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

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

using namespace std;

int main(int argc, char **argv)
{
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        int n, l;
        cin >> n >> l;
        int s = 0, m = INT_MAX;
        for (int i = 0; i < n; i++) {
                int d = l + i;
                if (abs(d) < abs(m))
                        m = d;
                s += d;
        }
        cout << s - m << endl;
        return 0;
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:14:24: error: 'INT_MAX' was not declared in this scope
   14 |         int s = 0, m = INT_MAX;
      |                        ^~~~~~~
a.cc:5:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    4 | #include <numeric>
  +++ |+#include <climits>
    5 |
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);
const ll mod=1e9 + 7;
ll power(ll a,ll n)
{
        ll ans=1;
        a=a%mod;
        while(n>0)
        {
                if(n%2==1)
                {
                        ans=(ans*a)%mod;
                }
                n=n/2;
                a=(a*a)%mod;
        }
        return ans;
}

int main()
{
    ll n,l;
    cin>>n>>l;
    sum=0;
    for(int i=1;i<=n;i++)
    {
       sum=sum+(l+i-1);
    }
    int diff=0;
    for(int i=1;i<=n;i++)
    {
      int z=(l+i-1);
      if(sum-z > diff)
      {
        diff=sum-z;
      }
    }
    cout<<sum;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:5: error: 'sum' was not declared in this scope
   31 |     sum=0;
      |     ^~~
Language: C++

#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
#include <numeric>
#include <queue>
#include <deque>

using namespace std;
using ll = long long int;

int main(){
    ll N, L;
    cin >> N >> L;
    ll sum = 0;
    for(ll i = 0; i < N) {
        sum = L + i;
    }
    if(N >= 0){
        sum -= N;
    }else if(L + N - 1 <= 0){
        sum -= (L + N - 1);
    }
    cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:24: error: expected ';' before ')' token
   16 |     for(ll i = 0; i < N) {
      |                        ^
      |                        ;
Language: C++

#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
#include <numeric>
#include <queue>
#include <deque>

using namespace std;
using ll = long long int;

int main(){
    ll N, L;
    cin >> N >> L;
    ll sum = 0;
    for(ll i = 0; i < N) {
        sum = L + i;
    }
    if(N >= 0){
        sum -= N;
    }else if(L + N - 1 <= 0){
        sum -= (L + N - 1)
    }
    cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:24: error: expected ';' before ')' token
   16 |     for(ll i = 0; i < N) {
      |                        ^
      |                        ;
a.cc:22:27: error: expected ';' before '}' token
   22 |         sum -= (L + N - 1)
      |                           ^
      |                           ;
   23 |     }
      |     ~
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<map>
#include<set>
#include<cstdio>
#include<cmath>
#include<numeric>
#include<queue>
#include<stack>
#define repp(i,a,b) for(int i=(int)a;i<(int)b;++i)
#define repm(i,a,b) for(int i=(int)a;i>(int)b;--i)
using ll=long long;
static const ll mod=1e9+7;
static const ll INF=1LL<<50;
using namespace std;

int main() {
	int n,l;
  cin>>n>>l;
  vector<int>v;
  repp(i,0,n)v.push_back(l-1+i);
  int sum=0;
  repp(i,0,n)sum+=v[i];
  int sub=0,minv=500;
  repp(i,0,n)if(abs(v[i]<minv){minv=abs(v[i]);sub=v[i];}
  cout<<sum-sub<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:31: error: expected ';' before '{' token
   27 |   repp(i,0,n)if(abs(v[i]<minv){minv=abs(v[i]);sub=v[i];}
      |                               ^
      |                               ;
a.cc:28:22: error: expected ')' before ';' token
   28 |   cout<<sum-sub<<endl;
      |                      ^
      |                      )
a.cc:27:16: note: to match this '('
   27 |   repp(i,0,n)if(abs(v[i]<minv){minv=abs(v[i]);sub=v[i];}
      |                ^
Language: C++

#include <bits/stdc++.h>
#include<algorithm>
#include<math.h>
#include<string>
#include<iostream>
#include <vector>
#include <cstdlib>
using namespace std;
 
template <class T> using V = vector<T>;

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 long long INF = 1LL << 60;
 
using ll = long long;
using db = double;
using st = string;
using ch = char;
using bl = bool;
using vll = V<ll>;
using vpll =V<pair<ll,ll>>;
using vst = V<st>;
using vdb = V<db>;
using vch = V<ch>;
using vbl = V<bl>;
 
 
#define FOR(i,a,b) for(ll i=(a);i<(b);i++)
#define rFOR(i,a,b) for(ll i=(a);i>(b);i--)
#define oFOR(i,a,b) for(ll i=(a);i<(b);i+=2)
#define bgn begin()
#define en end()
#define SORT(a) sort((a).bgn,(a).en)
#define REV(a) reverse((a).bgn,(a).en)
#define M(a,b) max(a,b)
#define rM(a,b) min(a,b)
#define fi first
#define se second
#define sz size()
#define gcd(a,b) __gcd(a,b)
#define co(a) cout<<a<<endl;
#define ci(a) cin>>a;
 
 
ll sum(ll n) {
  ll m=0;
  FOR(i,0,20){
    m+=n%10;
    n/=10;
    if(n==0){
      break;
    }
  }
  return m;
}
 
 
ll combi(ll n,ll m) {
  ll ans=1;
  rFOR(i,n,n-m){
    ans*=i;
  }
  FOR(i,1,m+1){
    ans/=i;
  }
  return ans;
}
 
 
ll lcm(ll a,ll b){
  ll n;
  n=a/gcd(a,b)*b;
  return n;
}
 
 
/****************************************\
| Thank you for viewing my code:)        |
| Written by RedSpica a.k.a. RanseMirage |
| Twitter:@asakaakasaka                  | 
\****************************************/
 
 
signed main() {
  ll n,k;
  ci(n>>k);
  vll A(n);
  ll a=0
  FOR(i,0,n){
    A[i]+=k+i;
    a+=A[i];
  }
  ll ans=a;
  FOR(i,0,n){
    ans=min(ans,abs(a-A[i]));
  }
  co(ans)
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:20: error: expected ',' or ';' before 'for'
   42 | #define FOR(i,a,b) for(ll i=(a);i<(b);i++)
      |                    ^~~
a.cc:103:3: note: in expansion of macro 'FOR'
  103 |   FOR(i,0,n){
      |   ^~~
a.cc:103:7: error: 'i' was not declared in this scope
  103 |   FOR(i,0,n){
      |       ^
a.cc:42:33: note: in definition of macro 'FOR'
   42 | #define FOR(i,a,b) for(ll i=(a);i<(b);i++)
      |                                 ^
Language: C++

#include <vector>
#include <iostream>
#include <cmath>
#include <map>
#include <unordered_map>
#include <algorithm>
#include <fstream>
#include <unistd.h>
#include <string>
#include <numeric>
#include <queue>
#include <deque>
#include <sstream>
#include <iomanip>
#include <set>
#include <stack>
#include <cassert>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<vvl> vvvl;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<bool> vb;
typedef vector<vector<bool>> vvb;
typedef vector<vvb> vvvb;
typedef vector<vvvb> vvvvb;
typedef vector<string> vs;
typedef vector<vs> vvs;
typedef vector<vvs> vvvs;
typedef vector<char> vc;
typedef vector<vector<char>> vvc;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<vvd> vvvd;
typedef pair<int, int> P;
typedef pair<ll, ll> PL;
typedef vector<P> vp;
typedef vector<PL> vpl;
typedef vector<vector<P>> vvp;
typedef vector<vector<PL>> vvpl;
const int INF = 1001001001;
const ll LINF = 1e17;
const double pi = 3.1415926535897932;
const string endstr = "\n";
#define FOR(i, a, b) for(ll i = (a); i < b; i++)
#define RFOR(i, a, b) for(ll i = (a); i > b; i--)
#define REP(i, n) for(ll i = 0; i < n; i++)
#define RREP(i, n) for(ll i = n-1; i > -1; i--)
#define FORMAP(it, m) for(auto it = m.begin(); it != m.end(); it++)
#define ff first
#define ss second
#define pb push_back
#define epb emplace_back

template <typename T>
T gcd(T a, T b) {
    return (a == 0) ? b : gcd(b%a, a);
}
template <typename T>
T lcm(T a, T b) {
    return a / gcd(a, b) * b;
}

bool p_comp_fs(const PL p1, const PL p2){ return p1.first < p2.first;};
bool p_comp_fg(const PL p1, const PL p2){ return p1.first > p2.first;};
bool p_comp_ss(const PL p1, const PL p2){ return p1.second < p2.second;};
bool p_comp_sg(const PL p1, const PL p2){ return p1.second > p2.second;};
template <typename T>
vector<T> uniquen(vector<T> vec){
    vec.erase(unique(vec.begin(), vec.end()), vec.end());
    return vec;
}


int main(){.rdbuf());
    // debug end //
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    ll N, L; cin >> N >> L;
    ll idx = -1, abs_min = LINF, sum = 0;
    REP(i, N){
        ll now = L+i; sum += now;
        if(abs(now) < abs_min){
            abs_min = abs(now);
            idx = i;
        }
    }
    cout << sum - (L+idx) << endstr;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:78:12: error: expected primary-expression before '.' token
   78 | int main(){.rdbuf());
      |            ^
Language: C++

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

int main(){
    int n, l, i, a = 999999;
    cin >> n >> l;
    for(i=0; i<n; i++){
        a = min(a, abs(l+1));
    }
    cout << n(n+1)/2 - n*(n-1)/2 - a;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: 'n' cannot be used as a function
   10 |     cout << n(n+1)/2 - n*(n-1)/2 - a;
      |             ~^~~~~
Language: C++

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

int main(){
    int n, l, i, a == 999999;
    cin >> n >> l;
    for(i=0; i<n; i++){
        a = min(a, abs(l+1));
    }
    cout << n(n+1)/2 - n*(n-1)/2 - a;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:20: error: expected initializer before '==' token
    5 |     int n, l, i, a == 999999;
      |                    ^~
a.cc:8:9: error: 'a' was not declared in this scope
    8 |         a = min(a, abs(l+1));
      |         ^
a.cc:10:14: error: 'n' cannot be used as a function
   10 |     cout << n(n+1)/2 - n*(n-1)/2 - a;
      |             ~^~~~~
a.cc:10:36: error: 'a' was not declared in this scope
   10 |     cout << n(n+1)/2 - n*(n-1)/2 - a;
      |                                    ^
Language: Java

import java.util.*;
 
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long low = sc.nextLong();
    long high = sc.nextLong();
    long a = sc.nextLong();
    long b = sc.nextLong();
    int count = 0;
    for(long i = low;i <= high;i++){
      if((i % a != 0) && (i % b != 0)){
        count++;
      }
    }

Compiler output:
Main.java:15: error: reached end of file while parsing
    }
     ^
1 error
Language: Java

import java.util.*;
 
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long low = sc.nextLong();
    long high = sc.nextLong();
    long a = sc.nextLong();
    long b = sc.nextLong();
    int count = 0;
    for(int i = low;i <= high;i++){
      if((i % a != 0) && (i % b != 0)){
        count++;
      }
    }
    System.out.println(count);
  }
}

Compiler output:
Main.java:11: error: incompatible types: possible lossy conversion from long to int
    for(int i = low;i <= high;i++){
                ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define INF 1e9+7
typedef long long int ll;
const int maxn = 100000;
ll mod = INF;
ll a,b,c,d;
ll ans=0;
ll lcm;

ll gcd(ll a,ll b){
    if(a<b)swap(a,b);
    if(b==0)return a;
    else return gcd(b,a%b);
}

int main(){
    
    cin >> a>>b>>c>>d;
    lcm=c*d/gcd(c,d);
    ans=b-a+1;
    ans-=(b/c-(a-1)/c)+(b/d-(a-1)/d)-(b/lcm-(a-1)/lcm);

    cout << ans<<endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: reference to 'lcm' is ambiguous
   20 |     lcm=c*d/gcd(c,d);
      |     ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58,
                 from a.cc:1:
/usr/include/c++/14/numeric:188:5: note: candidates are: 'template<class _Mn, class _Nn> constexpr std::common_type_t<_Mn, _Nn> std::lcm(_Mn, _Nn)'
  188 |     lcm(_Mn __m, _Nn __n) noexcept
      |     ^~~
a.cc:9:4: note:                 'll lcm'
    9 | ll lcm;
      |    ^~~
a.cc:22:41: error: reference to 'lcm' is ambiguous
   22 |     ans-=(b/c-(a-1)/c)+(b/d-(a-1)/d)-(b/lcm-(a-1)/lcm);
      |                                         ^~~
/usr/include/c++/14/numeric:188:5: note: candidates are: 'template<class _Mn, class _Nn> constexpr std::common_type_t<_Mn, _Nn> std::lcm(_Mn, _Nn)'
  188 |     lcm(_Mn __m, _Nn __n) noexcept
      |     ^~~
a.cc:9:4: note:                 'll lcm'
    9 | ll lcm;
      |    ^~~
a.cc:22:51: error: reference to 'lcm' is ambiguous
   22 |     ans-=(b/c-(a-1)/c)+(b/d-(a-1)/d)-(b/lcm-(a-1)/lcm);
      |                                                   ^~~
/usr/include/c++/14/numeric:188:5: note: candidates are: 'template<class _Mn, class _Nn> constexpr std::common_type_t<_Mn, _Nn> std::lcm(_Mn, _Nn)'
  188 |     lcm(_Mn __m, _Nn __n) noexcept
      |     ^~~
a.cc:9:4: note:                 'll lcm'
    9 | ll lcm;
      |    ^~~
Language: C++

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

signed main()
{
	int a,b,c,d,e=0;
	cin>>a>>b>>c>>d;
	

	int p= b-a;
	int q= b/c -a/c
	int r= b/d -a/d
	int s= (c*d)/__gcd(c,d);
	int t= b/s - a/s;
	cout<<(p-q-r+s);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:13: error: expected ',' or ';' before 'long'
    2 | #define int long long
      |             ^~~~
a.cc:13:9: note: in expansion of macro 'int'
   13 |         int r= b/d -a/d
      |         ^~~
a.cc:15:18: error: 's' was not declared in this scope
   15 |         int t= b/s - a/s;
      |                  ^
a.cc:16:20: error: 'r' was not declared in this scope
   16 |         cout<<(p-q-r+s);
      |                    ^
Language: Java

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		int A=sc.nextInt();
		int B=sc.nextInt();
		int C=sc.nextInt();
		int D=sc.nextInt();
		System.out.println( B-A -(((B-A+1)/C)+((B-A+1)/D)-((B-A+1)/uqrid(C,D))));
	}
	public static int uqrid(int C,int D){
		int dai=Math.max(C,D);
		int shou=Math.min(C,D);
		int amari=dai%shou;
		while(amari!=0){
			dai=shou;
			shou=amari;
			amari=dai%shou;
		}
		return shou;
	}
}

Compiler output:
Main.java:3: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,n) for(ll i=0;i<ll(n);i++)
long long gcd(long long a, long long b) {
    if (b == 0) {
        return a;
    } else {
        return gcd(b, a % b);
    }
}
 
/*  lcm (a, b) : 2整数版
    入力：整数 a, b
    出力：aとbの最小公倍数
*/
long long lcm(long long a, long long b) {
    long long d = gcd(a, b);
    return a / d * b;
}
int main() {
    ll a, b, c, d, ans;
    cin >> a >> b >> c >> d;
    ans = b - a + 1;
    //cout << ans << ',';
    if (c <= b && b - b%c >= a) ans -= (b - b%c - a)/c + 1;
    //cout << ans << ',';
    if (d <= b && b - b%d >= a) ans -= (b - b%d - a)/d + 1;
    //cout << ans << ',';
    if (lcm(c,d) <= b && b - b%(lcm(c,d) >= a) ans += (b - b%(lcm(c,d)) - a )/(lcm(c,d)) + 1;
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:47: error: expected ';' before 'ans'
   30 |     if (lcm(c,d) <= b && b - b%(lcm(c,d) >= a) ans += (b - b%(lcm(c,d)) - a )/(lcm(c,d)) + 1;
      |                                               ^~~~
      |                                               ;
a.cc:31:24: error: expected ')' before ';' token
   31 |     cout << ans << endl;
      |                        ^
      |                        )
a.cc:30:8: note: to match this '('
   30 |     if (lcm(c,d) <= b && b - b%(lcm(c,d) >= a) ans += (b - b%(lcm(c,d)) - a )/(lcm(c,d)) + 1;
      |        ^
Language: C++

cdef GCD(a,b): 
    if (b == 0): return a
    else : return GCD(b, a % b)

cdef LCM(a,b):
   return (a * b) // GCD(a, b)

a, b, c, d = map(int, input().split())
a=a-1
lcm=LCM(c,d)
res =(b-a)-((b//c+b//d-b//lcm)-(a//c+a//d-a//lcm))
print(res)



Compiler output:
a.cc:1:1: error: 'cdef' does not name a type
    1 | cdef GCD(a,b):
      | ^~~~
Language: C++

def GCD(a,b): 
    if (b == 0): return a
    else : return GCD(b, a % b)

def LCM(a,b):
   return (a * b) // GCD(a, b)

a, b, c, d = map(int, input().split())
a=a-1
lcm=LCM(c,d)
res =(b-a)-((b//c+b//d-b//lcm)-(a//c+a//d-a//lcm))
print(res)



Compiler output:
a.cc:1:1: error: 'def' does not name a type
    1 | def GCD(a,b):
      | ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int64_t a,b,c,d;
  cin>>a>>b>>c>>d;
  int64_t ans=0;
  for(int64_t i=a;i<B;i++){
    if(i%c==0||i%d==0){
      ans++;
    }
  }
  cout<<b-a+1-ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:21: error: 'B' was not declared in this scope
    7 |   for(int64_t i=a;i<B;i++){
      |                     ^
Language: C++

#include <bits/stdc++.h>
#include <math.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++)
typedef long long ll;
using Graph = vector<vector<int>>;
typedef long long ll;
typedef pair<int, int> P;

const int MOD = 1000000007;
const int INF_32 = 1LL << 30;
const int64_t INF_64 = 1LL << 60;

/*
左から見ていったときの最大値と右から見ていったときの最大値を比較する

*/
ll gcd(ll a, ll b)
{
    return a % b == 0 ? b : gcd(b, a % b);
}

ll lcm(ll a, ll b)
{
    return a * b / gcd(a, b);
}

// 1以上x以下の整数でcでもdでも割り切れないものの数を求める
ll helper(ll c, ll d, ll x)
{
    return (x - (x / c + x / d - x / lcm(c, d)));
}

int main()
{
    ll A, B, C, D;
    cin >> A >> B >> C >> D;
    cout << helper(C, D, B) - helper(C, D, A - 1) <<'?"<<endl;
    return 0;
}


Compiler output:
a.cc:40:53: warning: missing terminating ' character
   40 |     cout << helper(C, D, B) - helper(C, D, A - 1) <<'?"<<endl;
      |                                                     ^
a.cc:40:53: error: missing terminating ' character
   40 |     cout << helper(C, D, B) - helper(C, D, A - 1) <<'?"<<endl;
      |                                                     ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:41:5: error: expected primary-expression before 'return'
   41 |     return 0;
      |     ^~~~~~
Language: C++

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

int main() {
  int n;
  vector<pair<int, int> > tasks;
  int main(void){
    cin >> n;
    for(int i =0; i < n;i++){
      int a,b;
      cin a,b;
      tasks.emplace_back(a,b)
    }
    sort(tasks.begin(),tasks.end());
    int sum = 0;
    bool isyes = true;
    for(auto v : tasks){
      sum += v.second;
      if(sum > v.first){
        isyes = false;
        break;
      }
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:17: error: a function-definition is not allowed here before '{' token
    7 |   int main(void){
      |                 ^
Language: C++

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

int main() {
double n,m,s=0,a,b;
cin>a>>b;
cin>>n>>m;
n/=2;m/=2;
s=n*m;
s*=2;
s--;
cout<<s;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:6: error: invalid operands of types 'double' and 'double' to binary 'operator>>'
    6 | cin>a>>b;
      |     ~^~~
      |     |  |
      |     |  double
      |     double
Language: Java

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long a = sc.nextLong() - 1;
        long b = sc.nextLong() - 1;
        long c = sc.nextLong();
        long d = sc.nextLong();
        long lcm = lcm(c, d);
        long e = b - a;
        long f = a / c;
        long g = a / d;
        long h = a / lcm;
        long ans1 = a - f - g + h;
        long i = b / c;
        long j = b / d;
        long k = b / lcm;
        long ans2 = b - i - j + k;
        long ans = ans2 - ans1;
        System.out.println(ans);
    }

    public static final long lcm(final long a, final long b) {
        return a * b / gcd(a, b);
    }

    public static final long gcd(long a, long b) {
        if (a < b) {
            long tmp = a;
            a = b;
            b = tmp;
        }
        long r = -1;
        while (r != 0) {
            r = a % b;
            a = b;
            b = r;
        }
        return a;
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

long long gcd(long long x,long long y){
    while(x && y){
        x%=y;
        if(x==0)break;
        y%=x;
    }
    return x+y;
}
int main(){
    long long a,b,c,d;
    cin>>a>>b>>c>>d;
    a--;
    long long lcm=c*d/gcd(c,d);
    cout<<b-b/c-b/d+b/lcm-a+a/c+a/d-a/lcm<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'cin' was not declared in this scope
   11 |     cin>>a>>b>>c>>d;
      |     ^~~
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<b-b/c-b/d+b/lcm-a+a/c+a/d-a/lcm<<endl;
      |     ^~~~
a.cc:14:44: error: 'endl' was not declared in this scope
   14 |     cout<<b-b/c-b/d+b/lcm-a+a/c+a/d-a/lcm<<endl;
      |                                            ^~~~
Language: C++

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

int main() {
  int a, b, c, d;
  cin >> a >> b >> c >> d;
  int and = 0;
  for (int i = a; i <= b; i++) {
    if (i % c != 0 && i % d != 0) {
      ans++;
    }
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected unqualified-id before '=' token
    7 |   int and = 0;
      |           ^
a.cc:10:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   10 |       ans++;
      |       ^~~
      |       abs
a.cc:13:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

/*
 * Author : Sadi
 * Sun 05/07/2020
 * 16:41:07.47
 */
#include <iostream>
#include <string>
#include <sstream>
#include <algorithm>
#include <vector>
#include <map>
#include <set>
#include <bitset>
#include <cassert>

using namespace std;

#define    watch(x); cout << "\n" <<  #x << " is: " << x << "\n";
#define    all(a) (a).begin(), (a).end()
#define    fi first
#define    se second

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

template<class A>
ostream& operator << (ostream& output, const vector<A>& a) {
    output << "[";
    for(auto it = a.begin(); it != a.end(); ++it) {
        if(it != a.begin()) {
            output << ", ";
        }
        output << *it;
    }
    output << "]";
    return output;
}

using lld = long long;
using pii = pair<int, int>;
using pll = pair<lld, lld>;

//const int inf = 1e9;
//const int mod = 1e9 + 7;
//const double PI = acos(-1.0);
//const int mx = 1e5 + 5;

long long gcd(long long a, long long b) {
    if(b == 0) {
        return a;
    }
    else {
        return gcd(b, a % b);
    }
}


int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
#ifndef ONLINE_JUDGE
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
#endif // ONLINE_JUDGE

    long long A, B, C, D;
    cin >> A >> B >> C >> D;
    long long mula = B / C;
    long long mulb = B / D;
    long long L = (C / gcd(C, D) * D);
    long long commondiv = B / L;
    long long less1 = (A - 1) / C;
    long long less2 = (A - 1) / D;
    cout << B - A + 1 - mula - mulb + commondiv
    cout << B - mula - mulb + commondiv - (A - 1) + less1 + less2 << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:78:48: error: expected ';' before 'cout'
   78 |     cout << B - A + 1 - mula - mulb + commondiv
      |                                                ^
      |                                                ;
   79 |     cout << B - mula - mulb + commondiv - (A - 1) + less1 + less2 << endl;
      |     ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  long long A,B,C,D;
  cin>>A>>B>>C>>D;
  long long X=B-(B/C+B/D-B/__abs(C,D));
  long long Y=A-(A/C+A/D-A/__abs(C,D));
  cout<<X-Y<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:28: error: '__abs' was not declared in this scope
    7 |   long long X=B-(B/C+B/D-B/__abs(C,D));
      |                            ^~~~~
Language: C++

#include<iostream>
using namespace std;
using ll = long long;

ll a,b,c,d;

ll lcm(ll x,ll y){
    return x/__gcd(x,y)*y;
}

ll f(ll x){
    return x/c+x/d-x/lcm(c,d);
}

int main(){
    cin>>a>>b>>c>>d;
    cout<<(b-a+1)-(f(b)-f(a-1))<<endl;
}

Compiler output:
a.cc: In function 'll lcm(ll, ll)':
a.cc:8:14: error: '__gcd' was not declared in this scope
    8 |     return x/__gcd(x,y)*y;
      |              ^~~~~
Language: C++


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

ll gcd(ll x, ll y){
    if(y==0) return x;
    else return gcd(y,x%y);
}
ll lcm(ll x, ll y){
    //掛け算をする前に割り算をすることでx*yがllに治らない場合をケアしている
    return x/gcd(x,y)*y;
}
ll f(ll x){
    ll res = x;
    res -= x/c;
    res -= x/d;
    res += x/lcm(c,d);
    return res;
}

//f(x) x以下でcでもdでも割り切れない数　を用意すると
//f(b)-f(a)が求めたい数になる
//f(x)=x-x/c-x/d+x/(c*d)
int main(){
    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    ll commoncd = lcm(c,d);
    ll ans = f(b) - f(a);
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'll f(ll)':
a.cc:19:14: error: 'c' was not declared in this scope
   19 |     res -= x/c;
      |              ^
a.cc:20:14: error: 'd' was not declared in this scope
   20 |     res -= x/d;
      |              ^
Language: C

#include<bits/stdc++.h>

using namespace std;
typedef long long int lli;

#define all(arr) arr.begin(),arr.end()
#define f first
#define s second
#define debug1(x) cout<<x<<"\n"
#define debug2(x,y) cout<<x<<" "<<y<<"\n"
#define debug3(x,y,z) cout<<x<<" "<<y<<" "<<z<<"\n"
#define nl cout<<"\n";
#define pq priority_queue
#define inf 0x3f3f3f3f
#define test cout<<"abcd\n";
#define pi pair<int,int>
#define pii pair<int,pi>
#define pb push_back
#define MOD 1000000007

template <typename T>
void input(vector<T> &arr,lli n) {
  T temp;
  for(lli i=0;i<n;i++) cin>>temp, arr.push_back(temp);
}

template <typename T>
void output(vector<T> arr) {
  for(auto x:arr) cout<<x<<" ";
  cout<<endl;
}


template <typename T>
void input_set(set<T> &arr,lli n) {
  T temp;
  for(lli i=0;i<n;i++) cin>>temp, arr.insert(temp);
}

lli mul(lli a, lli b) {
  return (a%MOD*b%MOD)%MOD;
}

lli power(lli num,lli base) {
  lli ans = 1;
  while(base>0) {
    if(base&1)
      ans = mul(ans, num);

    num = mul(num, num);
    base >>= 1;
  }

  return ans;
}

lli ceil(lli a, lli d) {
  if(a%d)
    return a/d + 1;
  return a/d;
}

void solve() {
  lli a, b, c, d;
  cin >> a >> b >> c >> d;
  lli total = b-a+1;
  lli factor_c = (b-ceil(a, c)*c)/c + 1;
  lli factor_d = (b-ceil(a, d)*d)/d + 1;
  c=c*d;
  lli factor_cd = (b-ceil(a, c)*c)/c + 1;

  factor_c = max(factor_c, 0LL);
  factor_d = max(factor_d, 0LL);
  factor_cd = max(factor_cd, 0LL);
  cout << total - factor_c - factor_d + factor_cd << endl;
}

int main() {
  
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  lli testcases=1;
  while(testcases--) {
    solve();
  }
}



Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: Java

public class Main{
  public static long gcd(long a, long b){
    if(a < b) {
      long tmp = a;
      a = b;
      b = tmp;
    }
    if(b==0) return a;
    return gcd(b,a%b);
  }
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    long a = sc.nextLong();
    long b = sc.nextLong();
    long c = sc.nextLong();
    long d = sc.nextLong();
    a -= 1;
    
    long lcm = c * d / gcd(c,d);
    long n = b - (b/c) - (b/d) + (b/lcm);
    long m = a - (a/c) - (a/d) + (a/lcm);
    
    System.out.println(n-m);
  }
}

Compiler output:
Main.java:12: error: cannot find symbol
    Scanner sc = new Scanner(System.in);
    ^
  symbol:   class Scanner
  location: class Main
Main.java:12: error: cannot find symbol
    Scanner sc = new Scanner(System.in);
                     ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

package test;

import java.util.Scanner;

public class ABC131C {
	public static long gcd(long a, long b){
		if (a < b) {
			long tmp = a;
			a = b;
			b = tmp;
		}
		if (b == 0) return a;
		return gcd(b, a%b);
	}

	public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long a = Long.parseLong(sc.next());
        long b = Long.parseLong(sc.next());
        long c = Long.parseLong(sc.next());
        long d = Long.parseLong(sc.next());
        a -= 1;

        long lcm = c * d / gcd(c,d);
        long n = b - (b/c) - (b/d) + (b/lcm);
        long m = a - (a/c) - (a/d) + (a/lcm);
        System.out.println(n-m);
	}
}


Compiler output:
Main.java:5: error: class ABC131C is public, should be declared in a file named ABC131C.java
public class ABC131C {
       ^
1 error
Language: C++

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

ll gcd(ll a, ll b){
	return b ? gcd(b, a%b) : a;
}

ll lcm(ll c, ll d){
	return c*d/gcd(c, d);
}

ll f(ll x, ll c, ll d){
	ll ans = x;
	ans -= x/c;
	ans -= x/d;
	ans += a/lcm(c, d);

	return ans;
}

int main(){
	ll a, b, c, d;
	cin >> a >> b >> c >> d;

	ll ans = f(b, c, d) - f(a-1, c, d);
	
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'long long int f(long long int, long long int, long long int)':
a.cc:18:16: error: 'a' was not declared in this scope
   18 |         ans += a/lcm(c, d);
      |                ^
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int, int>;
const int INF = INT32_MAX;
const ll INFL = INT64_MAX;
const int mod = 1e9 + 7;

template <typename T>
void print_vec(vector<T> v) {
  for (T i : v) cout << i << " ";
  cout << endl;
}

ll gcd(ll p, ll q)
{
  if (p % q == 0)
    return q;
  return gcd(q, p % q);
}

ll lcm(ll a, ll b) { return a * b / gcd(a, b); }

int main() {
  ll a, b, c, d;
  cin >> a >> b >> c >> d;
  a--;
  ll l = lcm(c, d)
  ll ans = b - a;
  ans -= b / c;
  ans -= b / d;
  ans += b / l;
  ans += a / c;
  ans += a / d;
  ans -= a / l;
  cout << ans << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:3: error: expected ',' or ';' before 'll'
   30 |   ll ans = b - a;
      |   ^~
a.cc:31:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
   31 |   ans -= b / c;
      |   ^~~
      |   abs
Language: C++

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

int gcd(ll c, ll d){
    if (d == 0) return c;
    return gcd (d, c % d);
}

int lcm(ll c, ll d){
    return c / gcd(c, d) * b;
}

int main() {
    ll a, b, c, d;
    cin >> a >> b >> c >> d;

    ll koubai = lcm(c, d);

    ll ans = 0;
    ll count = b - a + 1;

    ll canc,cand,cancd;

    canc = (b / c) - ((a - 1) / c);
    cand = (b / d) - ((a - 1) / d);
    cancd = (b / (koubai)) - ((a - 1) / (koubai));

    ans += count - (canc + cand - cancd);

    cout << ans << endl;

}

Compiler output:
a.cc: In function 'int lcm(ll, ll)':
a.cc:12:28: error: 'b' was not declared in this scope
   12 |     return c / gcd(c, d) * b;
      |                            ^
Language: C++

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


int main() {
    ll int a, b, c, d;
    cin >> a >> b >> c >> d;

    ll int ans = 0;
    ll int count = b - a + 1;

    ll int canc,cand,cancd;

    canc = b / c - a / c;
    cand = b / d - a / c;
    cancd = b / (c * d) - a / (c * d);

    if (a % c == 0) canc += 1;
    if (a % d == 0) cand += 1;
    if (a % (c * d) == 0) cancd += 1;

    ans += count - (canc + cand - cancd);

    cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: two or more data types in declaration of 'a'
    8 |     ll int a, b, c, d;
      |     ^~
a.cc:8:5: error: two or more data types in declaration of 'b'
a.cc:8:5: error: two or more data types in declaration of 'c'
a.cc:8:5: error: two or more data types in declaration of 'd'
a.cc:9:12: error: 'a' was not declared in this scope
    9 |     cin >> a >> b >> c >> d;
      |            ^
a.cc:9:17: error: 'b' was not declared in this scope
    9 |     cin >> a >> b >> c >> d;
      |                 ^
a.cc:9:22: error: 'c' was not declared in this scope
    9 |     cin >> a >> b >> c >> d;
      |                      ^
a.cc:9:27: error: 'd' was not declared in this scope
    9 |     cin >> a >> b >> c >> d;
      |                           ^
a.cc:11:5: error: two or more data types in declaration of 'ans'
   11 |     ll int ans = 0;
      |     ^~
a.cc:12:5: error: two or more data types in declaration of 'count'
   12 |     ll int count = b - a + 1;
      |     ^~
a.cc:14:5: error: two or more data types in declaration of 'canc'
   14 |     ll int canc,cand,cancd;
      |     ^~
a.cc:14:5: error: two or more data types in declaration of 'cand'
a.cc:14:5: error: two or more data types in declaration of 'cancd'
a.cc:16:5: error: 'canc' was not declared in this scope
   16 |     canc = b / c - a / c;
      |     ^~~~
a.cc:17:5: error: 'cand' was not declared in this scope; did you mean 'rand'?
   17 |     cand = b / d - a / c;
      |     ^~~~
      |     rand
a.cc:18:5: error: 'cancd' was not declared in this scope
   18 |     cancd = b / (c * d) - a / (c * d);
      |     ^~~~~
a.cc:24:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |     ans += count - (canc + cand - cancd);
      |     ^~~
      |     abs
Language: C++

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

main(){
    long long a, b, c, d;
    cin >> a >> b >> c >> d;
    long long count = 0;
    long long g = gcd(c, d);

    long long g_a = calc_number(a-1, c ,d, g);
    long long g_b = calc_number(b, c ,d, g);
    count = g_b - g_a;
    cout << count << endl;
    return 0;
}
long long calc_number(long long x, long long y, long long z, long long gc){
    long long set = 0;
    long long x_y = x / y;
    long long x_z = x / z;
    long long lc = y * (z / gc);
    long long x_lc = x / lc;
    set = x - x_y - x_z + x_lc;
    return set;
}
long long gcd(long long x, long long y) {
	if (x < y) swap(x, y);
	if (x % y == 0) return y;
	else return gcd(x, x % y);
}

Compiler output:
a.cc:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    5 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:11:21: error: 'calc_number' was not declared in this scope
   11 |     long long g_a = calc_number(a-1, c ,d, g);
      |                     ^~~~~~~~~~~
Language: C++

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

main(){
    long long a, b, c, d;
    cin >> a >> b >> c >> d;
    long long count = 0;
    long long g = gcd(c, d);

    long long g_a = calc_number(a-1, c ,d, g);
    long long g_b = calc_number(b, c ,d, g);
    count = g_b - g_a;
    cout << count << endl;
    return 0;
}
long long calc_number(long long x, long long y, long long z, long long gc){
    long long set = 0;
    long long x_y = x / y;
    long long x_z = x / z;
    long long lc = y * (z / gc);
    long long x_lc = x / lc;
    set = x - x_y - x_z + x_lc;
    return set;
}

Compiler output:
a.cc:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    5 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:11:21: error: 'calc_number' was not declared in this scope
   11 |     long long g_a = calc_number(a-1, c ,d, g);
      |                     ^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h> //C++の機能を「全て」読み込むための命令
#define rep(i,n) for(int i=0; i<(n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;

//ユークリッドの互除法で最大公約数(GCD)を求め，c,dの最小公倍数(LCM)を算出．
// ll LMC(ll c,ll d){
//     ll lmc = 0;
//     ll r = max(c,d)%min(c,d);

//     if(r==0){
//         lmc = c*d;
//         return lmc;
//     }
//     bool t = true;
//     ll r_ = 10;
//     ll ans;
//     while(r_ != 0){
//         if(t){
//             ans = r;
//             r_ = min(c,d)%r;
//             t = false;
//         }
//         else{
//             ans = r_;
//             r_ = r%r_;
//             r = ans;
//         }
//     }
//     lmc = (c*d)/ans;
//     return lmc;
// }

ll gcd_(ll a, ll b) { return b ? gcd_(b,a%b) : a;}
ll lcm_(ll a, ll b) { return a/gcd_(a,b)*b;}

int main(){
    ll a,b;//10^18までの整数
    int c,d;//10^9までの整数
    cin >> a >> b >> c >> d;

    ll cnt_a=0;
    ll cnt_b=0;
    ll lmc = lmc_(c,d);

    cnt_b = b - b/c - b/d + b/(lmc);
    cnt_a = (a-1) - (a-1)/c - (a-1)/d + (a-1)/(lmc);

    cout<<(ll)(cnt_b-cnt_a)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:14: error: 'lmc_' was not declared in this scope; did you mean 'lmc'?
   45 |     ll lmc = lmc_(c,d);
      |              ^~~~
      |              lmc
Language: C++

#include <bits/stdc++.h> //C++の機能を「全て」読み込むための命令
#define rep(i,n) for(int i=0; i<(n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;

//ユークリッドの互除法で最大公約数(GCD)を求め，c,dの最小公倍数(LCM)を算出．
ll LMC(ll c,ll d){
    ll lmc = 0;
    ll r = max(c,d)%min(c,d);

    if(r==0){
        lmc = c*d;
        return lmc;
    }
    bool t = true;
    ll r_ = 10;
    ll ans;
    while(r_ != 0){
        if(t){
            ans = r;
            r_ = min(c,d)%r;
            t = false;
        }
        else{
            ans = r_;
            r_ = r%r_;
            r = ans;
        }
    }
    lmc = (c*d)/ans;
    return lmc;
}

ll gcd_(ll a, ll b) { return b ? gcd_(b,a%b) : a;}
ll lcm_(ll a, ll b) { return a/gcd_(a,b)*b;}

int main(){
    ll a,b;//10^18までの整数
    int c,d;//10^9までの整数
    cin >> a >> b >> c >> d;

    ll cnt_a=0;
    ll cnt_b=0;
    ll lmc = lmc_(c,d);

    cnt_b = b - b/c - b/d + b/(lmc);
    cnt_a = (a-1) - (a-1)/c - (a-1)/d + (a-1)/(lmc);

    cout<<(ll)(cnt_b-cnt_a)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:14: error: 'lmc_' was not declared in this scope; did you mean 'lmc'?
   45 |     ll lmc = lmc_(c,d);
      |              ^~~~
      |              lmc
Language: C++

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


ll gcd(ll x,ll y){
    if(x > y) swap(x,y);
    if(x == 0) return y;
    return gcd(x,y%x);
};


int main(){
    ll a,b,c,d;
    cin >> a >> b >> c >> d;

    ll lcm = c*d/gcd(c,d);

    ll cnt_a = a-1;
    cnt_a -= (a-1)/c + (a-1)/d - (a-1)/l;

    ll cnt_b = b;
    cnt_b -= b/c + b/d - b/l;

    cnt_b -= cnt_a;
    cout << cnt_b << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:40: error: 'l' was not declared in this scope
   21 |     cnt_a -= (a-1)/c + (a-1)/d - (a-1)/l;
      |                                        ^
Language: C++

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

ll gcd(ll a, ll b) {
    if (a < b) swap(a, b);
    if (a == 0) return b;
    return gcd(a, a%b);
}

int main() {
    ll A, B, C, D;
    cin >> A >> B >> C >> D;

    ll lcm = C*D/gcd(C, D);
    ll cnt_a = (A-1)/C + (A-1)/D - (A-1)/lcm;
    ll cnt_b = B/C + B/D - B/lcm;

    cout << B - A + 1 + cnt_a - cnt_b << endl;
    return 0;
#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
using ll = long long;

ll gcd(ll a, ll b) {
    if (a < b) swap(a, b);
    if (a == 0) return b;
    return gcd(a, a%b);
}

int main() {
    ll A, B, C, D;
    cin >> A >> B >> C >> D;

    ll lcm = C*D/gcd(C, D);
    ll cnt_a = (A-1)/C + (A-1)/D - (A-1)/lcm;
    ll cnt_b = B/C + B/D - B/lcm;

    cout << B - A + 1 + cnt_a - cnt_b << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:20: error: a function-definition is not allowed here before '{' token
   27 | ll gcd(ll a, ll b) {
      |                    ^
a.cc:33:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   33 | int main() {
      |         ^~
a.cc:33:9: note: remove parentheses to default-initialize a variable
   33 | int main() {
      |         ^~
      |         --
a.cc:33:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:33:12: error: a function-definition is not allowed here before '{' token
   33 | int main() {
      |            ^
a.cc:43:2: error: expected '}' at end of input
   43 | }
      |  ^
a.cc:12:12: note: to match this '{'
   12 | int main() {
      |            ^
Language: C++

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


int64_t gcd(int64_t a, int64_t b) {
    if (a%b == 0) return(b);
    else return(gcd(b, a%b));
}

int64_t lcm(int64_t a, int64_t b) {
    return a * b / gcd(a, b);
}

int main() {

    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    
	cout << b - b/c - b/d + b/(lcm(c, d)) - (a-1) + (a-1)/c + (a-1)/d + (a-1)/(lcm(c, d)) << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'll' was not declared in this scope
   16 |     ll a, b, c, d;
      |     ^~
a.cc:17:12: error: 'a' was not declared in this scope
   17 |     cin >> a >> b >> c >> d;
      |            ^
a.cc:17:17: error: 'b' was not declared in this scope
   17 |     cin >> a >> b >> c >> d;
      |                 ^
a.cc:17:22: error: 'c' was not declared in this scope
   17 |     cin >> a >> b >> c >> d;
      |                      ^
a.cc:17:27: error: 'd' was not declared in this scope
   17 |     cin >> a >> b >> c >> d;
      |                           ^
Language: C++

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

int main(){
  cout << gcd(10,35) << endl;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude<bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'cout' was not declared in this scope
    5 |   cout << gcd(10,35) << endl;
      |   ^~~~
a.cc:1:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inlcude<bits/stdc++.h>
a.cc:5:11: error: 'gcd' was not declared in this scope
    5 |   cout << gcd(10,35) << endl;
      |           ^~~
a.cc:5:25: error: 'endl' was not declared in this scope
    5 |   cout << gcd(10,35) << endl;
      |                         ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inlcude<bits/stdc++.h>
Language: C++

#include <bits/stdc++.h>
using namespace std;
int  main(){
long long  A,B,C,D;
cin>>A>>B>>C>>D;
long long w=C/__gcd(C,D)*D;
long long data=w-(w/C+w/D-1);
long long j=B%w;
long long h=B/w
if(j!=0){
h=h-j/C-j/D;
}
long long o=A%w;
long long p=A/w;
if(o!=0){
p=p-(o/C+o/D);
if(A%C==0||A&D==0){
    p--;
}
cout<<h-p<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:1: error: expected ',' or ';' before 'if'
   10 | if(j!=0){
      | ^~
a.cc:21:2: error: expected '}' at end of input
   21 | }
      |  ^
a.cc:3:12: note: to match this '{'
    3 | int  main(){
      |            ^
Language: C++

int main(){
long long  A,B,C,D;
cin>>A>>B>>C>>D;
int w=C/__gcd(C,D)*D;
int data=w-(w/C-w/D+1);
int j=B%w;
long long h=B/w*data;
if(j!=0){
for(int i=1; i<j+1; i++){
    if(i%C==0&&i%D==0){
        continue;
}
h++;
}
}
int o=A%w;
long long p=A/w*data;
if(o!=0){
for(int i=1; i<o+1; i++){
    if(i%C==0&&i%D==0){
       continue;
}
p++;
}
}
if(A%C==0&&A&D==0){
    p--;
}
cout<<h-p<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:1: error: 'cin' was not declared in this scope
    3 | cin>>A>>B>>C>>D;
      | ^~~
a.cc:4:9: error: '__gcd' was not declared in this scope
    4 | int w=C/__gcd(C,D)*D;
      |         ^~~~~
a.cc:29:1: error: 'cout' was not declared in this scope
   29 | cout<<h-p<<endl;
      | ^~~~
a.cc:29:12: error: 'endl' was not declared in this scope
   29 | cout<<h-p<<endl;
      |            ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
typedef long long ll;
#define _GLIBCXX_DEBUG
typedef vector<int> vec;
typedef vector<ll> lvec;
typedef vector<char> cvec;
typedef vector<double> dvec;
typedef pair<ll, ll> LP;
typedef tuple<ll, ll, ll> LT;
typedef pair<int, int> P;
typedef tuple<int, int, int> T;
#define fs first
#define sc second
ll gcm(ll c,ll d){
  if(d==0) return c;
  else return gcm(c%d,d);
ll lcm(ll c,ll d){
  return c*d/gcm(c,d);
ll f(ll x,ll c,ll d){
  ll ans=x;
  ans-=x/c;
  ans-=x/d;
  ans+=x/lcm(c,d);
  cout<<ans<<endl;
}
int main()	{
  ll a,b,c,d;
  cin>>a>>b>>c>>d;
  ll ans=f(b,c,d)-f(a-1,c,d);
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'll gcm(ll, ll)':
a.cc:21:18: error: a function-definition is not allowed here before '{' token
   21 | ll lcm(ll c,ll d){
      |                  ^
a.cc:35:2: error: expected '}' at end of input
   35 | }
      |  ^
a.cc:18:18: note: to match this '{'
   18 | ll gcm(ll c,ll d){
      |                  ^
Language: C++

#include <bits/stdc++.h>

#define whole(f, x, ...)                                 \
  ([&](decltype((x)) whole) {                            \
    return (f)(begin(whole), end(whole), ##__VA_ARGS__); \
  })(x)

using namespace std;
using ll = long long;

void solve() {
  ll a, b, c, d;
  cin >> a >> b >> c >> d;

  --a;

  const ll ta = a - a / c - a / d + a / __detail::__lcm(c, d);
  const ll tb = b - b / c - b / d + b / __detail::__lcm(c, d);
  cout << tb - ta << endl;
}

int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  std::cout << std::fixed << std::setprecision(15);

  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:17:51: error: '__lcm' is not a member of 'std::__detail'
   17 |   const ll ta = a - a / c - a / d + a / __detail::__lcm(c, d);
      |                                                   ^~~~~
a.cc:18:51: error: '__lcm' is not a member of 'std::__detail'
   18 |   const ll tb = b - b / c - b / d + b / __detail::__lcm(c, d);
      |                                                   ^~~~~
Language: C++

#include <bits/stdc++.h>

#define whole(f, x, ...)                                 \
  ([&](decltype((x)) whole) {                            \
    return (f)(begin(whole), end(whole), ##__VA_ARGS__); \
  })(x)

using namespace std;
using ll = long long;

void solve() {
  ll a, b, c, d;
  cin >> a >> b >> c >> d;

  --a;

  const ll ta = a - a / c - a / d + a / __lcm(c, d);
  const ll tb = b - b / c - b / d + b / __lcm(c, d);
  cout << tb - ta << endl;
}

int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  std::cout << std::fixed << std::setprecision(15);

  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:17:41: error: '__lcm' was not declared in this scope
   17 |   const ll ta = a - a / c - a / d + a / __lcm(c, d);
      |                                         ^~~~~