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

import java.util.Scanner;

{

public class Problem1.java {

    public static void main(String[] args) {

        int n, sum = 0;

        Scanner input = new Scanner(System.in);

        n = input.nextInt();

        if (n >= 1 && n <= 100) {

            for (int i = 1; i <= n; i++) {

                sum = sum + i;
            }

            System.out.println(sum);
        }

    }

  }
}


Compiler output:
Main.java:3: error: class, interface, enum, or record expected
{
^
Main.java:5: error: '{' expected
public class Problem1.java {
                     ^
Main.java:28: error: class, interface, enum, or record expected
}
^
3 errors
Language: Java

import java.util.Scanner;

public class Problem1.java {

    public static void main(String[] args) {

        int n, sum = 0;

        Scanner input = new Scanner(System.in);

        n = input.nextInt();

        if (n >= 1 && n <= 100) {

            for (int i = 1; i <= n; i++) {

                sum = sum + i;
            }

            System.out.println(sum);
        }

    }

}


Compiler output:
Main.java:3: error: '{' expected
public class Problem1.java {
                     ^
1 error
Language: Java

import java.util.Scanner;

public class Problem1 {

    public static void main(String[] args) {

        int n, sum = 0;

        Scanner input = new Scanner(System.in);

        n = input.nextInt();

        if (n >= 1 && n <= 100) {

            for (int i = 1; i <= n; i++) {

                sum = sum + i;
            }

            System.out.println(sum);
        }

    }

}


Compiler output:
Main.java:3: error: class Problem1 is public, should be declared in a file named Problem1.java
public class Problem1 {
       ^
1 error
Language: Java

import java.util.Scanner;
public class Main
{
  public static void main(String args[])
  {
    Scanner sc=new Scanner(System.in);
    int n=sc.nextInt();
    ans=(n*(n+1))/2;
    System.out.println(ans);
    sc.close();
  }
}

Compiler output:
Main.java:8: error: cannot find symbol
    ans=(n*(n+1))/2;
    ^
  symbol:   variable ans
  location: class Main
Main.java:9: error: cannot find symbol
    System.out.println(ans);
                       ^
  symbol:   variable ans
  location: class Main
2 errors
Language: Java

import java.util.Scanner
public class Main
{
  public static void main(String args[])
  {
    Scanner sc=new Scanner(System.in);
    int n=sc.nextInt();
    ans=(n*(n+1))/2;
    System.out.println(ans);
  }
}

Compiler output:
Main.java:1: error: ';' expected
import java.util.Scanner
                        ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N;
  cin >> N;
  cout << N*(N+1)/2 << endl;
  ]
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: expected primary-expression before ']' token
    8 |   ]
      |   ^
a.cc:8:4: error: expected '}' at end of input
    8 |   ]
      |    ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

#include<stdio.h>
int main(void){
  int i,n,sum;
  scanf("%d",&n);
  for(i = 1,i <= n,i++) sum += i;
  printf(sum);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:5:23: error: expected ';' before ')' token
    5 |   for(i = 1,i <= n,i++) sum += i;
      |                       ^
      |                       ;
main.c:5:23: error: expected expression before ')' token
main.c:6:10: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
    6 |   printf(sum);
      |          ^~~
      |          |
      |          int
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C

#include<stdio.h>
int main(void){
  int i,n,sum;
  for(i = 1,i <= n,i++) sum += i;
  printf(sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:23: error: expected ';' before ')' token
    4 |   for(i = 1,i <= n,i++) sum += i;
      |                       ^
      |                       ;
main.c:4:23: error: expected expression before ')' token
main.c:5:10: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
    5 |   printf(sum);
      |          ^~~
      |          |
      |          int
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C

#include〈stdio.h〉
int main() {
	int n;
	int i=0;

	scanf("%d", &n);

	i = n * (n + 1) / 2;

	printf("%d",i );
	
	return 0;
}

Compiler output:
main.c:1:9: error: #include expects "FILENAME" or <FILENAME>
    1 | #include〈stdio.h〉
      |         ^~
main.c: In function 'main':
main.c:6:9: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    6 |         scanf("%d", &n);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #include〈stdio.h〉
main.c:6:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    6 |         scanf("%d", &n);
      |         ^~~~~
main.c:6:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:10:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 |         printf("%d",i );
      |         ^~~~~~
main.c:10:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:10:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

#include <iostream>
#include <vector>
#include <iostream>
#include <cstdio>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <algorithm>
#include <cmath>
#include <queue>
#include <deque>
#include <stack>
 
#define ll long long
#define pb push_back
#define vi vector<int>
#define sz(a) (int((a).size()))
#define mp make_pair
#define f first
#define s second
#define pii pair<int, int>
 
using namespace std;
 
const int mod = 998244353;
const int inf = (int)2e9;
const ll INF = (ll)2e18;
const int N = 100100;

int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> n;
	cout << n * (n + 1) / 2;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:16: error: 'n' was not declared in this scope
   33 |         cin >> n;
      |                ^
Language: C++

 
using namespace std;
int main(){
  int n, ans=0;
  cin >> n;
  for(int i = 1; i <= n; i++){
    ans+=i;
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   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 | 
a.cc:9:3: error: 'cout' was not declared in this scope
    9 |   cout << ans << endl;
      |   ^~~~
a.cc:9:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:18: error: 'endl' was not declared in this scope
    9 |   cout << ans << endl;
      |                  ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 |
Language: C++

#include <bits.\h++>
int main(){
  int n, ans=0;
  cin >> n;
  for(int i = 1; i <= n; i++){
    ans+=i;
  }
  cout << ans << endl;
}

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

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

int main()
{
  	int n;
  	cin>>n;
  	cout<<n*(n-1)/2<<"\n";
	return 0;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namesapce'
    2 | using namesapce std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |         cin>>n;
      |         ^~~
      |         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:8:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |         cout<<n*(n-1)/2<<"\n";
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: Java

package abc043;

import java.util.Scanner;

public class Abc043 {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		//スキャナ宣言
		Scanner sc = new Scanner(System.in);

		//子供の人数Nを入力
		int N = sc.nextInt();

		//N人の子供に対して合計何個のキャンディーがいるかを算出する。
		int candySum = 0;
		for (int i = 1; i <= N; i++) {
			candySum = candySum + i;
		}

		//結果の出力
		System.out.println(candySum);
	}

}

Compiler output:
Main.java:5: error: class Abc043 is public, should be declared in a file named Abc043.java
public class Abc043 {
       ^
1 error
Language: C++

#include<iostream>
using namespace std;

int main(){
  int n,i,a;
  
  cin>>n;
  
  for(i=1,i<=n,i++){
    a += i;
  }
  
  cout<<a;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: expected ';' before ')' token
    9 |   for(i=1,i<=n,i++){
      |                   ^
      |                   ;
a.cc:15:3: error: expected primary-expression before 'return'
   15 |   return 0;
      |   ^~~~~~
a.cc:13:11: error: expected ')' before 'return'
   13 |   cout<<a;
      |           ^
      |           )
   14 | 
   15 |   return 0;
      |   ~~~~~~   
a.cc:9:6: note: to match this '('
    9 |   for(i=1,i<=n,i++){
      |      ^
Language: C++

#include<stdio.h>

int main()
{
  	int n;
  	int ans;
  	scanf("%d", &n);
  	ans = (n*(n+1))/2;
  	printf("%d\n", ans);
  	return;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   10 |         return;
      |         ^~~~~~
Language: Java




public class Main {
    static Scanner sc = new Scanner(System.in);


    public static void main(String[] args) {
        int n = sc.nextInt();
        int ans = 0;
        for (int i = 1; i <= n; i++) {
            ans += i;
        }
        System.out.println(ans);
    }

}


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

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

int main() {
  int x;
  cin >> x;
  cout << x(x+1)/2 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:12: error: 'x' cannot be used as a function
    7 |   cout << x(x+1)/2 << endl;
      |           ~^~~~~
Language: C++

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

int main() {
  int x;
  cin >> x;
  cout << n*(n+1)/2 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: 'n' was not declared in this scope
    7 |   cout << n*(n+1)/2 << endl;
      |           ^
Language: C

#include <iostream>
using namespace std;
int main(){
    int N;
    cin >> N;
    char S[N];
    cin >> S;
    int ans;
    for(int i = 0; i<=N; N++){
        ans = ans + i;
    }
    cout << ans << endl;
}


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

import java.util.*;
public class Main {

    public static void main(String[] args) {
        Scanner yomi = new Scanner(System.in);
        int n = yomi.nextInt();
        int n2=0;
        for (int i=1;i<=n;i+){
            n2=n2+i;
        }
        System.out.println(n2);
    }
}

Compiler output:
Main.java:8: error: illegal start of expression
        for (int i=1;i<=n;i+){
                            ^
Main.java:8: error: not a statement
        for (int i=1;i<=n;i+){
                           ^
2 errors
Language: C++

#include<iostream>
using namespace std;

int main{
  int N;
  cin >> N;
  cout << N * (N+1) /2 << endl;
  return 0;
}


Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:3: error: expected primary-expression before 'int'
    5 |   int N;
      |   ^~~
a.cc:5:3: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:3: error: 'cin' does not name a type
    6 |   cin >> N;
      |   ^~~
a.cc:7:3: error: 'cout' does not name a type
    7 |   cout << N * (N+1) /2 << endl;
      |   ^~~~
a.cc:8:3: error: expected unqualified-id before 'return'
    8 |   return 0;
      |   ^~~~~~
a.cc:9:1: error: expected declaration before '}' token
    9 | }
      | ^
Language: C++

#include<iostream>
using namespace std;

int main{
  int N;
  cout << N * (N+1) /2 << endl;
  return 0;
}

Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:3: error: expected primary-expression before 'int'
    5 |   int N;
      |   ^~~
a.cc:5:3: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:3: error: 'cout' does not name a type
    6 |   cout << N * (N+1) /2 << endl;
      |   ^~~~
a.cc:7:3: error: expected unqualified-id before 'return'
    7 |   return 0;
      |   ^~~~~~
a.cc:8:1: error: expected declaration before '}' token
    8 | }
      | ^
Language: C

#include <stdio.h>

int main(void)
{
  scanf("",&ninzuu);
  int candy;
  candy = 0;
  if(n=1;n>ninzuu;n++;)
    candy += n;

Compiler output:
main.c: In function 'main':
main.c:5:13: error: 'ninzuu' undeclared (first use in this function)
    5 |   scanf("",&ninzuu);
      |             ^~~~~~
main.c:5:13: note: each undeclared identifier is reported only once for each function it appears in
main.c:8:6: error: 'n' undeclared (first use in this function)
    8 |   if(n=1;n>ninzuu;n++;)
      |      ^
main.c:8:9: error: expected ')' before ';' token
    8 |   if(n=1;n>ninzuu;n++;)
      |     ~   ^
      |         )
main.c:9:5: error: expected declaration or statement at end of input
    9 |     candy += n;
      |     ^~~~~
Language: C

#include<stdio.h>
main()
{
      int a,b,sum=0;
      printf("Input a:");
      scanf("%d",&a); 
      for(b=0;b<=a;b++){
            sum=sum+b
      }
      printf("%d",sum);
}
            

Compiler output:
main.c:2:1: error: return type defaults to 'int' [-Wimplicit-int]
    2 | main()
      | ^~~~
main.c: In function 'main':
main.c:8:22: error: expected ';' before '}' token
    8 |             sum=sum+b
      |                      ^
      |                      ;
    9 |       }
      |       ~
Language: C

#include<stdio.h>
int main(){
int sum=0,i,n;
sucanf("%d",&n);
for(i=1;i<=n;i++)sum+=i;
printf("%d\n",sum);
}

Compiler output:
main.c: In function 'main':
main.c:4:1: error: implicit declaration of function 'sucanf'; did you mean 'sscanf'? [-Wimplicit-function-declaration]
    4 | sucanf("%d",&n);
      | ^~~~~~
      | sscanf
Language: C++

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:7: error: 'i' was not declared in this scope
    6 |   for(i=0;i<n;i++) ans += i+1;
      |       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  string s;
  string output(10,'');
  int point;
  cin >> s;
  point = 0;
  for(int i=0;i<s.size();i++){
    if(s.at(i)=='B'){
      //output.at(point) = '';
      point = max(point-1,0);
    }else{output.at(point) = s.at(i);
          point++;
         }
  }
  cout << output.substr(0,point) << endl;
  return 0;
}

Compiler output:
a.cc:6:20: error: empty character constant
    6 |   string output(10,'');
      |                    ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int n,s ;
  cin >> n ;
  
  s=n*(n+1)/2
  
  cout << s << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: expected ';' before 'cout'
    8 |   s=n*(n+1)/2
      |              ^
      |              ;
    9 | 
   10 |   cout << s << endl;
      |   ~~~~
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:8:12: error: 'N' cannot be used as a function
    8 |   cout << N(N+1)/2 << endl;
      |           ~^~~~~
Language: C++

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

int main(){
	int n,sum=0;
  	
  	cin >> m;
  	
  for(int i=1;i<=n;i++){
  	sum+=i;
  }
  
  cout << sum;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: 'm' was not declared in this scope
    7 |         cin >> m;
      |                ^
Language: C++

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

#define int long long
#define pb emplace_back
#define mp make_pair
#define f(i,a,n) for(int i=a ; i<n ; i++)
#define F first
#define S second
#define fast ios:: sync_with_stdio(false),cin.tie(0);

int32_t main(){
	fast;
	int n;
	cin >>> n;
	cout << (n+1)/2 + (n/2)*2;
	
}







Compiler output:
a.cc: In function 'int32_t main()':
a.cc:15:15: error: expected primary-expression before '>' token
   15 |         cin >>> n;
      |               ^
Language: C

#include<stdio.h>
int main()
{
	int N,sum=0,i;
	1<=N<=100;
	scanf("%d",&N);
	sum=(n+1)*n/2;
	printf("%d\n",sum);
	printf("The sum of the integers from 1 to %d is %d.",N,sum);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:14: error: 'n' undeclared (first use in this function)
    7 |         sum=(n+1)*n/2;
      |              ^
main.c:7:14: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main()
{
	int N,sum=0,i;
	1<=N<=100;
	scanf("%d",&N);
	sum=(n+1)*n/2
	printf("%d\n",sum);
	printf("The sum of the integers from 1 to %d is %d.",N,sum);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:14: error: 'n' undeclared (first use in this function)
    7 |         sum=(n+1)*n/2
      |              ^
main.c:7:14: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:22: error: expected ';' before 'printf'
    7 |         sum=(n+1)*n/2
      |                      ^
      |                      ;
    8 |         printf("%d\n",sum);
      |         ~~~~~~
Language: C

#include<stdio.h>
int main()
{
	int N,sum=0,i;
	1<=N<=100;
	scanf("%d",&N);
	if (i=1;i<=N;i++)
	{
		sum=sum+i;
	}
	printf("The sum of the integers from 1 to %d is %d.",N,sum);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:16: error: expected ')' before ';' token
    7 |         if (i=1;i<=N;i++)
      |            ~   ^
      |                )
Language: C

#include<stdio.h>
int main()
{
	int N,sum=0,i;
	1<=N<=100;
	scanf("%d",&N);
	if (i=1;i<=N;i++)
		sum=sum+i;
	printf("The sum of the integers from 1 to %d is %d",N,sum);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:16: error: expected ')' before ';' token
    7 |         if (i=1;i<=N;i++)
      |            ~   ^
      |                )
Language: C

#include<stdio.h>
int main()
{
	int N,sum=0,i;
	1<=N<=100;
	scanf("%d",&N);
	if (i=1;i>N;i++)
		sum=sum+i;
	printf("The sum of the integers from 1 to %d is %d",N,sum);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:16: error: expected ')' before ';' token
    7 |         if (i=1;i>N;i++)
      |            ~   ^
      |                )
Language: C

#include<stdio.h>
int main()
{
	int N,sum=0,i;
	1<=N<=100;
	scanf("%d",&N);
	if (i=1;i>N;i++)
		sum=sum+i
	printf("The sum of the integers from 1 to %d is %d",N,sum);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:16: error: expected ')' before ';' token
    7 |         if (i=1;i>N;i++)
      |            ~   ^
      |                )
main.c:8:26: error: expected ';' before 'printf'
    8 |                 sum=sum+i
      |                          ^
      |                          ;
    9 |         printf("The sum of the integers from 1 to %d is %d",N,sum);
      |         ~~~~~~
Language: C

#include<stdio.h>
int main()
{
	int N,sum;
	scanf("%d",&N);
	sum=(1+N)*N\2;
	printf("The sum of the integers from 1 to %d is %d",N,sum);
	return 0;	
}



Compiler output:
main.c: In function 'main':
main.c:6:20: error: stray '\' in program
    6 |         sum=(1+N)*N\2;
      |                    ^
main.c:6:20: error: expected ';' before numeric constant
    6 |         sum=(1+N)*N\2;
      |                    ^~
      |                    ;
Language: C++

#include <iostream>
using namespace std;
int mian(){
    int n;cin>>n;
    cout << n*(n+1)/2 << endl;
#include <iostream>
using namespace std;
int main(){
    int n;cin>>n;
    cout << n*(n+1)/2 << endl;
}

Compiler output:
a.cc: In function 'int mian()':
a.cc:8:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
    8 | int main(){
      |         ^~
a.cc:8:9: note: remove parentheses to default-initialize a variable
    8 | int main(){
      |         ^~
      |         --
a.cc:8:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:8:11: error: a function-definition is not allowed here before '{' token
    8 | int main(){
      |           ^
a.cc:11:2: error: expected '}' at end of input
   11 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int mian(){
      |           ^
a.cc:11:2: warning: no return statement in function returning non-void [-Wreturn-type]
   11 | }
      |  ^
Language: C++

#include <iostream>
using namespace std;
int mian(){
    int n;cin>>n;
    cout << n*(n+1)/2 << endl;
}

Compiler output:
a.cc: In function 'int mian()':
a.cc:6:1: warning: no return statement in function returning non-void [-Wreturn-type]
    6 | }
      | ^
/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<cstdio>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<queue>
#include<stack>
#include<cstring>
#include<string>
using namespace std;
typedef long long LL;
int main(){
		LL n,m;
		cin >> n;
		cout << (1 + n) * n / 2 << endl;
		return 0;
	}#include<cstdio>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<queue>
#include<stack>
#include<cstring>
#include<string>
using namespace std;
typedef long long LL;
int main(){
		LL n,m;
		cin >> n;
		cout << (1 + n) * n / 2 << endl;
		return 0;
	}

Compiler output:
a.cc:16:10: error: stray '#' in program
   16 |         }#include<cstdio>
      |          ^
a.cc:16:11: error: 'include' does not name a type
   16 |         }#include<cstdio>
      |           ^~~~~~~
a.cc:26:5: error: redefinition of 'int main()'
   26 | int main(){
      |     ^~~~
a.cc:11:5: note: 'int main()' previously defined here
   11 | int main(){
      |     ^~~~
Language: C

#include<stdio.h>
int main(void)
{
 int a,b,i;
scan("%d",&a); 
for(i=0;i<a;i++)
b+=i;

printf("%d",b);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:1: error: implicit declaration of function 'scan'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    5 | scan("%d",&a);
      | ^~~~
      | scanf
Language: Java

import java.util.Scanner;

public class A {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N = Integer.parseInt(scanner.next());
        scanner.close();

        int result = 0;
        for (int i = 1; i <= N; i++) {
            result += i;
        }

        System.out.println(result);
    }
}


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<stdio.h>
main()
{
	int sum,i,N;
	scanf("%d",&N);
	sum = 0;
	for(i = 1;i <= N;i++)
	{
		sum = sum + i;
	}
	printf("%d",sum)
	return 0;
}

Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:11:25: error: expected ';' before 'return'
   11 |         printf("%d",sum)
      |                         ^
      |                         ;
   12 |         return 0;
      |         ~~~~~~
Language: C++

#include<iostream>
#include<string>
#include<algorithm>

using namespace std;

int main(){
  int a,i; cin>>a;
  int ans=0;
  for(i=1;i<=a;i++)
    ans+=1;
}
cout<<ans;
  
 
  return 0;
}


Compiler output:
a.cc:13:1: error: 'cout' does not name a type
   13 | cout<<ans;
      | ^~~~
a.cc:16:3: error: expected unqualified-id before 'return'
   16 |   return 0;
      |   ^~~~~~
a.cc:17:1: error: expected declaration before '}' token
   17 | }
      | ^
Language: Java

import java.util.*;

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

int total;
Scanner sc =  new Scanner(System.in);
int N  = sc.nextInt();
for(int i = 1; i <= N;i ++){
total += i;
}
System.out.println(total);
}
}

Compiler output:
Main.java:10: error: variable total might not have been initialized
total += i;
^
Main.java:12: error: variable total might not have been initialized
System.out.println(total);
                   ^
2 errors
Language: Java

import java.util.*;

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

int total;
Scanner sc = Scanner(System.in);
int N  = sc.nextInt();
for(int i = 1; i <= N;i ++){
total += i;
}
System.out.println(total);
}
}

Compiler output:
Main.java:7: error: cannot find symbol
Scanner sc = Scanner(System.in);
             ^
  symbol:   method Scanner(InputStream)
  location: class Main
1 error
Language: Java

import java.util.*;

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

int total;
Scanner sc = Scanner(System.in);
int N  = sc.nextInt();
for(int i = 1, i <= N, i ++){
total += i;
}
System.out.println(total);
}
}

Compiler output:
Main.java:9: error: ';' expected
for(int i = 1, i <= N, i ++){
                ^
Main.java:9: error: illegal start of expression
for(int i = 1, i <= N, i ++){
                 ^
Main.java:9: error: ';' expected
for(int i = 1, i <= N, i ++){
                     ^
3 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
int sum( int N )
{
    if( N == 0 ) //基底部
    {
        return 0;
    }
    else //再帰部
    {
        return sum( N - 1 ) + 1;
    }
}

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 n;
  cin>>n;
  cout<<(n)*(n-1)/2;
  return 0;
}

Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | 
    4 |   int main()
      |   ~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n;
  cin >> n;
  int sum=0;
  for (i=1;i<=n;i++) sum +=i;
  cout << sum << endl;
  return 0;
}

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

    int a,b,c;
    cin>>a>>b;
    for(int c=1;c<=3;c++){
        if(c*a*b%2!=0){
            cout<<"Yes";
            return 0;
        }
        else{
            cout<<"No";
            return 0;
        }
    }

Compiler output:
a.cc:2:5: error: 'cin' does not name a type
    2 |     cin>>a>>b;
      |     ^~~
a.cc:3:5: error: expected unqualified-id before 'for'
    3 |     for(int c=1;c<=3;c++){
      |     ^~~
a.cc:3:17: error: 'c' does not name a type
    3 |     for(int c=1;c<=3;c++){
      |                 ^
a.cc:3:22: error: 'c' does not name a type
    3 |     for(int c=1;c<=3;c++){
      |                      ^
Language: Java

import java.util.*;

public class Main{
  puboic static void main(String[] args){
    Scanner sc=new Scanner(System.in);
    final int N=sc.nextInt();
    int answer=0;
    for(int i=1;i<N+1;i++){
      answer=answer+i;
    }
    System.out.println(answer);
  }
}

Compiler output:
Main.java:4: error: <identifier> expected
  puboic static void main(String[] args){
        ^
1 error
Language: C

#include <stdio.h>

int main(void){
  int N, sum, i;
  
  sacnf("%d", &N);
  
  for(i = 1; i < N; i++){
    sum = sum + N;
  }
  printf("%d", sum);
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: implicit declaration of function 'sacnf'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |   sacnf("%d", &N);
      |   ^~~~~
      |   scanf
Language: C

#include <stdio.h>

int main(void){
  int a,i,N;
  scanf("%d¥n",&a);
  for(i=0,i<=a,i++){
    N +=i;
  }
  printf("%d",N);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:19: error: expected ';' before ')' token
    6 |   for(i=0,i<=a,i++){
      |                   ^
      |                   ;
main.c:6:19: error: expected expression before ')' token
Language: Java

Scanner scan = new Scanner(System.in);

int line = scan.nextInt();
int sum = 0;

for(int i=1; i<line+1; i++) {
  sum += i;
}
System.out.println(sum);

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
Scanner scan = new Scanner(System.in);
^
  (use --enable-preview to enable unnamed classes)
Main.java:6: error: class, interface, enum, or record expected
for(int i=1; i<line+1; i++) {
^
Main.java:6: error: class, interface, enum, or record expected
for(int i=1; i<line+1; i++) {
             ^
Main.java:6: error: class, interface, enum, or record expected
for(int i=1; i<line+1; i++) {
                       ^
Main.java:8: error: class, interface, enum, or record expected
}
^
5 errors
Language: C++

namespace ABC043A
{
    class Program
    {
        static void Main(string[] args)
        {
            int n;   //人数
            int s;//必要な枚数
            int i;
            //人数を入力
            n = int.Parse(Console.ReadLine());
            //必要な枚数を求める
            //（合計を求めるメルアルゴリズム）
            s = 0;    //合計を0に初期化
             for (i=1; i<=n;  i++)　//i→0の繰り返し
            {
                s = s + i;　// sを1増やす
            }

             //出力
            Console.WriteLine(s);
        }
    }
}


Compiler output:
a.cc:15:35: error: extended character 　 is not valid in an identifier
   15 |              for (i=1; i<=n;  i++)　//i→0の繰り返し
      |                                   ^
a.cc:17:27: error: extended character 　 is not valid in an identifier
   17 |                 s = s + i;　// sを1増やす
      |                           ^
a.cc:5:26: error: 'string' has not been declared
    5 |         static void Main(string[] args)
      |                          ^~~~~~
a.cc:5:35: error: expected ',' or '...' before 'args'
    5 |         static void Main(string[] args)
      |                                   ^~~~
a.cc:23:6: error: expected ';' after class definition
   23 |     }
      |      ^
      |      ;
a.cc: In static member function 'static void ABC043A::Program::Main(int*)':
a.cc:11:17: error: expected primary-expression before 'int'
   11 |             n = int.Parse(Console.ReadLine());
      |                 ^~~
a.cc:15:35: error: '\U00003000' was not declared in this scope
   15 |              for (i=1; i<=n;  i++)　//i→0の繰り返し
      |                                   ^~
a.cc:21:13: error: 'Console' was not declared in this scope
   21 |             Console.WriteLine(s);
      |             ^~~~~~~
Language: C++

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            int N;//人数
            int S;//必要な個数
            int I;
           //人数Nを入力
         N = int.Parse(Console.ReadLine());
         //必要な個数Sを求める
        //（合計を求めるアルゴリズム）
       S = 0;
       for (I=1;I<=N;I++)
 　　　{ S = S + 1; }//SをI増やす　S+=Iでもよい
            //Sを出力（表示）
            Console.WriteLine(S);
                //入力待ちに
             Console.ReadKey();
        }
    }
}

Compiler output:
a.cc:22:2: error: extended character 　 is not valid in an identifier
   22 |  　　　{ S = S + 1; }//SをI増やす　S+=Iでもよい
      |  ^
a.cc:22:2: error: extended character 　 is not valid in an identifier
a.cc:22:2: error: extended character 　 is not valid in an identifier
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Collections.Generic;
      |       ^~~~~~
a.cc:3:7: error: expected nested-name-specifier before 'System'
    3 | using System.Linq;
      |       ^~~~~~
a.cc:4:7: error: expected nested-name-specifier before 'System'
    4 | using System.Text;
      |       ^~~~~~
a.cc:5:7: error: expected nested-name-specifier before 'System'
    5 | using System.Threading.Tasks;
      |       ^~~~~~
a.cc:11:26: error: 'string' has not been declared
   11 |         static void Main(string[] args)
      |                          ^~~~~~
a.cc:11:35: error: expected ',' or '...' before 'args'
   11 |         static void Main(string[] args)
      |                                   ^~~~
a.cc:28:6: error: expected ';' after class definition
   28 |     }
      |      ^
      |      ;
a.cc: In static member function 'static void ConsoleApplication3::Program::Main(int*)':
a.cc:17:14: error: expected primary-expression before 'int'
   17 |          N = int.Parse(Console.ReadLine());
      |              ^~~
a.cc:22:2: error: '\U00003000\U00003000\U00003000' was not declared in this scope
   22 |  　　　{ S = S + 1; }//SをI増やす　S+=Iでもよい
      |  ^~~~~~
a.cc:24:13: error: 'Console' was not declared in this scope
   24 |             Console.WriteLine(S);
      |             ^~~~~~~
Language: C++

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ABC043A
{
    class Program
    {
        static void Main(string[] args)
        {
            int n;   //人数
            int s;//必要な枚数
            int i;
            //人数を入力
            n = int.Parse(Console.ReadLine());
            //必要な枚数を求める
            //（合計を求めるメルアルゴリズム）
            s = 0;    //合計を0に初期化
             for (i=1; i<=n;  i++)　//i→0の繰り返し
            {
                s = s + i;　// sを1増やす
            }

             //出力
            Console.WriteLine(s);
        }
    }
}


Compiler output:
a.cc:21:35: error: extended character 　 is not valid in an identifier
   21 |              for (i=1; i<=n;  i++)　//i→0の繰り返し
      |                                   ^
a.cc:23:27: error: extended character 　 is not valid in an identifier
   23 |                 s = s + i;　// sを1増やす
      |                           ^
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Collections.Generic;
      |       ^~~~~~
a.cc:3:7: error: expected nested-name-specifier before 'System'
    3 | using System.Linq;
      |       ^~~~~~
a.cc:4:7: error: expected nested-name-specifier before 'System'
    4 | using System.Text;
      |       ^~~~~~
a.cc:5:7: error: expected nested-name-specifier before 'System'
    5 | using System.Threading.Tasks;
      |       ^~~~~~
a.cc:11:26: error: 'string' has not been declared
   11 |         static void Main(string[] args)
      |                          ^~~~~~
a.cc:11:35: error: expected ',' or '...' before 'args'
   11 |         static void Main(string[] args)
      |                                   ^~~~
a.cc:29:6: error: expected ';' after class definition
   29 |     }
      |      ^
      |      ;
a.cc: In static member function 'static void ABC043A::Program::Main(int*)':
a.cc:17:17: error: expected primary-expression before 'int'
   17 |             n = int.Parse(Console.ReadLine());
      |                 ^~~
a.cc:21:35: error: '\U00003000' was not declared in this scope
   21 |              for (i=1; i<=n;  i++)　//i→0の繰り返し
      |                                   ^~
a.cc:27:13: error: 'Console' was not declared in this scope
   27 |             Console.WriteLine(s);
      |             ^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int N,result; cin >> n;
  cout << (1 + n)*n/2;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:24: error: 'n' was not declared in this scope
    4 |   int N,result; cin >> n;
      |                        ^
Language: C++

#include "stdio.h"
#include <iostream>
int main (){
 int number = -1;
 while (number < 0 || number>100) {
  printf ("Please input the number of the children\n");
  scanf ("%d",&number);
  if (number > 100 || number < 0) {
   printf("Please check the number you input\n");
  }
 }
 int sum = 0;
 for (int i = 0; i < number; i++) {
  sum = sum + i + 1;
 }
 printf("The number of candies needed is");
 printf("%d", sum）;
 return 0;
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:17:15: error: 'sum\U0000ff09' was not declared in this scope
   17 |  printf("%d", sum）;
      |               ^~~~~
Language: C++

#include <stdio.h>
int main（）
{
	int number = -1;
	while (number < 0 || number>100) {
		cout << "Please input the number of the children" << endl;
		cin >> number;
		if (number > 100 || number < 0) {
			cout << "Please check the number you input" << endl;
		}
	}
	int sum = 0;
	for (int i = 0; i < number; i++) {
		sum = sum + i + 1;
	}
	cout << "The number of candies needed is:" << sum << endl;
	return 0;
}

Compiler output:
a.cc:4:9: error: expected primary-expression before 'int'
    4 |         int number = -1;
      |         ^~~
a.cc:4:9: error: expected '}' before 'int'
a.cc:3:1: note: to match this '{'
    3 | {
      | ^
a.cc:5:9: error: expected unqualified-id before 'while'
    5 |         while (number < 0 || number>100) {
      |         ^~~~~
a.cc:13:9: error: expected unqualified-id before 'for'
   13 |         for (int i = 0; i < number; i++) {
      |         ^~~
a.cc:13:25: error: 'i' does not name a type
   13 |         for (int i = 0; i < number; i++) {
      |                         ^
a.cc:13:37: error: 'i' does not name a type
   13 |         for (int i = 0; i < number; i++) {
      |                                     ^
a.cc:16:9: error: 'cout' does not name a type
   16 |         cout << "The number of candies needed is:" << sum << endl;
      |         ^~~~
a.cc:17:9: error: expected unqualified-id before 'return'
   17 |         return 0;
      |         ^~~~~~
a.cc:18:1: error: expected declaration before '}' token
   18 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
typedef long long ll;

int main() {
    int N;
    cin >> N;
    cout << (N*(N + 1)) / 2 << endl
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:36: error: expected ';' before '}' token
   10 |     cout << (N*(N + 1)) / 2 << endl
      |                                    ^
      |                                    ;
   11 | }
      | ~
Language: C++

#include<stdio.h>
main()
{
	int i,sum=0,n;
	scanf("%d",&n);
	for(i=1;i<=n;++i)
		sum+=i;
	printf(S(%d)=%d\n",sum);
	return 0;
}

Compiler output:
a.cc:8:24: error: stray '\' in program
    8 |         printf(S(%d)=%d\n",sum);
      |                        ^
a.cc:8:26: warning: missing terminating " character
    8 |         printf(S(%d)=%d\n",sum);
      |                          ^
a.cc:8:26: error: missing terminating " character
    8 |         printf(S(%d)=%d\n",sum);
      |                          ^~~~~~~
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:8:18: error: expected primary-expression before '%' token
    8 |         printf(S(%d)=%d\n",sum);
      |                  ^
a.cc:8:19: error: 'd' was not declared in this scope
    8 |         printf(S(%d)=%d\n",sum);
      |                   ^
a.cc:8:16: error: 'S' was not declared in this scope
    8 |         printf(S(%d)=%d\n",sum);
      |                ^
a.cc:8:22: error: expected primary-expression before '%' token
    8 |         printf(S(%d)=%d\n",sum);
      |                      ^
Language: C++

#include<stddio.h>
main()
{
	int i,sum=0,n;
	scanf("%d",&n);
	for(i=1;i<=n;++i)
		sum+=i;
	printf(S(%d)=%d\n",sum);
	return 0;
}

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

#include<stdio.h>
main()
{
	int i,sum=0,n;
	scanf("%d",&n);
	for(i=1;i<=n;++i)
		sum+=i;
	pprintf(S(%d)=%d\n",sum);
	return 0;
}

Compiler output:
a.cc:8:25: error: stray '\' in program
    8 |         pprintf(S(%d)=%d\n",sum);
      |                         ^
a.cc:8:27: warning: missing terminating " character
    8 |         pprintf(S(%d)=%d\n",sum);
      |                           ^
a.cc:8:27: error: missing terminating " character
    8 |         pprintf(S(%d)=%d\n",sum);
      |                           ^~~~~~~
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:8:19: error: expected primary-expression before '%' token
    8 |         pprintf(S(%d)=%d\n",sum);
      |                   ^
a.cc:8:20: error: 'd' was not declared in this scope
    8 |         pprintf(S(%d)=%d\n",sum);
      |                    ^
a.cc:8:17: error: 'S' was not declared in this scope
    8 |         pprintf(S(%d)=%d\n",sum);
      |                 ^
a.cc:8:23: error: expected primary-expression before '%' token
    8 |         pprintf(S(%d)=%d\n",sum);
      |                       ^
Language: C++

#include<stddio.h>
main()
{
	int i,sum=0,n;
	scanf("%d",&n);
	for(i=1;i<=n;++i)
		sum+=i;
	pprintf(S(%d)=%d\n",sum);
	return 0;
}

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

#include<stdio.h>
int main(){
	int N;//子供の数
	int sum=0;
	scanf(%d,N);
	for(int i=N;N>0;N--){
		sum=sum+i;
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:15: error: expected expression before '%' token
    5 |         scanf(%d,N);
      |               ^
Language: C

#include<iostream>
int main(){
	int N;//子供の数
	int sum=0;
	scanf(%d,N);
	for(int i=N;N>0;N--){
		sum=sum+i;
	}
	return 0;
}

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

int main(){
  int sum=0,N;
  cin >> N;
  for(int i=1;i<=N;i++){
    sum += i;
  }
  cout << sum;
}

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

int main(){
  int sum=0;
  cin >> N;
  for(int i=1;i<=N;i++){
    sum += i;
  }
  cout << sum;
}
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> N;
      |   ^~~
a.cc:3:10: error: 'N' was not declared in this scope
    3 |   cin >> N;
      |          ^
a.cc:7:3: error: 'cout' was not declared in this scope
    7 |   cout << sum;
      |   ^~~~
Language: C++

#include<stdio.h>
int main()
{
	int N, candies;
	scanf("%d",&n);
	candies = ((N*N+N)/2);
	printf("%d",candies);
	return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:21: error: 'n' was not declared in this scope
    5 |         scanf("%d",&n);
      |                     ^
Language: C++

#include<stdio.h>
int  main()
{
       int  i,n,sum;
       scanf("%d",&n);
       sum=0;
       for(i = 1;i <= n;i++)
   ｛
      sum=sum+i;
      ｝
       printf("sum = %d\n",sum);
       return  0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:4: error: '\U0000ff5b' was not declared in this scope
    8 |    ｛
      |    ^~
a.cc:10:7: error: '\U0000ff5d' was not declared in this scope
   10 |       ｝
      |       ^~
Language: C++

#include <stdio.h>
int main()

{
	int i=1;
	int sum=0;
	int n
	scanf("%d",n);
	do
    {
    	sum=sum+i;
    	i++;
    }while(i<=n);
    printf(%d\n,sum);
    return 0;
}

Compiler output:
a.cc:14:14: error: stray '\' in program
   14 |     printf(%d\n,sum);
      |              ^
a.cc: In function 'int main()':
a.cc:8:9: error: expected initializer before 'scanf'
    8 |         scanf("%d",n);
      |         ^~~~~
a.cc:13:15: error: 'n' was not declared in this scope
   13 |     }while(i<=n);
      |               ^
a.cc:14:12: error: expected primary-expression before '%' token
   14 |     printf(%d\n,sum);
      |            ^
a.cc:14:13: error: 'd' was not declared in this scope
   14 |     printf(%d\n,sum);
      |             ^
Language: C++

#include <stdio.h>

int add(int n){
	int i=1,sum=0;
	while(i<=n){
		sum=sum+i;
		i++;
	}
	return sum;
}

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(）
{
printf("%d",(1+100)*50);
return 0;
}

Compiler output:
a.cc:2:5: error: cannot declare '::main' to be a global variable
    2 | int main(）
      |     ^~~~
a.cc:2:10: error: '\U0000ff09' was not declared in this scope
    2 | int main(）
      |          ^~
Language: C++

# include<stdio.h>
int main()
{
int i, j=0;
for(i = 1;i<=100;i++)
{
j+=i;
}
printf("%d%,j);
return 0;
}

Compiler output:
a.cc:9:8: warning: missing terminating " character
    9 | printf("%d%,j);
      |        ^
a.cc:9:8: error: missing terminating " character
    9 | printf("%d%,j);
      |        ^~~~~~~~
a.cc: In function 'int main()':
a.cc:10:1: error: expected primary-expression before 'return'
   10 | return 0;
      | ^~~~~~
Language: C++

public class forew {
	     /**
* @param args
*/
public static void main(String[] args) {
int sum=0;
for (int i = 1; i <=100;i++) sum+=i;
sum+=i;
}
      System.out.println(sum);
      }


}

Compiler output:
a.cc:1:1: error: expected unqualified-id before 'public'
    1 | public class forew {
      | ^~~~~~
a.cc:14:1: error: expected declaration before '}' token
   14 | }
      | ^
Language: C++

#include<stdio.h>
int add(int n)
{
	if(n < 1)
		return 0;
	return n + add（n - 1);
}
int main(void)
{
	printf("%d\n",add(100));
	return 0;
}

Compiler output:
a.cc: In function 'int add(int)':
a.cc:6:20: error: 'add\U0000ff08n' was not declared in this scope
    6 |         return n + add（n - 1);
      |                    ^~~~~~
a.cc:6:30: error: expected ';' before ')' token
    6 |         return n + add（n - 1);
      |                              ^
      |                              ;
a.cc:6:30: error: expected primary-expression before ')' token
Language: C++

public class forew {
	     /**
*@param args
*/
public static void main(string[] args) {
	int sum=0
	for (int i=1;i<=100; i++) {
		sum+=i;
}
           System.out.println(sum);
           }


}

Compiler output:
a.cc:1:1: error: expected unqualified-id before 'public'
    1 | public class forew {
      | ^~~~~~