#include <iostream>
using namespace std;

int a;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:37: error: expected '}' at end of input
    8 |     cout << a+(a*a)+(a*a*a) << endl;
      |                                     ^
a.cc:6:12: note: to match this '{'
    6 | int main() {
      |            ^
Language: C++

#include <iostream>
int main()
{
	int p;
  	cin >> p;
  	cout << p + p*p + p*p*p << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |         cin >> p;
      |         ^~~
      |         std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |         cout << p + p*p + p*p*p << std::endl;
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

#include<sdtio.h>

int main()
{
	int a;
	scanf("%d", &a);
  	printf("%d",a + a * a + a * a * a);
	return 0;
}

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

class Main {
    public static void main(String[] args) {
        int a = stdIn.nextInt();
        //if (1 <= a && a <= 10)
        System.out.println(a*a*a + a*a + a);
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
        int a = stdIn.nextInt();
                ^
  symbol:   variable stdIn
  location: class Main
1 error
Language: Java

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

        int a = stdIn.nextInt();
        if (1 <= a && a <= 10)
        System.out.println(a*a*a + a*a + a);
    }
}

Compiler output:
Main.java:4: error: cannot find symbol
        int a = stdIn.nextInt();
                ^
  symbol:   variable stdIn
  location: class Main
1 error
Language: Java

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

        int a = stdIn.nextInt();
        if (1 <= a && a <= 10)
        System.out.println(a*a*a + a*a + a);
    }
}

Compiler output:
Main.java:4: error: cannot find symbol
        int a = stdIn.nextInt();
                ^
  symbol:   variable stdIn
  location: class Calc
1 error
Language: Java

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

        int a = stdIn.nextInt();
        if (1 <= a && a <= 10)
        System.out.println(a*a*a + a*a + a);
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
        Scanner stdIn = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner stdIn = new Scanner(System.in);
                            ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

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

        int a = stdIn.nextInt();
        System.out.println(a*a*a + a*a + a);
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
        Scanner stdIn = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner stdIn = new Scanner(System.in);
                            ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

void solve(int n) {
    cout << n + n*n + n*n*n << endl;
}

int main() {

    solve(10);
}

Compiler output:
a.cc: In function 'void solve(int)':
a.cc:2:5: error: 'cout' was not declared in this scope
    2 |     cout << n + n*n + n*n*n << endl;
      |     ^~~~
a.cc:2:32: error: 'endl' was not declared in this scope
    2 |     cout << n + n*n + n*n*n << endl;
      |                                ^~~~
Language: C++

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

int exp(int a, int n) {
  if(n == 0) return 1;
  else {
    int ret = exp(a, n-1)*a;
    return ret;
}

int main() {
  int a; 
  cin >> a;
  int ans = 0;
  ans = exp(a, 3) + exp(a, 2) + exp(a, 1);
  cout << ans << endl;
}
  
  

Compiler output:
a.cc: In function 'int exp(int, int)':
a.cc:11:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   11 | int main() {
      |         ^~
a.cc:11:9: note: remove parentheses to default-initialize a variable
   11 | int main() {
      |         ^~
      |         --
a.cc:11:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:11:12: error: a function-definition is not allowed here before '{' token
   11 | int main() {
      |            ^
a.cc:17:2: error: expected '}' at end of input
   17 | }
      |  ^
a.cc:4:23: note: to match this '{'
    4 | int exp(int a, int n) {
      |                       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
                       ///****   Hasebul Hassan Chowdhury ***////
#define ms(a,v)        memset(a,v,sizeof a)
#define lll            long long
#define FOR(i,a,b)     for(int i=a;i<=b;i++)
#define fast           ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define Read           freopen("input.txt", "r", stdin)
#define Write          freopen("output.txt", "w", stdout)
#define INF            1e18


void solve()
{
   int n;
   cin>>a;
   cout<<a+(a*a)+(a*a*a)<<endl;
}


int main()
{
    fast
    #ifndef ONLINE_JUDGE
    //Read;
    //Write;
    #endif
    //int t; cin>>t; while(t--) solve();
    solve();

}


Compiler output:
a.cc: In function 'void solve()':
a.cc:16:9: error: 'a' was not declared in this scope
   16 |    cin>>a;
      |         ^
Language: C++

#include <bits/stdc++.h>

///#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,avx,sse4.1,sse4.2,mmx")
///#pragma GCC optimize ("unroll-loops")
///#pragma GCC optimize ("Ofast")
///#pragma GCC optimize ("O3")

using namespace std;

#define int long long
#define ff first
#define ss second
#define db double
#define ld long double
#define pb push_back

const int N = 1e6 + 5, M = 1e3 + 5;
const int inf = 1e9 + 100, mod = 1e9 + 7;
const ld eps = 1e-9, pi = atan2(0, -1);

mt19937_64 mt_rnd_64(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l, int r){
    return mt_rnd_64() % (r - l + 1) + l;
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;

    cout << a + a * a + a * a * a;
    return 0;
}
/// hto ya? zvychayna domohospodarka chy president Ykrainy?


Compiler output:
a.cc: In function 'int main()':
a.cc:33:13: error: 'a' was not declared in this scope
   33 |     cout << a + a * a + a * a * a;
      |             ^
Language: C++

#include<stdio.h>
#include<conio.h>
#include<iostream>
using namespace std;
int main()
{
  int a,input;
  cout<<"----Calc----\n";
  cout<<"----enter input:";
  cin>>input;
  a=input+input*input+input*input*input;
  cout<<"----Result is:\n"<<a;
  getch();
  return 0;
}

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

int calc(int a){
    
    if (a<=10||a>=1){
   a=a+a*a+a*a*a;
    }
    return a;
}


int main(){
    int a=2;
    printf("%d\n",calc(a)); 
    return 0;   
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: 'printf' was not declared in this scope
   12 |     printf("%d\n",calc(a));
      |     ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int calc(int a){
Language: C

#include <stdio.h>

int main(){
    int a;
    scanf("%d", &a);
    if(1<=a && a<=10) printf("%d\n", a+(a*a)+(a*a*a));./
}

Compiler output:
main.c: In function 'main':
main.c:6:55: error: expected expression before '.' token
    6 |     if(1<=a && a<=10) printf("%d\n", a+(a*a)+(a*a*a));./
      |                                                       ^
Language: C

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

int main()
{
    int n;
    char buf[30];

    fget(buf, sizeof(buf),stdin);

    n = atoi(buf);

    n = n + n^2 + n^3

    printf("%d\n", n);

}

Compiler output:
main.c: In function 'main':
main.c:10:5: error: implicit declaration of function 'fget'; did you mean 'fgets'? [-Wimplicit-function-declaration]
   10 |     fget(buf, sizeof(buf),stdin);
      |     ^~~~
      |     fgets
main.c:14:22: error: expected ';' before 'printf'
   14 |     n = n + n^2 + n^3
      |                      ^
      |                      ;
   15 | 
   16 |     printf("%d\n", n);
      |     ~~~~~~
Language: C

#include <stdio.h>
int a(int a){
    return a + a*a + a*a*a;
}

int main(){
    int b;
    scanf("%d",&b)
    printf("%d/n",a(b));
}

Compiler output:
main.c: In function 'main':
main.c:8:19: error: expected ';' before 'printf'
    8 |     scanf("%d",&b)
      |                   ^
      |                   ;
    9 |     printf("%d/n",a(b));
      |     ~~~~~~
Language: C

#include <stdio.h>
#include <math.h>


int powc(int a){
    if (1 <= a && 10 >=a){
        int i = a + pow(a,2) + pow(a,3);
        return i;
    }
    else {
        return 1;
    }
}
 
int main(void){
    int a;
    scanf("%d",&a);
    printf("%d\n", powcalc(a));
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:18:20: error: implicit declaration of function 'powcalc'; did you mean 'powc'? [-Wimplicit-function-declaration]
   18 |     printf("%d\n", powcalc(a));
      |                    ^~~~~~~
      |                    powc
Language: C

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

double sum(int a){
    return a + a * a + a * a * a
}

int main()
{
    int n;
    char buf[30];

    fgets(buf, sizeof(buf), stdin);

    n = atoi(buf);

    printf("%d\n", n);
}

Compiler output:
main.c: In function 'sum':
main.c:6:33: error: expected ';' before '}' token
    6 |     return a + a * a + a * a * a
      |                                 ^
      |                                 ;
    7 | }
      | ~
Language: C

#include <studio.h>
#include <stdlib.h>
#include <string.h>

double sum(int a){
    return a + a * a + a * a * a
}

int main()
{
    int n;
    char buf[30];

    fgets(buf, sizeof(buf), stdin);

    n = atoi(buf);

    printf("%d\n", n);
}

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

int calc(int a){
    printf("%d", a + a*a + a*a*a);
}

Compiler output:
main.c: In function 'calc':
main.c:2:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    2 |     printf("%d", a + a*a + a*a*a);
      |     ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | int calc(int a){
main.c:2:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    2 |     printf("%d", a + a*a + a*a*a);
      |     ^~~~~~
main.c:2:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include <stdio.h>

int calc(int a){
    return a + a*a + a*a*a;
}

int main(){
    int a = 1;
    print("%d",calc(a));
}

Compiler output:
main.c: In function 'main':
main.c:9:5: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
    9 |     print("%d",calc(a));
      |     ^~~~~
      |     printf
Language: C

int calc(int a){
    return a + a*a + a*a*a;
}

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 <stdio.h>

int main(){
    int a;
    printf("");
    scanf("%d",&a)
    print("%d",a+a*a+a*a*a);

    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:6:19: error: expected ';' before 'print'
    6 |     scanf("%d",&a)
      |                   ^
      |                   ;
    7 |     print("%d",a+a*a+a*a*a);
      |     ~~~~~
Language: C

#include <stdio.h>

int main(){
    int a;
    printf("",a);
    scanf("%d",&a)
    print("%d",a+a*a;a*a*a);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:19: error: expected ';' before 'print'
    6 |     scanf("%d",&a)
      |                   ^
      |                   ;
    7 |     print("%d",a+a*a;a*a*a);
      |     ~~~~~
Language: C

#include <stdio.h>

int main(){
    printf("",a);
    scanf("%d",&a)
    print("%d",a+a*a;a*a*a);

    return 0;

  }

Compiler output:
main.c: In function 'main':
main.c:4:15: error: 'a' undeclared (first use in this function)
    4 |     printf("",a);
      |               ^
main.c:4:15: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:19: error: expected ';' before 'print'
    5 |     scanf("%d",&a)
      |                   ^
      |                   ;
    6 |     print("%d",a+a*a;a*a*a);
      |     ~~~~~
Language: C

#include <stdio.h>

int main()
{
  int a;
  pritnf("");
  scanf("%d", &a);
  printf("%d\n", a+a*a+a*a*a);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: implicit declaration of function 'pritnf'; did you mean 'printf'? [-Wimplicit-function-declaration]
    6 |   pritnf("");
      |   ^~~~~~
      |   printf
Language: C++

#include <stdio.h>

int main(){
    int a;
    int b;
    b = a + a*a + a*a*a
    printf("%d\n",b);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:24: error: expected ';' before 'printf'
    6 |     b = a + a*a + a*a*a
      |                        ^
      |                        ;
    7 |     printf("%d\n",b);
      |     ~~~~~~
Language: C

#include <stdio.h>

int main(){
    int a;
    int b;
    b = a + a*a + a*a*a
    printf("%d\n",b);
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:6:24: error: expected ';' before 'printf'
    6 |     b = a + a*a + a*a*a
      |                        ^
      |                        ;
    7 |     printf("%d\n",b);
      |     ~~~~~~
Language: C

#include <stdio.h>
int main(void){
    int a;
    a=2;
printf(a*(1+a+a**2));

}


Compiler output:
main.c: In function 'main':
main.c:5:17: error: invalid type argument of unary '*' (have 'int')
    5 | printf(a*(1+a+a**2));
      |                 ^~
Language: C++

#include <stdio.h>

int calc(int a)
{
    return  a + (a * a) + (a * a * a);
}

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 <stdio.h>

int calc(int a)
{
    printf("%d\n", a + (a * a) + (a * a * a));
    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 <stdio.h>

int main()[
    scanf("%d",&a);
    print("%d",a+a^2;a^3);

    return 0;

]

Compiler output:
main.c:4:17: error: 'a' undeclared here (not in a function)
    4 |     scanf("%d",&a);
      |                 ^
main.c:4:19: error: expected ']' before ';' token
    4 |     scanf("%d",&a);
      |                   ^
      |                   ]
Language: C

#include <stdio.h>
#include <math.h>

int a(int a){
    return a+pow(a,2)+pow(a,3);
}

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'
/usr/bin/ld: /tmp/ccIDbCCH.o: in function `a':
main.c:(.text+0x39): undefined reference to `pow'
/usr/bin/ld: main.c:(.text+0x67): undefined reference to `pow'
collect2: error: ld returned 1 exit status
Language: C++

int a_add(a){
    return a + a*a + a*a*a;
}

int main(){
    printf("%d\n",a_add(2));
}

Compiler output:
a.cc:1:11: error: 'a' was not declared in this scope
    1 | int a_add(a){
      |           ^
a.cc: In function 'int main()':
a.cc:6:24: error: 'a_add' cannot be used as a function
    6 |     printf("%d\n",a_add(2));
      |                   ~~~~~^~~
a.cc:6:5: error: 'printf' was not declared in this scope
    6 |     printf("%d\n",a_add(2));
      |     ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int a_add(a){
Language: Java

import java.util.*;
public class Main{
	int pow(int x,int y){
		if(y==0)
			return 1;
		if(y==1)
			return x;
		int temp=pow(x,y/2);
		if(y%2==0)
			return temp*temp;
		else
			return x*temp*temp;
	}
	public static void main(String[] args){
		Solution obj=new Solution();
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		System.out.println(obj.pow(a,1)+obj.pow(a,2)+obj.pow(a,3));
	}
}

Compiler output:
Main.java:15: error: cannot find symbol
		Solution obj=new Solution();
		^
  symbol:   class Solution
  location: class Main
Main.java:15: error: cannot find symbol
		Solution obj=new Solution();
		                 ^
  symbol:   class Solution
  location: class Main
2 errors
Language: Java

import java.util.*;
public class Solution{
	int pow(int x,int y){
		if(y==0)
			return 1;
		if(y==1)
			return x;
		if(y%2==0)
			return pow(x,y/2)*pow(x,y/2);
		else
			return x*pow(x,y/2)*pow(x,y/2);
	}
	public static void main(String[] args){
		Solution obj=new Solution();
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		System.out.println(Math.pow(a,1)+Math.pow(a,2)+Math.pow(a,3));
	}
}

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

import java.util.*;
public class Solution{
	int pow(int x,int y){
		if(y==0)
			return 1;
		if(y==1)
			return x;
		if(y%2==0)
			return pow(x,y/2)*pow(x,y/2);
		else
			return x*pow(x,y/2)*pow(x,y/2);
	}
	public static void main(String[] args){
		Solution obj=new Solution();
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		System.out.println(obj.pow(a,1)+obj.pow(a,2)+obj.pow(a,3));
	}
}

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

#include<bits/sdtc++.h>
using namespace std;
int main()
{
  int a;
  cin>>a;
  long res=a+a*a+a*a*a;
  cout<<res;
}

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

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

int f(int a){
  	int c=0;
  	if(a==1)
      	c=1;
  	else{
		for(int i=1;i<a;i++){
    		if(a%i==0)
          		c++;
    	}
    }
  	return c;
}
int main(){
	int n;
  	cin >> n;
  	int c,sumofdivisors=0;
  	for(int i=1;i<=n;i++){
    	c = f(i);
      	sumofdivisors += i*c; 
    }
  	cout << sumofdivisors;
  	return 0;
}


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #innclude; did you mean #include?
    1 | #innclude <bits/stdc++.h>
      |  ^~~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:18:9: error: 'cin' was not declared in this scope
   18 |         cin >> n;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #innclude <bits/stdc++.h>
a.cc:24:9: error: 'cout' was not declared in this scope
   24 |         cout << sumofdivisors;
      |         ^~~~
a.cc:24:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <iostream>
#include <cmath>
using namespace std
  int main(){
  int a;
  cin>>a;
  int k=a+pow(a,2)+pow(a,3);
  cout<<k;
  return 0;
}

Compiler output:
a.cc:3:20: error: expected ';' before 'int'
    3 | using namespace std
      |                    ^
      |                    ;
    4 |   int main(){
      |   ~~~
Language: C++

#include <iostream>
using namespace std
 int main(){
  int a;
  cin>>n;
  k=a+pow(a,2)+pow(a,3);
  cout<<k;
  return 0;
}
  

Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 |  int main(){
      |  ~~~                
a.cc: In function 'int main()':
a.cc:5:8: error: 'n' was not declared in this scope
    5 |   cin>>n;
      |        ^
a.cc:6:3: error: 'k' was not declared in this scope
    6 |   k=a+pow(a,2)+pow(a,3);
      |   ^
a.cc:6:7: error: 'pow' was not declared in this scope
    6 |   k=a+pow(a,2)+pow(a,3);
      |       ^~~
Language: C++

#include<iostresm>
using namespace std;
int main()
{
	int a;
  	cin >> a;
  	cout << a+(a*a)+(a*a*a);
}

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

#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  cout << n+pos(n,2)+pos(n,3) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: 'pos' was not declared in this scope; did you mean 'pow'?
    6 |   cout << n+pos(n,2)+pos(n,3) << endl;
      |             ^~~
      |             pow
Language: Java

import java.util.*;class Main{public static void main(String[] a){int i=Scanner(System.in).nextInt();System.out.println(i+i*i+i*i*i);}}

Compiler output:
Main.java:1: error: cannot find symbol
import java.util.*;class Main{public static void main(String[] a){int i=Scanner(System.in).nextInt();System.out.println(i+i*i+i*i*i);}}
                                                                        ^
  symbol:   method Scanner(InputStream)
  location: class Main
1 error
Language: Java

import java.io.*;
import java.util.StringTokenizer;

public class Problem4 {

    public static void main (String [] args) throws IOException {
        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(System.out);
        //--------------------------START CODING HERE-----------------------------

        String  line= f.readLine();

        int DA = Integer.parseInt(line);

        System.out.print((int)(Math.pow(DA,3)+Math.pow(DA,2)+Math.pow(DA,1)));

        out.close();
    }
}

Compiler output:
Main.java:4: error: class Problem4 is public, should be declared in a file named Problem4.java
public class Problem4 {
       ^
1 error
Language: Java

        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(System.out);
        //--------------------------START CODING HERE-----------------------------

        String  line= f.readLine();

        int DA = Integer.parseInt(line);

        System.out.print((int)(Math.pow(DA,3)+Math.pow(DA,2)+Math.pow(DA,1)));

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        ^
  (use --enable-preview to enable unnamed classes)
Main.java:9: error: class, interface, enum, or record expected
        System.out.print((int)(Math.pow(DA,3)+Math.pow(DA,2)+Math.pow(DA,1)));
        ^
2 errors
Language: Java

import java.io.*;
import java.util.StringTokenizer;

class Problem4 {

    public static void main (String [] args) throws IOException {
        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(System.out);
        //--------------------------START CODING HERE-----------------------------

        String  line= f.readLine();

        int DA = Integer.parseInt(line);

        out.print((int)(Math.pow(DA,3)+Math.pow(DA,2)+Math.pow(DA,1)));

        out.close();
    }

Compiler output:
Main.java:18: error: reached end of file while parsing
    }
     ^
1 error
Language: Java

import java.io.*;
import java.util.StringTokenizer;

public class Problem4 {

    public static void main (String [] args) throws IOException {
        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(System.out);
        //--------------------------START CODING HERE-----------------------------

        String  line= f.readLine();

        int DA = Integer.parseInt(line);

        out.print(Math.pow(DA,3)+Math.pow(DA,2)+Math.pow(DA,1));

        out.close();
    }
}

Compiler output:
Main.java:4: error: class Problem4 is public, should be declared in a file named Problem4.java
public class Problem4 {
       ^
1 error
Language: C

int a;

scanf("%d",&a);
if(a>=1&&a<=10)
  printf("%d",a);

Compiler output:
main.c:3:7: error: expected declaration specifiers or '...' before string constant
    3 | scanf("%d",&a);
      |       ^~~~
main.c:3:12: error: expected declaration specifiers or '...' before '&' token
    3 | scanf("%d",&a);
      |            ^
main.c:4:1: error: expected identifier or '(' before 'if'
    4 | if(a>=1&&a<=10)
      | ^~
Language: C++

int a;
cin>>a;
cout<<a+a*a+a*a*a;

Compiler output:
a.cc:2:1: error: 'cin' does not name a type
    2 | cin>>a;
      | ^~~
a.cc:3:1: error: 'cout' does not name a type
    3 | cout<<a+a*a+a*a*a;
      | ^~~~
Language: C

#include <stdio.h>

int main(void) {
	scanf("%d",a);
	printf("%d",a+a*a+a*a*a);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:20: error: 'a' undeclared (first use in this function)
    4 |         scanf("%d",a);
      |                    ^
main.c:4:20: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(){
    int a,ans;

    scanf("%d",&a);


    printf("%d\n",a + (a*a) + (a*a*a);

    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:9:38: error: expected ')' before ';' token
    9 |     printf("%d\n",a + (a*a) + (a*a*a);
      |           ~                          ^
      |                                      )
main.c:11:14: error: expected ';' before '}' token
   11 |     return 0;
      |              ^
      |              ;
   12 | }
      | ~
Language: C++

int main() 
{
	ios_base::sync_with_stdio(0); cin.tie(0);    
	
    int a;
  	cin >> a;
    cout << a + a*a + a*a*a << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:9: error: 'ios_base' has not been declared
    3 |         ios_base::sync_with_stdio(0); cin.tie(0);
      |         ^~~~~~~~
a.cc:3:39: error: 'cin' was not declared in this scope
    3 |         ios_base::sync_with_stdio(0); cin.tie(0);
      |                                       ^~~
a.cc:7:5: error: 'cout' was not declared in this scope
    7 |     cout << a + a*a + a*a*a << endl;
      |     ^~~~
a.cc:7:32: error: 'endl' was not declared in this scope
    7 |     cout << a + a*a + a*a*a << endl;
      |                                ^~~~
Language: C

#include<stdio.h>
int main()
{
  int a,sum;
  scanf("%d",&a);
  sum=a+(a*a)+(a*a*a)
    printf("%d\n",sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:22: error: expected ';' before 'printf'
    6 |   sum=a+(a*a)+(a*a*a)
      |                      ^
      |                      ;
    7 |     printf("%d\n",sum);
      |     ~~~~~~
Language: Java

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!

        Scanner sc = new Scanner (System.in);
        
        int a = sc.nextInt();
     double b = Math.pow(a, 2);
     double c = Math.pow(a, 3);
    
        System.out.println((int)a+(int)b+(int)c);
    
    
    }
}

Compiler output:
Main.java:5: error: cannot find symbol
        Scanner sc = new Scanner (System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:5: error: cannot find symbol
        Scanner sc = new Scanner (System.in);
                         ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

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

#ifdef LOCAL
#define debug(var) cerr << (#var) << " = " << (var) << endl;
#else
#define debug(var)
#endif

void init() {
  ios_base::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
}

void solve() {
  int n; scanf("%d", &n);
  printf("%d", a+a*a+a*a*a);
}

int main() {
  init();
  int t = 1; //scanf("%d", &t);
  while (t--) {
    solve();
  }
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:17:16: error: 'a' was not declared in this scope
   17 |   printf("%d", a+a*a+a*a*a);
      |                ^
Language: C

#include <stdio.h>

int main (void){
    int a;
    scanf("%d\n", &a);
    int b = a + a*a + a*a*a;
    printf("%d\n" b);
    return 0;
}   


Compiler output:
main.c: In function 'main':
main.c:7:18: error: expected ')' before 'b'
    7 |     printf("%d\n" b);
      |           ~      ^~
      |                  )
Language: C++

# include <bits/stdc++.h>

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |     cin >> a;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |     cout << a + a*a + a*a*a << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:6:32: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |     cout << a + a*a + a*a*a << endl;
      |                                ^~~~
      |                                std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C

#include <stdio.h>

int main(void){
    int a;
    scanf("%d", &a);
    printf("%d\n", a+a*a+a*a*a)
}


Compiler output:
main.c: In function 'main':
main.c:6:32: error: expected ';' before '}' token
    6 |     printf("%d\n", a+a*a+a*a*a)
      |                                ^
      |                                ;
    7 | }
      | ~
Language: C

        #include <stdio.h>
        #include <string.h>
         
        int main (void){
          char S[200001], T[200001];
          int i = 0, ans = 0;
          scanf("%s %s", &S, &t);
          for(i = 0; i < strlen(s); i++){
             if(s[i] != t[i]){
               ans++;
             }
          }
        }

Compiler output:
main.c: In function 'main':
main.c:7:31: error: 't' undeclared (first use in this function)
    7 |           scanf("%s %s", &S, &t);
      |                               ^
main.c:7:31: note: each undeclared identifier is reported only once for each function it appears in
main.c:8:33: error: 's' undeclared (first use in this function)
    8 |           for(i = 0; i < strlen(s); i++){
      |                                 ^
Language: C

    #include <stdio.h>
    #include <string.h>
     
    int main (void){
      char S[200001], T[200001];
      int i = 0, ans = 0;
      scanf("%s","%s", &S, &t);
      for(i = 0; i < strlen(s); i++){
         if(s[i] != t[i]){
           ans++;
         }
      }
    }

Compiler output:
main.c: In function 'main':
main.c:7:29: error: 't' undeclared (first use in this function)
    7 |       scanf("%s","%s", &S, &t);
      |                             ^
main.c:7:29: note: each undeclared identifier is reported only once for each function it appears in
main.c:8:29: error: 's' undeclared (first use in this function)
    8 |       for(i = 0; i < strlen(s); i++){
      |                             ^
Language: C

#include<stdio.h>
 
int main(void) {
  char s[200001], t[200001];
  int i = 0, a=0;
  scanf("%s", s);
  scanf("%s", t);
  
  for (i = 0; i < strlen(s); i++) {
    if(s[i] != t[i]) {
      a++;
    }
  }
  printf("%d", a);
  return 0;

Compiler output:
main.c: In function 'main':
main.c:9:19: error: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    9 |   for (i = 0; i < strlen(s); i++) {
      |                   ^~~~~~
main.c:2:1: note: include '<string.h>' or provide a declaration of 'strlen'
    1 | #include<stdio.h>
  +++ |+#include <string.h>
    2 | 
main.c:9:19: warning: incompatible implicit declaration of built-in function 'strlen' [-Wbuiltin-declaration-mismatch]
    9 |   for (i = 0; i < strlen(s); i++) {
      |                   ^~~~~~
main.c:9:19: note: include '<string.h>' or provide a declaration of 'strlen'
main.c:15:3: error: expected declaration or statement at end of input
   15 |   return 0;
      |   ^~~~~~
Language: C

#include<stdio.h>

int main(void) {
  char s[200001], t[200001];
  int i = 0, a=0;
  scanf("%s", s);
  scanf("%s", t);
  
  for (i = 0; i < strlen(s); i++) {
    if(s[i] != t[i] {
      a++;
    }
  }
  printf("%d", cor);
  return 0;
}
       

Compiler output:
main.c: In function 'main':
main.c:9:19: error: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    9 |   for (i = 0; i < strlen(s); i++) {
      |                   ^~~~~~
main.c:2:1: note: include '<string.h>' or provide a declaration of 'strlen'
    1 | #include<stdio.h>
  +++ |+#include <string.h>
    2 | 
main.c:9:19: warning: incompatible implicit declaration of built-in function 'strlen' [-Wbuiltin-declaration-mismatch]
    9 |   for (i = 0; i < strlen(s); i++) {
      |                   ^~~~~~
main.c:9:19: note: include '<string.h>' or provide a declaration of 'strlen'
main.c:10:20: error: expected ')' before '{' token
   10 |     if(s[i] != t[i] {
      |       ~            ^~
      |                    )
main.c:13:3: error: expected expression before '}' token
   13 |   }
      |   ^
main.c:14:16: error: 'cor' undeclared (first use in this function)
   14 |   printf("%d", cor);
      |                ^~~
main.c:14:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void){
int a;
 1<= a<=10
scanf("%d",&a);
printf("%d",a+(a*a)+(a*a*a)
}


Compiler output:
main.c: In function 'main':
main.c:5:11: error: expected ';' before 'scanf'
    5 |  1<= a<=10
      |           ^
      |           ;
    6 | scanf("%d",&a);
      | ~~~~~      
main.c:7:28: error: expected ')' before '}' token
    7 | printf("%d",a+(a*a)+(a*a*a)
      |       ~                    ^
      |                            )
    8 | }
      | ~                           
main.c:7:28: error: expected ';' before '}' token
    7 | printf("%d",a+(a*a)+(a*a*a)
      |                            ^
      |                            ;
    8 | }
      | ~
Language: C

#include <stdio.h>

int main(void){
int a;
scanf("%d",&a);
printf("%d",a+(a*a)+(a*a*a)
}


Compiler output:
main.c: In function 'main':
main.c:6:28: error: expected ')' before '}' token
    6 | printf("%d",a+(a*a)+(a*a*a)
      |       ~                    ^
      |                            )
    7 | }
      | ~                           
main.c:6:28: error: expected ';' before '}' token
    6 | printf("%d",a+(a*a)+(a*a*a)
      |                            ^
      |                            ;
    7 | }
      | ~