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

#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#define rep(i,n) for(int i = 0; i < (long int)n; i++)
using namespace std;

int min_mod(int x,int y,int z){
  int min = x*y;
  for(int i = x; i <= y; i++){
    for(int j = x j <= y; j++){
      if( (i*j)%z == 0){
        return min;
      }
      if( (i*j)%z < min){
        min = (i*j) % z;
      }
    }
  }
  return min;
}

int main(){
  long long int i,j;
  cin >> i >> j;
  cout << min_mod(i,j,2019);
  return 0;
}


Compiler output:
a.cc: In function 'int min_mod(int, int, int)':
a.cc:11:18: error: expected ';' before 'j'
   11 |     for(int j = x j <= y; j++){
      |                  ^~
      |                  ;
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#define rep(i,n) for(int i = 1; i < (long int)n; i++)
using namespace std;

int min_mod(int x,int y,int z){
  int min = i*j;
  rep(i,x){
    rep(j,y){
      if( (i*j) % z < min){
        min =  (i*j) % z;
      }
    }
  }
  return min;
}

int main(){
  long long int i,j;
  cin >> i >> j;
  cout << min_mod(i,j,2019);
  return 0;
}


Compiler output:
a.cc: In function 'int min_mod(int, int, int)':
a.cc:9:13: error: 'i' was not declared in this scope
    9 |   int min = i*j;
      |             ^
a.cc:9:15: error: 'j' was not declared in this scope
    9 |   int min = i*j;
      |               ^
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#define rep(i,n) for(int i = 0; i < (long int)n; i++)
using namespace std;

int main(){
  long int i,j;
  cin >> i >> j;
  cout << mod(i*j,2019);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:11: error: 'mod' was not declared in this scope; did you mean 'modf'?
   11 |   cout << mod(i*j,2019);
      |           ^~~
      |           modf
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#define rep(i,n) for(int i = 0; i < (long int)n; i++)
using namespace std;

int main(){
  long int i,j;
  cin >> i >> j;
  cout << mod(i*j,2019);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: 'mod' was not declared in this scope
   10 |   cout << mod(i*j,2019);
      |           ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main() {
	int l,r;
	int ans =2019;
	for (int i = l; i < r; i++)
	{
		/* code */
		for (int j = 0; j < r+1; j+)
		{
			int n = i*j % 2019;
			if (n<ans) ans = n;
		}
		
	}
	cout <<ans;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:44: error: expected primary-expression before ')' token
   11 |                 for (int j = 0; j < r+1; j+)
      |                                            ^
Language: C++

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

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

  if (R - L + 1 >= 673) {
    cout << 0 << endl;
  } else {
    long long ans = 2018;
    for (int i = L; i < R; i++) {
      for (int j = i + 1; j <= R; j++) {
        ans = min((i * j) % 2019, ans);
      }
    }
    cout << ans << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:18: error: no matching function for call to 'min(int, long long int&)'
   14 |         ans = min((i * j) % 2019, ans);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~
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:14:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   14 |         ans = min((i * j) % 2019, ans);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~
/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:14:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   14 |         ans = min((i * j) % 2019, ans);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

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

int main(){
	long long L, R;
	//2019 = 3 * 673
	long long div = R - L + 1;
	if(div >= 673) cout << 0 << endl;
	else{
		int div = 2019;
		long long ans = 777;
		for(long long i = L; i <= R; i++){
			for(long long j = L; j < = R; j++){
				long long mod = (i * j) % div;
				ans = min(ans, mod);
			}
		}
		cout << ans << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:50: error: expected primary-expression before '=' token
   13 |                         for(long long j = L; j < = R; j++){
      |                                                  ^
Language: C++

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

int main(){
	long long L, R;
	//2019 = 3 * 673
	long long div = R - L + 1;
	if(div >= 673) cout << 0 << endl;
	else{
		int div = 2019;
		int ans = 777;
		for(long long i = L; i <= R; i++){
			for(long long j = i; j <= R; j++){
				long long modij = (i * j) % div;
				ans = min(ans, modij);
			}
		}
		cout << ans << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:42: error: no matching function for call to 'min(int&, long long int&)'
   15 |                                 ans = min(ans, modij);
      |                                       ~~~^~~~~~~~~~~~
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:15:42: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   15 |                                 ans = min(ans, modij);
      |                                       ~~~^~~~~~~~~~~~
/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:15:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   15 |                                 ans = min(ans, modij);
      |                                       ~~~^~~~~~~~~~~~
Language: C++

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

int main(){
	long long L, R;
	//2019 = 3 * 673
	long long div = R - L + 1;
	if(div >= 673) cout << 0 << endl;
	else{
		int div = 2019;
		int ans = 777;
		for(long long i = L; i <= R; i++){
			for(long long j = i; j < = R; j++){
				long long modij = (i * j) % div;
				ans = min(ans, modij);
			}
		}
		cout << ans << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:50: error: expected primary-expression before '=' token
   13 |                         for(long long j = i; j < = R; j++){
      |                                                  ^
a.cc:15:42: error: no matching function for call to 'min(int&, long long int&)'
   15 |                                 ans = min(ans, modij);
      |                                       ~~~^~~~~~~~~~~~
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:15:42: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   15 |                                 ans = min(ans, modij);
      |                                       ~~~^~~~~~~~~~~~
/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:15:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   15 |                                 ans = min(ans, modij);
      |                                       ~~~^~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
#include<iostream>
#include<string>
#include<vector>
#define ll long long
#define MAX 1000003
#define IOS ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define endl "\n"
using namespace std;

int main(){
    IOS;
    int l,r; cin>>l>>r;
    r=min(r,l+2019);
    int res=2018;
    for(ll i=l;i<=r;i++){
      for(ll j=i+1;j<=r;j++){
        res=min(res,(i*j)%2019);
      }
    }

    cout<<res;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:16: error: no matching function for call to 'min(int&, long long int)'
   18 |         res=min(res,(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:18:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   18 |         res=min(res,(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:18:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   18 |         res=min(res,(i*j)%2019);
      |             ~~~^~~~~~~~~~~~~~~~
Language: C++

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

int main() {
  ll l,r; 
  cin >> l >> r;
  
  ll m = 2018;
  
  r = min(r, l+4038);
  for (ll i=l; i<r; i++){
    for (ll j=i+1;j<=r;j++){
      int x = i*j%2019;
      m = min(m, x);
    }
  }
  cout << m << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:14: error: no matching function for call to 'min(ll&, int&)'
   15 |       m = min(m, x);
      |           ~~~^~~~~~
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:15:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   15 |       m = min(m, x);
      |           ~~~^~~~~~
/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:15:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   15 |       m = min(m, x);
      |           ~~~^~~~~~
Language: C++

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

int main() {
  ll l,r; 
  cin >> l >> r;
  
  ll m = 2018;
  
  r = min(r, l+4038);
  for (ll i=l; i<r; i++){
    for (ll j=i+1;j<=r;j++){
      int x = i*j%2019
      m = min(m, x);
    }
  }
  cout << m << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:7: error: expected ',' or ';' before 'm'
   15 |       m = min(m, x);
      |       ^
Language: C++

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

int main() {
  ll l,r; 
  cin >> l >> r;
  
  int m = 1e9;
  
  r = min(r, l+2019);
  for (int i=0; i<r; i++){
    for (int 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:3:17: error: declaration does not declare anything [-fpermissive]
    3 | #define ll long long;
      |                 ^~~~
a.cc:6:3: note: in expansion of macro 'll'
    6 |   ll l,r;
      |   ^~
a.cc:6:6: error: 'l' was not declared in this scope; did you mean 'll'?
    6 |   ll l,r;
      |      ^
      |      ll
a.cc:6:8: error: 'r' was not declared in this scope
    6 |   ll l,r;
      |        ^
Language: C++

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

int main() {
  ll l,r; 
  cin >> l >> r;
  
  int m = 1e9;
  
  r = min(r, l+2019);
  for (int i=0; i<r; i++){
    for (int j=i+1;j<=r;j++){
      m = min(m, (i*j)%2019);
    }
  }
  cout << m << endl;
}


Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'll'
    3 | using ll long long;
      |       ^~
a.cc: In function 'int main()':
a.cc:6:3: error: 'll' was not declared in this scope
    6 |   ll l,r;
      |   ^~
a.cc:7:10: error: 'l' was not declared in this scope
    7 |   cin >> l >> r;
      |          ^
a.cc:7:15: error: 'r' was not declared in this scope
    7 |   cin >> l >> r;
      |               ^
Language: C++

#include <iostream>
#include <cstdio>

using namespace std;

typedef long long ll;

const int maxn = 100010;
const int inf = 0x3f3f3f3f;

int n, a[maxn], b[maxn], c[maxn];

int read()
{
	int x;
	scanf("%d", &x);
	return x;
}

//AtCoder 4721

int main()
{
	n = read(), m = read();
	if(abs(n - m) == 1)
	{
		cout << (a * b % mod) << endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:21: error: 'm' was not declared in this scope; did you mean 'tm'?
   24 |         n = read(), m = read();
      |                     ^
      |                     tm
a.cc:27:28: error: invalid operands of types 'int [100010]' and 'int [100010]' to binary 'operator*'
   27 |                 cout << (a * b % mod) << endl;
      |                          ~ ^ ~
      |                          |   |
      |                          |   int [100010]
      |                          int [100010]
a.cc:27:34: error: 'mod' was not declared in this scope
   27 |                 cout << (a * b % mod) << endl;
      |                                  ^~~
Language: C++

#include<bits/stdc++.h>

using namespace std;

int l, r;
int ans = 2019;
int add;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'times' was not declared in this scope; did you mean 'timex'?
   12 |     if (r-l>=2019) times = 2019;
      |                    ^~~~~
      |                    timex
a.cc:13:10: error: 'times' was not declared in this scope; did you mean 'timex'?
   13 |     else times = r - l;
      |          ^~~~~
      |          timex
a.cc:14:22: error: 'times' was not declared in this scope; did you mean 'timex'?
   14 |     for (int i=0; i<=times; i++)
      |                      ^~~~~
      |                      timex
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: no matching function for call to 'min(long long int&, int&)'
   10 |       ans=min(a,ans);
      |           ~~~^~~~~~~
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:10:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   10 |       ans=min(a,ans);
      |           ~~~^~~~~~~
/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:10:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   10 |       ans=min(a,ans);
      |           ~~~^~~~~~~
Language: C++

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

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

	int answer = 2018;
	for(int i = L; i < R; i++){
		for(int j = i+1; j <= R; j++){
			int ref = i*j % 2019;
			if(ref == 0){
				cout << 0 << endl;
				return 0;
			}
			if(ref < answer){
				answer = ref;
			}
		}
	}
	
	cout << answer << endl;

	return 0;
}
	cin >> L >> R;

	int answer = 2018;
	for(int i = L; i < R; i++){
		for(int j = i+1; j <= R; j++){
			int ref = i*j % 2019;
			if(ref == 0){
				cout << 0 << endl;
				return 0;
			}
			if(ref < answer){
				answer = ref;
			}
		}
	}
	
	cout << answer << endl;

	return 0;
}

Compiler output:
a.cc:5:18: error: stray '#' in program
    5 |         int L, R;#include <bits/stdc++.h>
      |                  ^
a.cc: In function 'int main()':
a.cc:5:19: error: 'include' was not declared in this scope
    5 |         int L, R;#include <bits/stdc++.h>
      |                   ^~~~~~~
a.cc:5:28: error: 'bits' was not declared in this scope
    5 |         int L, R;#include <bits/stdc++.h>
      |                            ^~~~
a.cc:5:33: error: 'stdc' was not declared in this scope; did you mean 'std'?
    5 |         int L, R;#include <bits/stdc++.h>
      |                                 ^~~~
      |                                 std
a.cc:6:1: error: expected primary-expression before 'using'
    6 | using namespace std;
      | ^~~~~
a.cc:8:19: error: declaration does not declare anything [-fpermissive]
    8 | typedef long long int;
      |                   ^~~
a.cc:10:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   10 | int main(){
      |         ^~
a.cc:10:9: note: remove parentheses to default-initialize a variable
   10 | int main(){
      |         ^~
      |         --
a.cc:10:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:10:11: error: a function-definition is not allowed here before '{' token
   10 | int main(){
      |           ^
Language: C++

#include<stdio.h>
int main()
{
  long long l,r;
  cin>>l>>r;
  long long x,y;
  x=l%2019;
  y=r%2019;
  if(r-l+1>2019)
  {
    long long ans=1000000000;
    for(int i=0;i<2018;i++)
    {
      ans=min(i*(i+1),ans);
    }
    cout<<ans;
  }
  else
  {
    long long ans=1000000000;
    for(int i=x;i<y;i++) ans=min(i*(i+1),ans);
    cout<<ans;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin>>l>>r;
      |   ^~~
a.cc:14:11: error: 'min' was not declared in this scope; did you mean 'main'?
   14 |       ans=min(i*(i+1),ans);
      |           ^~~
      |           main
a.cc:16:5: error: 'cout' was not declared in this scope
   16 |     cout<<ans;
      |     ^~~~
a.cc:21:30: error: 'min' was not declared in this scope; did you mean 'main'?
   21 |     for(int i=x;i<y;i++) ans=min(i*(i+1),ans);
      |                              ^~~
      |                              main
a.cc:22:5: error: 'cout' was not declared in this scope
   22 |     cout<<ans;
      |     ^~~~
Language: C++

#include<iostream>
#include<cmath>
using namespace std;
#define rep(i,a,b) for(int i = (a); i <= (b); i++)

int main(){
  long long L,R,res=2020;
  cin >> L >> R;
  if(R-L > 2019) R = L+2019;
  rep(i,L,R){
    long long i_res = i%2019;
    rep(j,i+1,R){
      long long j_res = j%2019;
      //res = min((i_res*j_res)%2019,res);
      res = min((i*j)%2019,res)
    }
  }
  cout<<res<<endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: no matching function for call to 'min(int, long long int&)'
   15 |       res = min((i*j)%2019,res)
      |             ~~~^~~~~~~~~~~~~~~~
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:15:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   15 |       res = min((i*j)%2019,res)
      |             ~~~^~~~~~~~~~~~~~~~
/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++

#include<bits/stdc++.h>
#include<math.h>
#include<limits.h>
#define int long long
using namespace std;
int main(){
  int L,R;
  int m=LONG_MAX;
  cin >> L >> R;
  for(int i=L;i<R;i++){
    for(int j=i+1;j<=R;j++){
      int tmp=(i*j)%2019;
      m=min(m,tmp);
      if(m==0){
        cout << m << endl;
        return 0;
      }
    }
  }
  cout << m << endl;
}



Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include<bits/stdc++.h>
#include<math.h>
#include<limits.h>
using namespace std;
int main(){
  unsigned int L,R;
  unsigned long m=LONG_MAX;
  cin >> L >> R;
  for(int i=L;i<R;i++){
    for(int j=i+1;j<=R;j++){
      int tmp=(i*j)%2019;
      m=min(m,tmp);
      if(m==0){
        cout << m << endl;
        return 0;
      }
    }
  }
  cout << m << endl;
}



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

#include<stdio.h>

int main(){
  int L,R,i,j,min,temp;
  
  scanf("%d %d",&L,&R);
  
  L=L%2019;
  R=R%2019;
  min=2018;
  
  for(i=L; i<R; i++){
  	for(j=i+1; j<=R; j++){
      temp=(i*j)%2019;
      if(min=>temp){min=temp;}
    }  
  }
  
  printf("%d\n",min);
  
  return(0);
}


Compiler output:
main.c: In function 'main':
main.c:15:14: error: expected expression before '>' token
   15 |       if(min=>temp){min=temp;}
      |              ^
Language: C

#include<stdio.h>

int main(){
  int L,R,i,j,min,temp;
  
  scanf("%d %d",&L,&R);
  
  min=2018;
  
  for(i=L; i<R; i++){
  	for(j=i+1; j<=R; j++){
      temp=(i*j)%2019;
      if(min<temp){min=temp;}
    }  
  }
  
  printf("%d\n",min);
  
  retunr(0);
}


Compiler output:
main.c: In function 'main':
main.c:19:3: error: implicit declaration of function 'retunr' [-Wimplicit-function-declaration]
   19 |   retunr(0);
      |   ^~~~~~
Language: C

#include<stdio.h>

int main(){
  int L,R,i,j,min,temp;
  
  scanf("%d %d",&L,&R);
  
  min=2018;
  
  for(i=L; i<R; i++){
  	for(j=i+1; j<=R; j++){
      temp=(i*j)%2019
      if(min<temp){min=temp;}
    }  
  }
  
  printf("%d\n",min);
  
  retunr(0);
}


Compiler output:
main.c: In function 'main':
main.c:12:22: error: expected ';' before 'if'
   12 |       temp=(i*j)%2019
      |                      ^
      |                      ;
   13 |       if(min<temp){min=temp;}
      |       ~~              
main.c:19:3: error: implicit declaration of function 'retunr' [-Wimplicit-function-declaration]
   19 |   retunr(0);
      |   ^~~~~~
Language: C++

#include <stdio.h>

typedef long long LLONG;

int main(void) {
  LLONG L, R;
  scanf(" %lld %lld", &L, &R);
  
  LLONG min = 2020;
  
  LLONG endNum = std::min(R, L + 2019);
  for(LLONG l = L; l < endNum; l++) {
    LLONG ans = 0;
    for(LLONG r = l + 1; r <= endNum; r++) {
    	ans = (l * r) % 2019;
      	min = std::min(min, ans);
    }
  }
  
  printf("%lld\n", min);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: 'min' is not a member of 'std'
   11 |   LLONG endNum = std::min(R, L + 2019);
      |                       ^~~
a.cc:16:20: error: 'min' is not a member of 'std'
   16 |         min = std::min(min, ans);
      |                    ^~~
Language: C++

#include <stdio.h>

typedef long long LLONG;

int main(void) {
  LLONG L, R;
  scanf(" %lld %lld", &L, &R);
  
  LLONG min = 2020;
  for(LLONG l = L; l < 2020; l++) {
    LLONG ans = 0;
    for(LLONG r = L + 1; r < 2020; r++) {
    	ans = (l * r) % 2019;
      	if(min > ans) {
          min = ans;
        }
    }
  }
  
  printf("%lld\n", ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:20: error: 'ans' was not declared in this scope
   20 |   printf("%lld\n", ans);
      |                    ^~~
Language: C++

#include<bits/stdc++.h>
#define REP(i,n) for(int (i)=0 ;(i)<(n);(i)++)
#define REPR(i,n) for(int (i)=(n);(i)>=0;(i)--)
#define FOR(i,m,n) for(int (i)=(m);(i)<(n);(i)++)
#define ALL(x) x.begin(),x.end()
#define REVERSE(x) reverse(x.begin(),x.end())
#define SORT(x,n) sort(x,x)
#define P pair<int,int>
typedef long long LL;
const int INF=1000000007;
using namespace std;
int gcd(int a,int b){
  if(a%b==0){return b;}
  else{return gcd(b,a%b);}
}

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


Compiler output:
a.cc: In function 'int main()':
a.cc:27:20: error: no matching function for call to 'min(LL&, int)'
   27 |             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:27:20: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   27 |             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:27:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   27 |             ans=min(ans,(i*j)%2019);
      |                 ~~~^~~~~~~~~~~~~~~~
Language: C

#include <stdio.h>

int main(void)
{
    int l, r, i, j;
    int min = 2019;

    scanf("%d %d", &l, &r);

    for(i = l; i < r; i++){
        for(j = i + 1; j <= r; j++){
            if(i * j % 2019 < min){
                min = i * j % 2019;
            }
            if(min == 0){
                break;
            }
        }
    }

    printf("%d\n", min);
  	return 0
}

Compiler output:
main.c: In function 'main':
main.c:22:17: error: expected ';' before '}' token
   22 |         return 0
      |                 ^
      |                 ;
   23 | }
      | ~
Language: C++

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

using namespace std;

int main(void) {
	int L,R;
	cin >> L >> R;
	const int LIM = 2019;
	int count = 0;
	int res = (1 << 28);
	for (long long i = L; res != 0 && count < LIM*LIM && i < R; ++i) {
		for (long long j = i+1; res != 0 && count < LIM*LIM && j < R+1; ++j) {
			res = min((i*j)%LIM,res);
			++count;
		}
	}
	cout << res << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:34: error: no matching function for call to 'min(long long int, int&)'
   15 |                         res = min((i*j)%LIM,res);
      |                               ~~~^~~~~~~~~~~~~~~
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:15:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   15 |                         res = min((i*j)%LIM,res);
      |                               ~~~^~~~~~~~~~~~~~~
/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: Java

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

public class problemC {

    public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        try {
            String str = br.readLine();
            String input[] = str.split(" ");
            int L = Integer.valueOf(input[0]);
            int R = Integer.valueOf(input[1]);

            if(L > R) {
                System.out.println(0);
                System.exit(1);
            }

            int result = 2018;
            for(int i = L; i<R; i++) {
              if(i % 2019 == 0){
                result = 0;
                break;
              }
                for(int j = i+1; j<=R; j++) {
                    int N = i*j;
                    if( N%2019 < result ) {
                        result = N%2019;
                    }
                }
            }
            System.out.println(result);


        }catch(IOException e) {

        }
    }

}

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

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

int main()
{
    int l,r,c,i,m=1000;
    cin>>l>>r;
    for(i=l;i<=r;i++)
    {
    c=(i*(i+1))%2019);

    if(c<m)
        m=c;

    }
    cout<<m<<endl;


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: expected ';' before ')' token
   10 |     c=(i*(i+1))%2019);
      |                     ^
      |                     ;
Language: C++

//  Created by liszt on 2019/07/21.
#include<bits/stdc++.h>
using namespace std;

int main(){
    long long l,r,r1,res=INT_MAX; cin>>l >>r;
    r1=min(r,l+2019);
    
    for(int i=l;i<r1;i++){
        for(int j=i+1;j<=r1;j++){
            res=min(res,i*j%2019);
        }
    }
    cout<<res<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: no matching function for call to 'min(long long int&, int)'
   11 |             res=min(res,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:2:
/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:11:20: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   11 |             res=min(res,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:11:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   11 |             res=min(res,i*j%2019);
      |                 ~~~^~~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<iomanip>
#include<math.h>
#include<complex>
#include<queue>
#include<deque>
#include<stack>
#include<map>
#include<set>
#include<bitset>
#include<functional>
#include<assert.h>
#include<numeric>
#include<stdio.h>
using namespace std;

//繰り返し
#define REP(i, m, n) for(int i=(int)m; i<(int)n; ++i)
#define rep(i, n) REP(i, 0, n)
#define RREP(i, m, n) for(int i=(int)m; i>=(int)n; --i)
#define rrep(i, m) RREP(i, m, 0)

//簡略化
typedef long long ll;
typedef pair<int, int> pint;
typedef pair<ll, ll> P;

//定義
const int INF = 1e9+7;
const ll LINF = 1e18;
const ll MOD = 1e9+7;

//最大最小
template<typename T1, typename T2> inline void chmin(T1 &a, T2 &b) {if(a>b) a=b;}
template<typename T1, typename T2> inline void chmax(T1 &a, T2 &b) {if(a<b) a=b;}

//GCD&LCM
ll gcd(ll x, ll y) {
  if(y==0) return x;
  else return gcd(y, x%y);
}

ll lcm(ll x, ll y) {
  return (x*y)/gcd(x, y);
}

//-----------------------

int main() {

  ll l,r, min = 2019, cnt = 0;
  cin >> l >> r;

  if(r-l>=2019) {
    cout <<< 0 << endl;
    return 0;
  }

  for(ll i=l; i<=r; ++i) {
    for(ll j=i+1; j<=r; ++j) {
      chmin(min, i*j%2019);
    }
  }

  cout << min << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:58:12: error: expected primary-expression before '<' token
   58 |     cout <<< 0 << endl;
      |            ^
a.cc:58:16: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   58 |     cout <<< 0 << endl;
      |              ~~^~~~~~~
a.cc:64:21: error: cannot bind non-const lvalue reference of type 'long long int&' to an rvalue of type 'll' {aka 'long long int'}
   64 |       chmin(min, i*j%2019);
      |                  ~~~^~~~~
a.cc:37:65: note:   initializing argument 2 of 'void chmin(T1&, T2&) [with T1 = long long int; T2 = long long int]'
   37 | template<typename T1, typename T2> inline void chmin(T1 &a, T2 &b) {if(a>b) a=b;}
      |                                                             ~~~~^
Language: C++

#include<iostream>
using namespace std;
int main(void){
    int l;
    int r;
    cin >> l;
    cin >> r;
    l=l%2019;
    r=r%2019;
    if(l<r){
        cout << l*(l+1)&2019;
    }else{
        if(r%2019){
            cout << 1;
        }else{
            cout << 0;
        }
    }
    
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:24: error: no match for 'operator&' (operand types are 'std::basic_ostream<char>' and 'int')
   11 |         cout << l*(l+1)&2019;
      |         ~~~~~~~~~~~~~~~^~~~~
      |              |          |
      |              |          int
      |              std::basic_ostream<char>
a.cc:11:24: note: candidate: 'operator&(int, int)' (built-in)
   11 |         cout << l*(l+1)&2019;
      |         ~~~~~~~~~~~~~~~^~~~~
a.cc:11:24: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int'
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
                 from /usr/include/c++/14/string:68,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/cstddef:141:3: note: candidate: 'constexpr std::byte std::operator&(byte, byte)'
  141 |   operator&(byte __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/14/cstddef:141:18: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::byte'
  141 |   operator&(byte __l, byte __r) noexcept
      |             ~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:84:3: note: candidate: 'constexpr std::_Ios_Fmtflags std::operator&(_Ios_Fmtflags, _Ios_Fmtflags)'
   84 |   operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:84:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Fmtflags'
   84 |   operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:134:3: note: candidate: 'constexpr std::_Ios_Openmode std::operator&(_Ios_Openmode, _Ios_Openmode)'
  134 |   operator&(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:134:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Openmode'
  134 |   operator&(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:181:3: note: candidate: 'constexpr std::_Ios_Iostate std::operator&(_Ios_Iostate, _Ios_Iostate)'
  181 |   operator&(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:181:26: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Iostate'
  181 |   operator&(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~^~~
Language: C++

#include <iostream>

int main(int argc, char *argv[]){
    unsigned int L,R;
    std::cin >> L >> R;

    unsigned int i,j;
    unsigned int divisor = 2019
    unsigned int mod_new, mod_old;
    for(i=L; i<R; ++i){
        mod_new = i%divisor;
        for(j=R; j>i; --j){
                mod_new *= j%divisor;
                mod_new %= divisor;
                if((i==L && j==R) || mod_old>mod_new){
                    mod_old = mod_new;
                }
        }
    }

    std::cout << mod_old << std::endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:9:5: error: expected ',' or ';' before 'unsigned'
    9 |     unsigned int mod_new, mod_old;
      |     ^~~~~~~~
a.cc:11:9: error: 'mod_new' was not declared in this scope
   11 |         mod_new = i%divisor;
      |         ^~~~~~~
a.cc:15:38: error: 'mod_old' was not declared in this scope
   15 |                 if((i==L && j==R) || mod_old>mod_new){
      |                                      ^~~~~~~
a.cc:21:18: error: 'mod_old' was not declared in this scope
   21 |     std::cout << mod_old << std::endl;
      |                  ^~~~~~~