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

values = gets.split(' ')
a = values[0].to_i
b = values[1].to_i
c = values[2].to_i
d = values[3].to_i

cdLcm = c.lcm(d)
cNum = (b-a)/c
dNum = (b-a)/d
lcmNum = (b-a)/cdLcm

if b%c==0
    cNum = cNum+1
    dNum = dNum+1
end
if b%cdLcm==0
    lcmNum = lcmNum+1
end

num = b - a - cNum - dNum + lcmNum
print("#{num}\n")

Compiler output:
a.cc:1:1: error: 'values' does not name a type
    1 | values = gets.split(' ')
      | ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  long long a, b, c, d, e, f, g, h, i, j, ans;
  cin >> a >> b >> c >> d;
  e = (b - b % c) / c; f = (b - b % d) / d;
  g = (a - a % c) / c; h = (a - a % d) / d;
  i = (b - b % (c * d / _gcd(c,d))) / (c * d / _gcd(c,d));
  j = (a - a & (c * d / _gcd(c,d))) / (c * d / _gcd(c,d));
  ans = (e - g) + (f - h) - (i - j);
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:25: error: '_gcd' was not declared in this scope
    8 |   i = (b - b % (c * d / _gcd(c,d))) / (c * d / _gcd(c,d));
      |                         ^~~~
Language: C++

#include <bits/stdc++.h>
#include <math.h>
using namespace std;
 long long int f(long long int x,long long int A, long long int B)
 {long long int aiu;

  aiu=(B/x)-((A-1)/x);
   return aiu;
 }
 
long long int gcd(long long int n, long long int m)
{if(m==0)return n;
 rerutn gcd(m,n%m)
}
int main() {
	int sum=0;
  	long long int a,b,c,d;
  	cin>>a>>b>>c>>d;
   	
/*    if(!(x%c==0)&&!(x%d==0)){
    	sum=sum+1;}      
      x=x+1;
    }
  cout<<sum<<endl;   */
  cout<<b-a+1-f(c,a,b)-f(d,a,b)+f(c*d/gcd(c,d),a,b)<<endl;
 // cout<<f(d*c,a,b)<<endl;
}

Compiler output:
a.cc: In function 'long long int gcd(long long int, long long int)':
a.cc:13:2: error: 'rerutn' was not declared in this scope
   13 |  rerutn gcd(m,n%m)
      |  ^~~~~~
a.cc:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^
Language: C++

unsigned long long lcmm(unsigned long long a, unsigned long long b) {

	unsigned long long x, tmp, r;
	x = a * b;

	if (a == b) {
		return a;
	}

	/* 自然数 a > b を確認・入替 */
	if (a < b) {
		tmp = a;
		a = b;
		b = tmp;
	}

	/* ユークリッドの互除法 */
	r = a % b;
	while (r != 0) {
		a = b;
		b = r;
		r = a % b;
	}
	return x / b;
}

unsigned long long div(unsigned long long a, unsigned long long b) {
	return a / b;
}

int main() {

	unsigned long long A, B, C, D, e, x, y;

	cin >> A >> B >> C >> D;
	e = lcmm(C, D);


	x = div((A - 1) , C) + div((A - 1) ,D) - div((A - 1) , e);
	y = div(B , C) + div(B , D) - div(B , e);

	cout << (B - A + 1) - (y - x);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:9: error: 'cin' was not declared in this scope
   35 |         cin >> A >> B >> C >> D;
      |         ^~~
a.cc:42:9: error: 'cout' was not declared in this scope
   42 |         cout << (B - A + 1) - (y - x);
      |         ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define all(a)  (a).begin(),(a).end()
typedef unsigned long long ll;
ll mod=1000000007;

int main() {
  ll a,b,c,d; cin >> a >>b >> c >> d;
  ll divc = b/c - (a-1)/c;
  ll divd = b/d - (a-1)/d;
  ll divcd = b/__gcd(c*d) - (a-1)/__gcd(c*d);
  cout  << (b-a+1) - divc - divd + divcd << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:21: error: no matching function for call to '__gcd(ll)'
   11 |   ll divcd = b/__gcd(c*d) - (a-1)/__gcd(c*d);
      |                ~~~~~^~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:1137:5: note: candidate: 'template<class _EuclideanRingElement> _EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement)'
 1137 |     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
      |     ^~~~~
/usr/include/c++/14/bits/stl_algo.h:1137:5: note:   candidate expects 2 arguments, 1 provided
a.cc:11:40: error: no matching function for call to '__gcd(ll)'
   11 |   ll divcd = b/__gcd(c*d) - (a-1)/__gcd(c*d);
      |                                   ~~~~~^~~~~
/usr/include/c++/14/bits/stl_algo.h:1137:5: note: candidate: 'template<class _EuclideanRingElement> _EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement)'
 1137 |     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
      |     ^~~~~
/usr/include/c++/14/bits/stl_algo.h:1137:5: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include<iostream>
#include <cstdio>
#include<cstring>
#include <cstdlib>  
#include<cmath>   
#include <cctype>
#include<string>
#include<set>
#include <iomanip>
#include <map>
#include<algorithm>
#include <functional>
#include<vector>
#include<climits>
#include<stack>
#include<queue>
#include <deque>
#include <climits>
#include <typeinfo>
#include <utility> 
using namespace std;
using ll = long long;
double pi() { return 3.14; }
int sum(int a, int b) { return a + b; }
int mul(int a, int b) { return a * b; }
int main() {
	ll A, B, C, D;
	ll ans;
	cin >> A >> B >> C >> D;
	ll E, F;
	ll L, H;
	//高校数学発想、AでC,D割れるものを差っ引いたものから
	//B-1=HでC,Dで割れるものを差っ引く；
	H = A - 1;
	ll tmp;//CDの入れ替えに必要；
	ll I = C, J = D;
	ll K = C * D;

	if (C < D) { tmp = C;C = D;D = tmp; }
	//互除法
	ll r = C % D;
	while (r != 0) {
		I = J;
		J = r;
		r = I % J;
	}
	L = K / J;
	E = H - (H / C + H / D - H / L);
	F = B - (B / C + B / D- B / L);
	ans = F - E;

	cout << ans << endl;
	

Compiler output:
a.cc: In function 'int main()':
a.cc:52:29: error: expected '}' at end of input
   52 |         cout << ans << endl;
      |                             ^
a.cc:26:12: note: to match this '{'
   26 | int main() {
      |            ^
Language: Java

import java.util.Scanner;
public class Main{
 
  static int gcd (int a, int b) {
	int temp;
	while((temp = a%b)!=0) {
		a = b;
		b = temp;
	}
	return b;
}
  
 public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
   long A = sc.nextLong()-1;
   long B = sc.nextLong();
   int C = sc.nextInt();
   int D = sc.nextInt();
   
   int gcd_cd = 0;
   if(C >=D) gcd_cd = gcd(C,D);
   else gcd_cd = gcd(D,C);
   
   int sum_B = (B/C) - (B/D) + (B/gcd_cd);
   int sum_A = (A/C) - (A/D) + (A/gcd_cd);
   
     
   System.out.println(sum_B-sum_A);
 }
}

Compiler output:
Main.java:24: error: incompatible types: possible lossy conversion from long to int
   int sum_B = (B/C) - (B/D) + (B/gcd_cd);
                             ^
Main.java:25: error: incompatible types: possible lossy conversion from long to int
   int sum_A = (A/C) - (A/D) + (A/gcd_cd);
                             ^
2 errors
Language: Java

import java.util.Scanner;
public class Main{
 
  static int gcd (int a, int b) {
	int temp;
	while((temp = a%b)!=0) {
		a = b;
		b = temp;
	}
	return b;
}
  
 public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
   long A = sc.nextLong()-1;
   long B = sc.nextLong();
   int C = sc.nextInt();
   int D = sc.nextInt();
   
   int gcd_cd = 0;
   if(C >=D) gcd_cd = gcd(C,D);
   else gcd_cd = gcd(D,C);
   
   int sum_B = B/C - B/D + B/gcd_cd;
   int sum_A = A/C - A/D + A/gcd_cd;
   
     
   System.out.println(sum_B-sum_A);
 }
}

Compiler output:
Main.java:24: error: incompatible types: possible lossy conversion from long to int
   int sum_B = B/C - B/D + B/gcd_cd;
                         ^
Main.java:25: error: incompatible types: possible lossy conversion from long to int
   int sum_A = A/C - A/D + A/gcd_cd;
                         ^
2 errors
Language: Java

import java.util.Scanner;
public class Main{
 
  static int gcd (int C, int D) {
	int temp;
	while((temp = a%b)!=0) {
		a = b;
		b = temp;
	}
	return b;
}
  
 public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
   long A = sc.nextLong()-1;
   long B = sc.nextLong();
   int C = sc.nextInt();
   int D = sc.nextInt();
   
   int gcd_cd = 0;
   if(C >=D) gcd_cd = gcd(C,D);
   else gcd_cd = gcd(D,C);
   
   int sum_B = B/C - B/D + B/gcd_cd;
   int sum_A = A/C - A/D + A/gcd_cd;
   
     
   System.out.println(sum_B-sum_A);
 }
}

Compiler output:
Main.java:6: error: cannot find symbol
	while((temp = a%b)!=0) {
	              ^
  symbol:   variable a
  location: class Main
Main.java:6: error: cannot find symbol
	while((temp = a%b)!=0) {
	                ^
  symbol:   variable b
  location: class Main
Main.java:7: error: cannot find symbol
		a = b;
		^
  symbol:   variable a
  location: class Main
Main.java:7: error: cannot find symbol
		a = b;
		    ^
  symbol:   variable b
  location: class Main
Main.java:8: error: cannot find symbol
		b = temp;
		^
  symbol:   variable b
  location: class Main
Main.java:10: error: cannot find symbol
	return b;
	       ^
  symbol:   variable b
  location: class Main
Main.java:24: error: incompatible types: possible lossy conversion from long to int
   int sum_B = B/C - B/D + B/gcd_cd;
                         ^
Main.java:25: error: incompatible types: possible lossy conversion from long to int
   int sum_A = A/C - A/D + A/gcd_cd;
                         ^
8 errors
Language: Java

import java.util.Scanner;
public class Main{
 
  static int gcd (int C, int D) {
	int temp;
	while((temp = a%b)!=0) {
		a = b;
		b = temp;
	}
	return b;
}
  
 public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
   long A = sc.nextLong-1();
   long B = sc.nextLong();
   int C = sc.nextInt();
   int D = sc.nextInt();
   
   int gcd_cd = 0;
   if(C >=D) gcd_cd = gcd(C,D);
   else gcd_cd = gcd(D,C);
   
   int sum_B = B/C - B/D + B/gcd_cd
   int sum_A = A/C - A/D + A/gcd_cd
   
     
   System.out.println(sum_B-sum_A);
 }
}

Compiler output:
Main.java:15: error: ';' expected
   long A = sc.nextLong-1();
                         ^
Main.java:24: error: ';' expected
   int sum_B = B/C - B/D + B/gcd_cd
                                   ^
Main.java:25: error: ';' expected
   int sum_A = A/C - A/D + A/gcd_cd
                                   ^
3 errors
Language: C++

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

ll gcd(ll x, ll y)
{
	ll r;
	while ((r = x % y) != 0)
	{
		x = y;
		y = r;
	}
	return y;
}

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

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	long long a, b, c,d;
	cin >> a >> b >> c >> d;
	long long aa = (a-1) / c;
	long long bb = b / c;
	long long cc = (a-1) / d;
	long long dd = b / d;
	long long e = lcm(c, d);
	long long ee = (a-1) / e;
	long long eee = b / e;
	
	cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
	return 0;
}


Compiler output:
a.cc:4:1: error: 'll' does not name a type
    4 | ll gcd(ll x, ll y)
      | ^~
a.cc:15:1: error: 'll' does not name a type
   15 | ll lcm(ll x, ll y)
      | ^~
Language: C

a, b, c, d = [int(i) for i in input().split()]
cnt = 0
for i in range(b+1)[a:]:
    cnt += (((i % c) != 0) and ((i % d) != 0))
print(cnt)


Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | a, b, c, d = [int(i) for i in input().split()]
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
main.c:1:4: error: type defaults to 'int' in declaration of 'b' [-Wimplicit-int]
    1 | a, b, c, d = [int(i) for i in input().split()]
      |    ^
main.c:1:7: error: type defaults to 'int' in declaration of 'c' [-Wimplicit-int]
    1 | a, b, c, d = [int(i) for i in input().split()]
      |       ^
main.c:1:10: error: type defaults to 'int' in declaration of 'd' [-Wimplicit-int]
    1 | a, b, c, d = [int(i) for i in input().split()]
      |          ^
main.c:1:14: error: expected expression before '[' token
    1 | a, b, c, d = [int(i) for i in input().split()]
      |              ^
main.c:2:1: error: expected ',' or ';' before 'cnt'
    2 | cnt = 0
      | ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	long long a, b, c,d;
	cin >> a >> b >> c >> d;
	long long aa = (a-1) / c;
	long long bb = b / c;
	long long cc = (a-1) / d;
	long long dd = b / d;
	long long e = _lcm(c, d);
	long long ee = (a-1) / e;
	long long eee = b / e;
	
	cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: '_lcm' was not declared in this scope
   12 |         long long e = _lcm(c, d);
      |                       ^~~~
Language: C++

#include <cstdio>
#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
long long int GCD(long long int x, long long int y)
{
	long long int tmp;
	if(y > x)
	{
		tmp = x;
		x = y;
		y = tmp;
	}
	while(y > 0)
	{
		tmp = x % y;
		x = y;
		y = tmp;
	}
	return x;
}

int main()
{
	long long int A,B,C,D;
	scanf("%lld %lld %lld %lld",&A,&B,&C,&D);
	long long int a,b,c,d,e,d,f,GD;
	GD=(C,D);
	a=B/C;
	b=A/C;
	c=B/D;
	d=A/D;
	e=B/GD;
	f=A/GD;
	A=B-A+1-a-c-e+b+d+f;
	cout<<A<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:33: error: redeclaration of 'long long int d'
   28 |         long long int a,b,c,d,e,d,f,GD;
      |                                 ^
a.cc:28:29: note: 'long long int d' previously declared here
   28 |         long long int a,b,c,d,e,d,f,GD;
      |                             ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
 
int main(){
  int k=0;
  int64_t A, B; cin >> A >> B;
  int C, D; cin >> C >> D;
  for (int i=min(C,D);i>0;i--){
    if (C%i==0 && D%i==0){
      k=i;
      break;
  }  
  int64_t countC=(B/C)-(A-1/C);
  int64_t countD=(B/D)-(A-1/D);
  int MY=C*D/k;
  int64_t countCD=(B/MY)-(A-1/MY);
  cout << B-A+1+countCD-countC-countD << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:2: error: expected '}' at end of input
   19 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: Java

import java.util.*;

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

      long A=sc.nextLong();
      long B=sc.nextLong();
      long C=sc.nextLong();
      long D=sc.nextLong();
      long cnt=0;

      for(long i=A;i<=B;i++){
        if(i%C!=0 && i%D!=0){
            cnt++;
        }
      }


      System.out.println(cnt);


    }
}


Compiler output:
Main.java:5: error: cannot find symbol
      FastScanner sc = new Scanner(System.in);
      ^
  symbol:   class FastScanner
  location: class Main
1 error
Language: C++

#include<iostream>
using namespace std;
int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	long long a, b, c,d;
	cin >> a >> b >> c >> d;
	long long aa = (a-1) / c;
	long long bb = b / c;
	long long cc = (a-1) / d;
	long long dd = b / d;
	long long e = _lcm(c, d);
	long long ee = (a-1) / e;
	long long eee = b / e;
	
	cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: '_lcm' was not declared in this scope
   12 |         long long e = _lcm(c, d);
      |                       ^~~~
Language: C++

#include<iostream>
using namespace std;
int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	ll a, b, c,d;
	cin >> a >> b >> c >> d;
	ll aa = (a-1) / c;
	ll bb = b / c;
	ll cc = (a-1) / d;
	ll dd = b / d;
	ll e = _lcm(c, d);
	ll ee = (a-1) / e;
	ll eee = b / e;
	
	cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'll' was not declared in this scope
    6 |         ll a, b, c,d;
      |         ^~
a.cc:7:16: error: 'a' was not declared in this scope
    7 |         cin >> a >> b >> c >> d;
      |                ^
a.cc:7:21: error: 'b' was not declared in this scope
    7 |         cin >> a >> b >> c >> d;
      |                     ^
a.cc:7:26: error: 'c' was not declared in this scope
    7 |         cin >> a >> b >> c >> d;
      |                          ^
a.cc:7:31: error: 'd' was not declared in this scope
    7 |         cin >> a >> b >> c >> d;
      |                               ^
a.cc:8:11: error: expected ';' before 'aa'
    8 |         ll aa = (a-1) / c;
      |           ^~~
      |           ;
a.cc:9:11: error: expected ';' before 'bb'
    9 |         ll bb = b / c;
      |           ^~~
      |           ;
a.cc:10:11: error: expected ';' before 'cc'
   10 |         ll cc = (a-1) / d;
      |           ^~~
      |           ;
a.cc:11:11: error: expected ';' before 'dd'
   11 |         ll dd = b / d;
      |           ^~~
      |           ;
a.cc:12:11: error: expected ';' before 'e'
   12 |         ll e = _lcm(c, d);
      |           ^~
      |           ;
a.cc:13:11: error: expected ';' before 'ee'
   13 |         ll ee = (a-1) / e;
      |           ^~~
      |           ;
a.cc:14:11: error: expected ';' before 'eee'
   14 |         ll eee = b / e;
      |           ^~~~
      |           ;
a.cc:16:28: error: 'bb' was not declared in this scope
   16 |         cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
      |                            ^~
a.cc:16:33: error: 'aa' was not declared in this scope
   16 |         cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
      |                                 ^~
a.cc:16:40: error: 'dd' was not declared in this scope
   16 |         cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
      |                                        ^~
a.cc:16:45: error: 'cc' was not declared in this scope
   16 |         cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
      |                                             ^~
a.cc:16:52: error: 'eee' was not declared in this scope
   16 |         cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
      |                                                    ^~~
a.cc:16:58: error: 'ee' was not declared in this scope
   16 |         cout << (b - a) - (bb - aa) - (dd - cc) + (eee - ee) + 1 << endl;
      |                                                          ^~
Language: C++

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

long long a, b, c, d;
long long A, B, C;
long long ans;

long long LCM(long long a, long long b) {
	if (a < b) {
		swap(a, b);
	}
	long long r = a % b;
	long long x = a * b;
	while (r != 0) {
		a = b;
		b = r;
		r = a % b;
	}
	return x / b;
}

int main() {
	cin >> a >> b >> c >> d;
	if (a < b) {
		swap(a, b);
	}
	a -= b;
	A = a / c;
	B = a / d;
	C = a / LCM(c, d);

	cout << a-A-B+C) << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:24: error: expected ';' before ')' token
   38 |         cout << a-A-B+C) << endl;
      |                        ^
      |                        ;
Language: C++

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

typedef unsigned long ul;
typedef long long ll;
typedef pair<ul, ul> P; //ペア　タイプでふ

int main()
{
    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    ll count = 0;

    ll e = 1;
    ll gcd = 0;
    ll big = max(c, d);
    ll small = min(c, d);
    while (e != 0)
    {
        e = big - small * (big / small);
        big = small;
        gcd = small;
        small = e;
    }
    big = max(c, d);
    small = min(c, d);

    ll lcm = c * d / gcd;
    ll blcm = b % lcm;
    ll alcm = a % lcm;
    count += ((b - b % lcm) / lcm - (a - a % lcm) / lcm) * (lcm / c - 1 + lcm / d - 1 + 1);
    if (blcm != 0 && alcm != 0 && b - blcm != 0 && a - alcm != 0)
    {
        count += (blcm / small) + (blcm / big) - (alcm / big) - (alcm / small) - 1;
    }
    else if (b - blcm == 0 || a - alcm == 0)
    {
        count += (blcm / small) + (blcm / big) - (alcm / big) - (alcm / small);
    }
    else if (alcm == 0)
    {
        count += (blcm / small) + (blcm / big);
    }
    else if (blcm == 0)
    {
        count -= (alcm / big) + (alcm / small) + 1;
    }
    else
    {
        count -= 1;
    }

    cout << b - a - count;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc:7:9: error: 'pair' does not name a type
    7 | typedef pair<ul, ul> P; //ペア　タイプでふ
      |         ^~~~
a.cc: In function 'int main()':
a.cc:12:5: error: 'cin' was not declared in this scope
   12 |     cin >> a >> b >> c >> d;
      |     ^~~
a.cc:17:14: error: 'max' was not declared in this scope
   17 |     ll big = max(c, d);
      |              ^~~
a.cc:18:16: error: 'min' was not declared in this scope; did you mean 'main'?
   18 |     ll small = min(c, d);
      |                ^~~
      |                main
a.cc:54:5: error: 'cout' was not declared in this scope; did you mean 'count'?
   54 |     cout << b - a - count;
      |     ^~~~
      |     count
Language: C++

#include<iostream>
using namespace std;

int main(){
    double A,B;
    int C,D;
    cin>>A>>B>>C>>D;
    double c=B-A+1,d;
    int a[c],j=0;
    for(int i=A;i<=B;i++){
    a[j]=i;
    j++;
    }
    for(int i=0;i<c;i++){
        if(a[i]%C!=0&&a[i]%D==0)
        d++;
    }
    cout<<d<<endl;
    return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:9:11: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    9 |     int a[c],j=0;
      |           ^
a.cc:9:11: error: could not convert 'c' from 'double' to 'long unsigned int'
    9 |     int a[c],j=0;
      |           ^
      |           |
      |           double
a.cc:9:11: error: size of array 'a' has non-integral type 'double'
Language: C++

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

int main(){int euclid( int a, int b )
{
    int temp;

    if( a < b ) { temp = a; a = b; b = temp; }
    if( b < 1 ) return -1;

    if( a % b == 0 ) return b;
    return euclid( b, a % b );
}

	long long A,B,C,D;
	cin >>A>>B>>C>>D;
	long long N=B-A+1;
    long long p=euclid(C,D);
	long long ac=A+(C-A%C);
	long long ad=A+(D-A%D);
	long long acd=A+(p-A%p);
	if(A%C==0)ac=A;
	if(A%D==0)ad=A;
	if(A%p==0)acd=A;
	long long n_ac=1;
	long long n_ad=1;
	long long n_acd=1;
	
	int l=1;
	while(1){
		if(ac+C*n_ac>B){break;}
			n_ac++;
	}
	while(1){
			if(ad+D*n_ad>B){break;}
				n_ad++;
		}
	while(1){
			if(acd+p*n_acd>B){break;}
				n_acd++;
		}
	cout <<N-((n_ac+n_ad)-n_acd)<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:1: error: a function-definition is not allowed here before '{' token
    5 | {
      | ^
a.cc:18:17: error: 'euclid' was not declared in this scope
   18 |     long long p=euclid(C,D);
      |                 ^~~~~~
Language: C++

#include <iostream> // cin, cout, cerr, clog
#include <algorithm> // minmax, sort, swap
#include <numeric> // iota, accumulate, inner_product
#include <cstdio> // printf, scanf
#include <climits> // INT_MIN, LLONG_MIN
#include <cmath> // long, trig, pow
#include <string> // string, stoi, to_string
#include <vector> // vector
#include <queue> // queue, priority_queue
#include <stack> // stack
#include <map> // key-value pairs sorted by keys
#include <set> // set
#include <unordered_map> // hashed by keys
#include <unordered_set> // hashed by keys
#include <iomanip> // cout<<setprecision(n)

#define rep(i,n) for(int i = 0; i < n; i++)
#define ENDL "\n"
#define print(i) std::cout << (i) << "\n"

#define int long long // at least int64 > 9*10^18
#define all(v) v.begin(), v.end()

int gcd(int a, int b) {
  if (b==0) return a;
  return gcd(b,a%b);
}
 
signed main() {
    int a,b,c,d;
    std::cin >> a >> b >> c >> d;
    a--;
    int sum = b/c+b/d-b/(c*d/gcd(c,d))-(a/c+a/d-a/(c*d/gcd(c,d));
    print(b-a-sum);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:65: error: expected ')' before ';' token
   33 |     int sum = b/c+b/d-b/(c*d/gcd(c,d))-(a/c+a/d-a/(c*d/gcd(c,d));
      |                                        ~                        ^
      |                                                                 )
Language: C++

#include<iostream>
using namespace std;

int main(){
    double A,B;
    double C,D;
    cin>>A>>B>>C>>D;
    double c=B-A+1;
    double a[c],d,j=0;
    for(int i=A;i<=B;i++){
    a[j]=i;
    j++;
    }
    for(int i=0;i<c;i++){
        if(a[i]%C!=0&&a[i]%D==0)
        d++;
    }
    cout<<d<<endl;
    return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    9 |     double a[c],d,j=0;
      |              ^
a.cc:9:14: error: could not convert 'c' from 'double' to 'long unsigned int'
    9 |     double a[c],d,j=0;
      |              ^
      |              |
      |              double
a.cc:9:14: error: size of array 'a' has non-integral type 'double'
a.cc:11:6: error: invalid types 'double [1][double]' for array subscript
   11 |     a[j]=i;
      |      ^
a.cc:15:16: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   15 |         if(a[i]%C!=0&&a[i]%D==0)
      |            ~~~~^~
      |               | |
      |               | double
      |               double
a.cc:15:27: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   15 |         if(a[i]%C!=0&&a[i]%D==0)
      |                       ~~~~^~
      |                          | |
      |                          | double
      |                          double
Language: C++

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

int main()
{
  long A, B, C, D;
  cin >> A >> B >> C >> D;
  long answer = B - A + 1;

  long C_count = B / C - (A - 1) / C;
  long D_count = B / D - (A - 1) / D;

  long a = max(C, D);
  long b = min(C, D);
  long x = C * D;
  int r = a % b;
  while (r != 0)
  {
    a = b;
    b = r;
    r = a % b;
  }
  long n = x / b;
  long min_kobaisu_count = B / n - (A - 1) / n;

  long answer = sum - C_count - D_count + min_kobaisu_count;
  cout << answer << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:8: error: redeclaration of 'long int answer'
   26 |   long answer = sum - C_count - D_count + min_kobaisu_count;
      |        ^~~~~~
a.cc:8:8: note: 'long int answer' previously declared here
    8 |   long answer = B - A + 1;
      |        ^~~~~~
a.cc:26:17: error: 'sum' was not declared in this scope
   26 |   long answer = sum - C_count - D_count + min_kobaisu_count;
      |                 ^~~
Language: C++

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

int main(){
    ll a1,b1,a,b,c=0,d=0,e,m,n,k,o=0,p,l,q,x1,y1,z,max1=0,s=0,ans,r,i1=-1,x,w,h,y,j1;
    string t,u;
    
    cin>>a>>b>>c>>d;
    a1=c;
    b1=d;
    while(1) {
    if(a1 < b1) swap(a1, b1);
    if(!b1) break;
    a1 %= b1;
  }
  a1=d*c/a1;
  ans=b-a+1-(b/c-(a-1)/c+b/d-(a-1)/d-b/a1+(a-1)/a1)
    cout<<ans<<endl;
    
}



Compiler output:
a.cc: In function 'int main()':
a.cc:21:52: error: expected ';' before 'cout'
   21 |   ans=b-a+1-(b/c-(a-1)/c+b/d-(a-1)/d-b/a1+(a-1)/a1)
      |                                                    ^
      |                                                    ;
   22 |     cout<<ans<<endl;
      |     ~~~~
Language: C++

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

using namespace std;
int main(int argc, const char * argv[]) {
    
    
    long a, b, c, d;
    cin >> a >> b >> c >> d;
    a--;
    long be = (b)/c; // cout << e << " ";
    long bf = (b)/d; // cout << f << " ";
    long ae = (a)/c; // cout << e << " ";
    long af = (a)/d; // cout << f << " ";

    long gcd = __algo_gcd(d, c); // cout << gcd << " ";
    long lcm = c * d / gcd; // cout << lcm << " ";
    long bg = (b)/lcm; // cout << g << " ";
    long ag = (a)/lcm; // cout << g << " ";

    cout << (b- (be+bf-bg)) - (a  -(ae+af-ag)) << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:25:16: error: '__algo_gcd' was not declared in this scope
   25 |     long gcd = __algo_gcd(d, c); // cout << gcd << " ";
      |                ^~~~~~~~~~
Language: C++

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

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

int main()
{
    
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    ll a,b,c,d;
    
    cin>>a>>b>>c>>d;a
    
    ll count = 0;
    
    ll num = b-a - (b/c)-(b/d)+((a-1)/c)+((a-1)/d)+(b/(lcm(c,d)))+((a-1)/lcm(c,d));
    
    cout<<num+1<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:22: error: expected ';' before 'unsigned'
   19 |     cin>>a>>b>>c>>d;a
      |                      ^
      |                      ;
Language: C++

#include<iostream>
using namespace std;

int main(){
    double A,B;
    int C,D;
    cin>>A>>B>>C>>D;
    double c=B-A+1;
    double a[c],d,j=0;
    for(int i=A;i<=B;i++){
    a[j]=i;
    j++;
    }
    for(int i=0;i<c;i++){
        if(a[i]%C!=0&&a[i]%D==0)
        d++;
    }
    cout<<d<<endl;
    return 0;
    }
    

Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    9 |     double a[c],d,j=0;
      |              ^
a.cc:9:14: error: could not convert 'c' from 'double' to 'long unsigned int'
    9 |     double a[c],d,j=0;
      |              ^
      |              |
      |              double
a.cc:9:14: error: size of array 'a' has non-integral type 'double'
a.cc:11:6: error: invalid types 'double [1][double]' for array subscript
   11 |     a[j]=i;
      |      ^
a.cc:15:16: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   15 |         if(a[i]%C!=0&&a[i]%D==0)
      |            ~~~~^~
      |               | |
      |               | int
      |               double
a.cc:15:27: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   15 |         if(a[i]%C!=0&&a[i]%D==0)
      |                       ~~~~^~
      |                          | |
      |                          | int
      |                          double
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <math.h>
#include <numeric>

using namespace std;
int ggd(int x, int y) {
	cin >> x >> y;
	int m = x;
	int n = y;

	if (y > x) {
		m = y;
		n = x;
	}

	while (m != n) {
		int temp = n;
		n = m - n;
		m = temp;
	}

	return m;
}

int lcm(int x, int y) {
	return x * y / ggd(x, y);
}

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

Compiler output:
a.cc: In function 'int main()':
a.cc:35:79: error: '\U0000ff43' was not declared in this scope
   35 |         long long int f = b - a + 1 - b / c + a / c - b / d + a / d + b / lcm(ｃ, ｄ) - a / lcm(ｃ, ｄ);
      |                                                                               ^~
a.cc:35:83: error: '\U0000ff44' was not declared in this scope
   35 |         long long int f = b - a + 1 - b / c + a / c - b / d + a / d + b / lcm(ｃ, ｄ) - a / lcm(ｃ, ｄ);
      |                                                                                   ^~
Language: C++

#include<iostream>
using namespace std;

int main(){
    double A,B;
    int C,D;
    cin>>A>>B>>C>>D;
    double c=B-A+1;
    int a[c],d,j=0;
    for(int i=A;i<=B;i++){
    a[j]=i;
    j++;
    }
    for(int i=0;i<c;i++){
        if(a[i]%C!=0&&a[i]%D==0)
        d++;
    }
    cout<<d<<endl;
    return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:9:11: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    9 |     int a[c],d,j=0;
      |           ^
a.cc:9:11: error: could not convert 'c' from 'double' to 'long unsigned int'
    9 |     int a[c],d,j=0;
      |           ^
      |           |
      |           double
a.cc:9:11: error: size of array 'a' has non-integral type 'double'
Language: C++

#include<iostream>
using namespace std;
typedef long long ll;
ll gcd(ll a, ll b){
	return b ? gcd(b, a%b) : a;
}
int main(){
	ll a, b, c, d;
	ll flag = 0;
	cin >> a >> b >> c >> d;
	ll k, l,s,t,j, n;
	k = a / c;
	l = a / d;
	if(a / c != 0)
	   k++;
	if(a / d != 0)
	l++
	s = b / c;
	if(b % c != 0)
	   s++;
	t = b / d;
	if(b % d != 0)
	    t++;
	j = a / (c * d / gcd(c, d));
	n = b / (c * d / gcd(c, d));
	cout << b - a - (s - k) - (t - l) + (n - j);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:12: error: expected ';' before 's'
   17 |         l++
      |            ^
      |            ;
   18 |         s = b / c;
      |         ~
Language: C++

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

long long a, b, c, d;
long longA, B, C;
long long ans;

long long LCM(long long a, long long b) {
	if (a < b) {
		swap(a, b);
	}
	long long r = a % b;
	long long x = a * b;
	while (r != 0) {
		a = b;
		b = r;
		r = a % b;
	}
	return x / b;
}

int main() {
	cin >> a >> b >> c >> d;
	if (a < b) {
		swap(a, b);
	}
	a -= b;
	A = a / c;
	B = a / d;
	C = a / LCM(c, d);

	cout << a-(A+B-C) << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:9: error: 'A' was not declared in this scope
   34 |         A = a / c;
      |         ^
Language: C++

#include <iostream>
#include <numeric>
#include <cstdio>
#include <math.h>
using namespace std;

int gcd(double m, double n) {
    double x = max(m, n);
    double y = min(m, n);
    double z;
    if (x % y == 0) return y;
    while(x % y != 0) {
        z = x % y;
        x = y;
        y = z;
    }
    return z;
}
 
int lcm(double x, double y) {
    return ((x * y) / gcd(x, y));
}

int main(void){
    double A, B, C, D;
    scanf("%lf %lf %lf %lf", &A, &B, &C, &D);
    
    int div_c_min = ceil(float(A/C));
    int div_c_max = floor(float(B/C));
    int div_c_num = div_c_max - div_c_min + 1;
    
    int div_d_min = ceil(float(A/D));
    int div_d_max = floor(float(B/D));
    int div_d_num = div_d_max - div_d_min + 1;
    
    int lcm_cd = lcm(C, D);
    int div_cd_min = ceil(float(A / lcm_cd));
    int div_cd_max = floor(float(B / lcm_cd));
    int div_cd_num = div_cd_max - div_cd_min + 1;
    
    int numAtoB = B - A + 1;
    int ans = numAtoB - (div_c_num + div_d_num - div_cd_num);
    
    cout << ans << endl;
    
    return 0;
}


Compiler output:
a.cc: In function 'int gcd(double, double)':
a.cc:11:11: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   11 |     if (x % y == 0) return y;
      |         ~ ^ ~
      |         |   |
      |         |   double
      |         double
a.cc:12:13: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   12 |     while(x % y != 0) {
      |           ~ ^ ~
      |           |   |
      |           |   double
      |           double
a.cc:13:15: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   13 |         z = x % y;
      |             ~ ^ ~
      |             |   |
      |             |   double
      |             double
Language: C++

#include <bits/stdc++.h>
#include <numeric>
#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;

int main(){
    long a,b,c,d,e=0,x,y,z;
    cin >> a >> b >> c >> d;
    x=b/(c*d);
    y=a/(c*d);
    for(int i=a;i<=b;i++){
        if(i%(c*d)==0) break;
        else e++;
    }
    z=e+(x-y)*(c*d-1)+b-x*cd;
    cout << z << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:27: error: 'cd' was not declared in this scope; did you mean 'd'?
   17 |     z=e+(x-y)*(c*d-1)+b-x*cd;
      |                           ^~
      |                           d
Language: C++

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

int GCD(unsigned long long a, unsigned long long b) {
  if(a < b) return GCD(b, a);
  unsigned long long r;
  while ((r=a%b)) {
    a = b;
    b = r;
  }
  return b;
}

int LCM(unsigned long long a, unsigned long long b){
	return a * b / GCD(a, b);
}

int main(){
	unsigned long long A, B;
	int C, D;
	cin >> A >> B >> C >> D;
	
	unsigned long long range = B - A + 1;
	unsigned long long Ck = B / C - A / C;
	if(B % C != 0){
		Ck++;
	}
	if(A % C == 0){
		Ck++;
	}
	unsigned long long Dk = B / D - A / D;
	if(B % D != 0){
		Dk++;
	}
	if(A % D == 0){
		Dk++;
	}
	unsigned long long CD = LCM(C, D);
	unsigned long long CDk = B / CD - A / CD;
	if(B / CD != 0){
		DCk++;
	}
	if(A % CD == 0){
		CDk++;
	}
	unsigned long long ans = range - Ck - Dk + CDk;
	
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:17: error: 'DCk' was not declared in this scope; did you mean 'CDk'?
   41 |                 DCk++;
      |                 ^~~
      |                 CDk
Language: C++

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


int gcd(int x, int y) {
  if (y == 0) return x;
  return gcd(y, x%y);
}

int main() {
  int a,b;cin>>b>>a;  
  int c,d; cin>> c >> d ;
  int go = gcd(c,d);
  int lcm = go*(c/go)*(d/go);
  
  int ansa= (a-a/d)+(a-a/c)-(a-a/lcm);
  int ansb = (b-b/d)+(b-b/c)-(b-b/lcm);
cout << ansa-ansb+1 << endl;
  return 0;
}
  

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:12:11: error: 'cin' was not declared in this scope
   12 |   int a,b;cin>>b>>a;
      |           ^~~
a.cc:19:1: error: 'cout' was not declared in this scope
   19 | cout << ansa-ansb+1 << endl;
      | ^~~~
a.cc:19:24: error: 'endl' was not declared in this scope
   19 | cout << ansa-ansb+1 << endl;
      |                        ^~~~
Language: C++

#include<iostream>
#include<cstdio>
#include<queue>
#include<string>

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define FORS(i,a,b) for(int i=(a);i<=(b);i++)
#define FORR(i,a,b) for(int i=(a);i>=(b);i--)
#define rep(i,n) FOR(i,0,n)
#define repr(i,n) FORR(i,n,0)
#define si(n) scanf("%d", &n)
#define sc(s) scanf("%s", s)

using namespace std;
typedef pair<int, int> P;

unsigned long long int a,b,c,d;
int main(void){
    scanf("%llu %llu %llu %llu", &a, &b, &c, &d);


    if(c<d){
        unsigned long long int tmp = c;
        c = d;
        d = tmp;
    }

    unsigned long long int C = c;
    unsigned long long int D = d;
    unsigned long long int r = c % d;
    while(r!=0){
        C = D;
        D = r;
        r = C % D;
    }

    unsigned long long int saisyo = c*d / D;

    unsigned long long int cx = c;
    unsigned long long int dx = d;

    unsigned long long int t = 0;

    t = ( (b/c) - (a/c) + (b/d)-(a/d) -((b/saisyo)-(a/saisyo)) )

    printf("%llu\n", b-a-t);
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:44:65: error: expected ';' before 'printf'
   44 |     t = ( (b/c) - (a/c) + (b/d)-(a/d) -((b/saisyo)-(a/saisyo)) )
      |                                                                 ^
      |                                                                 ;
   45 | 
   46 |     printf("%llu\n", b-a-t);
      |     ~~~~~~
Language: C++

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

ll term(ll a, ll d, ll b)
{
	if(a%d == 0)
return (b-a)/d + 1;
else
{
	ll temp = a+d-(a%d);
	if(b-temp >= 0)
return (b-temp)/d + 1;	
esle return 0;
}
}
int main() {
	ll a, b, c, d;
	cin >> a >> b >> c >> d;
	ll n1 = term ( a, c, b);
	ll n2 = term (a, d, b);
	ll n3 = term (a, c*d, b);
	ll t = b-a+1;

	cout << t-(n1-n3 +n2-n3+n3);
	
	// your code goes here
	return 0;
}


Compiler output:
a.cc: In function 'long long int term(long long int, long long int, long long int)':
a.cc:14:1: error: 'esle' was not declared in this scope
   14 | esle return 0;
      | ^~~~
a.cc:16:1: warning: control reaches end of non-void function [-Wreturn-type]
   16 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int64_t A, B;
  int C, D, E, F, G, H, I, J;
  cin >> A >> B >> C >> D;
  int64_t count = B - A + 1;
  E = A/C;
  F = B/C;
  G = A/D;
  H = B/D;
  I = A/(C*D);
  J = B/(C*D);
  if ( C > D ) {
    if ( C%D != 0 ) {
		count = count - (F - E + 1) - (H - G + 1) + (J - I + 1);
    }
    else{
        count = count - (H - G + 1);
    }
  }
  if ( C =< D ) {
    if ( D%C != 0 ) {
		count = count - (F - E + 1) - (H - G + 1) + (J - I + 1);
    }
    else{
      count - (F - E + 1);
    }
  }
  
  cout << count << endl; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:11: error: expected primary-expression before '<' token
   23 |   if ( C =< D ) {
      |           ^
Language: C

#include<stdio.h>
int main(void){
  long long int a,b,c,d;
  scanf("%lld%lld%lld%lld",&a,&b,&c,&d);
  long long int cnt=0;
  long long int cnt1=0;
  long long int i=0;
  long long int e[b-a+1];
  for(i=a;i<=b;i++){
    if((i % c ==0){
      cnt+=(b/i-a/i);
      if(i%(c*d)==0){
        cnt1+=(b/i-a/i);
      }
      i++;
    }else if(i % d ==0){
      cnt+=(b/i-a/i);
      if(i%(c*d)==0){
        cnt1+=(b/i-a/i);
      }
      i++;
    }

  }


  printf("%lld",a-b+1-cnt+cnt1/2);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:19: error: expected ')' before '{' token
   10 |     if((i % c ==0){
      |       ~           ^
      |                   )
main.c:24:3: error: expected expression before '}' token
   24 |   }
      |   ^
Language: Java

import java.util.*;
import java.lang.*;
import java.io.*;

public class Main{	
public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	long a = Long.parseLong(sc.next());
	long b = Long.parseLong(sc.next());
	int c = sc.nextInt());
	int  d = sc.nextInt();
	long s=0;
	
	
	if(c!=d){
		long z = lcm(c,d);
		
		long x = b/c - (a-1)/c;   
		long y = b/d - (a-1)/d;
		long w = b/(z) - (a-1)/(z);
		s = b-a+1-x-y+w;
	}else{
		long x = b/c - (a-1)/c;
		s = b-a+1-x;
	}	
	
	
	System.out.println(s);
}

static int lcm (int a, int b) { 	
	int temp; 	
	long c = a; 	
	c *= b; 	
	while((temp = a%b)!=0) { 	
			a = b; 	
				b = temp; 
					} 	
	return (int)(c/b); 
	}
}


Compiler output:
Main.java:10: error: ';' expected
	int c = sc.nextInt());
	                    ^
1 error
Language: C++

#include <bits/stdc++.h>
#include <math.h>
using namespace std;
 long long int f(long long int x,long long int A, long long int B)
 {long long int aiu;
 //if((B-A)%x==0&&A%x!=0)aiu=(B-A)/x;
 //else aiu=1+(B-A)/x;
  aiu=(B/x)-((A-1)/x);
   return aiu;
 }


int main() {
	int sum=0;
  	long long int a,b,c,d,e,ftemp,r;
  	cin>>a>>b>>c>>d;
   	  /* 自然数 a > b を確認・入替 */
  	e=c;
  	f=d;
  if(e<f){
    tmp = e;
    e = f;
    f = tmp;
  }
 
  /* ユークリッドの互除法 */
  r = e % f;
  while(r!=0){
    e = f;
    f = r;
    r = e % f;
  }


  cout<<b-a+1-f(c,a,b)-f(d,a,b)+f(c*d/f,a,b)<<endl;
 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:10: error: assignment of function 'long long int f(long long int, long long int, long long int)'
   19 |         f=d;
      |         ~^~
a.cc:20:7: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   20 |   if(e<f){
      |      ~^~
a.cc:21:5: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   21 |     tmp = e;
      |     ^~~
      |     tm
a.cc:22:9: error: invalid conversion from 'long long int (*)(long long int, long long int, long long int)' to 'long long int' [-fpermissive]
   22 |     e = f;
      |         ^
      |         |
      |         long long int (*)(long long int, long long int, long long int)
a.cc:27:9: error: invalid operands of types 'long long int' and 'long long int(long long int, long long int, long long int)' to binary 'operator%'
   27 |   r = e % f;
      |       ~ ^ ~
      |       |   |
      |       |   long long int(long long int, long long int, long long int)
      |       long long int
a.cc:29:9: error: invalid conversion from 'long long int (*)(long long int, long long int, long long int)' to 'long long int' [-fpermissive]
   29 |     e = f;
      |         ^
      |         |
      |         long long int (*)(long long int, long long int, long long int)
a.cc:30:7: error: assignment of function 'long long int f(long long int, long long int, long long int)'
   30 |     f = r;
      |     ~~^~~
a.cc:31:11: error: invalid operands of types 'long long int' and 'long long int(long long int, long long int, long long int)' to binary 'operator%'
   31 |     r = e % f;
      |         ~ ^ ~
      |         |   |
      |         |   long long int(long long int, long long int, long long int)
      |         long long int
a.cc:35:38: error: invalid operands of types 'long long int' and 'long long int(long long int, long long int, long long int)' to binary 'operator/'
   35 |   cout<<b-a+1-f(c,a,b)-f(d,a,b)+f(c*d/f,a,b)<<endl;
      |                                   ~~~^~
      |                                    |  |
      |                                    |  long long int(long long int, long long int, long long int)
      |                                    long long int
Language: C

#include <stdio.h>

long long int lcm(long long int a, long long int b){
	long long int x, tmp, r;
 x = a * b;
 
  if(a<b){
    tmp = a;
    a = b;
    b = tmp;
  }
 
  r = a % b;
  while(r!=0){
    a = b;
    b = r;
    r = a % b;
  }

	return x/b;
}

int main(){
	long long int a, b, c, d;
	scanf("%lld %lld %lld %lld", &a, &b, &c, &d);
	long long int i, ans=0, x, y, z;
    
    x = (b-a+1+a%c)/c;
    y = (b-a+1+a%d)/d;
    z = (b-a+1+a%lcm(c,d))/lcm(c,d)
    if (a%c==0) x++;
    
    printf("%d %d %d ", x, y, z);
	
	printf("%lld", (b-a+1)-x-y+z);
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:30:36: error: expected ';' before 'if'
   30 |     z = (b-a+1+a%lcm(c,d))/lcm(c,d)
      |                                    ^
      |                                    ;
   31 |     if (a%c==0) x++;
      |     ~~
Language: C++

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


string S;
long long N, L, a, b, i, j, Ans = 0, c, d;
long long judge1, judge2, judge3;
long long main() {
	cin >> a >> b >> c >> d;
	L = c * d;

	judge2 = b / c - a / c;
	if (a%c == 0)
		judge2 += 1;
	judge3 = b / d - a / d;
	if (a%d == 0)
		judge3 += 1;
	long long tmp;

	if (c < d) {
		tmp = c;
		c = d;
		d = tmp;
	}
	long long r;
	r = c % d;
	while (r != 0) {
		c = d;
		d = r;
		r = c % d;
	}
	L = L / d;

	judge1 = b / L - a / L;
	if (a%L == 0)
		judge1 += 1;

	//	cout << judge1 << endl << judge2 << endl << judge3;
	Ans = b - a - (judge2 + judge3 - judge1) + 1;

	cout << Ans << endl;
	return 0;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

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

int main(){
	long a,b;
    int c,d,cnt1=0;
  	cin >> a >> b >> c >> d;
  	for(long i=a;i<=b;i++){
      	if(i%c!=0 && i%d!=0) cnt++;
    }
  cout << cnt << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:30: error: 'cnt' was not declared in this scope; did you mean 'cnt1'?
    9 |         if(i%c!=0 && i%d!=0) cnt++;
      |                              ^~~
      |                              cnt1
a.cc:11:11: error: 'cnt' was not declared in this scope; did you mean 'cnt1'?
   11 |   cout << cnt << endl;
      |           ^~~
      |           cnt1
Language: C++

#include<iostream>
using namespace std;
#define rep(i, a, b) for(ll i=(a); i<=(b); i++)
typedef long long ll;
#include<cmath>
ll gcd(ll x, ll y){
  if(x < y) swap(x,y);
  if(y == 0) return x;
  return gcd(x%y,y);
  //if we use '%', O(log(MAX_X)), much more effecient than '-'.
}

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

int main(){
  ll A,B,C,D, res = 0;
  cin >> A >> B >> C >> D;

  ll lcm1 = lcm(C,D), temp1=C,temp2=D;
  ll mini = min(temp1,temp2);
  ll maxi = max(temp1,temp2);
 
  ll dist1 = B - (A+ ((A>=C) ? (C-A%C) : (C-A)))+1;
  ll dist2 = B - (A+ ((A>=D) ? (D-A%D) : (D-A)))+1;
  ll dist3 = B - (A+ ((A>=lcm1) ? (lcm1 - A%lcm1) : (lcm1-A)))+1;
  if(dist1>0) res++;
  else dist1 = 0;
  if(dist2>0) res++;
  else dist2 = 0;
  if(dist3>0) res--;
  else dist3 = 0;
  //cout<<dist1/C << " " << dist2/D << " " << dist3/lcm1 << endl;
  ll res = (B-A+1) - (dist1/C + dist2/D - dist3/lcm1 + res);

  if(dist1==0&&dist2==0&&dist3!=0){
    cout<<1<<endl;
    return 0;
  }
  if(res >=0){
    cout<<(B-A+1) - (dist1/C + dist2/D - dist3/lcm1 + res) <<endl;
  }
  else cout << 0 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:6: error: redeclaration of 'll res'
   35 |   ll res = (B-A+1) - (dist1/C + dist2/D - dist3/lcm1 + res);
      |      ^~~
a.cc:18:15: note: 'll res' previously declared here
   18 |   ll A,B,C,D, res = 0;
      |               ^~~