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

#include <bits/stdc++.h>
using namespace std;
int main()
{
  long long l, r; cin >> l >> r;
  if (r - l + 1 >= 673)
  {
    cout << 0 << endl;
    return 0;
  }
  long long ans = 2020;
  for (int i = l; i < r; i++)
  {
    for (int j = i + 1; j <= r; j++)
    {
      ans = min(ans, ((i % 2019) * (j % 2019)) % 2019));
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: no matching function for call to 'min(long long int&, int)'
   16 |       ans = min(ans, ((i % 2019) * (j % 2019)) % 2019));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:16:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   16 |       ans = min(ans, ((i % 2019) * (j % 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:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:16:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   16 |       ans = min(ans, ((i % 2019) * (j % 2019)) % 2019));
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
  long long l, r; cin >> l >> r;
  if (r - l + 1 >= 673)
  {
    cout << 0 << endl;
    return 0;
  }
  long long ans = 2020;
  for (int i = l; i < r; i++)
  {
    for (int j = i + 1; j <= r; j++)
    {
      ans = min(ans, ((i % 2019) * (j % 2019)) % 2019);
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: no matching function for call to 'min(long long int&, int)'
   16 |       ans = min(ans, ((i % 2019) * (j % 2019)) % 2019);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:16:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   16 |       ans = min(ans, ((i % 2019) * (j % 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:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:16:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   16 |       ans = min(ans, ((i % 2019) * (j % 2019)) % 2019);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
  long long l, r; cin >> l >> r;
  if (r - l + 1 >= 673)
  {
    cout << 0 << endl;
    return 0;
  }
  ans = 2020;
  for (int i = l; i < r; i++)
  {
    for (int j = i + 1; j <= r; j++)
    {
      ans = min(ans, ((i % 2019) * (j % 2019)) % 2019);
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
   11 |   ans = 2020;
      |   ^~~
      |   abs
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define rep(i,n) repl(i,0,n)
#define each(itr,v) for(auto itr:v)
#define pb(s) push_back(s)
#define maxch(x,y) x=max(x,y)
#define minch(x,y) x=min(x,y)
#define mp(a,b) make_pair(a,b)
#define all(x) (x).begin(),(x).end()
#define dbg(x) cout<<#x"="<<x<<endl
#define maxch(x,y) x=max(x,y)
#define minch(x,y) x=min(x,y)
#define uni(x) x.erase(unique(all(x)),x.end())
template<class T,class U>inline void chmin(T &t,U f){if(t>f)t=f;}
template<class T,class U>inline void chmax(T &t,U f){if(t<f)t=f;}
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) > (b) ? (b) : (a))

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> P;
typedef pair<P, int> PPI;

#define INF INT_MAX/3
#define MAX_N 1000
#define MOD 2019
ll L,R;
void solve(){
  cin>>L>>R;
  cin.tie(0);
  ios::sync_with_stdio(false);
  // if(R- L >= 2018) cout<<0<<endl;
  // else
    if(R-L)  R = L+2020
    ll ans =2000000001;
    repl(i,L,R) repl(j,i+1,R+1) ans = MIN(ans,(i*j)%MOD);
    cout<<ans<<endl;
  // }
}

int main(){
  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:37:24: error: expected ';' before 'll'
   37 |     if(R-L)  R = L+2020
      |                        ^
      |                        ;
   38 |     ll ans =2000000001;
      |     ~~                  
a.cc:39:33: error: 'ans' was not declared in this scope; did you mean 'abs'?
   39 |     repl(i,L,R) repl(j,i+1,R+1) ans = MIN(ans,(i*j)%MOD);
      |                                 ^~~
      |                                 abs
a.cc:40:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   40 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C++

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

int main(){
  int L, R;
  cin >> L >> R;
  int A = L % 2019;
  int a = L / 2019;
  int B = R - (2019*a);
  int min = 2019*2019;
  if(2019 - A <= B - A){
    min = 0;
    cout << min << endl;
  } else {
    int count = 0;
    for(int i = A; i < B; i++){
      if(min > i*(i+1)){
      min = i*(i+1);
      }
      if(i = 673 || i = 672 || i = 675){
        count ++;
      }
    }
    if(count > 1){
      min = 0;
    }
    cout << min << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:29: error: lvalue required as left operand of assignment
   20 |       if(i = 673 || i = 672 || i = 675){
      |                         ~~~~^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
        long long l, r;
        cin >> l >> r;
        if(r-l>2019) r = l+2020;
        long long ans = 2000000001;
        for(int i=l; i<r; i++){
                for(int j=i+1; j<=r; j++){
                        ans = min(ans, i*j%2019);
                }
        }
        cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:34: error: no matching function for call to 'min(long long int&, int)'
   10 |                         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:10:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   10 |                         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:10:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   10 |                         ans = min(ans, i*j%2019);
      |                               ~~~^~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
#include<algorithm>
using namespace std;
int main(void){

    long long L, R;     cin >> L >> R;
    int ans = 2019;
    for(long long i = L ; i < R ; i++){
        for(long long j = i + 1 ; j <= R ; j++){
          
            if((i * j) % 2019 == 0){
                ans = 0;    break;
            }
    
          ans = min((i * j) % 2019,ans);
         }
        
        if(ans == 0)    break;
    }

    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:20: error: no matching function for call to 'min(long long int, int&)'
   15 |           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:15:20: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   15 |           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:15:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   15 |           ans = min((i * j) % 2019,ans);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~
Language: C

#include<stdio.h>


int main(){
   int i,j;
   int R,L;
   int mod;
  int min_mod = 2018;

  scanf("%d %d", &L, &R);
   
  for(i=L; i<R; i++){
    for(j=i+1; j<=R; j++){
       mod = ((i%2019)*(j%2019)) %2019;
       if(mod < min_mod)
        min_mod = mod;
        if(min_mod == 0){
          printf("%d\n", min_mod);
          return 0;
        }
      }
    }
  }

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

 return 0;
 
   
}

Compiler output:
main.c:25:9: error: expected declaration specifiers or '...' before string constant
   25 |  printf("%d\n",min_mod);
      |         ^~~~~~
main.c:25:16: error: unknown type name 'min_mod'
   25 |  printf("%d\n",min_mod);
      |                ^~~~~~~
main.c:27:2: error: expected identifier or '(' before 'return'
   27 |  return 0;
      |  ^~~~~~
main.c:30:1: error: expected identifier or '(' before '}' token
   30 | }
      | ^
Language: C

#include<stdio.h>


int main(){
   int i,j;
   int R,L;
   int mod;
  int min_mod = 2018;

  scanf("%d %d", &L, &R);
   
  for(i=L; i<R; i++){
    for(j=i+1; j<=R; j++){
       mod = ((i%2019)*(j%2019)) %2019;
       if(mod < min_mod)
        min_mod = tmp;
        if(min == 0){
          printf("%d\n", min_mod);
          return 0;
        }
      }
    }
  }

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

 return 0;
 
   
}

Compiler output:
main.c: In function 'main':
main.c:16:19: error: 'tmp' undeclared (first use in this function)
   16 |         min_mod = tmp;
      |                   ^~~
main.c:16:19: note: each undeclared identifier is reported only once for each function it appears in
main.c:17:12: error: 'min' undeclared (first use in this function); did you mean 'main'?
   17 |         if(min == 0){
      |            ^~~
      |            main
main.c: At top level:
main.c:25:9: error: expected declaration specifiers or '...' before string constant
   25 |  printf("%d\n",min_mod);
      |         ^~~~~~
main.c:25:16: error: unknown type name 'min_mod'
   25 |  printf("%d\n",min_mod);
      |                ^~~~~~~
main.c:27:2: error: expected identifier or '(' before 'return'
   27 |  return 0;
      |  ^~~~~~
main.c:30:1: error: expected identifier or '(' before '}' token
   30 | }
      | ^
Language: C

#include<stdio.h>


int main(){
   int i,j;
   int R,L;
   int mod;
  int min_mod = 2018;

  scanf("%ld %ld", &L, &R);
   
  for(i=L; i<R; i++){
    for(j=i+1; j<=R; j++){
       mod = ((i%2019)*(j%2019) %2019;
       if(mod < min_mod)
        min_mod = tmp;
        if(min == 0){
          printf("%d\n", min_mod);
          return 0;
        }
      }
    }
  }

 printf("%ld\n",min_mod);

 return 0;
 
   
}

Compiler output:
main.c: In function 'main':
main.c:14:38: error: expected ')' before ';' token
   14 |        mod = ((i%2019)*(j%2019) %2019;
      |              ~                       ^
      |                                      )
main.c:20:10: error: expected ';' before '}' token
   20 |         }
      |          ^
      |          ;
   21 |       }
      |       ~   
main.c: At top level:
main.c:25:9: error: expected declaration specifiers or '...' before string constant
   25 |  printf("%ld\n",min_mod);
      |         ^~~~~~~
main.c:25:17: error: unknown type name 'min_mod'
   25 |  printf("%ld\n",min_mod);
      |                 ^~~~~~~
main.c:27:2: error: expected identifier or '(' before 'return'
   27 |  return 0;
      |  ^~~~~~
main.c:30:1: error: expected identifier or '(' before '}' token
   30 | }
      | ^
Language: C++

#include<bits/stdc++.h>

using namespace std;

#define ok1 printf("ok1\n");
#define ok2 printf("ok2\n");
#define M 1000000000000000000LL
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,s,n) for(int i=(s);i<(n);i++)
#define repr(i,n) for(int i=n-1;i>=0;i--)
#define REPR(i,s,n) for(int i=(s);i>=(n);i--)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define pb push_back
#define pf push_front
#define MIN(a,b) a=min((a),(b))
#define MAX(a,b) a=max((a),(b))
#define SIZE(v) (int)v.size()
#define Eunique(v) v.erace(unique(all(v)),v.end())
#define pvec(v)　rep(i,v.size()){cout << v[i] << " ";}
#define INF 0x3f3f3f3f
#define mset(m,v) memset(m,v,sezeof(m))
#define mod (ll)(1e9 +7);

const double pi = acos(-1.0);

typedef vector<int> vi;
typedef string ss;
typedef vector<string> vs;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef deque<ll> dll;
typedef pair<ll,ll> P;
ll dx[4] = {1,0,-1,0},dy[4] = {0,1,0,-1};

ll gcd(ll x,ll y)
{
    ll r;
    while((r = x % y) != 0)
    {
        x = y;
        y = r;
    }
    return y;
}

ll lcm(ll a,ll b){
    ll g = gcd(a,b);
    return a / g * b; // Be careful not to overflow
}

int main()
{
    ll l,r;
    cin >> l >> r;

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

    ll ans = 2019;
    REP(i,l,r){
        REP(j,i+1,r+1){
            if(i*j % 2019 < ans)ans = i*j % 2019;
            if(ans == 0)break;
        }
        if(ans == 0)break;
    }

    cout << ans << endl;

    cout << 

    return 0;
}

Compiler output:
a.cc:20:16: error: extended character 　 is not valid in an identifier
   20 | #define pvec(v)　rep(i,v.size()){cout << v[i] << " ";}
      |                ^
a.cc: In function 'int main()':
a.cc:77:5: error: expected primary-expression before 'return'
   77 |     return 0;
      |     ^~~~~~
Language: C++

#include<bits/stdc++.h>

using namespace std;

#define ok1 printf("ok1\n");
#define ok2 printf("ok2\n");
#define M 1000000000000000000LL
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,s,n) for(int i=(s);i<(n);i++)
#define repr(i,n) for(int i=n-1;i>=0;i--)
#define REPR(i,s,n) for(int i=(s);i>=(n);i--)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define pb push_back
#define pf push_front
#define MIN(a,b) a=min((a),(b))
#define MAX(a,b) a=max((a),(b))
#define SIZE(v) (int)v.size()
#define Eunique(v) v.erace(unique(all(v)),v.end())
#define pvec(v)　rep(i,v.size()){cout << v[i] << " ";}
#define INF 0x3f3f3f3f
#define mset(m,v) memset(m,v,sezeof(m))
#define mod (ll)(1e9 +7);

const double pi = acos(-1.0);

typedef vector<int> vi;
typedef string ss;
typedef vector<string> vs;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef deque<ll> dll;
typedef pair<ll,ll> P;
ll dx[4] = {1,0,-1,0},dy[4] = {0,1,0,-1};

ll gcd(ll x,ll y)
{
    ll r;
    while((r = x % y) != 0)
    {
        x = y;
        y = r;
    }
    return y;
}

ll lcm(ll a,ll b){
    ll g = gcd(a,b);
    return a / g * b; // Be careful not to overflow
}

int main()
{
    ll l,r;
    cin >> l >> r;

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

    ll ans = 2019;
    REP(i,l,r+1){
        REP(j,i+1,r+1){
            if(i*j % 2019 < ans)ans = i*j % 2019;
            if(ans == 0)break;
        }
        if(ans == 0)break;
    }

    cout << ans << endl;

    cout << 

    return 0;
}

Compiler output:
a.cc:20:16: error: extended character 　 is not valid in an identifier
   20 | #define pvec(v)　rep(i,v.size()){cout << v[i] << " ";}
      |                ^
a.cc: In function 'int main()':
a.cc:77:5: error: expected primary-expression before 'return'
   77 |     return 0;
      |     ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define MOD 2019
int main()
{
  ll l,r;
  int ans=2019;

  cin>>l>>r; 
  for(ll i=l;i<=r;i++){
    for(ll j=i+1;j<=r;j++){
      ans=min(ans,i*j%MOD);
      if(ans==0) break;
    }
    if(ans==0) break;
  }
  
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: no matching function for call to 'min(int&, long long int)'
   13 |       ans=min(ans,i*j%MOD);
      |           ~~~^~~~~~~~~~~~~
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:13:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   13 |       ans=min(ans,i*j%MOD);
      |           ~~~^~~~~~~~~~~~~
/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:13:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   13 |       ans=min(ans,i*j%MOD);
      |           ~~~^~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int MOD = 2019;
int main()
{
  ll l,r;
  int ans=2019;

  cin>>l>>r; 
  for(ll i=l;i<=r;i++){
    for(ll j=i+1;j<=r;j++){
      ans=min(ans,i*j%MOD);
      if(ans==0) break;
    }
    if(ans==0) break;
  }
  
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: no matching function for call to 'min(int&, long long int)'
   13 |       ans=min(ans,i*j%MOD);
      |           ~~~^~~~~~~~~~~~~
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:13:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   13 |       ans=min(ans,i*j%MOD);
      |           ~~~^~~~~~~~~~~~~
/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:13:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   13 |       ans=min(ans,i*j%MOD);
      |           ~~~^~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
#include<math.h>
using namespace std;
int main(){
    int a,b;
    cin>>a>>b;
    else{
        int m=100000;
        for(int i=a;i<=b-1;i++){
            for(int j=a+1;j<=b;j++)
            if((j*i)%2019<m) m=(j*i)%2019;
        }
    cout<<m<<endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'else' without a previous 'if'
    7 |     else{
      |     ^~~~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:24:47: error: no matching function for call to 'min(int&, long long int&)'
   24 |                                 else ans = min(ans, 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:24:47: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   24 |                                 else ans = min(ans, 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:24:47: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   24 |                                 else ans = min(ans, x);
      |                                            ~~~^~~~~~~~
Language: C++

#include <bits/stdc++.h>

#define rep(i, s, n) for(int i = s; i < n; ++i)
#define rrep(i, n) for(int i = n - 1; i > -1; --i)
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
using namespace std;
const long long INF = 1000000000;
const int MOD = 1000000007;
typedef long long ll;
typedef pair<int, int> P;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:24:43: error: expected ')' before ';' token
   24 |                 tmp = min(tmp, (i * j) % n;
      |                          ~                ^
      |                                           )
Language: C++

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

int main(){
    int l,r,n;
    cin >> l,r;
    n =  r - l + 1;
    if(n >= 2019){
        cout << 0 << endl;
        return;
    }
    int A[2019];
    A[0] = l % 2019;
    for(int i = 1;i < n;i++){
        A[i] = A[i - 1] + 1;
    }
    int minv = 2020;
    for(int i = 0;i < n;i++){
        for(int j = i + 1;j < n;j++){
            minv = min(minv,A[i] * A[j] % 2019);
        }
    }

    cout << minv << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   11 |         return;
      |         ^~~~~~
Language: C++

#include <iostream>
using namespace std;

main(){
	long long l,r,ans;
	ans = 2020;
	cin>>l>>r;
	if(r - l > 2017){
		cout<<0<<endl;
		return 0;
	}
	for(int i=l;i<r;i++)
		for(int j=i+1;j<=r;j++)
			ans = min(ans,(i*j)%2019);
			
	cout<<ans<<endl;
}

Compiler output:
a.cc:4:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    4 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:14:34: error: no matching function for call to 'min(long long int&, int)'
   14 |                         ans = min(ans,(i*j)%2019);
      |                               ~~~^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:14:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   14 |                         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
Language: C++

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

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

	R = min(R, R % 2019);
	L = min(L, L % 2019);

	long long int m = 10000000000000000;
	for (int i = L; i <= R-1 ; ++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:13:32: error: no matching function for call to 'min(long long int&, int)'
   13 |                         m = min(m, (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:13:32: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   13 |                         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
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:13:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   13 |                         m = min(m, (i*j) % 2019);
      |                             ~~~^~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
    long long L, R; cin >> L >> R;
    if (R - L > 3000) cout << 0 << endl;
    else {
        long long res = 2018;
        for (long long i = L; i < R; ++i)
            for (long long j = i+1; j <= R; ++j)
                res = min(res, (i * j) % 2019);
        cout << res << endl;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:13:6: error: expected '}' at end of input
   13 |     }
      |      ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

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

    int mod = 2019;

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

    int ans = mod;
    for (int i = l; i < r; i++) {
        for (int j = i+1; j <= r; j++) {
            ans = min(ans, 1LL * i * j * mod);
        }
    }
    cout << ans << endl;
    return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:18:22: error: no matching function for call to 'min(int&, long long int)'
   18 |             ans = min(ans, 1LL * i * j * mod);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~
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:18:22: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   18 |             ans = min(ans, 1LL * i * j * mod);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~
/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:18:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   18 |             ans = min(ans, 1LL * i * j * mod);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long int ll;
#define MOD 2019

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

  ll ans = 2999999999;
  for (int i=L; i < R; i++) {
    for (int j=L+1; j <= R; j++) {
      ll tmp = ((i % MOD) * (j % MOD)) % MOD;
      ans = min(ans, tmp);
      if (ans == 0) goto EXIT_MULTI_LOOP;
    }
  }
  EXIT_MULTI_LOOP;
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:3: error: 'EXIT_MULTI_LOOP' was not declared in this scope
   20 |   EXIT_MULTI_LOOP;
      |   ^~~~~~~~~~~~~~~
a.cc:17:26: error: label 'EXIT_MULTI_LOOP' used but not defined
   17 |       if (ans == 0) goto EXIT_MULTI_LOOP;
      |                          ^~~~~~~~~~~~~~~
Language: Java

import java.util.Scanner;

public class BC133_C {
    //
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int l = sc.nextInt(), r = sc.nextInt();
        System.out.println(sln(l, r));
        sc.close();
    }

    static int sln(int l, int r) {
        if (r - l >= 2019) return 0;
        int res = 2019;
        for (int i = l; i < r; i++) {
            for (int j = i + 1; j <= r; j++) {
                int mod = ((j % 2019) * (i % 2019)) % 2019;
                res = Math.min(res, mod);
            }
        }
        return res;
    }
}


Compiler output:
Main.java:3: error: class BC133_C is public, should be declared in a file named BC133_C.java
public class BC133_C {
       ^
1 error
Language: C++

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

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

    int mod = 2019;

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

    long long ans = mod;
    for (int i = l; i < r; i++) {
        for (int j = i+1; j <= r; j++) {
            ans = min(ans, (i % mod * j % mod) % mod);
        }
    }
    cout << ans << endl;
}
    return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:18:22: error: no matching function for call to 'min(long long int&, int)'
   18 |             ans = min(ans, (i % mod * j % mod) % mod);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:18:22: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   18 |             ans = min(ans, (i % mod * j % mod) % mod);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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:18:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   18 |             ans = min(ans, (i % mod * j % mod) % mod);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc: At global scope:
a.cc:23:5: error: expected unqualified-id before 'return'
   23 |     return 0;
      |     ^~~~~~
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: C++

#include <bits/stdc++.h>

#define rep(i, s, n) for(int i = s; i < n; ++i)
#define rrep(i, n) for(int i = n - 1; i > -1; --i)
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
using namespace std;
const long long INF = 1000000000;
const int MOD = 1000000007;
typedef long long ll;
typedef pair<int, int> P;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:23:22: error: no matching function for call to 'min(ll&, int)'
   23 |             tmp = min(tmp, (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:23:22: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   23 |             tmp = min(tmp, (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:23:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   23 |             tmp = min(tmp, (i*j) % 2019);
      |                   ~~~^~~~~~~~~~~~~~~~~~~
Language: C

#include<stdio.h>

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

Compiler output:
main.c: In function 'main':
main.c:11:43: error: expected ';' before 'if'
   11 |       cal = (i % 2019) * (j % 2019) % 2019
      |                                           ^
      |                                           ;
   12 |       if(cal < min){
      |       ~~
Language: C++

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

int main() {
    int L, R; cin >> L >> R;
    if (R - L > 2019) {
        cout << 0 << endl;
        return 0;
    }
    int ans = 2019;
    for (int i = L; i < R; i++) for (int j = i + 1; j <= R; i++) {
        ans = min(ans, 1LL * i * j % 2019);
    }
    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(ans, 1LL * i * j % 2019);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 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(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:14:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   14 |         ans = min(ans, 1LL * i * j % 2019);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	long long l,r;
	cin>>l>>r;
	l%=2019;
	r%=2019;
	if(r<l) r+=2019;
	int i,j,minv=3000;
	for(i=l;i<r;i++){
		for(j=i+1;j<=r;j++){
			minv=min(minv,i*j%2019);
		}
	}
	cout<<minv;
	
	return 0;
}
}

Compiler output:
a.cc:19:1: error: expected declaration before '}' token
   19 | }
      | ^