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

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

#define reps(i,s,n) for(int (i) = (s); (i) < (n); (i)++)
#define rep(i,n) reps(i,0,n)
using namespace std;
using ll = long long;

int main(){
    ll l,r;
    int m = 2e9;
    cin >> l >> r;

    if(r-l >= 2500){
        cout << 0 << endl;
        return 0;
    }else{
        reps(i,l,r+1){
            reps(j,i+1,r+1){
                ll tmp = i*j;
                tmp %= 2019;
                m = min(m,tmp);
                //cout << i << " " << j << endl;
            }
        }
    }

    cout << m << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:24: error: no matching function for call to 'min(int&, ll&)'
   26 |                 m = min(m,tmp);
      |                     ~~~^~~~~~~
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:26:24: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   26 |                 m = min(m,tmp);
      |                     ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:3:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:26:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   26 |                 m = min(m,tmp);
      |                     ~~~^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main(){
  int64_t r,l;
  cin >> l>>r;
  int ans=2020;
  if(r-l>2020){
    cout << 0;
    return 0;
  }
  int64_t i,j=l;
  for(int64_t i=l;i<r;i++){
    for( j=i+1;j<=r;j++){
      int64_t mini=(i*j)%2019;
      ans=min(ans,mini);
      
    }
  }
  cout << ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:14: error: no matching function for call to 'min(int&, int64_t&)'
   16 |       ans=min(ans,mini);
      |           ~~~^~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:16:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int64_t' {aka 'long int'})
   16 |       ans=min(ans,mini);
      |           ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:16:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   16 |       ans=min(ans,mini);
      |           ~~~^~~~~~~~~~
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;
  int mod = 2019;
  r = min(r, l + mod * 2);
  int ans = mod;
  for (ll i = l; i < r; i++) {
    for (ll j = l + 1; j <= r; j++) {
      ans = min(ans, (i * j) % mod);
    }
  }
  cout << ans << endl;
  return 0;
}

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++

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using vec = vector<ll>;
using mat = vector<vec>;

#define INF (1LL << 60)
#define MOD 1000000007

#define REP(i,m,n) for(ll (i)=(m),i_len=(n);(i)<(i_len);++(i))
#define FORR(i,v) for(auto (i):v)
#define ALL(x) (x).begin(), (x).end()
#define PR(x) cout << (x) << endl
#define PS(x) cout << (x) << " "
#define SZ(x) ((ll)(x).size())
#define MAX(a,b) (((a)>(b))?(a):(b))
#define MIN(a,b) (((a)<(b))?(a):(b))
#define pb push_back
#define mp make_pair

int main()
{
    ll L, R;
    cin >> L >> R;
    ll m =
    REP(i,L,R) {
        REP(j,i+1,R+1) {
            m = MIN((i*j)%2019,m);
            if(m == 0) break;
        }
    }
    PR(m);

    return 0;
}

/*



*/

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: expected primary-expression before 'for'
   11 | #define REP(i,m,n) for(ll (i)=(m),i_len=(n);(i)<(i_len);++(i))
      |                    ^~~
a.cc:27:5: note: in expansion of macro 'REP'
   27 |     REP(i,L,R) {
      |     ^~~
a.cc:27:9: error: 'i' was not declared in this scope
   27 |     REP(i,L,R) {
      |         ^
a.cc:11:46: note: in definition of macro 'REP'
   11 | #define REP(i,m,n) for(ll (i)=(m),i_len=(n);(i)<(i_len);++(i))
      |                                              ^
a.cc:11:50: error: 'i_len' was not declared in this scope
   11 | #define REP(i,m,n) for(ll (i)=(m),i_len=(n);(i)<(i_len);++(i))
      |                                                  ^~~~~
a.cc:27:5: note: in expansion of macro 'REP'
   27 |     REP(i,L,R) {
      |     ^~~
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for(int i= 0; i < (n); i++)
using ll= long long int;
using namespace std;
ll mod= 1e9 + 7;

int main() {
  ll l,r;
  cin >> l >> r;
  ll ans=10000000;
  int r=min(r,l+3000);
  for(int i=l;i<r;i++){
    for(int i2=i+1;i2<r;i2++){
      ll g=(i*i2)%2019;
      ans=min(ans,g);
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: conflicting declaration 'int r'
   11 |   int r=min(r,l+3000);
      |       ^
a.cc:8:8: note: previous declaration as 'll r'
    8 |   ll l,r;
      |        ^
Language: C++

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

typedef long long ll;

int main() 
{
    ll L,R,ans=INT_MAX;
    cin >> L >> R;
    ll a = (L-1)/2019;
    ll b = R/2019;

    if(a!=b) {
        cout << 0 << endl;
    }
    else {
        for(int i=L;i<=R;i++) {
            for(int j=L+1;j<=R;j++) {
                int m = (i*j)%2019;
                ans = min(ans,m);
            }
        }
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:26: error: no matching function for call to 'min(ll&, int&)'
   20 |                 ans = min(ans,m);
      |                       ~~~^~~~~~~
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:20:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   20 |                 ans = min(ans,m);
      |                       ~~~^~~~~~~
/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:20:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   20 |                 ans = min(ans,m);
      |                       ~~~^~~~~~~
Language: C++

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

#typedef long long ll;

int main() 
{
    ll L,R,ans=INT_MAX;
    cin >> L >> R;
    ll a = (L-1)/2019;
    ll b = R/2019;

    if(a!=b) {
        cout << 0 << endl;
    }
    else {
        for(int i=L;i<=R;i++) {
            for(int j=L+1;j<=R;j++) {
                int m = (i*j)%2019;
                ans = min(ans,m);
            }
        }
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc:4:2: error: invalid preprocessing directive #typedef
    4 | #typedef long long ll;
      |  ^~~~~~~
a.cc: In function 'int main()':
a.cc:8:5: error: 'll' was not declared in this scope
    8 |     ll L,R,ans=INT_MAX;
      |     ^~
a.cc:9:12: error: 'L' was not declared in this scope
    9 |     cin >> L >> R;
      |            ^
a.cc:9:17: error: 'R' was not declared in this scope
    9 |     cin >> L >> R;
      |                 ^
a.cc:10:7: error: expected ';' before 'a'
   10 |     ll a = (L-1)/2019;
      |       ^~
      |       ;
a.cc:11:7: error: expected ';' before 'b'
   11 |     ll b = R/2019;
      |       ^~
      |       ;
a.cc:13:8: error: 'a' was not declared in this scope
   13 |     if(a!=b) {
      |        ^
a.cc:13:11: error: 'b' was not declared in this scope
   13 |     if(a!=b) {
      |           ^
a.cc:20:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |                 ans = min(ans,m);
      |                 ^~~
      |                 abs
a.cc:24:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

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

int main(){
  long long l,r;
  cin>>l>>r;
  int ans=30000;
  r=min(r,l+4038);
  for(int i=l;i<=r;i++){
    for(int j=i+1;j<=r;j++){
      int x=i*j%2019;
      ans=min(ans,x);
    }
  }
  cout<<ans<<endl;
}
    
    
    
 
  cout<<(ans+sum)%2019<<endl;
}
  


Compiler output:
a.cc:21:3: error: 'cout' does not name a type
   21 |   cout<<(ans+sum)%2019<<endl;
      |   ^~~~
a.cc:22:1: error: expected declaration before '}' token
   22 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < n; i++)
#define all(v) v.begin(), v.end()

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

    if((r-l)>2030){
        cout << 0 << endl;
    }

    else{
        vector <long> mod(r-l+1,0);
        for(int i=0; i<r-l+1; i++){
            mod[i] = (l+i)%2019;
        }

        sort(all(mod));

        int ans=4000;

        for(int i=0; i<n; i++){
            for(int j=0; j<n; j++){
                if(i!=j){
                    int tmp = (mod[i]*mod[j])%2019;
                    if(tmp < ans){
                        ans = tmp;
                    }
                }
            }
        }
    }

    cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:24: error: 'n' was not declared in this scope
   24 |         for(int i=0; i<n; i++){
      |                        ^
a.cc:36:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   36 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

#define _GLIBCXX_DEBUG
#include<algorithm>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<iostream>
#include<vector>
#include<queue>
#include<deque>
#include<stack>
#include<set>
#include<map>
#include<string>
#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (int)n; i++)
#define rep2(i,s,n) for(int i=s;i< (int)n; i++)
#define ll long long 
#define all(v) v.begin(),v.end()
using namespace std;
const ll inf = 1000000007;
int main() {
  ll l,r; cin >>l>>r;
  ll ans=(l%2019)*((l+1)%2019);
  if(l<=2019&&2019<=r) cout <<0,,endl;
  else cout <<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:33: error: expected primary-expression before ',' token
   24 |   if(l<=2019&&2019<=r) cout <<0,,endl;
      |                                 ^
Language: C++

#define _GLIBCXX_DEBUG
#include<algorithm>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<iostream>
#include<vector>
#include<queue>
#include<deque>
#include<stack>
#include<set>
#include<map>
#include<string>
#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (int)n; i++)
#define rep2(i,s,n) for(int i=s;i< (int)n; i++)
#define ll long long 
#define all(v) v.begin(),v.end()
using namespace std;
const ll inf = 1000000007;
int main() {
  ll l,r; cin >>l>>r;
  ll ans=(l%2019)*((l+1)%2019);
  rep2(i,l,min(l+2020,r)){
    rep2(j,i+1,min(l+2020,r+1)){
      ans=min(ans,ll (i%2019)*(j%2019));
    }
  }
  cout <<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:12: error: expected primary-expression before 'long'
   17 | #define ll long long
      |            ^~~~
a.cc:26:19: note: in expansion of macro 'll'
   26 |       ans=min(ans,ll (i%2019)*(j%2019));
      |                   ^~
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;
    if(l+4038 < r) r = l+4038;
    ll ans = 2018;
    for(ll i = l;i < r;i++){
        for(ll 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:14:38: error: expected ';' before ')' token
   14 |             ans = min(ans,(i*j)%2019));
      |                                      ^
      |                                      ;
Language: C++

l, r = map(int, input().split())

mod = 2019
ans = 0
if l >= mod:
    ans = 2
else:
    ans = l*l + l

print(ans)

Compiler output:
a.cc:1:1: error: 'l' does not name a type
    1 | l, r = map(int, input().split())
      | ^
Language: C++

//#include<bits/stdc++.h>
#include<iostream>
#include<cmath>
#include<cstdio>
#include<vector>
#include<set>
#include<map>
#include<stack>
#include<queue>
#include<utility>
#include<algorithm>
#include<cstring>
#include<sstream>
#include <iomanip>

using namespace std;

typedef long long ll ;
typedef double db;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector< pair<int,int> > vii;
const double pi = 2*acos(0) ;

#define pf		  	printf
#define sf			  scanf
#define pb(a)         push_back(a)
#define mp			make_pair
#define fi			 first
#define se			 second
#define for0(i,n)        for(int i=0;i<n;i++)
#define for1(i,n)        for(int i=1;i<=n;i++)
#define forab(i,a,b)       for(int i=a;i<=b;i++)
#define lcm(a, b)     ((a)*((b)/gcd(a,b)))
#define sq(a)		   (a)*(a)
#define nw				"\n"
#define abs(x)		fabs(x)
#define pcase(z,x)    cout<<"Case "<<z<<": "<<x<<"\n"
#define mod	2019
ll mul(ll a, ll b){
	return (a%mod * b%mod)%mod;
	}
int main()
{
	ll l,r,x,m=INT_MAX;
	cin>>l>>r;
	for(ll i=l ; i<r ; i++){
		for(ll j=i+1 ; j<=r ; j++){
			x = mul(i,j);
			if(x==0){
				cout<<0<<nw;
				return 0;
				}
		m = min(m,x);
			}
		}
	cout<<m<<nw;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:20: error: 'INT_MAX' was not declared in this scope
   45 |         ll l,r,x,m=INT_MAX;
      |                    ^~~~~~~
a.cc:15:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   14 | #include <iomanip>
  +++ |+#include <climits>
   15 |
Language: C++

#include <algorithm>
#include <bits/stdc++.h>
#include<iostream>
#include<string>
using namespace std;
#define rep(i, n) for (int i = 0; i <(int)(n); i++)
#define all(x) (x).begin(), (x).end()
#define ll long long
const ll INF = 1<<29;
int main(){
ll l,r;cin>>l>>r;
ll r=min(r,l+4038);
ll ans=INF;
for(ll i=l;i<r;i++){
    for(ll 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:12:4: error: redeclaration of 'long long int r'
   12 | ll r=min(r,l+4038);
      |    ^
a.cc:11:6: note: 'long long int r' previously declared here
   11 | ll l,r;cin>>l>>r;
      |      ^
Language: C++

#include <algorithm>
#include <bits/stdc++.h>
#include<iostream>
#include<string>
using namespace std;
#define rep(i, n) for (int i = 0; i <(int)(n); i++)
#define all(x) (x).begin(), (x).end()
#define ll long long
const ll INF = 1<<29;
int main(){
int l,r;cin>>l>>r;
int r=min(r,l+4038);
int ans=INF;
for(int i=l;i<r;i++){
    for(int j=i+1;j<=r;j++){
       ans=min(ans,(i*j)%2019);
    }
}
cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: redeclaration of 'int r'
   12 | int r=min(r,l+4038);
      |     ^
a.cc:11:7: note: 'int r' previously declared here
   11 | int l,r;cin>>l>>r;
      |       ^
Language: C++

#include <iostream>
#include <algorithm>
#include <functional>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <string>
#include <numeric>
#include <cmath>

#define rep(i, n) for (int i = 0; i < n; i++)
using namespace std;
typedef long long ll;
using P = pair<ll, ll>;

template<class T> inline bool chmin(T& a,T b) {if (a > b) {a = b; return true;} return false;}
template<class T> inline bool chmax(T& a,T b) {if (a < b) {a = b; return true;} return false;}

const ll MOD = 1000000007;
const int INF = 1<<30;
//const ll INF = (ll)1e18 + 1;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:30:16: error: no matching function for call to 'min(ll&, int)'
   30 |       ans = min(ans, (i * j) % 2019);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/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:30:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   30 |       ans = min(ans, (i * j) % 2019);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:30:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   30 |       ans = min(ans, (i * j) % 2019);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

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

const ll LINF = 1e18;
const int INF = 1e9;
const ll MOD = 1000000007;

template<class T> inline bool chmin(T& a, T b){
    if(a > b){
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b){
    if(a < b){
        a = b;
        return true;
    }
    return false;
}
int main(){

    ll L, R, l, r;
    cin >> L >> R;
    R = min(R, L + 2019);
    int ans = INF;
    for(ll i = L; i <= L; i++){
        for(ll 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:32:22: error: no matching function for call to 'min(int&, ll)'
   32 |             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:32:22: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   32 |             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:32:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   32 |             ans = min(ans, (i*j)%2019);
      |                   ~~~^~~~~~~~~~~~~~~~~
Language: C++

//c++ テンプレ
#include<bits/stdc++.h>
using namespace std;

typedef long long llint;
typedef long double ld;

#define inf 1e18
#define mod 1000000007
priority_queue<llint,vector<llint>,greater<llint> > que;
priority_queue<llint> Que;
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

llint L,R;
void solve(){
    cin >> L >> R;
    ll mn=inf;
    llint v;
    for(llint i=L;i<R;i++){
        for(llint j=i+1;j<=R;j++){
            v=i*j%2019;
            mn=min(v,mn);
            if(mn==0){
                cout << mn << endl;
                return 0;
            }
        }
    }
    cout << mn << endl;
}

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


Compiler output:
a.cc: In function 'void solve()':
a.cc:17:5: error: 'll' was not declared in this scope; did you mean 'ld'?
   17 |     ll mn=inf;
      |     ^~
      |     ld
a.cc:22:13: error: 'mn' was not declared in this scope; did you mean 'yn'?
   22 |             mn=min(v,mn);
      |             ^~
      |             yn
a.cc:25:24: error: return-statement with a value, in function returning 'void' [-fpermissive]
   25 |                 return 0;
      |                        ^
a.cc:29:13: error: 'mn' was not declared in this scope; did you mean 'yn'?
   29 |     cout << mn << endl;
      |             ^~
      |             yn
Language: C

#include <math.h>

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

using ll = long long;
#define rep(inc, bgn, end) for (int inc = bgn; inc < end; ++inc)
#define repe(inc, bgn, end) for (int inc = bgn; inc <= end; ++inc)

using namespace std;

int main() {
    int l, r;
    cin >> l >> r;
    int div = 2019;
    int x   = l % div;
    int y   = r % div;

    int ans = 0;
    if ((r - l) == div) {
        if (x == 0) {
            // 0, 1 -> 0*1
            ans = 0;
        } else {
            // y, y+1
            ans = y * (y + 1);
        }
    } else if ((r - l) > div) {
        // mod 0が必ずある
        ans = 0;
    } else {
        if (x < y) {
            ans = x * (x + 1);
        } else if (x == y) {
            // mod 0が必ずある
            ans = 0;
        } else {
            // mod 0が必ずある
            ans = 0;
        }
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
main.c:3:10: fatal error: algorithm: No such file or directory
    3 | #include <algorithm>
      |          ^~~~~~~~~~~
compilation terminated.
Language: C++

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

int main(){
    ll l,r;
    cin>>l>>r;
    r=min(r,l+4038);
    int ans=2020;
    for(ll i=l; i<r; ++i){
        for(ll 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:13:20: error: no matching function for call to 'min(int&, ll)'
   13 |             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:13:20: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   13 |             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:13:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   13 |             ans=min(ans,i*j%2019);
      |                 ~~~^~~~~~~~~~~~~~
Language: C++

#include "bits/stdc++.h"
#define rep(i, j) for (long long i = j; i > 0; i--)
using namespace std;


int main() {
	long long ans = 0;
	long long l, r;
	cin >> l >> r;

	int diff = r - l;
	int mini = l % 2019;

	if (mini + diff >= 2019)
		ans = 0;
	else {
		ans = (l * (l + 1)) % 2019;
		for (int i = l; i < r; i++) {
			for (int j = i + 1; i <= r; i++)
				ans = min(ans, long long ((i * j) % 2019));
		}
	}

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

Compiler output:
a.cc: In function 'int main()':
a.cc:20:48: error: expected primary-expression before 'long'
   20 |                                 ans = min(ans, long long ((i * j) % 2019));
      |                                                ^~~~
Language: Java

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 * Main
 */
public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        long K = sc.nextInt();
        int[] A = new int[N];
        int[] countA = new int[N];
        int nowTown = 1
        List looptown = new ArrayList<>();
        long ans;

        for(int i=0; i < N; i++){
            A[i] = sc.nextInt();
        }
        
        for(long i=1; i <= K; i++){
            countA[nowTown]++;
            if(countA[nowTown] >= 2){
                looptown.add(nowTown);
            }
            if(countA[nowTown] ==3){
                break;
            }
            nowTown = A[nowTown];
        }

        ans =  ((K-(N-looptown.size()))%looptown.size());

        if(ans == 0){
            System.out.println(looptown.get(looptown.size()));
        }else{
            System.out.println(looptown.get((int)(ans)));
        }
        sc.close();
    }
}

Compiler output:
Main.java:17: error: ';' expected
        int nowTown = 1
                       ^
1 error
Language: C++

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

#define all(v) v.begin(), v.end()
#define intll int long long
#define rep(i, n) for (intll i = 0; i < (int)(n); i++)
const int INF = 1e9;
const int MOD = 1e9 + 7;

  
int main() {
  intll l , r ;
  cin >> l >> r ;
  
  vector<intll> v(50000500,INF) ;
  intll now = 0;
  
  for(int i=l;i<=min(r,l+5000000);i++){
    if(i !=0){
    v.at(now) = i % 2019 ;
    }
  　if(i==0) v.at(now) = 0 ;
    now ++ ;
  }
  
  sort(all(v)) ;
  intll ans = (v.at(0) %2019) *  (v.at(1) % 2019 ) ;
   
  cout << ans ;
  


}




Compiler output:
a.cc:22:3: error: extended character 　 is not valid in an identifier
   22 |   　if(i==0) v.at(now) = 0 ;
      |   ^
a.cc: In function 'int main()':
a.cc:22:3: error: '\U00003000if' was not declared in this scope
   22 |   　if(i==0) v.at(now) = 0 ;
      |   ^~~~
Language: C++

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

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



Compiler output:
a.cc: In function 'int main()':
a.cc:8:19: error: 'l' was not declared in this scope
    8 |     int r = min(R,l+2019);
      |                   ^
Language: C++

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

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



Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: no matching function for call to 'min(int&, long long int)'
    9 |         ans = min(ans,(L*(L+1))%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:9:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
    9 |         ans = min(ans,(L*(L+1))%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:9:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    9 |         ans = min(ans,(L*(L+1))%2019);
      |               ~~~^~~~~~~~~~~~~~~~~~~~
Language: Java

import java.util.*;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long L = sc.nextLong(); 
    long R = sc.nextLong(); 

    long min = 2019;
    // for(int i=L; i<=R ||  i<=L+2019;i++){
    for(long i=L; i<=R;i++){
      if(i == L + 2019){
        break;
      }
      long tmp = i%2019;
      min = Math.min(tmp, min);
    }
    System.out.println(min*(min+1))%2019;
  }
}



Compiler output:
Main.java:17: error: not a statement
    System.out.println(min*(min+1))%2019;
                                   ^
1 error
Language: C++

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

int main() {
  ll l, r;
  cin >> l >> r;
  r = min(r, l+2019;
  int ans = 2018;
  for (ll i = l; 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:9:20: error: expected ')' before ';' token
    9 |   r = min(r, l+2019;
      |          ~         ^
      |                    )
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
int64_t L,R;
  cin>>L>>R;
  if(2019<=R-L)
    cout<<0<<endl;
  else{
    int ans=2018
  for(int64_t i=L;i<=R-1;i++){
  for(int64_t j=i+1;j<=R;j++){
  int64_t a=((i%2019)*(j%2019))%2019;
    if(a<ans)
      ans=a;
  
  }
  }cout<<ans<<endl;
  
  }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: expected ',' or ';' before 'for'
   10 |   for(int64_t i=L;i<=R-1;i++){
      |   ^~~
a.cc:10:19: error: 'i' was not declared in this scope
   10 |   for(int64_t i=L;i<=R-1;i++){
      |                   ^
Language: C++

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

int main(){
	
	ll l,r; cin>>l>>r;
	if(r-l>=2019) cout << 0 << endl;
	else{
		int m{2020};
		for(ll i=l; i<r; i++){
			for(ll 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:13:40: error: no matching function for call to 'min(int&, ll)'
   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:13:40: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long 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:13:40: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   13 |                                 m = min(m,(i*j)%2019);
      |                                     ~~~^~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); ++i)
using namespace std;
typedef long long ll;
int main() {
  ll l,r;
  cin >> l >> r;
  r=max(r,l+2019);
  int ans=2019;
  for(ll i=1;i<=r;++i) {
    for(ll 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:12:14: error: no matching function for call to 'min(int&, ll)'
   12 |       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:12:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   12 |       ans=min(ans,(i*j)%2019);
      |           ~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:12:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   12 |       ans=min(ans,(i*j)%2019);
      |           ~~~^~~~~~~~~~~~~~~~
Language: C++

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

int main(){
  long long L,R;
  
  long long tmp = 0;;
  
  for(int i = L; i < R; i++){
    int a = i/2019;
    int b = (i+1)/2019;
    tmp = (tmp, a*b)
  }
  cout << tmp << endl;
}

    

Compiler output:
a.cc: In function 'int main()':
a.cc:12:21: error: expected ';' before '}' token
   12 |     tmp = (tmp, a*b)
      |                     ^
      |                     ;
   13 |   }
      |   ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(long long i=(a);i<(b);++i)
#define rep(i, n) FOR(i, 0, n)
#define whole(x) (x).begin(),(x).end()
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end())
using ll = long long;
using P = pair<int, int>;
const int mod = 1000000007;

int main()
{
  ll l, r;
  cin >> l >> r;
  if (abs(r-l)>2025) {
    cout << "0" << endl;
    return 0;
  }
  ll ans2018;
  for (ll i=l; i<r; i++) {
    for (ll 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:22:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |       ans = min(ans, (i*j)%2019);
      |       ^~~
      |       abs
a.cc:25:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   25 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

#include<bits/stdc++.h>
#define INFTY 1<<20
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long int ll;
const int MOD=1000000007;

int main(){
    ll r,l;cin>>l>>r;
    vector<ll> num;
    ll ans=INFTY,mi=INFTY,mj=INFTY;
    for (ll i = l; i <=r; i++)
    {
        num.p2ush_back(i%2019);
    }

    for(ll i:num){
        for(ll j:num){
            if(i==j)continue;
            ans = min(ans,(i*j)%MOD);
        }
    }
    cout<<ans<<endl;

return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:13: error: 'class std::vector<long long int>' has no member named 'p2ush_back'; did you mean 'push_back'?
   14 |         num.p2ush_back(i%2019);
      |             ^~~~~~~~~~
      |             push_back
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
typedef long long ll;

int main() {
    ll L, R;
    ll a, b, f;
    ll ans = 2045;
    cin >> L >> R;
    
    if (R-L>=2019) {
        f = 2019;
    } else {
        f = R-L;
    } 

    for (int i = L; i <= L+f; i++) {
        for (int j = i+1; j<=L+f; j++) {
            ans = min({ans, (j*i)%2019});
        }
    }
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:22: error: no matching function for call to 'min(<brace-enclosed initializer list>)'
   20 |             ans = min({ans, (j*i)%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:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   template argument deduction/substitution failed:
a.cc:20:22: note:   deduced conflicting types for parameter '_Tp' ('long long int' and 'int')
   20 |             ans = min({ans, (j*i)%2019});
      |                   ~~~^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   candidate expects 2 arguments, 1 provided