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

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

int main(){
  string S;
  cin >> S;
  int N = S.size();
  vector<int> vec(N);
  rep(i, N){
    vec.at(i) = S.at(i) - '0';
  }
  int64_t ans = 0;
  for(int i=0; i < 672; i++){
    int div = 0;
    for(int j = i; j < N; j++){
      div = (div * 10 + vec.at(j)) % 2019;
      if (div == 0) ans++;
    }
  }
  
  cout << ans << endl;
}


Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include <iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<map>
#include<set>
#include<stack>
#include<queue>
#include<math.h>
using namespace std;
typedef long long ll;
#define int long long
typedef vector<int> VI;
typedef pair<int, int> pii;
typedef priority_queue<int> PQ;
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; }
#define fore(i,a) for(auto &i:a)
#define REP(i,n) for(int i=0;i<n;i++)
#define eREP(i,n) for(int i=0;i<=n;i++)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define eFOR(i,a,b) for(int i=(a);i<=(b);++i)
#define SORT(c) sort((c).begin(),(c).end())
#define rSORT(c) sort((c).rbegin(),(c).rend())
#define LB(x,a) lower_bound((x).begin(),(x).end(),(a))
#define UB(x,a) upper_bound((x).begin(),(x).end(),(a))
#define INF 1000000000
#define LLINF 9223372036854775807
#define mod 1000000007
//vector<vector<int> > dp;
//vector<vector<vector<int> > > vvvi;
//dp=vector<vector<int> >(N, vector<int>(M,0));
//vector<pair<int,int> > v;
//v.push_back(make_pair(x,y));
//priority_queue<int,vector<int>, greater<int> > q2;



signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	
	string S; cin >> S;
  	int P = 2019;
  	int N = S.size();
	if (P == 2) {
		int res = 0;
		REP(i, N) {
			int a = S[i] - '0';
			if (a % 2 == 0)res += (i + 1);
		}
		cout << res << endl;
		return 0;
	}
	if (P == 5) {
		int res = 0;
		REP(i, N) {
			int a = S[i] - '0';
			if (a % 5 == 0)res += (i + 1);
		}
		cout << res << endl;
		return 0;
	}
	int cnt[1000000] = { 0 };

	int ans = 0;
	VI sum(N + 1, 0);
	int po = 1;


	cnt[0]++;

	for (int i = N - 1; i >= 0; i--) {
		int now = (S[i] - '0')*po%P;

		sum[i] = (sum[i + 1] + now) % P;

		po *= 10;
		po %= P;

		ans += cnt[sum[i]];
		cnt[sum[i]]++;

		
	}



	cout << ans << endl;

	return 0;
}



Compiler output:
main.c:1:10: fatal error: iostream: No such file or directory
    1 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.
Language: C

//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
#include <algorithm>
#define rep(i,n) for(int i=0;i<(n);++i)
#define all(a) (a).begin(),(a).end()
using namespace std;
using Graph = vector<vector<int>>;
typedef long long ll;
const int mod= 1e+9+7;

int main(){
    string s; cin>>s;
    ll cnt=0;
    if(s.size()<4){
        cout<<0<<endl;
        return 0;
    }
    for(ll i=0;i<s.size()-3;i++){
        for(ll j=4;j<=s.size()-i;j++){
        if(stoull(s.substr(i,j))%2019==0)cnt++;
        }
    }
    cout<<cnt<<endl;

}





Compiler output:
main.c:2:10: fatal error: bits/stdc++.h: No such file or directory
    2 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < n; ++i)
#define rrep(i, n) for(int i = n-1; i >= 0; --i)
#define fi first
#define se second
using namespace std;
using lint = long long;
using uint = unsigned int;
using ulint = unsigned long long;
using ldouble = long double;
using pii = pair<int, int>;
using pli = pair<lint, lint>;
using pdd = pair<double, double>;
using pld = pair<ldouble, ldouble>;
using v1i = vector<int>;
using v1li = vector<lint>;
using v2i = vector<vector<int>>;
using v2li = vector<vector<lint>>;
using v3i = vector<vector<vector<int>>>;
using v3li = vector<vector<vector<lint>>>;
using v1b = vector<bool>;
using v2b = vector<vector<bool>>;
using v3b = vector<vector<vector<bool>>>;
using v1c = vector<char>;
using v2c = vector<vector<char>>;
using v3c = vector<vector<vector<char>>>;
constexpr lint mod1 = 1e9+7;
constexpr lint mod2 = 998244353;

int main(){
  string s; cin >> s;
  v1i v(n+1, 0), u(2018, 1);
  rep(i, 2017){
    u[i+1] = u[i]*10;
    u[i+1] %= 2019;
  }
  rrep(i, s.size()){
    v[i] = v[i] + u[((int)s.size()-i)%2019]*(s[i]-'0');
    v[i] %= 2019;
  }
  map<int, int> m;
  rep(i, s.size()) m[v[i]]++;
  lint a = 0;
  rep(i, 2019) a += (lint)m[i] * (m[i]-1) / 2;
  if(s.size() < 5) a = 0;
  cout << a << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:9: error: 'n' was not declared in this scope
   32 |   v1i v(n+1, 0), u(2018, 1);
      |         ^
Language: C++

#include <iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<map>
#include<set>
#include<stack>
#include<queue>
#include<math.h>
using namespace std;
typedef long long ll;
#define int long long
typedef vector<int> VI;
typedef pair<int, int> pii;
typedef priority_queue<int> PQ;
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; }
#define fore(i,a) for(auto &i:a)
#define REP(i,n) for(int i=0;i<n;i++)
#define eREP(i,n) for(int i=0;i<=n;i++)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define eFOR(i,a,b) for(int i=(a);i<=(b);++i)
#define SORT(c) sort((c).begin(),(c).end())
#define rSORT(c) sort((c).rbegin(),(c).rend())
#define LB(x,a) lower_bound((x).begin(),(x).end(),(a))
#define UB(x,a) upper_bound((x).begin(),(x).end(),(a))
#define INF 1000000000
#define LLINF 9223372036854775807
#define mod 1000000007
//vector<vector<int> > dp;
//vector<vector<vector<int> > > vvvi;
//dp=vector<vector<int> >(N, vector<int>(M,0));
//vector<pair<int,int> > v;
//v.push_back(make_pair(x,y));
//priority_queue<int,vector<int>, greater<int> > q2;



signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	
	string S; cin >> S;
  	int P = 2019;
	if (P == 2) {
		int res = 0;
		REP(i, N) {
			int a = S[i] - '0';
			if (a % 2 == 0)res += (i + 1);
		}
		cout << res << endl;
		return 0;
	}
	if (P == 5) {
		int res = 0;
		REP(i, N) {
			int a = S[i] - '0';
			if (a % 5 == 0)res += (i + 1);
		}
		cout << res << endl;
		return 0;
	}
	int cnt[1000000] = { 0 };

	int ans = 0;
	VI sum(N + 1, 0);
	int po = 1;


	cnt[0]++;

	for (int i = N - 1; i >= 0; i--) {
		int now = (S[i] - '0')*po%P;

		sum[i] = (sum[i + 1] + now) % P;

		po *= 10;
		po %= P;

		ans += cnt[sum[i]];
		cnt[sum[i]]++;

		
	}



	cout << ans << endl;

	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:48:24: error: 'N' was not declared in this scope
   48 |                 REP(i, N) {
      |                        ^
a.cc:19:32: note: in definition of macro 'REP'
   19 | #define REP(i,n) for(int i=0;i<n;i++)
      |                                ^
a.cc:57:24: error: 'N' was not declared in this scope
   57 |                 REP(i, N) {
      |                        ^
a.cc:19:32: note: in definition of macro 'REP'
   19 | #define REP(i,n) for(int i=0;i<n;i++)
      |                                ^
a.cc:67:16: error: 'N' was not declared in this scope
   67 |         VI sum(N + 1, 0);
      |                ^
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < n; ++i)
#define rrep(i, n) for(int i = n-1; i >= 0; --i)
#define fi first
#define se second
using namespace std;
using lint = long long;
using uint = unsigned int;
using ulint = unsigned long long;
using ldouble = long double;
using pii = pair<int, int>;
using pli = pair<lint, lint>;
using pdd = pair<double, double>;
using pld = pair<ldouble, ldouble>;
using v1i = vector<int>;
using v1li = vector<lint>;
using v2i = vector<vector<int>>;
using v2li = vector<vector<lint>>;
using v3i = vector<vector<vector<int>>>;
using v3li = vector<vector<vector<lint>>>;
using v1b = vector<bool>;
using v2b = vector<vector<bool>>;
using v3b = vector<vector<vector<bool>>>;
using v1c = vector<char>;
using v2c = vector<vector<char>>;
using v3c = vector<vector<vector<char>>>;
constexpr lint mod1 = 1e9+7;
constexpr lint mod2 = 998244353;

int main(){
  string s; cin >> s;
  v1 v(n+1, 0), u(2018, 1);
  rep(i, 2017){
    u[i+1] = u[i]*10;
    u[i+1] %= 2019;
  }
  rrep(i, s.size()){
    v[i] = v[i] + u[((int)s.size()-i)%2019]*(s[i]-'0');
    v[i] %= 2019;
  }
  map<int, int> m;
  rep(i, s.size()) m[v[i]]++;
  lint a = 0;
  rep(i, 2019) a += (lint)m[i] * (m[i]-1) / 2;
  if(s.size() < 5) a = 0;
  cout << a << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:3: error: 'v1' was not declared in this scope; did you mean '__pstl::execution::v1'?
   32 |   v1 v(n+1, 0), u(2018, 1);
      |   ^~
      |   __pstl::execution::v1
In file included from /usr/include/c++/14/pstl/glue_algorithm_defs.h:15,
                 from /usr/include/c++/14/algorithm:86,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/pstl/execution_defs.h:19:18: note: '__pstl::execution::v1' declared here
   19 | inline namespace v1
      |                  ^~
a.cc:34:5: error: 'u' was not declared in this scope
   34 |     u[i+1] = u[i]*10;
      |     ^
a.cc:38:5: error: 'v' was not declared in this scope
   38 |     v[i] = v[i] + u[((int)s.size()-i)%2019]*(s[i]-'0');
      |     ^
a.cc:38:19: error: 'u' was not declared in this scope
   38 |     v[i] = v[i] + u[((int)s.size()-i)%2019]*(s[i]-'0');
      |                   ^
a.cc:42:22: error: 'v' was not declared in this scope
   42 |   rep(i, s.size()) m[v[i]]++;
      |                      ^
Language: C

#include <bits/stdc++.h>
using namespace std;
#define ll long long int
int main() {
	// your code goes here
	ll n,p=2019;
	string s;
	cin>>s;
  n=s.size();
	ll a[n];
	for(ll i=0;i<n;i++)
	{
		a[i]=s[i]-'0';
	}
	map<ll,ll> m;
	m[0]=1;
	ll out=0;
	ll t=0;
	ll ten=1;
	if(p!=2 && p!=5)
	{
	for(ll i=n-1;i>-1;i--)
	{
		t=((t)+(a[i]*ten)%p)%p;
		t=t%p;
		out+=m[t];
		m[t]++;
		ten=(ten*10)%p;
	}
	cout<<out;
	}
	else
	{
		ll out=0;
		for(ll i=0;i<n;i++)
		{
			if(a[i]%p==0)
			{
				out+=i+1;
			}
			
		}
		cout<<out;
	}
	return 0;
}


Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

    #include<bits/stdc++.h>
    using namespace std;
    using ll = long long;
    #define pb push_back
    #define eb emplace_back
    #define mp make_pair
    #define ff first
    #define ss second

    void io(){
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        cout.tie(NULL);
        #ifdef LOCAL
            freopen("input.txt","r",stdin);
            freopen("output.txt","w",stdout);
        #endif
    }
    ll ans;
    int x;
    const int N = 2e5 + 5;
    int main() {
        io();
        string s;
        int n, p;
        cin >> n;
        cin >> s;
        map <int, int> f;
      	p = 2019;
        if(p == 2) {
            for(int i = 0; i < n; i++) {
                if((s[i] - '0') % 2 == 0) {
                    ans += (i + 1);
                }
            }
            cout << ans;
        }
        else if(p == 5) {
            for(int i = 0; i < n; i++) {
                if(s[i] == '5' || s[i] == '0') {
                    ans += (i + 1);
                }
            }
            cout << ans;
        }
        else {
            reverse(s.begin(), s.end());
            int num = 0;
            f[0] = 1;
            int t = 1;
            for(int i = 0; i < n; i++) {
                num = num + t * (s[i] - '0');
                t = t * 10 % p;
                num = num % p;
                f[num]++;


            }          

            for(auto it : f) {

                    ans += ((1LL * it.second * (it.second - 1)) / 2);

            }
            cout << ans;
        }



    }


Compiler output:
main.c:1:13: fatal error: bits/stdc++.h: No such file or directory
    1 |     #include<bits/stdc++.h>
      |             ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
int foo[3005];
 
int main() {
  string s;
  cin>>s;
  s="0"+s;
  f[0]=1;
  long long tmp=0;
  long long ten=1;
  long long ans=0;
  for(int i=s.size();i>=1;i--) {
    tmp=(tmp+(s[i]-'0')*ten)%2019;
    ans+=foo[tmp]++;
    ten=(ten*10)%2019;
  }
  cout<<ans;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'f' was not declared in this scope
    9 |   f[0]=1;
      |   ^
Language: C

#include<iostream>
#include<string>
#include<cstdio>
#include<algorithm>
#include<cstdlib>
#include<cmath>
#include<vector>
#include<utility>
#include<queue>
#include<stack>
#include<set>
#include<map>
#include<unordered_set>
#include<unordered_map>
#include<bitset>
using namespace std;
#define INF 2000000007
#define LINF 100000000000000007
#define MOD 1000000007
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define repb(i, n) for (int i = n - 1; i >= 0; i--)
#define MODE 0
#ifdef MODE
#define DEB(X) cout<< #X <<": "<<X<<" ";
#define ARDEB(i,X) cout<< #X <<"["<<i<<"]: "<<X[i]<<" ";
#define END cout<<endl;
#else
#define DEB(X) {}
#define ARDEB(i,X) {}
#define END {}
#endif
typedef long long ll;
typedef pair<int,int> P;
struct edge{int to,cost;};
int ceil2(int a,int b){if(a%b){return a/b+1;}else{return a/b;}}
using namespace std;

int n,ans;
string s;
int extra[211111];
signed main(){
	cin>>s;
	reverse(s.begin(),s.end());
	int now=0,te=1;
	rep(i,s.size()){
		now=(s[i]-'0')*te+now;
		now%=2019;
		//cout<<s[i];
		extra[i]=now;
		te*=10;
		te%=2019;
	}
	//rep(i,s.size())cout<<i+1<<":"<<extra[i]<<endl;
	int cnt[2300]={0};
	cnt[0]++;
	rep(i,s.size()){
		cnt[extra[i]]++;
	}
	for(int i=0;i<=2019;i++){
		ans+=cnt[i]*(cnt[i]-1)/2;
	}
	cout<<ans<<endl;
}


Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

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

using lli = long long int;

template <class T>ostream &operator<<(ostream &o,const vector<T>&v)
{o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<<v[i];o<<"}";return o;}

template <class T>ostream &operator<<(ostream &o,const pair<T, T>&p)
{o<<"("<<p.first<<", "<<p.second<<")";return o;}

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

const lli MOD = 2019;

lli modpow(lli a, lli n){
    lli res = 1;

    for(lli ai = a; n; n>>=1){
        if(1&n) res = (res*ai)%MOD;
        ai=(ai*ai)%MOD;
    }
    return res;
}

lli inv(lli n){
    return modpow(n, MOD-2);
}

lli modperm(lli n, lli k){
    lli res = 1;
    rep(i, k){
        res = (res*(n-i))%MOD;
    }
    return res;
}

lli modcomb(lli n, lli k){
    return (modperm(n, k)*inv(modperm(k, k)))%MOD;
}

lli posmod(lli n){
    lli res = n;
    res %= MOD;
    if(res < 0) res += MOD;
    return res;
}

string s;
unordered_map<int, int> m;
lli res;

int main(void){
    cin >> s;

    reverse(s.begin(), s.end());
    int r=0;
    rep(i, s.size()){
        r = ((s[i]-'0')*modpow(10, i) + r)%2019;
        m[r]++;
    }

    res = m[0];
    for(auto i : m){
        res += i.second*(i.second-1)/2;
        //cout << i.second << endl;
    }

    cout << res << endl;
    return 0;
}


Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <map>
#define rep(i,n) for(int i=0;i<n;++i)
#define rep1(i,n) for(int i=1;i<=n;++i)
using namespace std;
typedef long long ll;
int main()
{
  int p = 2019;
  string s;cin >> s;
    ll x = 1;
    map<ll,ll> mp;
    ll sum = 0;
    mp[0]++;
    for(int i=n-1;i>=0;i--){
      ll c = s[i] - '0';
      sum = (sum+(c*x)%p)%p;
      mp[sum]++;
      x = (x*10)%p;
    }
    ll res = 0;
    for(auto m:mp){
      res += (m.second-1)*m.second/2;
    }
    cout << res << "\n";

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:15: error: 'n' was not declared in this scope
   18 |     for(int i=n-1;i>=0;i--){
      |               ^
Language: Java

import java.io.IOException;
import java.io.InputStream;

public class D {

    static int length;
    static byte[] bytes = new byte[20000];

    private static void put(int n) {
        System.out.println(n);
    }

    private static void readAllBytes(InputStream in) throws IOException {
        int ch;
        length = 0;
        while ((ch = in.read()) != -1 && Character.isDigit(ch)) {
            bytes[length++] = (byte) (ch - '0');
        }

        //        System.err.print("[");
        //        for (int i = 0; i < length; i++) {
        //            System.err.print(bytes[i]);
        //        }
        //        System.err.println("]");
    }

    public static void main(String[] args) throws IOException {
        readAllBytes(System.in);
        if (length <= 3) {
            put(0);
            return;
        }
        int result = 0;
        for (int i = 0; i < length - 3; i++) {
            int n = bytes[i] * 100 + bytes[i + 1] * 10 + bytes[i + 2];
            //System.err.println();
            //System.err.printf("[%d] %d%n", i, n);
            for (int j = i + 3; j < length; j++) {
                n = (n * 10 + bytes[j]) % 2019;
                //System.err.printf("[%d][%d] %d %d%n", i, j, bytes[j], n);
                if (n == 0) {
                    result++;
                    //System.err.printf("* count: %d%n", result);
                }
            }
        }
        put(result);
    }
}


Compiler output:
Main.java:4: error: class D is public, should be declared in a file named D.java
public class D {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(n);++i)
#define Rep(i,n) for(int i=1;i<=(n);++i)
using LL = long long;
using ULL = unsigned long long;

char s[200123];
LL cnt[2019]{1};

int main()
{
	gets(s);
	int n = strlen(s);
	int temp = 0, base = 1;
	for(int i = n-1; i >= 0; --i) {
		temp = (temp + (s[i] - '0') * base) % 2019;
		++cnt[temp];
		base = base * 10 % 2019;
	}
	LL ans = 0;
	rep(i, 2019) ans += cnt[i] * (cnt[i] - 1) / 2;
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   13 |         gets(s);
      |         ^~~~
      |         getw
Language: C++

#pragma GCC optimize("Ofast",3,"inline")
#include<bits/stdc++.h>
using namespace std;
#define fir first
#define sec second
#define m_p make_pair
#define y1 ygftgfgcdtfgxffgx
#define y2 yfdsesgvtyghftfvv
#define x1 xvyr6cf6fgcfgf676
#define x2 xcr6rfc5r66y6r6fr
#define up_bound upper_bound
#define low_bound lower_bound
#define next_per next_permutation
#define pb push_back
#define i_to_s to_string
typedef priority_queue<int> p_queue;
typedef priority_queue<int, vector<int>, greater<int> > min_p_queue;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
int mon[20]={31,28,31,30,31,30,31,31,30,31,30,31};
ll gcd(ll x,ll y){return ((y==0)?x:gcd(y,x%y));}
ll a,b,n;
string s;
//ll ans;
//inline ll make(int i,int j){
//	int num=0;
//	for(int k=i;k<=j;k++)num=num*10+(s[k]-'0');
//	return num;
//}
//int main(){
//	ios_base::sync_with_stdio(false);
//	cin.tie(0);
////	freopen(".in","r",stdin);
////	freopen(".out","w",stdout);
//	cin>>s;n=s.size();
//	for(int i=0;i<n;i++){
//		int j=i+3;
//		a=b=0;
//		a=make(i,j);
//		j++;
////		cout<<i<<' '<<j<<':';
//		while(j<n){
////			cout<<a<<' ';
//			if(a%2019==0){
//				ans++;//cout<<i<<' '<<j<<'\n';//	cout<<a<<' ';
////				cout<<"++ ";
//				a=0;
//				j+=4;
//				a=(s[j]-'0');
//				if(j>=n){
//					a=2020;
//					break;
//				}
//				continue;
//			}
//			else {
//				a%=2019;
//			}
//			a=a*10+(s[j]-'0');
//			j++;
//		}
//		if((j==n)&&a%2019==0){
//			ans++;//cout<<i<<' '<<j<<'\n';//	cout<<a<<' ';
////			cout<<"++ ";
////			a=0;
////			j+=4;
////			continue;
//		}
////		cout<<'\n';
////		cout<<ans;
//	}
//	cout<<ans;
//	return 0;
//}

int a[200010],ans=0;
string s;
int main()
{
    cin>>s;
    a[0]=1;
    for(int i=s.size()-1,j=1,k=0;i>=0;i--,j=j*10%2019)
    {
        k=(k+(s[i]-'0')*j%2019)%2019;
        ans+=a[k];
        a[k]++;
    }
    cout<<ans;
    return 0;
}


Compiler output:
a.cc:78:5: error: conflicting declaration 'int a [200010]'
   78 | int a[200010],ans=0;
      |     ^
a.cc:24:4: note: previous declaration as 'll a'
   24 | ll a,b,n;
      |    ^
a.cc:79:8: error: redefinition of 'std::string s'
   79 | string s;
      |        ^
a.cc:25:8: note: 'std::string s' previously declared here
   25 | string s;
      |        ^
a.cc: In function 'int main()':
a.cc:83:6: error: invalid types 'll {aka long long int}[int]' for array subscript
   83 |     a[0]=1;
      |      ^
a.cc:87:15: error: invalid types 'll {aka long long int}[int]' for array subscript
   87 |         ans+=a[k];
      |               ^
a.cc:88:10: error: invalid types 'll {aka long long int}[int]' for array subscript
   88 |         a[k]++;
      |          ^
Language: C

//#include "bits/stdc++.h"

#define _USE_MATH_DEFINES
#include<cstdio>
#include <cstring>
#include <cmath>
#include <cstdlib>
#include <deque>
#include <algorithm>
#include <functional>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include <iterator>
#include<iomanip>
#include<unordered_set>
#include<unordered_map>
#include<bitset>
#include<complex>

using namespace std;

#define rep(i,a,b) for(int i=(a), i##_len=(b);i<i##_len;i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(c) begin(c),end(c)

//#define int ll
#define SZ(x) ((int)(x).size())
#define pb push_back
#define mp make_pair

//typedef unsigned long long ull;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ll, int> pli;
typedef pair<double, double> pdd;
typedef vector< vector<int> > mat;

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

const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD =  (int)1e9 + 7;
const double EPS = 1e-9;

signed main()
{
	cin.tie(0);
	ios::sync_with_stdio(false);

	string S;
	cin >> S;
	map<int, int> vmap;

	int b = 1;
	int sum = 0;
	vmap[0] = 1;
	rrep(i, 0, SZ(S))
	{
		sum = (sum + (S[i] - '0')*b) % 2019;
		b = (b * 10) % 2019;
		vmap[sum]++;
	}

	int ans = 0;
	for (auto v : vmap)
	{
		ans += v.second * (v.second - 1) / 2;
	}

	cout << ans << endl;

	return 0;
}

Compiler output:
main.c:4:9: fatal error: cstdio: No such file or directory
    4 | #include<cstdio>
      |         ^~~~~~~~
compilation terminated.
Language: C

// Multiple of 2019
#include <bits/stdc++.h>
#include <string>
using namespace std;

int main(){
    string s;
    cin >> s;
    
    int ans=0;
    int k=4;
    for(int i=0; i<s.size()-4; i++){
        
        
        for(int r=0; r<s.size()-k+1; r++){
            string t=s.substr(r, k);
            
        int num=atoi(t.c_str());
        //cout << t <<" ";
        //cout << num << " " << num%2019 << endl;
        if(num%2019==0){
            ans++;
        }
        }
        k++;


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

Compiler output:
main.c:2:10: fatal error: bits/stdc++.h: No such file or directory
    2 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
  int i, j;
  long int result = 0;
  char s[1][200001];
  
  scanf("%s", s[0]);
  
  for( i = 0; s[0][i] != '\0' ; i++ ){
       int sum = s[0][i] - '0';
    for( j = i+2; s[0][j] != '\0'; j++ ){
        long int sum += (sum * 9) + s[0][j] - '0';
            if( sum % 2019 == 0 ){
                result++;
            }
    }
  }
  
  printf("%d\n", result);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before '+=' token
   15 |         long int sum += (sum * 9) + s[0][j] - '0';
      |                      ^~
main.c:15:22: error: expected expression before '+=' token
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
  int i, j, result = 0;
  char s[1][200001];
  
  scanf("%s", s[0]);
  
  for( i = 0; s[0][i] != '\0' ; i++ ){
      long long int sum = s[0][i] - '0';
    for( j = i+2; s[0][j] != '\0'; j++ ){
        long int sum += (sum * 9) + s[0][j] - '0';
            if( sum % 2019 == 0 ){
                result++;
            }
    }
  }
  
  printf("%d\n", result);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before '+=' token
   14 |         long int sum += (sum * 9) + s[0][j] - '0';
      |                      ^~
main.c:14:22: error: expected expression before '+=' token
Language: C++

#pragma GCC target("avx512f,avx512dq,avx512cd,avx512bw,avx512vl")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
int main(){
  string S;
  long N;
  int p, Ans=0;
  cin >> S;
  for(int i=0,i<=S.length()-3;i++){
    for(int j=3;p=j;j++){
      for(int k=i;N=0,i+j!=k;p--,k++){
        N+=S[k]*pow(10, j)/10
      }
      if(N%2019==0)
        Ans++;
    }
  }
  cout << Ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: expected ';' before '<=' token
   11 |   for(int i=0,i<=S.length()-3;i++){
      |                ^~
      |                ;
a.cc:11:16: error: expected primary-expression before '<=' token
   11 |   for(int i=0,i<=S.length()-3;i++){
      |                ^~
a.cc:14:30: error: expected ';' before '}' token
   14 |         N+=S[k]*pow(10, j)/10
      |                              ^
      |                              ;
   15 |       }
      |       ~
Language: Java

import java.util.*;
import java.io.PrintWriter;
public class Main{
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		String s=sc.next();
		HashMap<Integer,Integer> map=new HashMap<>();
		int tmp=0;
		int ten=1;
		for(int i=s.length()-1; i>=0; i--){
			tmp=(tmp+(s.charAt(i)-'0')*ten)%2019;
			if(map.containsKey(tmp)){
				map.put(tmp,map.get(tmp)+1);
			}else{
				map.put(tmp,1);
			}
			ten=ten*10%2019;
		}
		long ans=0;
		for(int i=1; i<2019; i++){
			if(map.get(i)!=null){
				ans+=(long)(map.get(i)*(map.get(i)-1)/2);
			}
		}
		if(map.get(0)!=null){
			ans+=map.get(0);
			ans+=map.get(0)*(map.get(0)-1)/2
		}
		System.out.println(ans);
	}
}


Compiler output:
Main.java:27: error: ';' expected
			ans+=map.get(0)*(map.get(0)-1)/2
			                                ^
1 error
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#include <boost/multiprecision/cpp_int.hpp>


using namespace std;
namespace mp = boost::multiprecision;
int main() {
  cpp_int n,m,sum=0,flag=0,num=0,ans=0;
  cin>>n;
  m=n;
  while(m>0){
    m/=10;
    flag++;
  }
  
  m=n;
  
  for(long long j=flag; j>=3; j--){
    long long a=1000;
    while(m/a>0){
      a*=10;
      num=m%a;
      if(num%2019==0)
        ans++;
      
    }
    m/=10;
    
  }
      
  
    
  cout<<ans<<endl;
  
  
  
  
}

Compiler output:
a.cc:3:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    3 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

int keta(int n) {
    int res;
    for(int i = 0; i < 100; i++) {
        n = n / 10;

        if(n == 0) {
            res = i + 1;
            break;
        }
    }
    return res;
}
vector<int> find_all(const string str, const string subStr) {
    vector<int> result;
 
    int subStrSize = subStr.size();
    int pos = str.find(subStr);
 
    while (pos != string::npos) {
        result.push_back(pos);
        pos = str.find(subStr, pos + subStrSize);
    }
 
    return result;
}
int main() {
    string s;
    cin >> s;
    ll cnt = 0;
    REP(i, 100000) {
        cnt += s.find_all(s,to_string(2019 * i)).size();
    }
    cout << cnt << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:37:18: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'find_all'
   37 |         cnt += s.find_all(s,to_string(2019 * i)).size();
      |                  ^~~~~~~~
Language: C

#include <iostream>
#include <iomanip>
#include <vector>
#include <set>
#include <string>
#include <queue>
#include <algorithm>
#include <map>
#include <cmath>
#include <numeric>
#include <list>
#include <stack>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <tuple>

#define rep(i, n) for (int i = 0; i < (n); i++)
#define rep1(i, n) for (int i = 1; i <= (n); i++)
#define show(a, n) rep(i,n) {cout<<a[i]<<' ';} cout<<endl
#define show2(a, n, m) rep(i, n) { rep(j, m) {cout << a[i][j] << ' ';} cout << endl;} 
#define chmin(a, b) a = min(a, b)
#define chmax(a, b) a = max(a, b)

using namespace std;
typedef vector<int> vi;
typedef pair<int, int> pii;
typedef long long ll;
typedef vector<ll> vll;
typedef pair<long long, long long> pll;
typedef long double ld;

const int INF = 1 << 30;
const long long INFL = 1LL << 60;
const int MAX = 100000;
const int N = 100010;

const int MOD = 2019;
struct mint {
	ll x;
	mint(ll x=0):x((x%MOD+MOD)%MOD){}
	mint operator-() const { return mint(-x);}
	mint& operator+=(const mint a) {if ((x+=a.x)>=MOD) x-=MOD; return *this;}
	mint& operator-=(const mint a) {if ((x+=MOD-a.x)>=MOD) x-=MOD; return *this;}
	mint& operator*=(const mint a) {(x*=a.x)%=MOD; return *this;}
	mint operator+(const mint a) const {mint res(*this); return res+=a;}
	mint operator-(const mint a) const {mint res(*this); return res-=a;}
	mint operator*(const mint a) const {mint res(*this); return res*=a;}
	mint pow(ll t) const {
		if (!t) return 1;
		mint a = pow(t>>1);
		a *= a;
		if (t&1) a *= *this;
 		return a;
	}

	// for prime mod
	mint inv() const { return pow(MOD-2);}
	mint& operator/=(const mint a) { return (*this) *= a.inv();}
	mint operator/(const mint a) const {mint res(*this); return res/=a;}
};

int main() {
//	cout << fixed << setprecision(15);
	string s;
	cin >> s;
	map<ll, int> mp;
	ll ans = 0;
	mint base = 1;
	mint comp = 0;
	mp[comp.x]++;
	rep(i, s.size()) {
		mint x = (s[i] - '0');
		comp -= x * base;
		base *= mint(202);
		ans += mp[comp.x];
		mp[comp.x]++;
	}
	cout << ans << endl;
}


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

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#include <boost/multiprecision/cpp_int.hpp>

namespace mp = boost::multiprecision;
using namespace std;

int main() {
  cpp_int n,m,sum=0,flag=0,num=0,ans=0;
  cin>>n;
  m=n;
  while(m>0){
    m/=10;
    flag++;
  }
  
  m=n;
  
  for(long long j=flag; j>=3; j--){
    long long a=1000;
    while(m/a>0){
      a*=10;
      num=m%a;
      if(num%2019==0)
        ans++;
      
    }
    m/=10;
    
  }
      
  
    
  cout<<ans<<endl;
  
  
  
  
}

Compiler output:
a.cc:3:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    3 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define aint(x) (x).begin(),(x).end()

int main(){
    int n,m,i,j,k;
    string s;
    int ans=0,amari;

    cin>>s;

    for(i=0;i<static_cast<int>(s.length())-4;i++){
        amari=stoi(s.substr(i,4))/2019;
        if(amari==0) ans++;
        for(j=i+4;j<static_cast<int>(s.length());j++){
            amari=amari*10+stoi(s[j]);
            if(amari==0) ans++;
        }
    }
    cout<<ans;


    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:16:32: error: no matching function for call to 'stoi(__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type&)'
   16 |             amari=amari*10+stoi(s[j]);
      |                            ~~~~^~~~~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:4164:3: note: candidate: 'int std::__cxx11::stoi(const std::string&, std::size_t*, int)'
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4164:22: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::string&' {aka 'const std::__cxx11::basic_string<char>&'}
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:4432:3: note: candidate: 'int std::__cxx11::stoi(const std::wstring&, std::size_t*, int)'
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4432:23: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::wstring&' {aka 'const std::__cxx11::basic_string<wchar_t>&'}
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~~^~~~~
Language: C++

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

int main(){
    string S;
    cin>>S;
   /* int s=S;
    for(int i=1; i<6;i++){
        s=S/(10^i);
        if(s==0){
            s=i;
            break;
        }
        if(i==5){
            s=6;
        }
    }*/
    int count=0;
    int num;
    string x;
    for(int i=0;i<S.size()-3;i++){
        for(int j=1;j<S.size();j++){
            x=S.substr(i,j)
            num=atoi(x);
            if(num%2019==0){
                count++;
            }
        }
    }
    cout<<count<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:28: error: expected ';' before 'num'
   23 |             x=S.substr(i,j)
      |                            ^
      |                            ;
   24 |             num=atoi(x);
      |             ~~~
Language: C

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

int main() {
    string a;
    cin >> a;
    ll s = stoll(a);
    cout << s << endl;
    ll b = a.size();//aの桁数
    ll count = 0;

    for (int i = 0; i < 2000100; i++) {
        ll t=s;
        while(t>2000) {
           if(t%2019==0) count++;
           t /= 10;
        }
        ll x = 1;
        for (int j = 0; j < b-1; j++) {
            x *= 10;
        }
        s %= x;
        b--;
    }
    cout << count << endl;
}

Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
    string s; cin >> s;
    int64_t cnt=0,l = s.size();
    for(int64_t idx=0;idx<l-4;idx++){
        string tmps =""; int64_t tmp=0;
        for(int64_t idx2=4;idx+idx2<=l;idx2++){
//            int64_t tmp = stoll(s.substr(idx,idx2));
            if(tmps == "") tmp = stoll(s.substr(idx,4));
            else tmp = tmp*10+ stoll(s.at(idx+idx2-1));
            
            if(tmp%2019 == 0) cnt++;
            tmp = tmp%2019;
            
        }
    }
    cout << cnt << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:37: error: no matching function for call to 'stoll(__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type&)'
   11 |             else tmp = tmp*10+ stoll(s.at(idx+idx2-1));
      |                                ~~~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:4180:3: note: candidate: 'long long int std::__cxx11::stoll(const std::string&, std::size_t*, int)'
 4180 |   stoll(const string& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~~
/usr/include/c++/14/bits/basic_string.h:4180:23: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::string&' {aka 'const std::__cxx11::basic_string<char>&'}
 4180 |   stoll(const string& __str, size_t* __idx = 0, int __base = 10)
      |         ~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:4447:3: note: candidate: 'long long int std::__cxx11::stoll(const std::wstring&, std::size_t*, int)'
 4447 |   stoll(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~~
/usr/include/c++/14/bits/basic_string.h:4447:24: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::wstring&' {aka 'const std::__cxx11::basic_string<wchar_t>&'}
 4447 |   stoll(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |         ~~~~~~~~~~~~~~~^~~~~
Language: C++

#include <iostream> // cout, endl, cin
#include <vector> // vector
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound

using namespace std;

int main() {
string S;
  string M = "";
  int ans = 0;
   int num;
  
  cin >> S;
  for(int j = 0; j < S.size(); j++){
    for(int i = 0; i < j; i++){
      M += S.at(i);

    num = stoi(M);
  
        if(num  % 2019 == 0){
          ans += 1;
        }
      
   
  }
cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:2: error: expected '}' at end of input
   27 | }
      |  ^
a.cc:7:12: note: to match this '{'
    7 | int main() {
      |            ^
Language: Java

import java.util.*;

public class MainB {

	public static void main(String[] args) {
			
		Scanner sc = new Scanner(System.in);
		String ss = sc.next();
		String s = new String(ss);
		int ans = 0;
		for (int i = 0; i < s.length(); i++) {
			for (int j = i+4; j < s.length(); j++) {
				if (j - i > 18)
					continue;
				String sub = s.substring(i, j+1);			
				if (Long.parseLong(sub) % 2019 == 0)
					ans++;
			}
		}
		System.out.println(ans);
	}
}

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

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		sc.close();
		int max = S.length();
		int count = 0;
		for(int i = 0; i < max; i++) {
			for(int j = i + ５; j < max; j++) {
				long check = Long.parseLong(S.substring(i, j));
				if(check % 2019 == 0) {
					count++;
				}
			}
		}
		System.out.println(count);
	}

}

Compiler output:
Main.java:12: error: illegal non-ASCII digit
			for(int j = i + ?; j < max; j++) {
			                ^
1 error
Language: C++

#include <iostream>
#include <vector>
#include <utility>
#include <map>
#include <algorithm>
#include <queue>
#include <cmath>
#include <sstream>

using namespace std;
long long ctoi(const char c){
  if('0' <= c && c <= '9') return (c-'0');
  return -1;
}

int main() {
	string s, mult;
	cin >> s;
	long long mult_num=0, cnt=0;
	for (long long i=0; i<s.size()-1; i++) {
		for (long long j=i; j<s.size(); j++) {
			long long num = ctoi(s[j]);
			mult_num = mult_num*10 + num;
			cout << mult_num << endl;
			if (mult_num >= 2019 && mult_num % 2019 == 0){
				cnt++;
				mult_num = num;
				cout << "cnt++" << endl;
			}
		}
		mult_num = "";
	}

	cout << cnt << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:28: error: invalid conversion from 'const char*' to 'long long int' [-fpermissive]
   31 |                 mult_num = "";
      |                            ^~
      |                            |
      |                            const char*
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<(n); i++)
#define repr(i,x,n) for(int i=x; i<(n); i++)
#define ALL(x) (x).begin(),(x).end()
#define INF 1e9
typedef long long ll;
using VI = vector<int>;
using VS = vector<string>;
using graph = vector<vector<int>>;
int main()
{int s;
cin>>s;

int a=s+3,b=s-3,num=0,ans=0;
num=(s*s+5*s)/2+3;
for (int i = 0; i < b; i++)
{
    for (int j = i+3; j < s; j++)
    {string o=(s.begin(i),s.begin(j))
int x=stoi(o)
if (x%2019==0)
{
    ans++;
}

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

Compiler output:
a.cc: In function 'int main()':
a.cc:20:18: error: request for member 'begin' in 's', which is of non-class type 'int'
   20 |     {string o=(s.begin(i),s.begin(j))
      |                  ^~~~~
a.cc:20:29: error: request for member 'begin' in 's', which is of non-class type 'int'
   20 |     {string o=(s.begin(i),s.begin(j))
      |                             ^~~~~
a.cc:27:5: error: expected ',' or ';' before '}' token
   27 |     }
      |     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define aint(x) (x).begin(),(x).end()
using int=long long;

int main(){
    int n,m,i,j,k;
    string s;
    int ans=0,amari;

    cin>>s;

    for(i=0;i<static_cast<int>(s.length())-4;i++){
        amari=stoi(s.substr(i,4))/2019;
        if(amari==0) ans++;
        for(j=i+4;j<static_cast<int>(s.length());j++){
            amari=amari*10+stoi(s[j]);
            if(amari==0) ans++;
        }
    }
    cout<<ans;


    return 0;
}



Compiler output:
a.cc:4:7: error: expected nested-name-specifier before 'int'
    4 | using int=long long;
      |       ^~~
a.cc: In function 'int main()':
a.cc:17:32: error: no matching function for call to 'stoi(__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type&)'
   17 |             amari=amari*10+stoi(s[j]);
      |                            ~~~~^~~~~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:4164:3: note: candidate: 'int std::__cxx11::stoi(const std::string&, std::size_t*, int)'
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4164:22: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::string&' {aka 'const std::__cxx11::basic_string<char>&'}
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:4432:3: note: candidate: 'int std::__cxx11::stoi(const std::wstring&, std::size_t*, int)'
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4432:23: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::wstring&' {aka 'const std::__cxx11::basic_string<wchar_t>&'}
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~~^~~~~
Language: C

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

#include <boost/multiprecision/cpp_int.hpp>
namespace mp = boost::multiprecision;
using BigInt = mp::cpp_int;

int main()
{
  string s;
  cin >> s;
  int r = 0;

  for (int i = 0; i < s.length(); i++)
  {
    for (int j = i + 4; j < s.length(); j++)
    {
      if(BigInt(s.substr(i, j - i + 1)) % 2019==0){
        r++;
      }
    }
  }
  cout << r << endl;
}


Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
	int L,cnd=0;
	string S;
	cin >> S;
	L = S.size();
	for(int i = 0;i<L;i++){
		int M=0;
		for(int j = i;j<L;j++){
			char chal = S.at(j);
			int d = stoi(chal);
			M = M*10;
			M = M + d;

			d = M%2019;
cout << d << endl;
			if(d==0)
				cnd++;
		}
		M = 0;
	}
	
	cout << cnd<< endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:37: error: no matching function for call to 'stoi(char&)'
   13 |                         int d = stoi(chal);
      |                                 ~~~~^~~~~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:4164:3: note: candidate: 'int std::__cxx11::stoi(const std::string&, std::size_t*, int)'
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4164:22: note:   no known conversion for argument 1 from 'char' to 'const std::string&' {aka 'const std::__cxx11::basic_string<char>&'}
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:4432:3: note: candidate: 'int std::__cxx11::stoi(const std::wstring&, std::size_t*, int)'
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4432:23: note:   no known conversion for argument 1 from 'char' to 'const std::wstring&' {aka 'const std::__cxx11::basic_string<wchar_t>&'}
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~~^~~~~
Language: C++

#include <iostream>
using namespace std;
int main() {
  
  string a;
  long long n;
  long long count=0;
  cin >> a;
  n=a.length();
  long long dp[n][2019];
  memset(dp, 0, sizeof(dp));
  for (long long i = 0; i < n; i++) {
    dp[i][(long long)(a[i]-'0')]+=1;
    for (long long j=0; j<2019;j++){
    dp[i][(10*j+(long long)(a[i]-'0'))%2019]+=dp[i-1][j];
    }
    count+=dp[i][0];
		//cout <<  i << "\n"; // 0 1 2が出力される
    //cout << dp[i][1] << endl;
	}
  //cout << (int)(a[1]- '0') << endl;
  cout << count << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 'memset' was not declared in this scope
   11 |   memset(dp, 0, sizeof(dp));
      |   ^~~~~~
a.cc:2:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | using namespace std;
Language: C++

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

int main() {
  string S;
  cin >> S;
  int C;
  C = 0;
  
  for (int i = 0; i < S.size() - 1; i++) {
    for (int j = i + 1; j < S.size(); j++) {
      string SS = S.substr(i, j);
      long T = strtol(SS, 0, 10); // 数値に変換
      if (T % 2019 == 0) {
        C = C + 1;
      }
    }
  }
  
  cout << C;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:23: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
   14 |       long T = strtol(SS, 0, 10); // 数値に変換
      |                       ^~
      |                       |
      |                       std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:1:
/usr/include/stdlib.h:177:48: note:   initializing argument 1 of 'long int strtol(const char*, char**, int)'
  177 | extern long int strtol (const char *__restrict __nptr,
      |                         ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~