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

#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(false); cin.tie(0);
#define FOR(i,s,n) for(int i = s; i < (n); i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(n) (n).begin(), (n).end()
#define RALL(n) (n).rbegin(), (n).rend()
#define ATYN(n) cout << ( (n) ? "Yes":"No") << '\n';
#define CFYN(n) cout << ( (n) ? "YES":"NO") << '\n';
#define OUT(n) cout << (n) << '\n';
using ll = long long;
using ull = unsigned long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;

int main(void)
{
    IOS
    ll l, r;
    cin >> l >> r;
    int ans = 0;
    if (r-l < 2019) {
        ans = 2018;
        for(ull i = l; i < r; i++) for(ull j = i+1; j <r+1; j++) ans = min(ans,i * j % 2019);
    }

    cout << ans << '\n';

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:75: error: no matching function for call to 'min(int&, ull)'
   24 |         for(ull i = l; i < r; i++) for(ull j = i+1; j <r+1; j++) 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:24:75: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'ull' {aka 'long long unsigned int'})
   24 |         for(ull i = l; i < r; i++) for(ull j = i+1; j <r+1; j++) 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:24:75: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   24 |         for(ull i = l; i < r; i++) for(ull j = i+1; j <r+1; j++) ans = min(ans,i * j % 2019);
      |                                                                        ~~~^~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(false); cin.tie(0);
#define FOR(i,s,n) for(int i = s; i < (n); i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(n) (n).begin(), (n).end()
#define RALL(n) (n).rbegin(), (n).rend()
#define ATYN(n) cout << ( (n) ? "Yes":"No") << '\n';
#define CFYN(n) cout << ( (n) ? "YES":"NO") << '\n';
#define OUT(n) cout << (n) << '\n';
using ll = long long;
using ull = unsigned long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;

int main(void)
{
    IOS
    ull l, r;
    cin >> l >> r;
    ull ans = 0;
    if (r-l < 2019) {
        ans = 2018;
        FOR(i,l,r) FOR(j,i+1,r+1) ans = min(ans,i * j % 2019);
    }

    cout << ans << '\n';

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:44: error: no matching function for call to 'min(ull&, int)'
   24 |         FOR(i,l,r) FOR(j,i+1,r+1) 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:24:44: note:   deduced conflicting types for parameter 'const _Tp' ('long long unsigned int' and 'int')
   24 |         FOR(i,l,r) FOR(j,i+1,r+1) 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:24:44: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned int'
   24 |         FOR(i,l,r) FOR(j,i+1,r+1) ans = min(ans,i * j % 2019);
      |                                         ~~~^~~~~~~~~~~~~~~~~~
Language: C++

#include <vector>
#include <math.h>
#include <iostream>
#include <string>
#include <algorithm>
#include <queue>
#include <iomanip>
#include <deque>
#include <map>

typedef long long ll;
#define rep(i, a, n) for(int i = a; i<n; i++)
#define ALL(a) begin(a), end(a)
#define mii map<int, int>
#define msi map<string, int>
#define vi vector<int>
#define vl vector<ll>
#define MOD 1000000007
#define INF 1e9
#define showVector(v) rep(i,0,v.size()){p(v[i]);p(" ")} pl("")
#define p(s) std::cout << s ;
#define pl(s)  std::cout << s << endl;
using namespace std;

// 素数判定 O(√n)
bool is_prime(int n){
    for(int i = 2; i * i <= n; i++){
        if(n % i == 0) return false;
    }
    return true;
}

// 各桁の和を計算する関数
int findSumOfDigits(int n) {
  int sum = 0;
  while (n > 0) { // n が 0 になるまで
    sum += n % 10;
    n /= 10;
  }
  return sum;
}

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;
}

//想定解答との絶対誤差または相対誤差が 10−6以下の場合+1以上だしておく。適当に15とかでもおｋ．
//cout << fixed << setprecision(15);

int main() {
    ll L, R;
    cin >> L >> R;
    //vector<vector<int>> data(3, vector<int>(4));
    if (R-L>=2019) {
        cout << 0 << endl;
    } else {
        ll res = 2018;
        for (ll i = L; i < R; ++i) {
            for (ll j = i+1; j <= R; ++j) {
                res = min(res, (i*j) % 2019);
            }
        }
        cour << res << endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:75:9: error: 'cour' was not declared in this scope
   75 |         cour << res << endl;
      |         ^~~~
Language: C++

#include <vector>
#include <math.h>
#include <iostream>
#include <string>
#include <algorithm>
#include <queue>
#include <iomanip>
#include <deque>
#include <map>

typedef long long ll;
#define rep(i, a, n) for(int i = a; i<n; i++)
#define ALL(a) begin(a), end(a)
#define mii map<int, int>
#define msi map<string, int>
#define vi vector<int>
#define vl vector<ll>
#define MOD 1000000007
#define INF 1e9
#define showVector(v) rep(i,0,v.size()){p(v[i]);p(" ")} pl("")
#define p(s) std::cout << s ;
#define pl(s)  std::cout << s << endl;
using namespace std;

// 素数判定 O(√n)
bool is_prime(int n){
    for(int i = 2; i * i <= n; i++){
        if(n % i == 0) return false;
    }
    return true;
}

// 各桁の和を計算する関数
int findSumOfDigits(int n) {
  int sum = 0;
  while (n > 0) { // n が 0 になるまで
    sum += n % 10;
    n /= 10;
  }
  return sum;
}

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;
}

//想定解答との絶対誤差または相対誤差が 10−6以下の場合+1以上だしておく。適当に15とかでもおｋ．
//cout << fixed << setprecision(15);

int main() {
    ll L, R;
    cin >> L >> R;
    //vector<vector<int>> data(3, vector<int>(4));
    if (R-L>=2019) {
        cout << 0 << endl;
    } else {
        ll res = 2018;
        for (ll i = L; i < R; ++j {
            for (ll j = i+1; j <= R; ++j {
            res = min(res, (i*j) % 2019);
        }
        cour << res << endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:70:33: error: 'j' was not declared in this scope
   70 |         for (ll i = L; i < R; ++j {
      |                                 ^
a.cc:70:34: error: expected ')' before '{' token
   70 |         for (ll i = L; i < R; ++j {
      |             ~                    ^~
      |                                  )
a.cc:71:41: error: expected ')' before '{' token
   71 |             for (ll j = i+1; j <= R; ++j {
      |                 ~                       ^~
      |                                         )
a.cc:74:9: error: 'cour' was not declared in this scope
   74 |         cour << res << endl;
      |         ^~~~
a.cc:77:2: error: expected '}' at end of input
   77 | }
      |  ^
a.cc:62:12: note: to match this '{'
   62 | int main() {
      |            ^
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;
    int ans = 2018;
    cin >> L >> R;
    if (R - L > 2019) R = L + 2019;
    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:14:22: error: no matching function for call to 'min(int&, ll)'
   14 |             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:14:22: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   14 |             ans = min(ans, (i * j) % 2019);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:14:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   14 |             ans = min(ans, (i * j) % 2019);
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
  int L, R;
  cin >> L >> R;

  int GS1, GE1, GS2, GE2;
  if ((R-L) >= 2019) {
    GE1 = GS1 = GE2 = GS2 = -1
  } else if (L%2019 < R%2019) {
    GS1 = 0;
    GE1 = L % 2019 - 1;
    GS2 = R % 2019 + 1;
    GE2 = 2019;
  } else {
    GS1 = R % 2019 + 1;
    GE1 = L % 2019 - 1;
    GS2 = GE2 = -1;
  }
  
  int ans = 2019*2019;
  for (int i = 0; i < 2019; i++) {
    if ((GS1<=i && i<=GE1) || (GS2<=i && i<=GE2)) continue;
    for (int j = i+1; j < 2019; j++) {
      if ((GS1<=j && j<=GE1) || (GS2<=j && j<=GE2)) continue;

      ans = min(ans, i*j);
    }
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:31: error: expected ';' before '}' token
   11 |     GE1 = GS1 = GE2 = GS2 = -1
      |                               ^
      |                               ;
   12 |   } else if (L%2019 < R%2019) {
      |   ~
Language: C++

#include <iostram>
#include <algorithm>
using namespace std;
int main()
{
  int L, R;
  cin >> L >> R;

  int GS1, GE1, GS2, GE2;
  if ((R-L) >= 2019) {
    GE1 = GS1 = GE2 = GS2 = -1
  } else if (L%2019 < R%2019) {
    GS1 = 0;
    GE1 = L % 2019 - 1;
    GS2 = R % 2019 + 1;
    GE2 = 2019;
  } else {
    GS1 = R % 2019 + 1;
    GE1 = L % 2019 - 1;
    GS2 = GE2 = -1;
  }
  
  int ans = 2019*2019;
  for (int i = 0; i < 2019; i++) {
    if ((GS1<=i && i<=GE1) || (GS2<=i && i<=GE2)) continue;
    for (int j = i+1; j < 2019; j++) {
      if ((GS1<=j && j<=GE1) || (GS2<=j && j<=GE2)) continue;

      ans = min(ans, i*j);
    }
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc:1:10: fatal error: iostram: No such file or directory
    1 | #include <iostram>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>

using namespace std;
int main(){
  long long int L,R;
  cin >> L >> R;
long long int cnt,min;

    min = 10000;

   for(int i = L; i < R; i++){
       cns = 0;
      for(int j = L + 1; j <= R; j++){
          cnt = (i * j) % 2019;
          if(min > cnt) min = cnt;

          if(min == 0){ cout << '0' << endl; return 0;}
      }
   }

   cout << min << endl;

 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:8: error: 'cns' was not declared in this scope; did you mean 'cnt'?
   12 |        cns = 0;
      |        ^~~
      |        cnt
Language: C++

#include<bits/stdc++.h>

using namespace std;
int main(){
  long long int L,R;
  cin >> L >> R;
long long int cnt,min;

    min = 10000;

   for(int i = L; i < R; i++){
     cns = 0;
      for(int j = L + 1; j <= R; j++){
          cns = (i * j) % 2019;
          if(min > cns) min = cns;

          if(min == 0){ cout << '0' << endl; return 0;}
      }
   }

   cout << min << endl;

 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:6: error: 'cns' was not declared in this scope; did you mean 'cnt'?
   12 |      cns = 0;
      |      ^~~
      |      cnt
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <windows.h>
using namespace std;
int main() {
	int l, r;
	int min = 1000000009;
	cin >> l >> r;
	if (min > (l * r) % 2019) {
		min = (l * r) % 2019;
	}
	for (int i = l; i < r - 1; i++) {
		for (int j = i + 1; j <= r; j++) {
			if (min > (i * j) % 2019) {
				min = (i * j) % 2019;
			}
		}
	}
	cout << min << endl;
	return 0;
}

Compiler output:
a.cc:11:10: fatal error: windows.h: No such file or directory
   11 | #include <windows.h>
      |          ^~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#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 ALL(vec)  (vec).begin(),(vec).end()
#define lli long long int
#define pi 3.1415926535897932384626433832795
#define MAX_INF 9223372036854775807
#define MIN_INF 9223372036854775807+1
#define sosuu 1000000007

int main(){
  lli L, R;
  cin >> L >> R;
  int l,r;
  l=L/2019;
  r=R/2019;
  if(R-L>672){
  cout << 0 << endl;
    return 0;
  }
  if(l>1)
  L-=2019*(l-1);
  if(r>1)
  R-=2019*(r-1);
  if(L<=2019&&R<=2019)
  {
    cout << 0 << endl;
    return 0;
  }
  if()
  {
    cout << 0 << endl;
    return 0;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:6: error: expected primary-expression before ')' token
   31 |   if()
      |      ^
Language: C++

#include<bits/stdc++.h>
#define ford(i,a,b) for(int i=(a);i>=b;i--)
#define rep(i,a,b) for(int i=(a);(i)<=(b);(i)++)
#define ll long long
#define mp map<int,int>
using namespace std;
int main() {
	int l,r,small=1e9*2+1;
	cin>>l>>r; r%=2019,l%=2019;
	if(r<l)cout<<0,return 0;
	rep(i,l,r-1) rep(j,i+1,r)
		if(i*j%2019<small) small=i*j;
	cout<<small;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:24: error: expected primary-expression before 'return'
   10 |         if(r<l)cout<<0,return 0;
      |                        ^~~~~~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'll' was not declared in this scope
    5 |     ll l , r ;
      |     ^~
a.cc:6:12: error: 'l' was not declared in this scope
    6 |     cin >> l >> r ;
      |            ^
a.cc:6:17: error: 'r' was not declared in this scope
    6 |     cin >> l >> r ;
      |                 ^
a.cc:13:6: error: expected ';' before 'ans'
   13 |    ll ans = 2020;
      |      ^~~~
      |      ;
a.cc:18:21: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |             if(now<=ans) ans = now;
      |                     ^~~
      |                     abs
a.cc:21:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   21 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

/**
*   @Author : MeGA
*   @InitTime :02/08/20 16:22:28
*   @Idea : 
*
*
*
*
*
*
*
**/
#include <bits/stdc++.h>
using namespace std;
int main(){
#ifndef ONLINE_JUDGE
  // freopen("in","r",stdin);
  // freopen("out","w",stdout);
#endif

     ios::sync_with_stdio(false);
     cin.tie(0);
     int a,b;
     cin>>a>>b;
     if(b-a > 5000){
       cout<<0<<endl;
     }
     int ans=2e9;
     for(int i=a;i<=b;i++){
           for(int j=i+1;j<=b;j++){
             ans=min((1ll*i*j)%2019,ans);
           }
        }
        cout<<ans<<endl;
     
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:21: error: no matching function for call to 'min(long long int, int&)'
   31 |              ans=min((1ll*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:13:
/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:31:21: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |              ans=min((1ll*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:31:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |              ans=min((1ll*i*j)%2019,ans);
      |                  ~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

#include <array>
#include <cmath>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <string>
#include <tuple>
#include <utility>
#include <vector>

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

using namespace std;

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

  int ret = 2020;
  for (long long i = L; i <= min(L+2019*2, R); ++i) {
    for (long long j = i; j <= min(L+2019*2, R); ++j) {
      ret = min(ret, (i*j)%2019);
    }
  }
  cout << ret << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:16: error: no matching function for call to 'min(int&, long long int)'
   23 |       ret = min(ret, (i*j)%2019);
      |             ~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/array:43,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:23:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   23 |       ret = min(ret, (i*j)%2019);
      |             ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

include <algorithm>
#include <array>
#include <cmath>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <string>
#include <tuple>
#include <utility>
#include <vector>

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

using namespace std;

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

  int ret = 2020;
  for (int i = L; i <= min(L+2019*2, R) - 1; ++i) {
    for (int j = i + 1; j <= min(L+2019*2, R); ++j) {
      ret = min(ret, (i*j)%2019);
    }
  }
  cout << ret << endl;

  return 0;
}


Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <algorithm>
      | ^~~~~~~
In file included from /usr/include/c++/14/array:39,
                 from a.cc:2:
/usr/include/c++/14/initializer_list:51:15: error: 'size_t' does not name a type
   51 |       typedef size_t            size_type;
      |               ^~~~~~
/usr/include/c++/14/initializer_list:1:1: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>'
  +++ |+#include <cstddef>
    1 | // std::initializer_list support -*- C++ -*-
/usr/include/c++/14/initializer_list:57:7: error: 'size_type' does not name a type
   57 |       size_type                 _M_len;
      |       ^~~~~~~~~
/usr/include/c++/14/initializer_list:60:54: error: 'size_type' has not been declared
   60 |       constexpr initializer_list(const_iterator __a, size_type __l)
      |                                                      ^~~~~~~~~
/usr/include/c++/14/initializer_list:68:17: error: 'size_type' does not name a type
   68 |       constexpr size_type
      |                 ^~~~~~~~~
/usr/include/c++/14/initializer_list:45:11: fatal error: definition of 'class std::initializer_list<_E>' does not match '#include <initializer_list>'
   45 |     class initializer_list
      |           ^~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  
  long long l, r;
  cin >> l >> r;
  
  if(r - l >= 2019){
    cout << 0 << '\n';
    return 0;
  }
  
  ll ans = 2020;
  for(int i = l; i < r; i++){
    for(j = i + 1; j <= r; j++){
      ans = min(ans, (i * j) % 2019);
    }
  }
  
  cout << ans << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:3: error: 'll' was not declared in this scope; did you mean 'l'?
   16 |   ll ans = 2020;
      |   ^~
      |   l
a.cc:18:9: error: 'j' was not declared in this scope
   18 |     for(j = i + 1; j <= r; j++){
      |         ^
a.cc:19:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   19 |       ans = min(ans, (i * j) % 2019);
      |       ^~~
      |       abs
a.cc:23:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |   cout << ans << '\n';
      |           ^~~
      |           abs
Language: C++

#pragma gcc optimize("Ofast")
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(V) (V).begin(),(V).end()
#define SORT(V) sort(ALL(V)) //小さい方からソート
#define REV(V) reverse(ALL(V)) //リバース
#define RSORT(V) SORT(V);REV(V) //大きい方からソート
#define NPN(V) next_permutation(ALL(V)) //順列
#define pb(n) push_back(n)
#define endl '\n'
#define Endl '\n'
#define DUMP(x)  cout << #x << " = " << (x) << endl
#define YES(n) cout << ((n) ? "YES" : "NO"  ) << endl
#define Yes(n) cout << ((n) ? "Yes" : "No"  ) << endl
#define yes(n) cout << ((n) ? "yes" : "no"  ) << endl
#define Yay(n) cout << ((n) ? "Yay!": ":(") << endl
#define RAPID cin.tie(0);ios::sync_with_stdio(false)
#define VSUM(V) accumulate(ALL(V), 0)
#define MID(a,b,c) (a) < (b) && (b) < (c)
#define MIDe(a,b,c) (a) <= (b) && (b) <= (c)
#define IN(n) cin >> n
#define IN2(a,b) cin >> a >> b
#define IN3(a,b,c) cin >> a >> b >> c 
#define IN4(a,b,c,d) cin >> a >> b >> c >> d
#define VIN(V) for(int i = 0; i < (V).size(); i++) {cin >> (V).at(i);}
#define OUT(n) cout << n << endl
#define VOUT(V) REP(i, (V).size()) {cout << (V)[i] << endl;}
#define VOUT2(V) REP(i, (V).size()) {cout << (V)[i] << " ";} cout<<endl;

// 型マクロ定義
#define int long long
#define P pair<ll,ll>
#define Vi vector<ll>
#define VVi vector<vector<ll>>
#define Vd vector<double>
#define Vb vector<bool>
#define Vs vector<string>
#define Vc vector<char>
#define M map<ll,ll>
#define S set<ll>
#define PQ priority_queue<ll>
#define PQG priority_queue<ll,V,greater<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 int MOD = 1000000007;
const int INF = 1061109567;
const double EPS = 1e-10;
const double PI  = acos(-1.0);

int gcd(int a,int b){return b != 0 ? gcd(b, a % b) : a;} //最大公約数
int lcm(int a, int b){return a * b / gcd(a, b);}
string toStrUp(string str){char diff = 'A'-'a';REP(i,str.size()) str[i] += diff;return str;}
string gCh(string str, int key){return str.substr(key,1);}

signed main() {
  RAPID;
  // デフォルト変数定義
  int n=0,m=0,a=0,b=0,c=0,d=0,x=0,y=0,z=0;
  string s="",t="";
  //

  // ここから
  IN2(n,m);
  int min_num = INF;
  bool exit = false;
  FOR(i,n,m+1){
    FOR(j,i+1,m+1){
      if(i >= j) continue;
      min_num = min(min_num, ((i*j)%2019ll);
      if(min_num==0) exit=true;
    }
    if(exit) break;
  }
  OUT(min_num);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:77:44: error: expected ')' before ';' token
   77 |       min_num = min(min_num, ((i*j)%2019ll);
      |                    ~                       ^
      |                                            )
Language: C++

#pragma gcc optimize("Ofast")
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(V) (V).begin(),(V).end()
#define SORT(V) sort(ALL(V)) //小さい方からソート
#define REV(V) reverse(ALL(V)) //リバース
#define RSORT(V) SORT(V);REV(V) //大きい方からソート
#define NPN(V) next_permutation(ALL(V)) //順列
#define pb(n) push_back(n)
#define endl '\n'
#define Endl '\n'
#define DUMP(x)  cout << #x << " = " << (x) << endl
#define YES(n) cout << ((n) ? "YES" : "NO"  ) << endl
#define Yes(n) cout << ((n) ? "Yes" : "No"  ) << endl
#define yes(n) cout << ((n) ? "yes" : "no"  ) << endl
#define Yay(n) cout << ((n) ? "Yay!": ":(") << endl
#define RAPID cin.tie(0);ios::sync_with_stdio(false)
#define VSUM(V) accumulate(ALL(V), 0)
#define MID(a,b,c) (a) < (b) && (b) < (c)
#define MIDe(a,b,c) (a) <= (b) && (b) <= (c)
#define IN(n) cin >> n
#define IN2(a,b) cin >> a >> b
#define IN3(a,b,c) cin >> a >> b >> c 
#define IN4(a,b,c,d) cin >> a >> b >> c >> d
#define VIN(V) for(int i = 0; i < (V).size(); i++) {cin >> (V).at(i);}
#define OUT(n) cout << n << endl
#define VOUT(V) REP(i, (V).size()) {cout << (V)[i] << endl;}
#define VOUT2(V) REP(i, (V).size()) {cout << (V)[i] << " ";} cout<<endl;

// 型マクロ定義
#define int long long
#define P pair<ll,ll>
#define Vi vector<ll>
#define VVi vector<vector<ll>>
#define Vd vector<double>
#define Vb vector<bool>
#define Vs vector<string>
#define Vc vector<char>
#define M map<ll,ll>
#define S set<ll>
#define PQ priority_queue<ll>
#define PQG priority_queue<ll,V,greater<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 int MOD = 1000000007;
const int INF = 1061109567;
const double EPS = 1e-10;
const double PI  = acos(-1.0);

int gcd(int a,int b){return b != 0 ? gcd(b, a % b) : a;} //最大公約数
int lcm(int a, int b){return a * b / gcd(a, b);}
string toStrUp(string str){char diff = 'A'-'a';REP(i,str.size()) str[i] += diff;return str;}
string gCh(string str, int key){return str.substr(key,1);}

signed main() {
  RAPID;
  // デフォルト変数定義
  int n=0,m=0,a=0,b=0,c=0,d=0,x=0,y=0,z=0;
  string s="",t="";
  //

  // ここから
  IN2(n,m);
  int min_num = INF;
  FOR(i,n,m+1){
    REP(j,n,m+1){
      if(i >= j) continue;
      min_num = min(min_num, ((i%2019)*(j%2019))%2019);
      if(min_num==0) break;
    }
  }
  OUT(min_num);
}

Compiler output:
a.cc:74:16: error: macro "REP" passed 3 arguments, but takes just 2
   74 |     REP(j,n,m+1){
      |                ^
a.cc:8:9: note: macro "REP" defined here
    8 | #define REP(i, n) FOR(i, 0, n)
      |         ^~~
a.cc: In function 'int main()':
a.cc:74:5: error: 'REP' was not declared in this scope
   74 |     REP(j,n,m+1){
      |     ^~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define MAX_N 51
#define MOD 2019
#define INF 2030
using namespace std;

// (i*J)%mod の最小値
// L<= i<j <=R

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    ll l,r;
    cin>>l>>r;
    ll r2 = l+MOD+1;
    if(absl(r-l) > MOD) swap(r,r2);
    ll ans = INF;
    for(int i = l; i < r; i++){
        for(int j = i+1; j<=r; j++){
            ll t = (i*j)%MOD; 
            ans = min(ans, t);
        }
    }
    cout<< ans <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:8: error: 'absl' was not declared in this scope; did you mean 'fabsl'?
   16 |     if(absl(r-l) > MOD) swap(r,r2);
      |        ^~~~
      |        fabsl
Language: C++

#include <bits/stdc++.h>

using namespace std;
int l,r,a=5000000,x,y;
long long c;
int main(){
	cin>>l>>r;
	x=l%2019,y=r%2019;
	if(x>=y){
		y+=2019;
	}
	
	
	for(int i=x;i<y;i++){
		for(int j=i+1;j<=y;j++){
			c=i*j;
			c%=2019;
			a=min(a,c);
		
		}
	}
	cout<<a<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:30: error: no matching function for call to 'min(int&, long long int&)'
   18 |                         a=min(a,c);
      |                           ~~~^~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:18:30: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   18 |                         a=min(a,c);
      |                           ~~~^~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:18:30: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   18 |                         a=min(a,c);
      |                           ~~~^~~~~
Language: C++

using namespace std;
typedef long long LL;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> L >> R;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:12:15: error: 'min' was not declared in this scope; did you mean 'main'?
   12 |         ans = min(ans, ((i % 2019) * (j % 2019)) % 2019);
      |               ^~~
      |               main
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout << ans << endl;
      |   ^~~~
a.cc:16:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:18: error: 'endl' was not declared in this scope
   16 |   cout << ans << endl;
      |                  ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

#include <bits/stdc++.h>
#define int long long
#define ll long long 
#define rep(i,a,b) for(signed i=a;i<(b);++i)
#define erep(i,a,b) for(signed i=a;i<=(b);++i)
#define per(i,a,b) for(signed i=(a);i>(b);--i)
#define eper(i,a,b) for(signed i=(a);i>=b;--i)
#define fore(i, x, a) for(auto &&x:a) 
#define ITR(i,b,e) for(auto i=(b);i!=(e);++i)
#define pb emplace_back
#define mp make_pair
#define ALL(x) begin(x),end(x)
#define F first
#define S second
#define debug(x)  cout << #x << ": " << (x) << '\n';
const long long INF=1001001001001001001;
const int MOD=(int)1e9 + 7;
const double EPS=1e-9;
using namespace std;
using Pii = pair<int,int>;
using vii = vector<int>;
template<class T>using  PS_queue = priority_queue<T, vector<T>, greater<T> >;
template<class T>using vv = vector<T>;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){fill( (T*)array, (T*)(array+N), val );}
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) {
    ITR(i,begin(v),end(v))os<<*i<<(i==end(v)-1?"":" ");return os;}
template<class T> ostream& operator<<(ostream &os,const vector<vector<T> > &v) {
    ITR(u,begin(v),end(v))ITR(w,begin(*u),end(*u))os<<*w<<(w==end(*u)-1?"\n":" ");return os;}
template<class T> istream& operator>>(istream &is,vector<T> &v) {
    ITR(i,begin(v),end(v)) is>>*i;return is;}
template<class T,class U> istream& operator>>(istream &is, pair<T,U> &p) {
    is>>p.first>>p.second;return is;}
template<class T>T gcd(T a, T b){ return b ? gcd(b, a % b) : a; }
template<class T>T lcm(T a, T b){ return a / gcd(a, b) * b; }
struct edge { int from, to, cost; };
int dy[]={0, 1, -1, 0}; int dx[]={1, 0, 0, -1};
// cout << fixed << setprecision(10) << val;

int L, R;
signed main() {
 cin.tie(0);
 ios::sync_with_stdio(false);
  cin >> L >> R;
  if (R - L + 1 <= 2019)
    return cout << 0 << endl, 0;
  int ans = INF;
  for (int i = L; i <= R; ++i) {
    for (int j = L; j <= R; ++j) {
      if (i != j) ans = min(ans, (i*j)%2019);
    }
  }
  cout << ans << endl;
  return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:55:12: error: expected '}' at end of input
   55 |   return 0;
      |            ^
a.cc:42:15: note: to match this '{'
   42 | signed main() {
      |               ^
Language: C++

#include <bits/stdc++.h>
#define int long long
#define ll long long 
#define rep(i,a,b) for(signed i=a;i<(b);++i)
#define erep(i,a,b) for(signed i=a;i<=(b);++i)
#define per(i,a,b) for(signed i=(a);i>(b);--i)
#define eper(i,a,b) for(signed i=(a);i>=b;--i)
#define fore(i, x, a) for(auto &&x:a) 
#define ITR(i,b,e) for(auto i=(b);i!=(e);++i)
#define pb emplace_back
#define mp make_pair
#define ALL(x) begin(x),end(x)
#define F first
#define S second
#define debug(x)  cout << #x << ": " << (x) << '\n';
const long long INF=1001001001001001001;
const int MOD=(int)1e9 + 7;
const double EPS=1e-9;
using namespace std;
using Pii = pair<int,int>;
using vii = vector<int>;
template<class T>using  PS_queue = priority_queue<T, vector<T>, greater<T> >;
template<class T>using vv = vector<T>;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){fill( (T*)array, (T*)(array+N), val );}
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) {
    ITR(i,begin(v),end(v))os<<*i<<(i==end(v)-1?"":" ");return os;}
template<class T> ostream& operator<<(ostream &os,const vector<vector<T> > &v) {
    ITR(u,begin(v),end(v))ITR(w,begin(*u),end(*u))os<<*w<<(w==end(*u)-1?"\n":" ");return os;}
template<class T> istream& operator>>(istream &is,vector<T> &v) {
    ITR(i,begin(v),end(v)) is>>*i;return is;}
template<class T,class U> istream& operator>>(istream &is, pair<T,U> &p) {
    is>>p.first>>p.second;return is;}
template<class T>T gcd(T a, T b){ return b ? gcd(b, a % b) : a; }
template<class T>T lcm(T a, T b){ return a / gcd(a, b) * b; }
struct edge { int from, to, cost; };
int dy[]={0, 1, -1, 0}; int dx[]={1, 0, 0, -1};
// cout << fixed << setprecision(10) << val;

int L, R;
signed main() {
 cin.tie(0);
 ios::sync_with_stdio(false);
  cin >> L >> R;
  if (R - L + 1 <= 2019)
    return cout << 0 << endl, 0;
  int ans = INF;
  for (int i = L; i <= R; ++i) {
    for (int j = L; j <= R; ++j) {
      if (i != j) ans = min(ans, (i*j)%2019));
    }
  }
  cout << ans << endl;
  return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:51:45: error: expected ';' before ')' token
   51 |       if (i != j) ans = min(ans, (i*j)%2019));
      |                                             ^
      |                                             ;
a.cc:55:12: error: expected '}' at end of input
   55 |   return 0;
      |            ^
a.cc:42:15: note: to match this '{'
   42 | signed main() {
      |               ^
Language: C++

#include <bits/stdc++.h>
#define int long long
#define ll long long 
#define rep(i,a,b) for(signed i=a;i<(b);++i)
#define erep(i,a,b) for(signed i=a;i<=(b);++i)
#define per(i,a,b) for(signed i=(a);i>(b);--i)
#define eper(i,a,b) for(signed i=(a);i>=b;--i)
#define fore(i, x, a) for(auto &&x:a) 
#define ITR(i,b,e) for(auto i=(b);i!=(e);++i)
#define pb emplace_back
#define mp make_pair
#define ALL(x) begin(x),end(x)
#define F first
#define S second
#define debug(x)  cout << #x << ": " << (x) << '\n';
const long long INF=1001001001001001001;
const int MOD=(int)1e9 + 7;
const double EPS=1e-9;
using namespace std;
using Pii = pair<int,int>;
using vii = vector<int>;
template<class T>using  PS_queue = priority_queue<T, vector<T>, greater<T> >;
template<class T>using vv = vector<T>;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){fill( (T*)array, (T*)(array+N), val );}
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) {
    ITR(i,begin(v),end(v))os<<*i<<(i==end(v)-1?"":" ");return os;}
template<class T> ostream& operator<<(ostream &os,const vector<vector<T> > &v) {
    ITR(u,begin(v),end(v))ITR(w,begin(*u),end(*u))os<<*w<<(w==end(*u)-1?"\n":" ");return os;}
template<class T> istream& operator>>(istream &is,vector<T> &v) {
    ITR(i,begin(v),end(v)) is>>*i;return is;}
template<class T,class U> istream& operator>>(istream &is, pair<T,U> &p) {
    is>>p.first>>p.second;return is;}
template<class T>T gcd(T a, T b){ return b ? gcd(b, a % b) : a; }
template<class T>T lcm(T a, T b){ return a / gcd(a, b) * b; }
struct edge { int from, to, cost; };
int dy[]={0, 1, -1, 0}; int dx[]={1, 0, 0, -1};
// cout << fixed << setprecision(10) << val;

int L, R;
signed main() {
 cin.tie(0);
 ios::sync_with_stdio(false);
  cin >> L >> R;
  if (R - L + 1 <= 2019)
    return cout << 0 << endl, 0;
  int ans = INF;
  for (int i = L; i <= R; ++i) {
    for (int j = L; j <= R; ++ j) {
      if (i != j) ans = min(ans, (i*j)%2019));
    }
  }
  cout << ans << endl;
  return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:51:45: error: expected ';' before ')' token
   51 |       if (i != j) ans = min(ans, (i*j)%2019));
      |                                             ^
      |                                             ;
a.cc:55:12: error: expected '}' at end of input
   55 |   return 0;
      |            ^
a.cc:42:15: note: to match this '{'
   42 | signed main() {
      |               ^
Language: C++

#include <bits/stdc++.h>
#define int long long
#define ll long long 
#define rep(i,a,b) for(signed i=a;i<(b);++i)
#define erep(i,a,b) for(signed i=a;i<=(b);++i)
#define per(i,a,b) for(signed i=(a);i>(b);--i)
#define eper(i,a,b) for(signed i=(a);i>=b;--i)
#define fore(i, x, a) for(auto &&x:a) 
#define ITR(i,b,e) for(auto i=(b);i!=(e);++i)
#define pb emplace_back
#define mp make_pair
#define ALL(x) begin(x),end(x)
#define F first
#define S second
#define debug(x)  cout << #x << ": " << (x) << '\n';
const long long INF=1001001001001001001;
const int MOD=(int)1e9 + 7;
const double EPS=1e-9;
using namespace std;
using Pii = pair<int,int>;
using vii = vector<int>;
template<class T>using  PS_queue = priority_queue<T, vector<T>, greater<T> >;
template<class T>using vv = vector<T>;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){fill( (T*)array, (T*)(array+N), val );}
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) {
    ITR(i,begin(v),end(v))os<<*i<<(i==end(v)-1?"":" ");return os;}
template<class T> ostream& operator<<(ostream &os,const vector<vector<T> > &v) {
    ITR(u,begin(v),end(v))ITR(w,begin(*u),end(*u))os<<*w<<(w==end(*u)-1?"\n":" ");return os;}
template<class T> istream& operator>>(istream &is,vector<T> &v) {
    ITR(i,begin(v),end(v)) is>>*i;return is;}
template<class T,class U> istream& operator>>(istream &is, pair<T,U> &p) {
    is>>p.first>>p.second;return is;}
template<class T>T gcd(T a, T b){ return b ? gcd(b, a % b) : a; }
template<class T>T lcm(T a, T b){ return a / gcd(a, b) * b; }
struct edge { int from, to, cost; };
int dy[]={0, 1, -1, 0}; int dx[]={1, 0, 0, -1};
// cout << fixed << setprecision(10) << val;

int L, R;
signed main() {
 cin.tie(0);
 ios::sync_with_stdio(false);
  cin >> L >> R;
  if (R - L + 1 <= 2019)
    cout << 0 << endl;
  int ans = INF;
  rep(i, L, R) rep(j, L, R)
    chmin(ans, i*j % 2019);
  cout << ans << endl;
  return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:50:10: error: no matching function for call to 'chmin(long long int&, int)'
   50 |     chmin(ans, i*j % 2019);
      |     ~~~~~^~~~~~~~~~~~~~~~~
a.cc:25:23: note: candidate: 'template<class T> bool chmin(T&, const T&)'
   25 | template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
      |                       ^~~~~
a.cc:25:23: note:   template argument deduction/substitution failed:
a.cc:50:10: note:   deduced conflicting types for parameter 'const T' ('long long int' and 'int')
   50 |     chmin(ans, i*j % 2019);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
    ll L,R;
    cin>>L>>R;
    if(R>=673)cout<<0;
    else{
        int mi=2018;
        for(int i=L;i<=R;i++){
            for(int j=L;j<=R;j++){
                mi=min(mi,(i*j)%2019);
            }
        }
        cout<<mi;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:16:6: error: expected '}' at end of input
   16 |     }
      |      ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  
  int L,R;
  cin >>L>>R;
  
  if(L/2019!=R/2019) cout << 0 << endl;
  else{
    int a=2020;
  	for(int i=(L%2019); i<=(R%2019); i++){
      (int j=i+1; j<=(R%2019); j++){
    	a=min((i*j)%2019,a);
      }
    }
    cout << a << endl;
  }
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:8: error: expected primary-expression before 'int'
   13 |       (int j=i+1; j<=(R%2019); j++){
      |        ^~~
a.cc:13:8: error: expected ')' before 'int'
   13 |       (int j=i+1; j<=(R%2019); j++){
      |       ~^~~
      |        )
a.cc:13:19: error: 'j' was not declared in this scope
   13 |       (int j=i+1; j<=(R%2019); j++){
      |                   ^