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

#include <vector>
#include <algorithm>
#include <map>
#include <iomanip>
using namespace std;



int main() {
	int L, R;
	cin >> L >> R;
	
	int x1, y1, x2, y2;
	x1 = L % 2019;
	x2 = L / 2019;
	y1 = R % 2019;
	y2 = R / 2019;
	if (x2 == y2) {
		cout << x1 * (x1 + 1) << endl;
	}
	else {
		cout << 0 << endl;
	}
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'cin' was not declared in this scope
   11 |         cin >> L >> R;
      |         ^~~
a.cc:5:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    4 | #include <iomanip>
  +++ |+#include <iostream>
    5 | using namespace std;
a.cc:19:17: error: 'cout' was not declared in this scope
   19 |                 cout << x1 * (x1 + 1) << endl;
      |                 ^~~~
a.cc:19:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:22:17: error: 'cout' was not declared in this scope
   22 |                 cout << 0 << endl;
      |                 ^~~~
a.cc:22:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

int main(){
    int n=0,a=0;
    cin >> n;
    cin >> a;

    if(n>=2019 && a >=2019){
        n = n / 2019;
        a = a / 2019;
        n = n + a;
        if(n>=2019){
            n=n% 2019;
        }
        cout << n;
    }else {
        n=n * a;
        n= n% 2019;
        cout << n; 
    }
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:5: error: 'cin' was not declared in this scope
    3 |     cin >> n;
      |     ^~~
a.cc:13:9: error: 'cout' was not declared in this scope
   13 |         cout << n;
      |         ^~~~
a.cc:17:9: error: 'cout' was not declared in this scope
   17 |         cout << n;
      |         ^~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <vector>
#include <cmath>

using namespace std;

int main(void)
{
	long long i,j,k;
	long long L,R;
	long long result;
	long long min = 2018;

	scanf_s("%lld %lld",&L,&R);

	for (i = 1; i <= R - L; i++)
	{
		for (j = L; j <= R - 1; j++)
		{
			for (k = L + i; k <= R ; k++)
			{
				result = (j * k) % 2019;
				if (min > result)
					min = result;

				if (min == 0)
					break;

				if ((L + i) * R < j * k + 2019 - result)
					break;
			}
			if (min == 0)
				break;
		}
		if (min == 0)
			break;
	}

	cout << min << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   15 |         scanf_s("%lld %lld",&L,&R);
      |         ^~~~~~~
      |         scanf
Language: C++

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

int main(){
  long long int L,R;
  cin>>L>>R;
  long long int tmp;
  long long int L_mod,R_mod;
  vector<long long int> v;  
  L_mod=L%2019;
  R_mod=R%2019;
  if(L_mod>R_mod){
    R_mod+=2019
  }else if(L_mod==R_mod){
    cout<<L_mod*R_mod<<endl;
    return 0;
  }
  for(int i=L_mod;i<R_mod+1;i++){
    for(int j=i+1;j<R_mod+1;j++){
      v.push_back((i*j)%2019);
    }
  }
  tmp=*min_element(v.begin(), v.end());
  cout<<tmp<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:16: error: expected ';' before '}' token
   19 |     R_mod+=2019
      |                ^
      |                ;
   20 |   }else if(L_mod==R_mod){
      |   ~
Language: Java

import java.util.*;

public class MainC {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		long L = sc.nextLong();
		long R = sc.nextLong();
		
		long L2019 = L%2019;
		long R2019 = R%2019;
		
		if(L2019 >= R2019)R2019 += 2019;
		
		
		long min1 = 2018;
		long min2 = 2018;
		//System.out.println(L2019+" "+R2019);
		for(long i= L2019; i <= R2019; i++) {
			if(min1 == 0)break;
			long num = i % 2019;
			if(num <= min1) {
				min2 = min1;
				min1 = num;
				//System.out.println(i+"minA"+min1+" "+min2);
			} else if (num < min2){
				min2 = num;
				//System.out.println(i+ "minB"+min1+" "+min2);
			} else {
				continue;
			}
		}
		
		System.out.println((min1 * min2) % 2019);
	}

}


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

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll INF = 1e9;
// const ll MOD = 1e9 + 7;
const ll MOD = 2019;

int main(){
    ll L, R;
    cin >> L >> R;

    if (L + 1 == R) {
        cout << (L * R) % 2019 << endl;
        return 0;
    }

    // find min-i
    int mv = INF;

    vector<int> values = {(int)L};
    for (int i = L + 1; i < R; i++) {
        values.push_back(i);
        if (L % 2019 == i % 2019)
            break;
    }
    for (auto v : values) {
        for (int j = v + 1; j <= R; j++) {
            mv = min(mv, (v * j) % 2019);
            if ((v + 1) % 2019 == (j % 2019) && j > v + 1)
                break;
        }
    }
    cout << mv << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:34:24: error: expected '}' at end of input
   34 |     cout << mv << endl;
      |                        ^
a.cc:9:11: note: to match this '{'
    9 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef unsigned long long ll;
const int maxn = 1e5 + 5;

int l, r;
//3 673
//1 2019


int main() {
    ios::sync_with_stdio(0);
    cin >> l >> r;
    int l1 = max(r - 2019, l);
    ll ans = 5e18;
    for (int i = l1; i < r; ++i) {
        for (int j = i + 1; j <= r; ++j) {
            ans = min(ans, iLL % 2019 * jLL % 2019);
        }
    }
    cout << ans;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:28: error: 'iLL' was not declared in this scope
   19 |             ans = min(ans, iLL % 2019 * jLL % 2019);
      |                            ^~~
a.cc:19:41: error: 'jLL' was not declared in this scope
   19 |             ans = min(ans, iLL % 2019 * jLL % 2019);
      |                                         ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long int 
#define ld long double
#define mod 1000000007
#define endl "\n"
#define pb push_back
#define mp make_pair
int main()
{
    ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	ll l,r;
	cin>>l>>r;
	if(l%2019==0 || r%2019==0 || l==0)
	{
		cout<<0;
		return 0;
	}
	if(r/2019-l/2019>0)
	{
		cout<<0;
		return 0;
	}
	ll m=mod;
	for(ll i=l;i<r;i++)
	{
		for(ll j=i+1;j<r;j++)
		{
			if((i*j)%2019<m)
			{
				m=(i*j)%2019;
			}
	}
	cout<<m%2019;	
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:2: error: expected '}' at end of input
   37 | }
      |  ^
a.cc:10:1: note: to match this '{'
   10 | {
      | ^
Language: C

#include<stdio.h>
#include<stdlib.h>
#define NUMBER 2000000000

 long int  sum_min(long int vc[], int no)
    {
    long int i;
    long int min = vc[0];
    for (i = 1; i < no; i++) 
        if (vc[i] < min)
            min = vc[i];
    return (min);
}
int main(){
  long int i,j;
  long int R,L;
  long int mod[NUMBER];
  long nt min_mod;
  long  int count = 0;
  scanf("%ld %ld", &L, &R);
   
  for(i=L; i<=R; i++){
    for(j=L+1; j<=R; j++){
       mod[i-L] = (i*j) %2019;
      count++;
    }
  }

 printf("%ld",sum_min(mod, R-L+1));

 return 0;
 
   
}

Compiler output:
main.c: In function 'main':
main.c:18:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'min_mod'
   18 |   long nt min_mod;
      |           ^~~~~~~
main.c:18:11: error: 'min_mod' undeclared (first use in this function)
main.c:18:11: note: each undeclared identifier is reported only once for each function it appears in
Language: Java

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author dyominov
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        CRemainderMinimization2019 solver = new CRemainderMinimization2019();
        solver.solve(1, in, out);
        out.close();
    }

    static class CRemainderMinimization2019 {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            long a = in.nextLong();
            long b = in.nextLong();
            if (a < 2019 && b >= 2019) {
                out.println(0);
            } else {
                out.println((a, a + 1) % 2019);
            }
        }

        static long gcd(long a, long b) {
            if (a == 0)
                return b;
            return gcd(b % a, a);
        }

        static long lcm(long a, long b) {
            return (a * b) / gcd(a, b);
        }

    }

    static class InputReader implements AutoCloseable {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

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

        public void close() {
        }

    }
}



Compiler output:
Main.java:35: error: ')' expected
                out.println((a, a + 1) % 2019);
                                 ^
Main.java:35: error: not a statement
                out.println((a, a + 1) % 2019);
                                       ^
Main.java:35: error: ';' expected
                out.println((a, a + 1) % 2019);
                                             ^
3 errors
Language: Java

public class Main {
    public static int map[][]=new int[11][11];
    public static void main(String args[]){
        Scanner sc=new Scanner(System.in);
        int L=sc.nextInt()%2019;
        int R=sc.nextInt()%2019;

        int temp=0;
        int ans=987654321;



        for(int i=L;i<R;i++){

            for(int j=i+1;j<=R;j++){

                temp=(i*j)%2019;

                ans=Math.min(ans,temp);
            }

        }

        System.out.println(ans);
    }


}

Compiler output:
Main.java:4: error: cannot find symbol
        Scanner sc=new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:4: 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;

int main()
{
  // 入力受け取り
  double L,R;
  cin >> L >> R;
  
  double min = L / 2019;
  double max = R / 2019;
  
  if ((max - min) > 0) {
    cout << "0" << endl;
    return 0;
  }
  
  int modMin1=2019;
  int modMin2=2019;
  for (double i = L; i <=R; i++) {
    int tmp = i % 2019;
    if (tmp < modMin1) modMin1 = tmp;
    else if (tmp < modMin2) modMin2 = tmp;
  }
  cout << (modMin1 * modMin2) % 2019 << endl;   
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:17: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   21 |     int tmp = i % 2019;
      |               ~ ^ ~~~~
      |               |   |
      |               |   int
      |               double
Language: C++

#include <queue>

using namespace std;

int main(void)
{
	long long i,j,k;
	long long L,R;
	long long result;
	long long min = 2018;

	cin >> L >> R;

	for (i = 1; i <= R - L; i++)
	{
		for (j = L; j <= R - 1; j++)
		{
			for (k = L + i; k <= R ; k++)
			{
				result = (j * k) % 2019;
				if (min > result)
					min = result;

				if (min == 0)
					break;

				if ((L + i) * R < j * k + 2019 - result)
					break;
			}
			if (min == 0)
				break;
		}
		if (min == 0)
			break;
	}

	cout << min << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'cin' was not declared in this scope
   12 |         cin >> L >> R;
      |         ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include <queue>
  +++ |+#include <iostream>
    2 | 
a.cc:37:9: error: 'cout' was not declared in this scope
   37 |         cout << min << endl;
      |         ^~~~
a.cc:37:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:37:24: error: 'endl' was not declared in this scope
   37 |         cout << min << endl;
      |                        ^~~~
a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    1 | #include <queue>
  +++ |+#include <ostream>
    2 |
Language: C++

#include  <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define inf 1000000007
//P pa(114,514);   ,vector<P>vec(N,0);
//vector<vector<int>> vec(縦, vector<int>(横));
#define REP(i,N) for(int i=0;i<N;i++)
int gcd(int a, int b) {
    if(a>b){
        swap(a,b);
        }
    while(b%a!=0){
        b%=a;
        swap(a,b);
    }
    return a;
}
int kaijou(int n){
    int a=1;
  if(n==0){
    return 1;
  }
    REP(i,n){
        a*=i+1;
    }
    return a;
}
int ncr(int n,int r){
  int a;
  if(n<0||r<0||n<r){
    return 0;
  }
  a=kaijou(n)/kaijou(r)/kaijou(n-r);
  return a;
}
//cout << setprecision(123);
int main(){
  int L,R,ans=inf;
  ll aaa;
  cin>>L>>R;
  bool ok=false;
  
  if(L==0||R-L>=672)cout<<0<<endl;
  else{
   for(int i=L;i<R;i++){
     for(int j=i+1;j<R+1;j++){
       aaa=i*j;
       ans=min(ans,aaa%2019);
       if(ans==0){
         ok=true;
         break;
       }
     }
       if(ok){
         break;
       }
   }
  
  
  cout<<ans<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:48:15: error: no matching function for call to 'min(int&, ll)'
   48 |        ans=min(ans,aaa%2019);
      |            ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:48:15: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   48 |        ans=min(ans,aaa%2019);
      |            ~~~^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:48:15: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   48 |        ans=min(ans,aaa%2019);
      |            ~~~^~~~~~~~~~~~~~
Language: C++

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

int main() {
int L,R;
  cin >>L>>R;
  vector<int>vec(R-L+1);
  for(int i = 0;i<R-L;i++){
    vec.at(i)=i+L;
  }
  vector<int>vecvec(R-L+1);
  for(int p = 0;p<R-L-1;p++){
    for(int q = p+1;q<R-L;q++){
      vecvec.at(p)=(vec.at(p)*vec.at(q))%2019;
    }
  }
  cout <<min(vecvec);

}
 

Compiler output:
a.cc: In function 'int main()':
a.cc:17:13: error: no matching function for call to 'min(std::vector<int>&)'
   17 |   cout <<min(vecvec);
      |          ~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   template argument deduction/substitution failed:
a.cc:17:13: note:   'std::vector<int>' is not derived from 'std::initializer_list<_Tp>'
   17 |   cout <<min(vecvec);
      |          ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   candidate expects 2 arguments, 1 provided
Language: C

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

int main(void){
    
    int l,r;
    cin>>l>>r;
    vector<int> m(2019);
    vector<int> n(r-l+1);

    if(r-l+1> 2019){
        for(int i=l;i<l+2019;i++){
           m[i-l] = i%2019;
           //cout<<m[i-l]<<" "<<endl;
        } 
        sort(m.begin(), m.end());
        cout<<m[0]*m[1]<<endl;
    }else{
        //cout<<"a"<<endl;
        for(int j=l;j<l+r-l+1;j++){
           // cout<<"b";
            n[j-l] = j%2019;
            //cout<<n[j-l]<<" "<<endl;
        }
        sort(n.begin(), n.end());
        cout<<n[0]*n[1]<<endl;
    }

    return 0;

}

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

#include <iostream>
#include <vector>
#include <unordered_map>
#include <map>
#include <unordered_set>
#include <set>
#include <algorithm>
#include <numeric>
#include <cmath>

using namespace std;


#define ll long long

int main() {
  int L, R;
  cin >> L >> R;

  int ans = INT_MAX;
  if (R - L < 2019) {
    vector<int> A { L % 2019 };
    for (int i = L + 1; i <= R; i++) {
      for (int a : A) {
        ans = min(ans, (a * (i % 2019)) % 2019);
      }
      A.push_back(i % 2019);
    }
  } else {
    ans = 0;
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:13: error: 'INT_MAX' was not declared in this scope
   20 |   int ans = INT_MAX;
      |             ^~~~~~~
a.cc:10:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    9 | #include <cmath>
  +++ |+#include <climits>
   10 |
Language: C++

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

int main() {
  int64_t L, R;
  cin >> L >> R;
  int modmin = 2019;

  for (int64_t i = L; i < R; i++) {
    if (i % 2019 == 0) {
      modmin = 0;
      break;
    }
    else {
      for (int64_t j = i + 1; j <= R; j++) {
        if (j % 2019 == 0) {
          modmin = 0;
          break;
        }
        else {
          int temp = modmin;
          modmin = min(temp, i * j % 2019);
        }
      }
    if (modmin == 0)
      break;
    }
  }
  
  cout << modmin << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:23: error: no matching function for call to 'min(int&, int64_t)'
   22 |           modmin = min(temp, i * j % 2019);
      |                    ~~~^~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:22:23: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int64_t' {aka 'long int'})
   22 |           modmin = min(temp, i * j % 2019);
      |                    ~~~^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:22:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |           modmin = min(temp, i * j % 2019);
      |                    ~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

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

int main(){
	int l,r,ans=0,i,j,mod;
	cin >> l >> r;
	if(r-l > 672){
		ans = 0;
	}else{
		ans = 2019;
		for(i=l+1; i<d+1; i++){
			for(j=0; j<i; j++){
				mod = i*j%2019;
				if(ans>mod){
					ans = mod;
				}
			}
		}
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:30: error: 'd' was not declared in this scope
   15 |                 for(i=l+1; i<d+1; i++){
      |                              ^
Language: C++

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

int main(){
  int L,R;
  cin >> L >> R;
  int ans = 2018;
  for(long long int i=L;i<R;i++){
    for(long long int j=i+1;j<R+1;j++){
      ans = min(ans , i*j%2019);
    }
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:16: error: no matching function for call to 'min(int&, long long int)'
   12 |       ans = min(ans , i*j%2019);
      |             ~~~^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:12:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   12 |       ans = min(ans , i*j%2019);
      |             ~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:12:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   12 |       ans = min(ans , i*j%2019);
      |             ~~~^~~~~~~~~~~~~~~~
Language: C++

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

using namespace std;

int main(){
	int l, r;
	cin >> l >> r;
	int tmp_min = 65535;
	for(int i = l; i<=r; i++){
		for (int j=i+1; j<=r; j++){
			if ((i*j)%2019 < tmp_min){
				tmp_min = (i * j) % 2019
			}
		}
	}
	cout << tmp_min << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:57: error: expected ';' before '}' token
   15 |                                 tmp_min = (i * j) % 2019
      |                                                         ^
      |                                                         ;
   16 |                         }
      |                         ~
Language: C++

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

int main(){
	int l,r,ans=0,i,j,mod;
	cin >> l >> r;
	if(r-l > 672){
		ans = 0;
	}else{
		ans = 2019
		for(i=l+1; i<d+1; i++){
			for(j=0; j<i; j++){
				mod = i*j%2019;
				if(ans>mod){
					ans = mod;
				}
			}
		}
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:27: error: expected ';' before 'for'
   14 |                 ans = 2019
      |                           ^
      |                           ;
   15 |                 for(i=l+1; i<d+1; i++){
      |                 ~~~        
a.cc:15:30: error: 'd' was not declared in this scope
   15 |                 for(i=l+1; i<d+1; i++){
      |                              ^
a.cc:15:38: error: expected ';' before ')' token
   15 |                 for(i=l+1; i<d+1; i++){
      |                                      ^
      |                                      ;
Language: C++

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

int main(){
	long l,r,x1=2019;
	cin>>l>>r;

	if(r-l>=2019){
		cout << 0 << endl;
	}else{
		for(int i=l;i<=r;i++){
			x1=min(x1,i%2019);
		}
		cout <<(x1*(x1+1))%2019<<endl;
	}
	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:12:31: error: no matching function for call to 'min(long int&, int)'
   12 |                         x1=min(x1,i%2019);
      |                            ~~~^~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:12:31: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   12 |                         x1=min(x1,i%2019);
      |                            ~~~^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:12:31: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   12 |                         x1=min(x1,i%2019);
      |                            ~~~^~~~~~~~~~~
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <cmath>

using namespace std;

#define MOD 2019

int main(void)
{
    int L, R;
    cin >> L >> R;
    int l, r;
    l = L % MOD;
    r = R % MOD;
    cout << ((L - R > MOD - 1 || l > r) ? 0 : (l * (l + 1)) % MOD;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:66: error: expected ')' before ';' token
   18 |     cout << ((L - R > MOD - 1 || l > r) ? 0 : (l * (l + 1)) % MOD;
      |             ~                                                    ^
Language: C

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

int main()
{
    int l,r,min=2019,tmp,min2=2019,cnt=0,c;
    scanf("%d %d",&l,&r);
    c=r-l;
    if(c>=2019){
        printf("0\n");
        return 0;
    }    
    int i,j,c;
    for(i=l;i<=l+c;i++){
        tmp=(i%2019)  *((i+1) % 2019); 
        if(min > tmp){
            min = tmp;
        }  
    }
    

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

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:13: error: redeclaration of 'c' with no linkage
   15 |     int i,j,c;
      |             ^
main.c:8:42: note: previous declaration of 'c' with type 'int'
    8 |     int l,r,min=2019,tmp,min2=2019,cnt=0,c;
      |                                          ^
Language: C

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

int main()
{
    int l,r,min=2019,tmp,min2=2019,cnt=0;
    scanf("%d %d",&l,&r);
    c=r-l;
    if(c>=2019){
        printf("0\n");
        return 0;
    }    
    int i,j,c;
    for(i=l;i<=l+c;i++){
        tmp=(i%2019)  *((i+1) % 2019); 
        if(min > tmp){
            min = tmp;
        }  
    }
    

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

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:5: error: 'c' undeclared (first use in this function)
   10 |     c=r-l;
      |     ^
main.c:10:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main() {
  // 0≤L<R≤2×10^9
  // L≤i<j≤R
  // (i×j) mod 2019 の最小値を求める
  int L, R;
  cin >> L >> R;

  // L mod 2019
  // R mod 2019
  // (L mod 2019) < (R mod 2019) かつ (R - L) < 2019 の場合のみ
  // Lに近い方から2つ選ぶ
  // それ以外は0
  int Lmod = L % 2019;
  int Rmod = R % 2019;
  if (Lmod >= Rmod || L - R >= 2019)
    cout << 0 << endl;
  } else {
    cout << Lmod * (Lmod + 1) << endl;
  }

  return 0;
}


Compiler output:
a.cc:20:5: error: expected unqualified-id before 'else'
   20 |   } else {
      |     ^~~~
a.cc:24:3: error: expected unqualified-id before 'return'
   24 |   return 0;
      |   ^~~~~~
a.cc:25:1: error: expected declaration before '}' token
   25 | }
      | ^
Language: C++

#include <iostream>
using namespace std;

int main()
{
    long long L, R;
    long long ans = 10000000;
    cin >> L >> R;
    for (long long i = L; (i < R && i <= L + 4100); i++)
    {
        for (long long j = i + 1; (j <= R && j <= L + 4100); j++)
        {
            if (ans > (i % 2019) * (j % 2019))
            {
                ans = (i % 2019) * (j % 2019);
            }
        }
    }
    cout << ans;
}#include <iostream>
using namespace std;

int main()
{
    long long L, R;
    long long ans = 10000000;
    cin >> L >> R;
    for (long long i = L; (i < R && i <= L + 4100); i++)
    {
        for (long long j = i + 1; (j <= R && j <= L + 4100); j++)
        {
            if (ans > (i % 2019) * (j % 2019))
            {
                ans = (i % 2019) * (j % 2019);
            }
        }
    }
    cout << ans;
}

Compiler output:
a.cc:20:2: error: stray '#' in program
   20 | }#include <iostream>
      |  ^
a.cc:20:3: error: 'include' does not name a type
   20 | }#include <iostream>
      |   ^~~~~~~
a.cc:23:5: error: redefinition of 'int main()'
   23 | int main()
      |     ^~~~
a.cc:4:5: note: 'int main()' previously defined here
    4 | int main()
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int maxN = 1e5+7;
const int maxM = 1e5+7;
const int maxV = 90010;
//const int INF = 1e9+9;
const ll INF = (1ll)<<60;
//const int INF = 2e9+9;
const int MOD = 1e9+7;

ll x,y;

int main()
{
	scanf("%lld %lld",&x,&y);
	int cnt = 2020;
	if(y-x+1>=3000)
	{
		cnt = 0;
	}
	else
	{
		for(int i=x;i<=y;i++)
		{
			for(int j=i+1;j<=y;j++)
				cnt = min(cnt,(ll)i*j%2019);
		}
	}
	cout<<cnt<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:42: error: no matching function for call to 'min(int&, ll)'
   30 |                                 cnt = min(cnt,(ll)i*j%2019);
      |                                       ~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:30:42: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   30 |                                 cnt = min(cnt,(ll)i*j%2019);
      |                                       ~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:30:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   30 |                                 cnt = min(cnt,(ll)i*j%2019);
      |                                       ~~~^~~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <list>
#include <math.h>
#include <algorithm>
#include <functional>
#include <string>
#include <iomanip>
#include <queue>
#include <map>


int main()
{
	long long L, R;
	std::cin >> L >> R;


	long long val = 0;

	long long min = LLONG_MAX;
	for (int i = L; i < R+1; i++) {
		for (int j = L; j <R+1 ; j++) {
//			std::cout << i << " " << j << std::endl;
			if (i < j) {
//				std::cout << i*j << std::endl;
				val = (i*j) % 2019;
				if (val < min) {
					min = val;
				}
			}

		}

	}


	
	std::cout << min;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:25: error: 'LLONG_MAX' was not declared in this scope
   21 |         long long min = LLONG_MAX;
      |                         ^~~~~~~~~
a.cc:11:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   10 | #include <map>
  +++ |+#include <climits>
   11 |
Language: C++

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> TUP;
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define mp(a,b) make_pair(a,b)
const ll MOD=1000000007;

int main(){
	ll L,R; cin>>L>>R;
  if(R-L>=2018){
    printf("0");
    return 0;
  }

  vector<ll> mod(2019,2019);
  for(int i=0;i<=R-L;i++){
  	mod[i]=(i+L)%2019;
  }
  sort(mod.begin(),mod.end());
  
  else printf("%lld",mod[0]*mod[1]);
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:3: error: 'else' without a previous 'if'
   25 |   else printf("%lld",mod[0]*mod[1]);
      |   ^~~~
Language: C

#include<stdio.h>

int main(){
	long long l,r,min=2020;
  scanf("%lld%lld",&l,&r);
  if(r-l>2019){
  	printf("0");
    return 0;
  }
  for(int i=l;i<=r-1;i++){
  	for(int j=i+1;j<=r;j++){
    	min=(min>(i%2019)*(j%2019)%2019)?(i%2019)*(j%2019)%2019):min;
    }
  }
  printf("%lld",min);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:64: error: expected ':' before ')' token
   12 |         min=(min>(i%2019)*(j%2019)%2019)?(i%2019)*(j%2019)%2019):min;
      |                                                                ^
      |                                                                :
main.c:12:64: error: expected statement before ')' token
main.c:12:65: error: expected expression before ':' token
   12 |         min=(min>(i%2019)*(j%2019)%2019)?(i%2019)*(j%2019)%2019):min;
      |                                                                 ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> P;
typedef vector<ll> vl;
typedef vector<vl> vvl;
template<typename T> using v = vector<T>;
template<typename T> using pq = priority_queue<T>;
template<typename T> using minpq = priority_queue<T, vector<T>, greater<T>>;
template<typename T, typename K> using ump = unordered_map<T, K>;
const ll dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
const ll mod = 2019;
const ll inf = ll(1e9);
const ll e5 = ll(1e5);
const ll ll_inf = ll(1e9) * ll(1e9);

#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)
#define repr(i, n) for(ll i = n - 1; i >= 0; i--)
#define repone(i, n) for(ll i = 1; i <= (ll)(n); i++)
#define each(i, mp) for(auto& i:mp)
#define eb emplace_back
#define F first
#define S second
#define all(obj) (obj).begin(), (obj).end()

template<class T>
void dump_debug(T list) {
#ifdef MY_DEBUG
    each(e, list) cout << e << " ";
    printf("\n");
#endif
}

inline ll inl() {
    ll x;
    cin >> x;
    return x;
}

inline string ins() {
    string x;
    cin >> x;
    return x;
}

/* ------------- ANSWER ------------- */
/* ---------------------------------- */

int main() {
#ifdef MY_DEBUG
    while (true) {
#endif
        ll l, r;
        cin >> l >> r;
        ll ans = ll_inf;
        if (r - l >= mod) cout << 0 << endl;
        else {
            l %= mod, r %= mod;
            if (l > r) {
                cout << 0 << endl;
                break;
            }
            for (long long i = l; i <= r - 1; ++i) {
                for (long long j = i + 1; j <= r; ++j) {
                    ans = min(ans, (i * j) % mod);
                }
            }
            cout << ans << endl;
        }
//        ll ans = ll_inf;
//        if (l <= mod && mod <= r) {
//            cout << 0 << endl;
//        } else if (l <= mod && r <= mod) {
//            for (long long i = 0; i < min(r - l, mod); ++i) {
//                ll now = r - i;
//                ans = min(ans, ((now % mod) * (now - 1) % mod) % mod);
//            }
//            cout << ans << endl;
//        } else {
//            for (long long i = 0; i < min(r - l, mod); ++i) {
//                ll now = l + i;
//                ans = min(ans, ((now % mod) * (now + 1) % mod) % mod);
//            }
//            cout << ans << endl;
//        }
#ifdef MY_DEBUG
    }
#endif
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:63:17: error: break statement not within loop or switch
   63 |                 break;
      |                 ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
#define inf 1000000007
 
int main(){
  int l, r;
  cin >> l >> r;
  if(r-l>=2018){
    cout << 0 << endl;
    return 0;
  }
  vector<int> m(r-l+1);
  for(int i=0; i<=r-l; i++){
    m[i] = l+i%2019;
  }
  sort(m.begin(), m.end());
  int ans = (m[0]*m[1])%2019;
  cout << ans << endl;
  return 0;
}
#include <bits/stdc++.h>
using namespace std;

#define inf 1000000007
 
int main(){
  long long int l, r;
  cin >> l >> r;
  if(r-l>=2018){
    cout << 0 << endl;
    return 0;
  }
  vector<long long int> m(r-l+1);
  for(int i=0; i<=r-l; i++){
    m[i] = l+i%2019;
  }
  sort(m.begin(), m.end());
  int ans = (m[0]*m[1])%2019;
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc:27:5: error: redefinition of 'int main()'
   27 | int main(){
      |     ^~~~
a.cc:6:5: note: 'int main()' previously defined here
    6 | int main(){
      |     ^~~~
Language: C++

#include <iostream>

using namespace std;
int main(int argc, char *argv[]) {
	int l, r;
	cin >> l >> r;
	
	int min = INT_MAX;
	for (int i = l; i < r; i++) {
		for (int j = i + 1; j <= r; j++) {
			int ans = (i * j) % 2019;
			if (ans < min) {
				min = ans;
			}
		}
	}
	
	cout << min << endl;
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:8:19: error: 'INT_MAX' was not declared in this scope
    8 |         int min = INT_MAX;
      |                   ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include <iostream>
  +++ |+#include <climits>
    2 |
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);
#define ll long long int
#define tc int t; cin>>t; while(t--)
int main() {
 //fastio
ll n,d;
cin>>n>>d;
ll a=INT_MAX;
n=n%2019;
d=d%2019;
for(int i=l;i<r;i++)
{
    for(int j=i+1;j<=r;j++)
        a=min(a,(i*j)%2019);
}
cout<<a;

}





Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: 'l' was not declared in this scope
   13 | for(int i=l;i<r;i++)
      |           ^
a.cc:13:15: error: 'r' was not declared in this scope
   13 | for(int i=l;i<r;i++)
      |               ^
a.cc:16:14: error: no matching function for call to 'min(long long int&, int)'
   16 |         a=min(a,(i*j)%2019);
      |           ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:16:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   16 |         a=min(a,(i*j)%2019);
      |           ~~~^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:16:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   16 |         a=min(a,(i*j)%2019);
      |           ~~~^~~~~~~~~~~~~~
Language: C++

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

int main() {
  int L, R;
  int r, minr;
  minr=2019;
  cin >> L >> R;
  for (i=L;i<R;++i){
    for (j=i+1;j<R+1;++j){
      r=i*j%2019;
      if (r<minr){
        minr=r;
      }
    }
  }
  cout << minr << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: 'i' was not declared in this scope
   10 |   for (i=L;i<R;++i){
      |        ^
a.cc:11:10: error: 'j' was not declared in this scope
   11 |     for (j=i+1;j<R+1;++j){
      |          ^