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

#include <bits/stdc++.h>
#define rep(i,N) for (int i = 0; i < (N); ++i)
#define all(v) v.begin(), v.end()
using namespace std;
using ll = long long;
using P = pair<int, int>;
const int inf{int(1e9)};
int main(void){
  ll L, R;
  cin >> L >> R;
  /*
  ll sa = R - L;
  L %= 2019;
  R %= 2019;
  if (L == 0 || L == 2018) cout << 0 << endl;
  else if (sa < 2019 - L) cout << (L * (L + 1)) % 2019 << endl;
  else cout << 0 << endl;
  */
  int ans = 2018;
  r = min(R, L + 4038);
  for (ll i = 1; i <= R; i++){
    for (ll j = i + 1; j <= R; j++){
      int x = i*j%2019;
      ans = min(ans, x);
    }
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:3: error: 'r' was not declared in this scope
   20 |   r = min(R, L + 4038);
      |   ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,N) for (int i = 0; i < (N); ++i)
#define all(v) v.begin(), v.end()
using namespace std;
using ll = long long;
using P = pair<int, int>;
const int inf{int(1e9)};
int main(void){
  ll L, R;
  cin >> L >> R;
  /*
  ll sa = R - L;
  L %= 2019;
  R %= 2019;
  if (L == 0 || L == 2018) cout << 0 << endl;
  else if (sa < 2019 - L) cout << (L * (L + 1)) % 2019 << endl;
  else cout << 0 << endl;
  */
  int ans = 2018;
  r = min(r, l + 4038);
  for (ll i = 1; i <= r; i++){
    for (ll j = i + 1; j <= r; j++){
      int x = i*j%2019;
      ans = min(ans, x);
    }
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:3: error: 'r' was not declared in this scope
   20 |   r = min(r, l + 4038);
      |   ^
a.cc:20:14: error: 'l' was not declared in this scope
   20 |   r = min(r, l + 4038);
      |              ^
Language: C++

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

int main() {
	ios_base::sync_with_stdio(false);
    cin.tie(NULL);
   ll n,m;
    cin>>n>>m;
    ll dif=m-n;
    if(dif<2019)
    {
        ll l=INT_MAX;
        for(ll i=n;i<m;i++){
         {
        for(int j=i+1;j<=m;j++)
        {
            ll tmp= (i*j)%2019;
            l=min(tmp,l);
        }
        }
        cout<<l;
    }
    else{
        cout<<"0";
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:5: error: expected '}' before 'else'
   24 |     else{
      |     ^~~~
a.cc:12:5: note: to match this '{'
   12 |     {
      |     ^
Language: C++

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

int main() {
  const int mod=2019;
  int ans=2018;
  ll l,r; cin>>l>>r;
  l%=mod,r%=mod;
  if(l>=r) {
    cout<<0<<endl;
  } else {
    for(ll i=l;i<r;i++) {
      for(ll j=i+1;j<=r;j++) {
        ans=min(ans,i*j%mod);
      }
    }
  }
  cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: no matching function for call to 'min(int&, ll)'
   15 |         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:15:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   15 |         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:15:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   15 |         ans=min(ans,i*j%mod);
      |             ~~~^~~~~~~~~~~~~
Language: C++

#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define ll long long 
#define ld double 
#define rep(i,a,b) for(ll i=a; i<b; ++i)
#define BOOST std::ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define pb push_back
#define all(v) v.begin(),v.end()
#define sl(a) a.size()
#define mod 1000000007 
#define lcm(a,b) (a*b)/__gcd(a,b)
#define MAX1 100006
#define f first
#define s second
#define pi 2*acos(0.0)
void solve()
{
    ll l,r;  cin>>l>>r;
    if(r<2019)
    {
        ll ans=2019;
        rep(i,l,r)
        {
            rep(j,i+1,r+1) ans=min(ans,(i%2019*j%2019)%2019);
            cout<<ans;
        }
    }
    else if(l<=2019 and 2019<=r) cout<<"0";
    else if(l>2019) 
    {
        ll ans=2019;
        rep(i,l,r)
        {
            rep(j,i+1,r+1)
            {
                ans=min(ans,(i%2019*j%2019)%2019);
                if(ans==0) 
                {
                    cout<<ans;
                    return;
                }
            cout<<ans;
        }
    }
}
int main()
{
    #ifndef ONLINE_JUDGE
    // for getting input from input.txt
    freopen("input.txt","r",stdin);
    //for getting error from error.txt
    freopen("error.txt", "w", stderr);
    // for writing output to output.txt
    freopen("output.txt","w",stdout);
    #endif
    BOOST
    int T=1;  //cin>>T;
    while(T--) solve();
    cerr<<"Time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" secs"<<"\n";
    cerr<<"My CLOCKS_PER_SEC= "<<CLOCKS_PER_SEC<<"\n";
    return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:47:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   47 | int main()
      |         ^~
a.cc:47:9: note: remove parentheses to default-initialize a variable
   47 | int main()
      |         ^~
      |         --
a.cc:47:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:48:1: error: a function-definition is not allowed here before '{' token
   48 | {
      | ^
a.cc:63:2: error: expected '}' at end of input
   63 | }
      |  ^
a.cc:18:1: note: to match this '{'
   18 | {
      | ^
Language: C

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

int main()
{
  long long l,r,i,j;
  long long ans=2020;

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

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

  printf("%lld",min );

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:16:23: error: 'min' undeclared (first use in this function); did you mean 'main'?
   16 |       if((i*j)%2019 < min)
      |                       ^~~
      |                       main
main.c:16:23: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
typedef long long ll;
const ll M=1000000000;
//------------------------------------------//

int main(){
  int L,R;cin>>L>>R;
  int cnt=L;
  if(R-L+1>2019) cout<<0<<endl; 
  else if(L==R) cout<<L%2019<<endl;
  else{
    vector<int> A(R-L+1);
    rep(i,R-L+1){
      A[i]=cnt%2019;
      cnt++;    
    }
    int ans=M;
    rep(i,R-L+1){
      ans=min(ans,A[i]*A[i+1]);
    }
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:2: error: expected '}' at end of input
   24 | }
      |  ^
a.cc:8:11: note: to match this '{'
    8 | int main(){
      |           ^
Language: C++

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

int main(){
	int N,L,R,ans = 2020;
	cin >> L >> R;
	N = R-L;
	for(int i=L; i < L+min(2019,n); i++){
		for(int j=i+1; j <= min(R,i+2019); j++){
			ans = min(((i%2019)*(j%2019)) % 2019,ans);
		}
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:37: error: 'n' was not declared in this scope
    8 |         for(int i=L; i < L+min(2019,n); i++){
      |                                     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
    int L,R;
    cin >> L >> R;
    int ans = 2018;
    for(long long i = L; i < min(L+2019,R); i++) {
        for(long long j = i+1; j <= min(L+2019,R); j++) {
            ans = min(ans,i*j%2019);
        }
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:22: error: no matching function for call to 'min(int&, long long int)'
    9 |             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:9:22: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
    9 |             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:9:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    9 |             ans = min(ans,i*j%2019);
      |                   ~~~^~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long a=2019;
int main(){
  long long L,R; cin>>L>>R;
  L%=a; R%=a;
  if(L>=R)R+=a;
  long long ans=2000000;
  for(long long i=L;i<=R;i++){
    for(long long j=L;j<=R;j++){
      if(j==i)continue;
      ans=min(ans,(i*j)%a)
    }
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:27: error: expected ';' before '}' token
   12 |       ans=min(ans,(i*j)%a)
      |                           ^
      |                           ;
   13 |     }
      |     ~
Language: C++

#include<iostream>
using namespace std;

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

    int ml = l % 2019;
    int mr = r % 2019;

    int ans;
    if (r - l >= 2019) ans = 0
    if (mr <= ml) ans = 0;
    else { // ml < mr 
        ans = 2018;
        for (int i = ml; i < mr; i++) {
            for (int j = i+1; j <= mr; j++) {
                ans = min(ans, (i * j) % 2019);
            }
        }
    } 

    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:31: error: expected ';' before 'if'
   12 |     if (r - l >= 2019) ans = 0
      |                               ^
      |                               ;
   13 |     if (mr <= ml) ans = 0;
      |     ~~
Language: C

#include<stdio.h>
#define long long ll
int main() { 
	ll l,r;
	scanf("%lld%lld",&l,&r)
	r=(r>l+2019)?l+2019:r;
	ll ans=2019;
	for(ll i=l;i<=r;i++)
		for(ll j=i+1;j<=r;j++)
			ans=(ans>(i*j)%2019)?(i*j)%2019:ans;
	printf("%lld",ans);
}
// read the question correctly (ll vs int)
// template by bqi343

Compiler output:
main.c: In function 'main':
main.c:4:9: error: unknown type name 'll'
    4 |         ll l,r;
      |         ^~
main.c:5:32: error: expected ';' before 'r'
    5 |         scanf("%lld%lld",&l,&r)
      |                                ^
      |                                ;
    6 |         r=(r>l+2019)?l+2019:r;
      |         ~                       
main.c:7:9: error: unknown type name 'll'
    7 |         ll ans=2019;
      |         ^~
main.c:8:13: error: unknown type name 'll'
    8 |         for(ll i=l;i<=r;i++)
      |             ^~
main.c:9:21: error: unknown type name 'll'
    9 |                 for(ll j=i+1;j<=r;j++)
      |                     ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int maxn = 4e2 + 10;
const ll mod = 1e9 + 7;


int main(){
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//  freopen("abc.inp", "r", stdin); freopen("abc.out", "w", stdout);

  int l, r; cin >> l >> r;

  if (r - l + 1 >= 2019) cout << 0;
  else {
    int ans = 2019;

    for (int i = l; i <= r; ++i)
      for (int j = i + 1; j <= r; ++j)
        ans = min(ans, (1ll * i * j) % 2019);

    cout << ans;
  }

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:20:18: error: no matching function for call to 'min(int&, long long int)'
   20 |         ans = min(ans, (1ll * i * j) % 2019);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:20:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   20 |         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:20:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |         ans = min(ans, (1ll * i * j) % 2019);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++


#include <bits/stdc++.h>
#include <string.h>
#include <vector>
//s#define rep(i, n) for (int i = 0; i < (n); i++)
#define MAX 10000

using namespace std;

#define ll long long
#define pb push_back
#define mp make_pair
#define all(a) (a).begin(),(a).end()
#define rep(i,a,n) for(int i=a; i<n; i++)
#define r0 return 0
#define INF (int)1e15
#define MOD 1000000007

 int main(){

 long long l,r;
 cin>>l>>r;

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



 }

Compiler output:
a.cc: In function 'int main()':
a.cc:32:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   32 |         ans = min(ans,i*j%2019);
      |         ^~~
      |         abs
a.cc:35:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   35 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C++


#include <bits/stdc++.h>
#include <string.h>
#include <vector>
//s#define rep(i, n) for (int i = 0; i < (n); i++)
#define MAX 10000

using namespace std;

#define ll long long
#define pb push_back
#define mp make_pair
#define all(a) (a).begin(),(a).end()
#define rep(i,a,n) for(int i=a; i<n; i++)
#define r0 return 0
#define INF (int)1e15
#define MOD 1000000007

 int main(){

 long long l,r;
 cin>>l>>r;

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



 }

Compiler output:
a.cc: In function 'int main()':
a.cc:32:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   32 |         ans = min(ans,i*j%2019);s
      |         ^~~
      |         abs
a.cc:32:33: error: 's' was not declared in this scope
   32 |         ans = min(ans,i*j%2019);s
      |                                 ^
a.cc:35:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   35 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C++

#include <bits/stdc++.h>
#define io() ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); srand(time(NULL));
 
using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;

signed main(){
    io();
    ll l,r; cin >> l >> r;
    ll dif = l - r;
    ll ans = 2019;
    if(dif > 2018){
        ans = 0;
    }else{
        for(ll i = 1; i <= dif + 1; ++i) for(ll j = i + 1; j <= dif + 1; ++j){
            ans = min(ans,((i * j) % 2019);
        }
    }
    cout << ans << '\n';
    return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:43: error: expected ')' before ';' token
   19 |             ans = min(ans,((i * j) % 2019);
      |                      ~                    ^
      |                                           )
Language: C++

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

const int MOD = 1000000007;
const int INF = 1e9;

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

  const int mod = 2019;
  long long ans = 2e9 + 1;
  for(int i = l; i <= r; i++){
    for(int j = l; j <= r; j++){
      ans = min(ans, i%mod * j%mod);
      if(ans == 0) break;
    }
  }
  cout << ans << endl;

  // int s = l % mod;
  // vector<int> a;
  // a.push_back(l%mod);
  // int cnt = 0;
  // for(int i = l + 1; i <= r; i++){
  //   if(i%mod == s) {
  //     cnt ++;
  //     if(cnt >= 3) break;
  //   }
  //   a.push_back(i%mod);
  // }
  // sort(a.begin(), a.end());
  // // for(int i = 0; i < a.size(); i++) cout << a[i] << endl;
  // cout << a[0] * a[1] % mod << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: no matching function for call to 'min(long long int&, int)'
   15 |       ans = min(ans, i%mod * 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:15:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   15 |       ans = min(ans, i%mod * 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:15:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   15 |       ans = min(ans, i%mod * j%mod);
      |             ~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

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

const int MOD = 1000000007;
const int INF = 1e9;

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

  const int mod = 2019;
  long long ans = 2e9 + 1;
  for(int i = l; i <= r; i++){
    for(int j = l; j <= r; j++){
      ans = min(ans, i%mod * j%mod);
      if(ans == 0) break;
    }
  }
  cout << ans << endl;

  // int s = l % mod;
  // vector<int> a;
  // a.push_back(l%mod);
  // int cnt = 0;
  // for(int i = l + 1; i <= r; i++){
  //   if(i%mod == s) {
  //     cnt ++;
  //     if(cnt >= 3) break;
  //   }
  //   a.push_back(i%mod);
  // }
  // sort(a.begin(), a.end());
  // // for(int i = 0; i < a.size(); i++) cout << a[i] << endl;
  // cout << a[0] * a[1] % mod << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: no matching function for call to 'min(long long int&, int)'
   15 |       ans = min(ans, i%mod * 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:15:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   15 |       ans = min(ans, i%mod * 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:15:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   15 |       ans = min(ans, i%mod * j%mod);
      |             ~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

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

int main() {
	ll L, R;
	cin >> L >> R;
	ll ans = 2018;
	if ((R - L)/2019 >= 1) {
		ans = 0;
	}
	else{
		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:17:42: error: no matching function for call to 'min(int, ll&)'
   17 |                                 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:17:42: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   17 |                                 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:17:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   17 |                                 ans = min((i*j)%2019, ans);
      |                                       ~~~^~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#include <math.h>
#define ALL(a)    a.begin(), a.end() 
//#define for(i, K, N)  for(int i = K; i < N; i++)
#define ll long long int
using namespace std;

int main() {
ll L, R, min1 = 2019, min2 = 2019;cin >> L >> R;
if(R - L >= 2019){cout << ‘0’;exit(0);}

ll A = 0;

for(ll i = L; i <= R; i++){
if(min1 > i%2019){A = i;min1 = i%2019;}
}

for(ll i = L; i <= R; i++){
if(A != i)min2 = min(min2, i%2019);
}

cout << (min1*min2)%2019;
}


Compiler output:
a.cc:10:27: error: extended character ‘ is not valid in an identifier
   10 | if(R - L >= 2019){cout << ‘0’;exit(0);}
      |                           ^
a.cc:10:27: error: extended character ’ is not valid in an identifier
a.cc: In function 'int main()':
a.cc:10:27: error: '\U000020180\U00002019' was not declared in this scope
   10 | if(R - L >= 2019){cout << ‘0’;exit(0);}
      |                           ^~~
Language: C++

#include <iostream>
using namespace std;
 

long L, R;
long x = 2019;
long y = 0;
long diff = 0;

cin >> L >> R;
diff = R-L;

if (diff==1) {
  cout << (L*R)%2019;
  return 0;
} else if (diff>=2019) {
  cout << 0;
  return 0;
} else {
  for (long i = L; i < R; i++) {
    for (long j = i+1; j < R + 1; j++) {
      y = (i*j)%2019;
      if (x >= y) {
        x = y;
      }
    }
  }
  cout << x;
}
return 0;



Compiler output:
a.cc:10:1: error: 'cin' does not name a type
   10 | cin >> L >> R;
      | ^~~
a.cc:11:1: error: 'diff' does not name a type
   11 | diff = R-L;
      | ^~~~
a.cc:13:1: error: expected unqualified-id before 'if'
   13 | if (diff==1) {
      | ^~
a.cc:16:3: error: expected unqualified-id before 'else'
   16 | } else if (diff>=2019) {
      |   ^~~~
a.cc:19:3: error: expected unqualified-id before 'else'
   19 | } else {
      |   ^~~~
a.cc:30:1: error: expected unqualified-id before 'return'
   30 | return 0;
      | ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
typedef pair<int, int> P;
ll Mod = 1000000007;
int main() {
  ll L,R;
  cin >> L >> R;
  if (R - L > 2500) {
    cout << 0 << endl;
  } else {
    ll ans = 2050;
    for (ll i = L; i < R; i++) {
      for (ll j = i + 1LL; j <= R; j++) {
        ans = min(ans,(i * j) % 2019)
      }
    }
    cout << ans << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:38: error: expected ';' before '}' token
   15 |         ans = min(ans,(i * j) % 2019)
      |                                      ^
      |                                      ;
   16 |       }
      |       ~
Language: C++

void solve4(){
  long long l,r;
  cin >> l >> r;
  r%=2019;
  l%=2019;
  int res = 10000000;
  for(int i=min(r,l);i<max(r,l);i++){
    for(int j=i+1;j<=max(r,l);j++){
      res = min(res, (i*j)%2019);
    }
  }
  cout << res << endl;
}
int main(){
  solve4();
  return 0;
}


Compiler output:
a.cc: In function 'void solve4()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> l >> r;
      |   ^~~
a.cc:7:13: error: 'min' was not declared in this scope
    7 |   for(int i=min(r,l);i<max(r,l);i++){
      |             ^~~
a.cc:7:24: error: 'max' was not declared in this scope
    7 |   for(int i=min(r,l);i<max(r,l);i++){
      |                        ^~~
a.cc:12:3: error: 'cout' was not declared in this scope
   12 |   cout << res << endl;
      |   ^~~~
a.cc:12:18: error: 'endl' was not declared in this scope
   12 |   cout << res << endl;
      |                  ^~~~
Language: C++


#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
const ll INF = 1LL << 60;

int mod=2019;

int main(){
    ll l,r;
    cin >> l >> r;
    r = min(r,l+4038);
    ll ans=1e9;
    for(ll i=l; i<=r; i++){
        ans = min(ans,(i*j)%2019);
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:26: error: 'j' was not declared in this scope
   17 |         ans = min(ans,(i*j)%2019);
      |                          ^
Language: C++


#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
const ll INF = 1LL << 60;

int mod=2019;

int main(){
    ll l,r;
    cin >> l >> r;
    r = min(r,l+4038);
    ll ans=1e9;
    for(ll i=l; i<=r; i++){
        ans = min(ans,(i*j)%2019);
    }
    cout << ans << endl
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:26: error: 'j' was not declared in this scope
   17 |         ans = min(ans,(i*j)%2019);
      |                          ^
a.cc:19:24: error: expected ';' before '}' token
   19 |     cout << ans << endl
      |                        ^
      |                        ;
   20 | }
      | ~
Language: C++

#pragma GCC optimize("Ofast")
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define PI 3.141592
#define MOD7 1000000007
#define LL_INF 9000000000000000000
#define LL_MINF -9000000000000000000
#define INT_INF 2000000000
#define INT_MINF -2000000000
#define all(a) (a).begin(), (a).end()
#define fi first
#define se second
const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1};
const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};

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

    int min_n = 2020;
    if(R - L > 2020) min_n = 0;
    else{
        for(ll i = L; i < R; i++){
            for(ll j = i+1; j <= R; j++){
                min_n = min(min_n, i * j % 2019);
            }
        }
    }
    cout << min_n << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:28: error: no matching function for call to 'min(int&, ll)'
   27 |                 min_n = min(min_n, 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:27:28: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   27 |                 min_n = min(min_n, 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:27:28: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   27 |                 min_n = min(min_n, i * j % 2019);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
const ll mod=1000000007;
const int MAX_N = 1000;         // n の最大値
 
// nCk を取得
double nCk(int n, int k) {
double res=1.0;
for(int i=0; i<n; i++){
res*=0.5;}
for(int i=0; i<k; i++){
res*=(double)(n-i);
res/=(double)(k-i);
}
return res;}
 
int main() {
ll l,r;
cin>>l>>r;
ll a=2020;
if(r-l>2020){
cout<<0<<endl;}
else{
for(ll i=l; i<=r; i++){
for(ll k=l; k<=r; k++){
a=min((i%2019)*(k%2019)%2019,a)}}
cout<<a<<endl;}}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:32: error: expected ';' before '}' token
   28 | a=min((i%2019)*(k%2019)%2019,a)}}
      |                                ^
      |                                ;
Language: C++

#include<bits/stdc++.h>
#include<numeric>
#include<cassert>
#include <boost/multiprecision/cpp_int.hpp>
#define ll long long int
#define CON 100010
const long long mod=1e9+7;
const int INF=1001001001;
//const ll inf=1e9+7;
//const ll ful=1e18;
using namespace std;

//namespace mp = boost::multiprecision;
int main() 
{
	ll l,r;
	cin>>l>>r;
	r=min(r,l+4038);
	ll ans=INF;
	if(l<=2019||r>=2019)
	{
		ans=0;
	}
	for(int i=l;i<=r;i++)
	{
		for(int j=l+1;j<=r;j++)
		{
			ans=min(ans,(i*j)%2019);
		}
		if(ans==0) break;
	}
	cout<<ans<<endl;
	return 0;
}


Compiler output:
a.cc:4:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    4 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;

public class main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		
		Scanner sc=new Scanner(System.in);

		int L=sc.nextInt();
		int R=sc.nextInt();
		int hikaku=0;
		long result=(long)Math.pow(20,9);
		
		for(int i=L;i<=R-1;i++)  {
				hikaku=(i*(i+1))%2019;
				if(result>hikaku) {
					result=hikaku;
				}
			}
		System.out.println(result);
	}

}


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

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  long long L,R;
  cin >> L >> R;
  for(int i=1;i<1000000;i++){
    if(L<=long long(2019*i)&&long long(2019*i)<=R){
      cout << "0" << endl;
      return 0;
    }
  }
  int ans=2020;
  for(int i=L;i<R;i++){
    for(int j=i+1;j<=R;j++){
      int num=(i*j)%2019;
      ans=min(ans,num);
    }
  }
  cout << ans << endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: expected primary-expression before 'long'
    8 |     if(L<=long long(2019*i)&&long long(2019*i)<=R){
      |           ^~~~
a.cc:8:11: error: expected ')' before 'long'
    8 |     if(L<=long long(2019*i)&&long long(2019*i)<=R){
      |       ~   ^~~~
      |           )
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  long long L,R;
  cin >> L >> R;
  for(int i=1;i<1000000;i++){
    if(L<=2019*i&&2019*i<=R){
      cout << "0" << endl;
      return 0;
    }
  }
  long long ans=2020;
  for(int i=L;i<R;i++){
    for(int j=i+1;j<=R;j++){
      int num=(i*j)%2019;
      ans=min(ans,num);
    }
  }
  cout << ans << endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:17:14: error: no matching function for call to 'min(long long int&, int&)'
   17 |       ans=min(ans,num);
      |           ~~~^~~~~~~~~
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:17:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   17 |       ans=min(ans,num);
      |           ~~~^~~~~~~~~
/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:17:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   17 |       ans=min(ans,num);
      |           ~~~^~~~~~~~~
Language: C++

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

int main() {
 ll l,r;
 cin >> l >> r;
 if(r-l>=2019){
   cout << 0 << endl;
   return 0;
 }

 else{
   for(ll i=l;i<=r;i++){
      if(i%2019==0){
      cout << 0 << endl;
      return 0;
      }
   }
   ll d=200019;
   for(ll i=l;i<=r;i++){
      ll di=i%2019;ll di_next=(i+1)%2019;
      ll dis=(di*di_next)%2019;
      d=min(d,dis);
   }
   cout << d << endl;
 }

}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:2: error: 'cin' was not declared in this scope
    7 |  cin >> l >> r;
      |  ^~~
a.cc:9:4: error: 'cout' was not declared in this scope
    9 |    cout << 0 << endl;
      |    ^~~~
a.cc:9:17: error: 'endl' was not declared in this scope
    9 |    cout << 0 << endl;
      |                 ^~~~
a.cc:16:7: error: 'cout' was not declared in this scope
   16 |       cout << 0 << endl;
      |       ^~~~
a.cc:16:20: error: 'endl' was not declared in this scope
   16 |       cout << 0 << endl;
      |                    ^~~~
a.cc:24:9: error: 'min' was not declared in this scope; did you mean 'main'?
   24 |       d=min(d,dis);
      |         ^~~
      |         main
a.cc:26:4: error: 'cout' was not declared in this scope
   26 |    cout << d << endl;
      |    ^~~~
a.cc:26:17: error: 'endl' was not declared in this scope
   26 |    cout << d << endl;
      |                 ^~~~
Language: C++

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

int main() {
 ll l,r;  int d=2019;ll ans;
 cin >> l >> r;
 if(r-l>=2019){
   cout << 0 << endl;
   return 0;
 }

 else{
   for(ll i=l;i<=r;i++){
      ll di=i%2019;
      d=min(d,di);
   }
   ans=d*(d+1);
   cout << ans%2019 << endl;
 }

}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:12: error: no matching function for call to 'min(int&, ll&)'
   16 |       d=min(d,di);
      |         ~~~^~~~~~
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:16:12: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   16 |       d=min(d,di);
      |         ~~~^~~~~~
/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:16:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   16 |       d=min(d,di);
      |         ~~~^~~~~~
Language: C++

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

typedef long long ll;
#define rep(i, n) for(int i = 0; i < n; i++)

int main(){
    const int value = 2019;
    ll L, R;
    cin >> L >> R;
    ll num = R - L + 1; //LからRまでの間にある整数の個数
    ll ans;
    if(num >= value){
        ans = 0;
    }else{
        bool is = false;
        for(int i = L; i <= R; i++) if(i % value == 0) is = true;
        if(is) ans = 0;
        else{
            ans = 2019;
            for(int i = L; i <= R; i++){
                for(int j = L + 1; j <= R; j++){
                    int a = i * j;
                int b = a % value;
                ans = min(ans, b);
                }
            }
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:26: error: no matching function for call to 'min(ll&, int&)'
   31 |                 ans = min(ans, b);
      |                       ~~~^~~~~~~~
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:31:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |                 ans = min(ans, b);
      |                       ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:31:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |                 ans = min(ans, b);
      |                       ~~~^~~~~~~~