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

#include <iostream>
int main(){
  using namespace std;
  int L,R,now_min;
  now_min = 2019;
  cin >> L >> R;
  if(R-L+1 >= 2019){
    cout << 0 << endl;
    return;
  }
  for(int i=L;i<R;i++){
    for(int j=i+1;j<=R;j++){
      now_min = min(((i%2019)*(j%2019))%2019, now_min);
      if(now_min==0){ break; }
    }
  }
  cout << now_min << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
    9 |     return;
      |     ^~~~~~
Language: C++

#include<iostream>
#include<stdio.h>
#include<cmath>
using namespace std;
int main(){
    long long int L,R, x=0x3f3f3f3f;
    cin>>L>>R;
    
    
    for(int i=L%2019;i<(R%2019);i++){
        for(int j=i+1;j<=R%2019;j++){
            x=min(x,ill*i*j%2019);
        }
    }
    cout<<x;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:21: error: 'ill' was not declared in this scope
   12 |             x=min(x,ill*i*j%2019);
      |                     ^~~
Language: C++

#include<iostream>
using namespace std;
int main(){
    long long int L,R, x=0x3f3f3f3f;
    cin>>L>>R;
    
    
    for(int i=L%2019;i<(R%2019);i++){
        for(int j=i+1;j<=R%2019;j++){
            x=min(x,ill*i*j%2019);
        }
    }
    cout<<x;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: 'ill' was not declared in this scope
   10 |             x=min(x,ill*i*j%2019);
      |                     ^~~
Language: C++

#include<fstream>
#include<string>
#include<iostream>
#include<sstream>
#include<iterator>
#include<cmath>
 
using namespace std;
 
int main(){
 long int L;
 long int R;
 int m = 2019;
 long int i,j;
 cin >> L >> R;
 if(R-L>= 2019)m=0;
else{for(i=L;i<=R;i++){
  for(j=i+1;j<=R;j++){
    m = min(m,((i*j)%2019));
  }}
 }
 cout << m << endl; 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:12: error: no matching function for call to 'min(int&, long int)'
   19 |     m = min(m,((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/istream:40,
                 from /usr/include/c++/14/fstream:40,
                 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:19:12: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   19 |     m = min(m,((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
Language: C++

constexpr int MOD = 2019;

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

	int smallL = L % MOD;
	int smallR = R % MOD;
	int m = MOD;


	for (int i = smallL; i < smallR; i++) {
		for (int j = i + 1; j <= smallR; j++) {
			m = min((i*j) % MOD, m);
		}
	}
	cout << m << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> L >> R;
      |         ^~~
a.cc:15:29: error: 'min' was not declared in this scope; did you mean 'main'?
   15 |                         m = min((i*j) % MOD, m);
      |                             ^~~
      |                             main
a.cc:18:9: error: 'cout' was not declared in this scope
   18 |         cout << m << endl;
      |         ^~~~
a.cc:18:22: error: 'endl' was not declared in this scope
   18 |         cout << m << endl;
      |                      ^~~~
Language: C++

#include<iostream>
#include<iomanip>
#include<string>
#include<queue>
#include<vector>
#include<cmath>
using namespace std;
int main(){
  int l,r;
  cin>>l>>r;
  if(l<3&&673<=r){
  m=0;
  }else{
  int m=(l*r)%2019;
  for(int i=l;i<r;i++){
    for(int j=l+1;j<=r;j++){
    min(m,(i*j)%2019);
    }
  }
  }
  cout<<m;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: 'm' was not declared in this scope
   12 |   m=0;
      |   ^
a.cc:17:8: warning: ignoring return value of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = int]', declared with attribute 'nodiscard' [-Wunused-result]
   17 |     min(m,(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: declared here
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:21:9: error: 'm' was not declared in this scope
   21 |   cout<<m;
      |         ^
Language: C

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

int main(){
  long L, R;
  if(scanf("%ld %ld", &L, &R) == EOF) exit(1);
  /*
    L = L % 2019;
    R = R % 2019;
  */
  long min = 2018;
    for(long i = L; i < R; i++){
      for(long j = i+1; j < R+1; j++){
        long a = (i*j) % 2019;
        if(a == 0){
          min = a;
          break;
        }
        if(a < min) min = a;
      }
      if(a == 0) break;
    }
  //if(answer == 2019) answer = 0;
  
  printf("%ld", min);
  return 0;
}



Compiler output:
main.c: In function 'main':
main.c:21:10: error: 'a' undeclared (first use in this function)
   21 |       if(a == 0) break;
      |          ^
main.c:21:10: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <iostream>
int main(){
  using namespace std;
  int L,R;
  cin >> L >> R;
  for(int i=0;i<L;i++){
    for(int j=i+1;j<L;j++){
      now_min = min((i*j)%2019, now_min);
      if(now_min==0){ break; }
    }
  }
  cout >> now_min >> endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'now_min' was not declared in this scope
    8 |       now_min = min((i*j)%2019, now_min);
      |       ^~~~~~~
a.cc:12:11: error: 'now_min' was not declared in this scope
   12 |   cout >> now_min >> endl;
      |           ^~~~~~~
Language: C++

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


int main(void){
  int l,r;
  int mi=10000000;
  int num[2019]={-1};
  cin>>l>>r;
  if(r-l+1>=2019)cout<<0<<endl;
  else{
    for(int i=l;i<=r;i++){
          for(int i=l;i<=r;i++){
           if(i !=j)mi=min(mi,i*j%2019);
      }
    }
    cout<<mi<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:19: error: 'j' was not declared in this scope
   15 |            if(i !=j)mi=min(mi,i*j%2019);
      |                   ^
Language: C++

#include<fstream>
#include<string>
#include<iostream>
#include<sstream>
#include<iterator>
#include<cmath>
 
using namespace std;
 
int main(){
 int L;
 int R;
 int m = 2019;
 int dis;
 int i,j;
 cin >> L >> R;
 dis=min(R-L,2019);
 if(dis==2019)m=0;
 for(i=L;i<L+dis;i++){
   for(j=i+1;j<L+dis+1;j++){
     m=min(m,((i*j)%2019));
  }}
 }
 cout << m;
}


Compiler output:
a.cc:24:2: error: 'cout' does not name a type
   24 |  cout << m;
      |  ^~~~
a.cc:25:1: error: expected declaration before '}' token
   25 | }
      | ^
Language: C++

#include<fstream>
#include<string>
#include<iostream>
#include<sstream>
#include<iterator>
#include<cmath>
 
using namespace std;
 
int main(){
 int L;
 int R;
 int m = 2019;
 int dis;
 int i,j;
 cin >> L >> R;
 dis=min(R-L,2019);
 for(i=L;i<L+dis;i++){
   for(j=i+1;j<L+dis+1;j++){
     m=min(m,((i*j)%2019));
  }}
 }
 cout << m;
}


Compiler output:
a.cc:23:2: error: 'cout' does not name a type
   23 |  cout << m;
      |  ^~~~
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: C++

#include<iostream>
#include<iomanip>
#include<string>
#include<queue>
#include<vector>
#include<cmath>
using namespace std;
int main(){
  int l,r;
  cin>>l>>r;
  if()
  for(int i=l;i<r;i++){
    for(int j=l+1;j<=r;j++){
      min(m,(i*j)%2019);
      if((i*j)%2019==0){
        m=0;
        break;
    }
  }
cout<<m;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:6: error: expected primary-expression before ')' token
   11 |   if()
      |      ^
a.cc:14:11: error: 'm' was not declared in this scope
   14 |       min(m,(i*j)%2019);
      |           ^
a.cc:20:7: error: 'm' was not declared in this scope
   20 | cout<<m;
      |       ^
a.cc:21:2: error: expected '}' at end of input
   21 | }
      |  ^
a.cc:8:11: note: to match this '{'
    8 | int main(){
      |           ^
Language: C++

#include<fstream>
#include<string>
#include<iostream>
#include<sstream>
#include<iterator>
#include<cmath>
 
using namespace std;
 
int main(){
 int L;
 int R;
 int m = 2019;
 int dis;
 int i,j;
 cin >> L >> R;
 dis=min(L-R,2019);
 for(i=L;i<L+dis;i++){
   for(j=i+1;j<L+dis+1;j++){
     m=min(m,(i*j)%2019);
  }}
 }
 cout << m; 
  return 0;
}

Compiler output:
a.cc:23:2: error: 'cout' does not name a type
   23 |  cout << m;
      |  ^~~~
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>
#include<algorithm>
using namespace std;


int main(void){
  int l,r;
  int mi=10000000;
  int num[2019]={-1};
  cin>>l>>r;
  if(r-l+1>=2019)cout<<0<<endl;
  else{
    for(int i=l;i<=r;i++){
      num[l%2019]=1;
    }
     for(int i=0;i<2019;i++){
       for(int j=0;j<2019;j++){
         if(num[i]>0){
           if(num[j]>0){
             if(i!=j)mi=min(mi,i*j%2019);
           }
         }
       }
     }
    cout<<mi<<endl;
  }
}

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

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

int main() {
  Int L, R;
  cin >> L >> R;
  int min_mod = 2019;
  if (R - L < 2019) {
    for (int i = L; i < R; i++) {
      for (int j = i + 1; j <= R; j++) {
        min_mod = min(min_mod, (i % 2019) * (j % 2019));
      }
    }
  } else {
    min_mod = 0;
  }
  cout << min_mod << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'Int' was not declared in this scope; did you mean 'int'?
    5 |   Int L, R;
      |   ^~~
      |   int
a.cc:6:10: error: 'L' was not declared in this scope
    6 |   cin >> L >> R;
      |          ^
a.cc:6:15: error: 'R' was not declared in this scope
    6 |   cin >> L >> R;
      |               ^
Language: C++

int main() {

	long int L,R;

	cin >> L>>R;

	int ans = INF;

	
	if (R - L >= 2019) {
		cout << 0 << endl;
	}
	else {
		repr(i, L, R+1) {
			repr(j, i + 1, R + 1) {
				ans = min(ans, i * j % 2019);
			}
		}
	}


	cout << ans << endl;




	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin >> L>>R;
      |         ^~~
a.cc:7:19: error: 'INF' was not declared in this scope
    7 |         int ans = INF;
      |                   ^~~
a.cc:11:17: error: 'cout' was not declared in this scope
   11 |                 cout << 0 << endl;
      |                 ^~~~
a.cc:11:30: error: 'endl' was not declared in this scope
   11 |                 cout << 0 << endl;
      |                              ^~~~
a.cc:14:22: error: 'i' was not declared in this scope
   14 |                 repr(i, L, R+1) {
      |                      ^
a.cc:14:17: error: 'repr' was not declared in this scope
   14 |                 repr(i, L, R+1) {
      |                 ^~~~
a.cc:22:9: error: 'cout' was not declared in this scope
   22 |         cout << ans << endl;
      |         ^~~~
a.cc:22:24: error: 'endl' was not declared in this scope
   22 |         cout << ans << endl;
      |                        ^~~~
Language: C++

 #include<bits/stdc++.h>
using namespace std;;
int main(){
  long long int A,B=999999999999,C,L,R;
  cin>>L>>R;
  if(R-L>2018)A=0;
  else{
    L%=2019;
    R%=2019;
    if(L>=R)A=0;
    else{
      for(int i=L;i<R;i++){
      for(int j=i+1;j<R+1;j++){
        A=i*j%2019;
        if(B>A)B=A;
      }
    }
  }
  cout << B << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:2: error: expected '}' at end of input
   20 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

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

int main(){
  long long L,R;
  cin >> L >> R;
  int a = 2020;
  int b = 0;
  for(long long i = L; i < R; i++){
    if(i%2019==2018) b++;
    a = min(i%2019,a);
  }
  if(b>0) cout << 0 <<endl;
  else cout << a*((a+1)%2019) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: no matching function for call to 'min(long long int, int&)'
   11 |     a = min(i%2019,a);
      |         ~~~^~~~~~~~~~
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:11:12: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   11 |     a = min(i%2019,a);
      |         ~~~^~~~~~~~~~
/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:11:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   11 |     a = min(i%2019,a);
      |         ~~~^~~~~~~~~~
Language: C++

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

using namespace std;

int main(void)
{
	long long L, R;
	
	cin >> L >> R;
	
	if (L + 2019 < R) {
		R = L + 2019;
	}
	
	ans = (L * R) % 2019;
	
	for (long long i = L; i < R - 1; i++) {
		for (long long j = i + 1; j < R; j++) {
			if (ans > i * j % 2019) {
				ans = (i * j) % 2019;
			}
		}
	}
	
	cout << ans << endl;
	
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |         ans = (L * R) % 2019;
      |         ^~~
      |         abs
Language: C

#include <stdio.h>
 
int main(void) {
int L,R,i,j,k,a;
scanf("%d %d\n",&L,&R);
a=2019;
if(R-L<2019){
for(j=L;j<=R;j++){
	for(i=L;i<=j;i++){
		if(i<j){
			k=(i*j)%2019;
			if(a>k){
				a=k;
			}
		}
	}
}
}else{
	
	a=0;
}
}
printf("%d\n",a);
}

Compiler output:
main.c:23:8: error: expected declaration specifiers or '...' before string constant
   23 | printf("%d\n",a);
      |        ^~~~~~
main.c:23:15: error: unknown type name 'a'
   23 | printf("%d\n",a);
      |               ^
main.c:24:1: error: expected identifier or '(' before '}' token
   24 | }
      | ^
Language: C++

 #include<bits/stdc++.h>
using namespace std;;
int main(){
  long long int A,B=999999999999,C,L,R;
  cin>>L>>R;
  if(R-L>2018)A=0;
  else{
    for(int i=L;i<R;i++){
      for(int j=i+1;j<R+1;j++){
        A=i*j%2019;
        if(B>A)B=A;
      }
    }
  cout << A << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: Java

import java.util.Scanner;

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

		Scanner sc = new Scanner(System.in);
		long l = sc.nextInt();
		long r = sc.nextInt();
		long min = 2018;
		for (long i = l; i <= r; i++) {
			if (i % 2019 == 0)
				min = 0;
		}
		for (long i = l; i < l+2020; i++) {
			if (min == 0)
				break;
			for (long j = i + 1; j <= l+2020; j++) {
				if (i * j % 2019 < min)
					min = i * j % 2019;
			}
		}

		
		for (long i = r; i >= l-2020; i--) {
			if (min == 0)
				break;
			for (long j = i -1; j>=-2020; j--) {
				if (i * j % 2019 < min)
					min = i * j % 2019;
			}
		
		System.out.println(min);
	}
}

Compiler output:
Main.java:34: error: reached end of file while parsing
}
 ^
1 error
Language: C++

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

int main(){
	long long l, r, ans = 2019;
	cin >> l >> r;
	for(int i = l; i < r; i++){
		if(i == l + 2019) break;
		for(int j = i + 1; j <= r; j++){
			if(j == i + 2020) break;
			ans = min(ans, (i * j) % 2019);
		}
	}
	
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:34: error: no matching function for call to 'min(long long int&, int)'
   11 |                         ans = min(ans, (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:11:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   11 |                         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:
/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:11:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   11 |                         ans = min(ans, (i * j) % 2019);
      |                               ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int maxn=2e5+10;
const double inf=1e9;
typedef long long ll;
typedef pair<ll,ll>pr;
const ll mod=1e9+7;
ll _pow(ll  a,ll b) {
    ll ans=1;
    while(b) {
        if(b&1)
            ans=ans*a%mod;
        a=a*a%mod;
        b>>=1;
    }
    return ans;
}

int main(){
  ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  ll l,r;
  cin>>l>>r;
  if(r-l>=2019){
    cout<<0<<endl;
    return 0;
  }
  ll ans=0x3f3f3f3f;
  for(int i=l;i<=r;i++){
    for(int j=i+1;j<=r;j++){
      ans=min(ans,(i*j)%2019);
    }
  }
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:14: error: no matching function for call to 'min(ll&, int)'
   30 |       ans=min(ans,(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:30:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   30 |       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:
/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:30:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   30 |       ans=min(ans,(i*j)%2019);
      |           ~~~^~~~~~~~~~~~~~~~
Language: C

for(j=L;j<=R;j++){
	for(i=L;i<=j;i++){
		if(i<j){
			k=(i*j)%2019;
			if(a>k){
				a=k;
			}
		}
	}
}

Compiler output:
main.c:1:1: error: expected identifier or '(' before 'for'
    1 | for(j=L;j<=R;j++){
      | ^~~
main.c:1:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<=' token
    1 | for(j=L;j<=R;j++){
      |          ^~
main.c:1:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before '++' token
    1 | for(j=L;j<=R;j++){
      |               ^~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: expected '(' before '!' token
    8 |      if !(R < 2019) {
      |         ^
      |         (
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(L/2019 != R/2019 || L2019 == 0) {
			System.out.println(0);
			return;
		}
		
		System.out.println(L2019* (L2019+1)%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: Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long l = sc.nextLong();
		long r = sc.nextLong();
		long ans = 0;
		long min = Long.MAX_VALUE;

		for (long i = l; i < r; i++) {
			for (long j = i + 1; j <= r; j++) {
				long calc = (i * j) % 2019;
				min = Math.min(min, calc);
				if (min == 0) {
					break;
				}
			}
			if (min == 0) {
				break;
			}
		}
		System.out.println(min);


		//		if (r < 2019) {
		//			ans =  (l * (l + 1)) % 2019;
		//
		//		} else if (r - l >= 2019 ) {
		//			ans = 0;
		//
		//		} else if (l < 2019 && 2019 < r) {
		//
		//
		//		} else {
		//			ans =  (l * (l + 1)) % 2019;
		//		}

		//		System.out.println(ans);


	}


Compiler output:
Main.java:43: error: reached end of file while parsing
	}
	 ^
1 error
Language: Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long l = sc.nextLong();
		long r = sc.nextLong();
		long ans = 0;
		long min = Long.MAX_VALUE;

		for (long i = l; i < r; i++) {
			for (long j = i + 1; j <= r; j++) {
				long calc = (i * j) % 2019;
				min = Math.min(min, calc);
				if (min == 0) {
					break;
				}
			}
			if (min == 0) {
				break;
		}
		System.out.println(min);


//		if (r < 2019) {
//			ans =  (l * (l + 1)) % 2019;
//
//		} else if (r - l >= 2019 ) {
//			ans = 0;
//
//		} else if (l < 2019 && 2019 < r) {
//
//
//		} else {
//			ans =  (l * (l + 1)) % 2019;
//		}

//		System.out.println(ans);

	}

}


Compiler output:
Main.java:43: error: reached end of file while parsing
}
 ^
1 error
Language: C++

 #include<bits/stdc++.h>
using namespace std;;
int main(){
  long long int A,B=999999999999,C,L,R;
  cin>>L>>R;
  if(R-L>2018)A=0;
  else{
    for(int i=L;i<R;i++){
      for(int j=L+1;j<R+1;j++){
        A=i*j%2019;
        if(B>A)B=A;
      }
    }
  cout << A << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

 #include<bits/stdc++.h>
using namespace std;;
int main(){
  long long int A,B=999999999999,C,L,R;
  cin>>L>>R;
  if(R-L>2018)A=0;
  else{
    for(int i=L;i<R;i++){
      for(int j=L+1;j<R+1;j++){
        A=i*j%2019;
        if(B>A)B=A;
      }
  cout << A << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:2: error: expected '}' at end of input
   14 | }
      |  ^
a.cc:7:7: note: to match this '{'
    7 |   else{
      |       ^
a.cc:14:2: error: expected '}' at end of input
   14 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C

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

int main()
{
    long l,r,c,min=2019,tmp;
    long i,j;

    scanf("%ld %ld",&l,&r);
    
    for(i=l;i<r;i++){
            for(j=i+1;j<=r){
                tmp = (i * j) % 2019;
            if(min > tmp){
                min = tmp;
            }
            if(min == 0)
            {
                break;
            }
        }

        if(min == 0)
        {
            break;
        }
    }
    
    printf("%ld\n",min);
    

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:27: error: expected ';' before ')' token
   14 |             for(j=i+1;j<=r){
      |                           ^
      |                           ;
Language: C++

#include <iostream>
#include <string>

using namespace std;

int main(void){
    int min = 3000;
    int L, R;
    cin >> L >> R;

    if(L+2018 < R){
        min = 0;
    } eles {

    for(int i=L;i<R;i++){
        int vi = i%2019;
        for(int j=i+1;j<R+1;j++){
            int vj = j%2019;
            int m = vi*vj;
            while (m >=2019){
                m -= 2019;
            }

            if(min > m){
                min = m;
            }

        }
    }
    }

    cout << min << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:7: error: 'eles' was not declared in this scope
   13 |     } eles {
      |       ^~~~
Language: C++

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF = 1000000000;
const int MOD = (int)1e9 + 7;


signed main()
{
    int l, r;
    cin >> l >> r;
    int L = l % 2019;
    int R = r % 2019;
    int minV = INF;
    if (r - l > 2019) {
        cout << 0 << "\n"
    }
    if (L >= R) R += 2019;
    for (int i = L; i < R + 1; i++)
    {
        for (int j = i + 1; j < R + 1; j++)
        {
            int mod = (i * j) % 2019;
            minV = min(minV, mod);
        }
    }
    cout << minV << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:26: error: expected ';' before '}' token
   16 |         cout << 0 << "\n"
      |                          ^
      |                          ;
   17 |     }
      |     ~
Language: C++

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

int main(int argc, char const *argv[]) {
    long long int L, R;
    long long int lm, rm, ans;
    ans = 2019;
    cin >> L >> R;
    lm = L % 2019;
    rm = R % 2019;
    if(rm-lm>2018){
        ans = 0;
    }
    else if (lm >= rm) {
        ans = 0;
    }
    else if (lm <= 673 && 673 <= rm) {
        if((lm <= 672 && 672 <= rm) ||
           lm <= 675 && 675 <= rm) {
            ans = 0;
        }
    }else if(lm <= 673*2 && 673*2 <= rm) {
        if(lm <= 672*2 && 672*2 <= rm ||
           lm <= 675*2 && 675*2 <= rm) {
            ans = 0;
        }
    }
    if (ans != 0) {
        for (int i = lm; i <= rm - 1; ++i) {
            for (int j = i + 1; j <= rm; ++j) {
                ans = min(ans, (i * j) % 2019);
            }
        }
    }

    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:31:26: error: no matching function for call to 'min(long long int&, int)'
   31 |                 ans = min(ans, (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:31:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |                 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:
/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:31:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |                 ans = min(ans, (i * j) % 2019);
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int l,r,ans,up;
int main()
{
	ans=2020;
	scanf("%d%d",&l,&r);
	up=min(r,l+2019); 
	for(int i=l;i<=up;++i)
	{
		for(int j=i+1;j<=up;++j)
		ans=min(ans,(1ll*i*j)%2019);
	}
	printf("%d\n",ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:24: error: no matching function for call to 'min(int&, long long int)'
   12 |                 ans=min(ans,(1ll*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:12:24: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   12 |                 ans=min(ans,(1ll*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:12:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   12 |                 ans=min(ans,(1ll*i*j)%2019);
      |                     ~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
#define REP(i, s) for (int i = 0; i < s; ++i)
#define ALL(v) (v.begin(), v.end())
#define COUT(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl
#define EACH(i, s) for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i)
 
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<class T1, class T2> ostream& operator << (ostream &s, pair<T1,T2> P)
{ return s << '<' << P.first << ", " << P.second << '>'; }
template<class T> ostream& operator << (ostream &s, vector<T> P)
{ for (int i = 0; i < P.size(); ++i) { if (i > 0) { s << " "; } s << P[i]; } return s; }
template<class T> ostream& operator << (ostream &s, vector<vector<T> > P)
{ for (int i = 0; i < P.size(); ++i) { s << endl << P[i]; } return s << endl; }
template<class T> ostream& operator << (ostream &s, set<T> P)
{ EACH(it, P) { s << "<" << *it << "> "; } return s << endl; }
template<class T1, class T2> ostream& operator << (ostream &s, map<T1,T2> P)
{ EACH(it, P) { s << "<" << it->first << "->" << it->second << "> "; } return s << endl; }
typedef long long ll;

int main(){
    ll l, r;
    cin >> l >> r;
    ll unko = 2019;
    if (r - l >= 2019)
    {
        cout << 0 << endl;
   }
   else{
       vector<ll> v;
       for (int i = l; i <= r; i++)
       {
           v.push_back(min(2019-i % unko,unko);
       }
   
   sort(v.begin(), v.end());
   ll q = (v[0] * v[1]) % unko;
   cout << q << endl;

   }

   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:47: error: expected ')' before ';' token
   35 |            v.push_back(min(2019-i % unko,unko);
      |                       ~                       ^
      |                                               )
Language: C++

#include <bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
#define base 31
#define MOD 1e9+7
#define FOR(i, a, b) for(int i = a; i <= b; i++)
#define FORs(i, a, b) for(int i = a; i >= b; i--)
#define REP(i, a, b) for(int i = a; i < b; i++)
#define __FOR(i, a, b, k) for(int i = a; i <= b; i+= k)
#define __REP(i, a, b, k) for(int i = a; i < b; i+= k)
#define pb push_back
#define _io ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;

typedef pair <int, int> ii;
typedef vector <ii> vii;
#define fi first
#define se second
#define mp make_pair
#define PROB "text"
#define MAXN 200005
ull l,r,x,y;
void naovet(){

				ull res=10000000000000000000;
				FOR(i,l,r-1) FOR(j,i+1,r){
					if (((ull)(i*j)%(ull)2019)<res){
						(ull) res=(ull)(i*j)%(ull)2019;
						if (res==0){

							cout<<0; exit(0);
						}
						//x=i;y=j;
					}
  				}
  				cout<<res;

}
int main(){
		_io;
	
		cin>>l>>r;
		if (l==0) cout<<0, exit(0);
		naovet();

}


Compiler output:
a.cc:25:41: warning: integer constant is so large that it is unsigned
   25 |                                 ull res=10000000000000000000;
      |                                         ^~~~~~~~~~~~~~~~~~~~
a.cc: In function 'void naovet()':
a.cc:28:49: error: lvalue required as left operand of assignment
   28 |                                                 (ull) res=(ull)(i*j)%(ull)2019;
      |                                                 ^~~~~~~~~
Language: C++

#include<fstream>
#include<string>
#include<iostream>
#include<sstream>
#include<iterator>
#include<cmath>

using namespace std;

int main(){
 int L;
 int R;
 int m = 2019;
 int i,j;
 cin >> L >> R;
 if(R-L>= 673)m=0;
    m = min(((R*(R+1))%2019)),((L*(L+1))%2019));
  }}
 }
 cout << m; 
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:12: error: no matching function for call to 'min(int)'
   17 |     m = min(((R*(R+1))%2019)),((L*(L+1))%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/istream:40,
                 from /usr/include/c++/14/fstream:40,
                 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
a.cc: At global scope:
a.cc:18:4: error: expected declaration before '}' token
   18 |   }}
      |    ^
a.cc:19:2: error: expected declaration before '}' token
   19 |  }
      |  ^
a.cc:20:2: error: 'cout' does not name a type
   20 |  cout << m;
      |  ^~~~
a.cc:21:3: error: expected unqualified-id before 'return'
   21 |   return 0;
      |   ^~~~~~
a.cc:22:1: error: expected declaration before '}' token
   22 | }
      | ^
Language: C++

#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif

// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>

#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif
using namespace std;
typedef long long int ll;
typedef long double ld;
typedef vector<ll> vi;
typedef vector<string> vs;
typedef pair<ll,ll> P;
typedef vector<P> vp;
#define REP(i,n) for(int i=0;i<n;i++)
#define FOR(i,m,n) for(int i=m;i<n;i++)
#define REPR(i,n) for(int i=n-1;i>=0;i--)
#define FORR(i,n,m) for(int i=n-1;i>=m;i--)
#define ARR(array) for(int i=0;i<array.size();i++)
#define all(in) in.begin(),in.end()
#define ALL(in,K) in,in+K
#define INF 1e18
#define MOD 1000000007
#define SIZE 10005
#define PI 	3.14159265358979323846

ll euclidean_gcd(ll a, ll b) {
  if(a < b) euclidean_gcd(b, a);
  ll r;
  while ((r=a%b)) {
    a = b;
    b = r;
  }
  return b;
}

double input(){
  ll a;
  cin >> a;
  return a;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll a,b;
    cin >> a >>b;
    cout << ((a/-1)673==b/673 && (a%3 || b%3 || abs(a-b)>1)?a%2019*(a+1)%2019:0) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:125:20: error: expected ')' before numeric constant
  125 |     cout << ((a/-1)673==b/673 && (a%3 || b%3 || abs(a-b)>1)?a%2019*(a+1)%2019:0) << endl;
      |             ~      ^~~
      |                    )
Language: C++

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

int main(){
  int l,r;
  cin>>l>>r;
  int64_t a=l*(l+1);
  int64_t b=a%2019;
  int64_t c=l*r/2019;
  int64_t d=a;
  int64_t e=(r-1)*l;
  int64_t f=e/2019-d/2019;
  int64_t g;
  for(int i=d/2019;i<=e/2019;i++){
    if()g=min(b,i*2019%2019)
  }
  cout <<g<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:8: error: expected primary-expression before ')' token
   17 |     if()g=min(b,i*2019%2019)
      |        ^
a.cc:17:14: error: no matching function for call to 'min(int64_t&, int)'
   17 |     if()g=min(b,i*2019%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:17:14: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   17 |     if()g=min(b,i*2019%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:3:
/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:17:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   17 |     if()g=min(b,i*2019%2019)
      |           ~~~^~~~~~~~~~~~~~~
Language: C++

#include<stdio.h>



int main() {

	int L, R;
	int i;
	scanf("%d", &L);
	scanf("%d", &R);
	int min = 2019;
	if ((R - L) >= 2018||(R>2019&&L<2019)) {
		min = 0;
	} 
	
	else {
		for (i = 0; i <= R - L; i++) {
			if (((L + i) % 2019) < min) {
				min = (L + i) % 2019;
			}
		}


	printf("%d\n", min*(min + 1));

	return 0(;>2019&&L<2019)
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:18: error: expected primary-expression before ';' token
   26 |         return 0(;>2019&&L<2019)
      |                  ^
a.cc:26:19: error: expected primary-expression before '>' token
   26 |         return 0(;>2019&&L<2019)
      |                   ^
a.cc:27:2: error: expected '}' at end of input
   27 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		long L = sc.nextLong();
      long R = sc.nextLong();
int mod = 2019;
      long minn =R;
      long min =L;
      long tmp =L;
      int count = 0;
      long r=R%mod;
      long l=L%mod;
      long k=0;
      long m=0;
      if(R-L>2019){
        min=0;
      }else{
		if(l>r){
  			min=0;
		}else{
          min=1;
          minn=(r*l)%mod;
          for(k=l;K<r;k++){
            for(m=k+1;K<=r;m++){
              if(minn>(k*m)%mod){
                minn=(k*m)%mod;
              }
            }
          }
        }
      }


      System.out.println(min*minn);
    }
  
}


Compiler output:
Main.java:25: error: cannot find symbol
          for(k=l;K<r;k++){
                  ^
  symbol:   variable K
  location: class Main
Main.java:26: error: cannot find symbol
            for(m=k+1;K<=r;m++){
                      ^
  symbol:   variable K
  location: class Main
2 errors
Language: C++

int main() {
  int2(l,r);
  if(abs(l-r)>=2019){
    prln(0);
    return;
  }
  l=l%2019;
  r=(r%2019);
  
  int min=2018;
  for (int i = l; i <= r-1; ++i) {
    for (int j = i+1; j <= r; ++j) {
      
      int modans = (i*j)%2019;
      
      if(modans<min){
        min=modans;
      }
    }
  }
  prln(min);  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:8: error: 'l' was not declared in this scope
    2 |   int2(l,r);
      |        ^
a.cc:2:10: error: 'r' was not declared in this scope
    2 |   int2(l,r);
      |          ^
a.cc:2:3: error: 'int2' was not declared in this scope; did you mean 'int'?
    2 |   int2(l,r);
      |   ^~~~
      |   int
a.cc:3:6: error: 'abs' was not declared in this scope
    3 |   if(abs(l-r)>=2019){
      |      ^~~
a.cc:4:5: error: 'prln' was not declared in this scope
    4 |     prln(0);
      |     ^~~~
a.cc:5:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
    5 |     return;
      |     ^~~~~~
a.cc:21:3: error: 'prln' was not declared in this scope
   21 |   prln(min);
      |   ^~~~