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

#include<iostream>
int main(){
int L,R,d;
int ans=0;

std::cin >> L >> R >> d;
for(int i=L;i<=R;++i){
if(i%d==0){
++ans;
}
}
dtd::cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:1: error: 'dtd' has not been declared
   12 | dtd::cout << ans << endl;
      | ^~~
a.cc:12:21: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 | dtd::cout << ans << endl;
      |                     ^~~~
      |                     std::endl
In file included from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

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

#define     FasterIO        ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define     bug(a,b)        cout<<a<<"\t"<<b<<"\n";
#define     Case(a,b)       cout<<"Case "<<a<<": "<<b<<"\n";
#define     precision(a,b)  fixed<<setprecision(a)<<b
#define     lp(i,a,b)       for(int i=a;i<b;i++)
#define     Endl            "\n"
#define     tab             "\t"
#define     reset(a,b)      memset(a,b,sizeof(a));
#define     sf(a)           scanf(" %d", &a);
#define     sfl(a)          scanf(" %lld", &a);
#define     srt(a)          sort(a.begin(),a.end());
#define     ALL(a)          a.begin(),a.end()
#define     pi              2*acos(0.0)

typedef long long int ll;
typedef unsigned long long int ull;

const int sz=1e5+9 , inf=INT_MAX ,mod=1e9+7;


void solve(){
    lldl,r,d,ans=0 ;
    cin>>l>>r>>d;

    ans=r/d;
    if(l%d==0){
        ans-=(l/d)-1;
    }else{
        ans-=(l/d);
    }
    cout<<ans<<Endl;

    
}

int main(){
    FasterIO;
    #ifndef ONLINE_JUDGE
        freopen("input.in","r",stdin);
        freopen("output.in","w",stdout);
    #endif
    int t=1;
    // cin>>t;
    while(t--)
        solve();
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:25:5: error: 'lldl' was not declared in this scope
   25 |     lldl,r,d,ans=0 ;
      |     ^~~~
a.cc:25:10: error: 'r' was not declared in this scope
   25 |     lldl,r,d,ans=0 ;
      |          ^
a.cc:25:12: error: 'd' was not declared in this scope
   25 |     lldl,r,d,ans=0 ;
      |            ^
a.cc:25:14: error: 'ans' was not declared in this scope; did you mean 'abs'?
   25 |     lldl,r,d,ans=0 ;
      |              ^~~
      |              abs
a.cc:26:10: error: 'l' was not declared in this scope; did you mean 'll'?
   26 |     cin>>l>>r>>d;
      |          ^
      |          ll
Language: Java

import java.util.*;
public class Main
{
  public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int r=in.nextInt();
    int l=in.nextInt();
    int D=in.nextInt();
    d=r%d;
    if(r+d>l)
    {
      System.out.println("0");
    }
    else
    {
      int c=0;
      r=r+d;
      int a=d;
      while(r<=l)
      {
       c++;
        r=r+a;
      }
      System.out.println(c);
    }
  }
}

Compiler output:
Main.java:10: error: cannot find symbol
    d=r%d;
    ^
  symbol:   variable d
  location: class Main
Main.java:10: error: cannot find symbol
    d=r%d;
        ^
  symbol:   variable d
  location: class Main
Main.java:11: error: cannot find symbol
    if(r+d>l)
         ^
  symbol:   variable d
  location: class Main
Main.java:18: error: cannot find symbol
      r=r+d;
          ^
  symbol:   variable d
  location: class Main
Main.java:19: error: cannot find symbol
      int a=d;
            ^
  symbol:   variable d
  location: class Main
5 errors
Language: Java

import java.util.*;
public class Main
{
  public static void main(String args[])
  {
    Scanner in=new Scanner(System.in);
    int r=in.nextInt();
    int l=in.nextInt();
    int D=in.nextInt();
    d=r%d;
    if(r+d>l)
    {
      System.out.println("0");
    }
    else
    {
      int c=0;
      r=r+d;
      int a=d;
      while(r<=l)
      {
       c++;
        r=r+a;
      }
      System.out.println(c);
    }
  }

Compiler output:
Main.java:27: error: reached end of file while parsing
  }
   ^
1 error
Language: C++

l,r,d = map(int,input().split())
  ans = 0
  for i in (l, r + 1):
	if i % d == 0 :
		ans += 1
print(ans)

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

#include <iostream>
using namespace std;
int main(void){
  int a,b,c;
  cin >> a;
  cin >> b;
  cin >> c;
  a = b - a;
  a = a/c
  cout << a;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:10: error: expected ';' before 'cout'
    9 |   a = a/c
      |          ^
      |          ;
   10 |   cout << a;
      |   ~~~~
Language: Java


import java.util.Scanner;

public class Main {
  
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
    int L = sc.nextInt();
    int R = sc.nextInt();
    int d = sc.nextInt();
    ini count = 0;
    
    for(int i = L / d; i < R ; i++)
    {
      if(i * d % R)
      {
          count += 1;
      }
    }
    
    System.out.println(count);
      
  }
}

Compiler output:
Main.java:12: error: cannot find symbol
    ini count = 0;
    ^
  symbol:   class ini
  location: class Main
Main.java:16: error: incompatible types: int cannot be converted to boolean
      if(i * d % R)
               ^
2 errors
Language: C++

#include <iostream>
using namespace std;
int main(void){
  int a,b,c;
  cin >> a;
  cin >> b;
  cin >> c;
  b = (b - b%c)/c
  a = (a - a%c)/c
  a = b - a
  cout << a
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: expected ';' before 'a'
    8 |   b = (b - b%c)/c
      |                  ^
      |                  ;
    9 |   a = (a - a%c)/c
      |   ~
Language: C

#include <bits/stdc++.h>
//v.erase(unique(v.begin(),v.end()),v.end());
 
#define ff first
#define ss second
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL)
 
typedef double ld;
typedef long long ll;
const ll N = 5000500;
const ll mod = 1000000007;
const ll INF = 1e+9;
using namespace std;
//using namespace __gnu_pbds;
 
//typedef tree<pair<ll, ll>,null_type,less<pair<ll, ll>>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
 
#define TRACE
#ifdef TRACE
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) {
  cerr << name << " : " << arg1 << endl;}
 
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args) {
  const char* comma = strchr(names + 1, ',');
  cerr.write(names, comma - names) << " : " << arg1<<" | ";
  __f(comma+1, args...);}
#else
#define trace(...)
#endif
      
int xd[N];
ld wea[N];
ld mangoldt[N];
int used[N];

void solve(){
	
    for(int i = 1; i < N; i++){
		xd[i] = i - (i/2) - (i/3) - (i/5) + (i/30);
	}
	for(int i = 1; i <= 30; i++) trace(i, xd[i]);
	/*
	for(int i = 2; i < N; i++){
		if(!used[i]){
			for(int j = i; j < N; j *= i){
				
				mangoldt[j] = log(i);
			}
			for(int j = i; j < N; j += i){
				used[j] = true;
				
			}
		}
	}
	
	for(int i = 0; i < N; i++){
		wea[i] = 0.0;
		for(int j = 1; j <= i; j++) wea[i] += (mangoldt[j] * xd[i / j]);
	}*/
	
	//calcularemos alpha 
	/*
	int d; cin >> d;
	ld alpha_1 = 0.0;
	for(int i = 1; i <= d / 30; i++){
		alpha_1 += 1.0 * xd[d / i];
	}
	alpha_1 *= 30.0;
	alpha_1 /= (d * 1.0);
	cout << fixed << setprecision(7) << alpha_1 << endl;
	ld aea = 0.0;
	aea += 1/1.0; aea -= 1/6.0;
	aea += 1/7.0; aea -= 1/10.0;
	aea += 1/11.0; aea -= 1/12.0;
	aea += 1/13.0; aea -= 1/15.0;
	aea += 1/17.0; aea -= 1/18.0;
	aea += 1/19.0; aea -= 1/20.0;
	aea += 1/23.0; aea -= 1/24.0;
	aea += 1/29.0; aea -= 1/30.0;*/

	cout << (0.5413/30 + 0.90288) / 0.92129 << endl;
	

	
}
 
int main(){
    
    int tc = 1;
    //cin >> tc;	
	
    while(tc--) solve();
    
    return 0;
}

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

#include <iostream>
#include <cmath>
using namespace std;
 
int main(){
  int L,R,D;
  cin >> L >> R >> D;
  int ans = 0;
  ans += (L % D == 0 ? 1 : 0);
  ans += (R % D == 0 ? 1 : 0);
  int ans = floor( (double)(R-L-1)/(double)(D) );
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: redeclaration of 'int ans'
   11 |   int ans = floor( (double)(R-L-1)/(double)(D) );
      |       ^~~
a.cc:8:7: note: 'int ans' previously declared here
    8 |   int ans = 0;
      |       ^~~
Language: C++

#include <iostream>
#include <cmath>
using namespace std;
 
int main(){
  int L,R,D;
  cin >> L >> R >> D;
  ans += (L % D == 0 ? 1 : 0);
  ans += (R % D == 0 ? 1 : 0);
  int ans = floor( (double)(R-L-1)/(double)(D) );
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    8 |   ans += (L % D == 0 ? 1 : 0);
      |   ^~~
      |   abs
Language: C++

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

int main(){
  int L,R,D;
  cin >> L >> R >> D;
  int ans = floor( (double)(R-L+1)/(double)(D) );
  ans += (L%D == 0 ? 1 : 0):
  ans += (R%D == 0 ? 1 : 0);
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:28: error: expected ';' before ':' token
    9 |   ans += (L%D == 0 ? 1 : 0):
      |                            ^
      |                            ;
Language: C++

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

int main(){
  int L,R,D;
  cin >> L >> R >> D;
  int ans = ceil( (double)(R-L)/(double)(D) )
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: expected ',' or ';' before 'cout'
    9 |   cout << ans << endl;
      |   ^~~~
Language: C++

#include <iostream>
using namespace std;

int main(){
  int L,R,D;
  cin >> L >> R >> D;
  int ans = ceil( (double)(R-L)/(double)(D) )
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: 'ceil' was not declared in this scope
    7 |   int ans = ceil( (double)(R-L)/(double)(D) )
      |             ^~~~
Language: C++

#include <iostream>
#include <iomanip>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <vector>
#include <algorithm>
#include <numeric>
using namespace std;
#define IOS ios_base::sync_with_stdio(false);cin.tie(0)
#define endl "\n"
#define pb push_back
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define int long long
const int MOD = 1e9 + 7;
const int N = 3e5 + 10;
int32_t main()
{
    IOS;
    int l, r, d;
    cin >> l >> r >> d;
    int cnt = 0;
    for(int i = l; i <= r; i++)
    {
        if(i % d == 0)
            cnt++;
    }
    cout << cnt <<< endl;


}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:36:19: error: expected primary-expression before '<' token
   36 |     cout << cnt <<< endl;
      |                   ^
Language: Java

import java.util.*;
import java.io.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.StringTokenizer;
public class A{
	static FastScanner fs=new FastScanner();
	static PrintWriter pw=new PrintWriter(System.out);
	static void Solve(long the){
		int l=fs.nextInt();
		int r=fs.nextInt();
		int d=fs.nextInt();
		int ans=0;
		for(int i=1;i<200;i++){
			if(d*i>=l && d*i<=r)	ans++;
		}
		pw.print(ans);

		
	}
	public static void main(String args[]){
		long t=1;
		// t=fs.nextInt();
		for(long i=1;i<=t;i++){
			Solve(i);
		}
		pw.close();
	}
	static class FastScanner {
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st=new StringTokenizer("");
		String next(){
			while((!st.hasMoreTokens()) || (st==null)){
				try{
					st=new StringTokenizer(br.readLine());
				}
				catch(IOException e){
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}
		int nextInt(){
			return Integer.parseInt(next());
		}
		int[] readArray(int n){
			int[] a=new int[n];
			for(int i=0;i<n;i++)	a[i]=nextInt();
			return a;
		}
		long nextLong(){
			return Long.parseLong(next());
		}
		double nextDouble(){
			return Double.parseDouble(next());
		}
		String nextLine(){
			String str="";
			try{
				str=br.readLine();
			}
			catch(IOException e){
				e.printStackTrace();
			}
			return str;
		}
	}
}

Compiler output:
Main.java:10: error: class A is public, should be declared in a file named A.java
public class A{
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std
  
int main(void)
  {
  int l,r,n;
  cin>>l>>r>>n;
  int count = 0;
  for(int i=l;i<=r;i++)
    if(i%n==0)
      count++;
  
  cout<<count<<endl;
  return 0;
 }

Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | 
    4 | int main(void)
      | ~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main(){
  cin >> L >> R >> d;
  cout << R/d-(L-1)/d << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'L' was not declared in this scope
    5 |   cin >> L >> R >> d;
      |          ^
a.cc:5:15: error: 'R' was not declared in this scope
    5 |   cin >> L >> R >> d;
      |               ^
a.cc:5:20: error: 'd' was not declared in this scope
    5 |   cin >> L >> R >> d;
      |                    ^
Language: C++

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

int main(){
  cin >> L >> R>> d;
  cout << R/d - (L-1)/d << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'L' was not declared in this scope
    5 |   cin >> L >> R>> d;
      |          ^
a.cc:5:15: error: 'R' was not declared in this scope
    5 |   cin >> L >> R>> d;
      |               ^
a.cc:5:19: error: 'd' was not declared in this scope
    5 |   cin >> L >> R>> d;
      |                   ^
Language: C

#include<stdio.h>

int main(){
  int L.R.d;
  scanf("%d%d%d",&L,&R,&d);
  printf("%d",R/d-(L-1)/d);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    4 |   int L.R.d;
      |        ^
main.c:4:8: error: expected expression before '.' token
main.c:5:19: error: 'L' undeclared (first use in this function)
    5 |   scanf("%d%d%d",&L,&R,&d);
      |                   ^
main.c:5:19: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:22: error: 'R' undeclared (first use in this function)
    5 |   scanf("%d%d%d",&L,&R,&d);
      |                      ^
main.c:5:25: error: 'd' undeclared (first use in this function)
    5 |   scanf("%d%d%d",&L,&R,&d);
      |                         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int L, R, d;
  int cnt = 0;
  cin >> L >> R >> d;
  for(i = L; i <= R; i++){
    if(i%d == 0) cnt++;
  }
  cout << cnt << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i = L; i <= R; i++){
      |       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int L, R, d;
  int cnt = 0;
  cin >> L;
  cin >> R;
  cin >> d;
  for(i = L; i <= R; i++){
    if(i%d == 0) cnt++;
  }
  cout << cnt << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: 'i' was not declared in this scope
   10 |   for(i = L; i <= R; i++){
      |       ^
Language: C++

#include <bits/stdc++.h>

int main(){
  int L, R, d;
  int cnt = 0;
  cin << L;
  cin << R;
  cin << d;
  for(i = L; i < R; i++){
    cnt++;
  }
  cout << cnt << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin << L;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   for(i = L; i < R; i++){
      |       ^
a.cc:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   cout << cnt << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |   cout << cnt << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
#include<limits> 
using namespace std;
 
int main(){
  int a,b,c;
  cin >> a >> b >> c;
  int d=a/c,e=b/c;
  if(numeric_limits<int>::is_integer(a/c)){
    d--;
  }
  cout << (e-d); 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:37: error: 'std::numeric_limits<int>::is_integer' cannot be used as a function
    9 |   if(numeric_limits<int>::is_integer(a/c)){
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
Language: C++

#include<bits/stdc++.h>
#include<limits> 
using namespace std;
 
int main(){
  int a,b,c;
  cin >> a >> b >> c;
  int d=a/c,e=b/c;
  if(numeric_limits::is_integer(a/c)){
    d--;
  }
  cout << (e-d); 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:32: error: qualified-id in declaration before '(' token
    9 |   if(numeric_limits::is_integer(a/c)){
      |                                ^
Language: C++

#include<bits/stdc++.h>
#include<limit.h>
 
using namespace std;
 
int main(){
  int a,b,c;
  cin >> a >> b >> c;
  int d=a/c,e=b/c;
  if(is_integer(a/c)){
    d--;
  }
  cout << (e-d); 
}

Compiler output:
a.cc:2:9: fatal error: limit.h: No such file or directory
    2 | #include<limit.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include<bist/stdc++.h>

using namespace std;

int main(){
  int a,b,c;
  cin >> a >> b >> c;
  int d=a/c,e=b/c;
  if(d==(a/c)){
    d--;
  }
  cout << (e-d); 
}
  

Compiler output:
a.cc:1:9: fatal error: bist/stdc++.h: No such file or directory
    1 | #include<bist/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include<iostream>
using namespace std;

int main()
{
    int l,r,d,x,p;
    cin>>l>>r>>d;
    x=r-l+1;
    p=x/d;
    cout<<p;
    return 0;

}


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

#include<bits/stdc++.h>
using namespace std:
int main(){
  int l,r,d;cin>>l,r,d;
  cout<<r/d-l/d<<endl;
}

Compiler output:
a.cc:2:20: error: expected ';' before ':' token
    2 | using namespace std:
      |                    ^
      |                    ;
a.cc:2:20: error: expected unqualified-id before ':' token
Language: C

#include <math.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int countd(int l, int r, int d) {
    int count = 0;
    for (int i = l; i <= r; i++) {
        if (i % d == 0) {
            count++;
        }
    }
    return count;
}

int main(int argc, char **argv) {
    int l, r, d, ans;
    if (argc >= 4) {
        l = atoi(argv[1]);
        r = atoi(argv[2]);
        d = atoi(argv[3]);
        ans = countd(l, r, d);
    printf("%d\n", ans);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:26:1: error: expected declaration or statement at end of input
   26 | }
      | ^
Language: C

use proconio::input;

fn main(){
    input!{l:i32,r:i32,d:i32};
    let mut ans = 0;
    for i in l..=r {
        if i % d == 0 {ans += 1};
    }
    println!{"{}",ans};
}

Compiler output:
main.c:1:1: error: unknown type name 'use'
    1 | use proconio::input;
      | ^~~
main.c:1:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before '::' token
    1 | use proconio::input;
      |             ^~
main.c:3:1: error: unknown type name 'fn'
    3 | fn main(){
      | ^~
main.c: In function 'main':
main.c:4:5: error: 'input' undeclared (first use in this function); did you mean 'int'?
    4 |     input!{l:i32,r:i32,d:i32};
      |     ^~~~~
      |     int
main.c:4:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:10: error: expected ';' before '!' token
    4 |     input!{l:i32,r:i32,d:i32};
      |          ^
      |          ;
main.c:5:5: error: unknown type name 'let'
    5 |     let mut ans = 0;
      |     ^~~
main.c:5:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'ans'
    5 |     let mut ans = 0;
      |             ^~~
main.c:6:9: error: expected '(' before 'i'
    6 |     for i in l..=r {
      |         ^
      |         (
main.c:6:9: error: 'i' undeclared (first use in this function)
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int L,R,d;
  cin >> L >> R >> d;
  int ans=0;
  for(int i=L;i<=R;i++){
    if(i%d=0) ans++;}
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: lvalue required as left operand of assignment
    8 |     if(i%d=0) ans++;}
      |        ~^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int L,R,d,;
  cin >> L >> R >> d;
  int ans=0;
  for(int i=L;i<=R;i++){
    if(i%d=0) ans++;}
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:13: error: expected unqualified-id before ';' token
    4 |   int L,R,d,;
      |             ^
a.cc:8:9: error: lvalue required as left operand of assignment
    8 |     if(i%d=0) ans++;}
      |        ~^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int L,R,d,;
  cin >> L >> R >> d;
  int ans=0;
  for(int i=L;i<=R;i++){
    if(i%d=0) ans++;
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:13: error: expected unqualified-id before ';' token
    4 |   int L,R,d,;
      |             ^
a.cc:8:9: error: lvalue required as left operand of assignment
    8 |     if(i%d=0) ans++;
      |        ~^~
a.cc:10:2: error: expected '}' at end of input
   10 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int L,R,d,f,n;
  cin >> L >> R >> d;
  for(int i=L;i=R;i++){
    f=i%d;
    int n=0;
      if(f=0) n++;
  cout << n << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:2: error: expected '}' at end of input
   11 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int L,R,d,f,n;
  cin >> L >> R >> d;
  for(int i=L;i=R;i++){
    f=i%d
    int n=0
      if(f=0) n++;
  cout << n << endl;
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: expected ';' before 'int'
    7 |     f=i%d
      |          ^
      |          ;
    8 |     int n=0
      |     ~~~   
a.cc:11:3: error: expected '}' at end of input
   11 |  }
      |   ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define REP2(i, n) for (int i = 1; i <= (int)(n); i++)
#define FOR(i, m, n) for (int i = m; i<n; i++)
#define SORT(x) sort(x.begin(), x.end())
#define REVE(x) reverse(x.begin(), x.end())
#define ALL(x) (x).begin(), (x).end()
#define SUM(x) accumulate(x.begin(), x.end(),0);
#define vint(v,n) vector<int> v(n); REP(i,n) scanf("%lld", &v[i]);
#define vstr(v,n) vector<string> v(n); REP(i,n) scanf("%lld", &v[i]);
int k=0,n=0, m=0, l=0,r=0,a=0, b=0, c=0, d=0,e=0,ans=0,ans2=0,x=0,y=0;
string s,t,S;
signed main() {
  ios_base::sync_with_stdio(false);
    cin >> n;
    vector<int>A(n+1)
        REP2(x,100){
            REP2(y,100){
                REP2(z,100){
                    if((x*(x+y)+y*(y+z)+z*(z+x))<=i){
                        A[i]++;
                    }
                }
            }
        }
       REP(i,n) cout <<A[i]<<endl;

              
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:20: error: expected ',' or ';' before 'for'
    5 | #define REP2(i, n) for (int i = 1; i <= (int)(n); i++)
      |                    ^~~
a.cc:19:9: note: in expansion of macro 'REP2'
   19 |         REP2(x,100){
      |         ^~~~
a.cc:5:54: error: expected ';' before ')' token
    5 | #define REP2(i, n) for (int i = 1; i <= (int)(n); i++)
      |                                                      ^
a.cc:19:9: note: in expansion of macro 'REP2'
   19 |         REP2(x,100){
      |         ^~~~
Language: C++


#include <bits/stdc++.h>
using namespace std;
#define int long long
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define REP2(i, n) for (int i = 1; i <= (int)(n); i++)
#define FOR(i, m, n) for (int i = m; i<n; i++)
#define SORT(x) sort(x.begin(), x.end())
#define REVE(x) reverse(x.begin(), x.end())
#define ALL(x) (x).begin(), (x).end()
#define SUM(x) accumulate(x.begin(), x.end(),0);
#define vint(v,n) vector<int> v(n); REP(i,n) scanf("%lld", &v[i]);
#define vstr(v,n) vector<string> v(n); REP(i,n) scanf("%lld", &v[i]);
int k=0,n=0, m=0, l=0,r=0,a=0, b=0, c=0, d=0,e=0,ans=0,ans2=0,x=0,y=0;
string s,t,S;
signed main() {
  ios_base::sync_with_stdio(false);
    cin >> n;
    vector<LL>A(n+1)
        REP2(x,100){
            REP2(y,100){
                REP2(z,100){
                    if((x*(x+y)+y*(y+z)+z*(z+x))<=i){
                        A[i]++;
                    }
                }
            }
        }
       REP2(i,n) cout <<A[i]<<endl;

              
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:12: error: 'LL' was not declared in this scope; did you mean 'ALL'?
   19 |     vector<LL>A(n+1)
      |            ^~
      |            ALL
a.cc:19:14: error: template argument 1 is invalid
   19 |     vector<LL>A(n+1)
      |              ^
a.cc:19:14: error: template argument 2 is invalid
a.cc:6:20: error: expected ',' or ';' before 'for'
    6 | #define REP2(i, n) for (int i = 1; i <= (int)(n); i++)
      |                    ^~~
a.cc:20:9: note: in expansion of macro 'REP2'
   20 |         REP2(x,100){
      |         ^~~~
a.cc:6:54: error: expected ';' before ')' token
    6 | #define REP2(i, n) for (int i = 1; i <= (int)(n); i++)
      |                                                      ^
a.cc:20:9: note: in expansion of macro 'REP2'
   20 |         REP2(x,100){
      |         ^~~~
a.cc:29:26: error: invalid types 'int[long long int]' for array subscript
   29 |        REP2(i,n) cout <<A[i]<<endl;
      |                          ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
	long long l,r,d;
    l--;
  	ll ans = 0;
  	ans+=r/d;
  	ans-=l/d;
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'll' was not declared in this scope; did you mean 'l'?
    8 |         ll ans = 0;
      |         ^~
      |         l
a.cc:9:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |         ans+=r/d;
      |         ^~~
      |         abs
Language: C++

#include <bits/stdc++.h> 

using namespace std;

int main(){
	int l,r,d;
  cin>>l>>r>>d;
  cout<<(r/d)-/((l-1)/d)<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: expected primary-expression before '/' token
    8 |   cout<<(r/d)-/((l-1)/d)<<endl;
      |               ^
Language: C

//A - Number of Multiples
//Hiia
#include <stdio.h>
#include <stdlib.h>//rannsuu, zettaichi(absolute)
#include <time.h>
//srand((unsigned int) time(0));
#include <math.h>//koudona keisann
#include <string.h>//hairetsu
#define max(p,q)((p)>(q)?(p):(q))
#define min(p,q)((p)<(q)?(p):(q))
typedef long long ll;
//#define N 998244353
#define pi 3.1415926535897932384626433832

int gcd(int m,int n){if((0==m)||(0==n))return 0;while(m!=n)if(m>n)m=m-n;else n=n-m;return m;}
int lcm(int m,int n){if((0==m)||(0==n))return 0;return(m*n/gcd(m, n));}
int fact(int x){if(x==1) return(x);else return(x*fact(x-1));}//Kaijou x!
int ruijou(int base,int exponent){int i,answer=1;i=exponent;while(i!=0){answer=answer*base;--i;}return answer;}//ruijou base^exponent

long long int llgcd(long long int m,long long int n){if((0==m)||(0==n))return 0;while(m!=n)if(m>n)m=m-n;else n=n-m;return m;}
long long int lllcm(long long int m,long long int n){if((0==m)||(0==n))return 0;return(m*n/llgcd(m, n));}
long long int llfact(long long int x){if(x==1) return(x);else return(x*llfact(x-1));}//Kaijou
int llruijou(long long int base,long long int exponent){long long int i,answer=1;i=exponent;while(i!=0){answer=answer*base;--i;}return answer;}//ruijou base^exponent

int main()
{
  int a,b,d;
  scanf("%d %d %d", &a,&b,&d);
  printf("%d\n", b/d-(a-1))/d);
  /*
  if(a%d==0){
    printf("%d\n", b/d-a/d+1);
  }
  else{
    printf("%d\n", b/d-a/d);
  }
  */
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:29:30: error: expected ';' before ')' token
   29 |   printf("%d\n", b/d-(a-1))/d);
      |                              ^
      |                              ;
main.c:29:30: error: expected statement before ')' token
Language: C++

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
ll gcd(ll a, ll b);
int main(){
cin.tie(0);
  ll l,r,d,result=0;
cin >>l>>r>>d
for(ll i=l;i<=r;i++){
 if(i%d==0)result++; 
  
}
cout <<result;
return 0;
}






ll gcd(ll a, ll b){

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

}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:14: error: expected ';' before 'for'
   12 | cin >>l>>r>>d
      |              ^
      |              ;
   13 | for(ll i=l;i<=r;i++){
      | ~~~           
a.cc:13:12: error: 'i' was not declared in this scope
   13 | for(ll i=l;i<=r;i++){
      |            ^
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <bitset>
#include <bit>
int main() {
	std::vector<int> sq;
	for (int i = 2; i < 143; ++i) {
		sq.emplace_back(i*i);//i+2の2乗が入ってる
	}

	int N;
	std::cin >> N;
	std::string str;
	std::cin >> N;
	std::cin >> str;
	for (int i = 0; i < N; ++i) {
		std::string _str = str;
		if (_str.at(i) == '0') {
				_str.at(i) = '1';
		}
		else
			_str.at(i) = '0';
		
		unsigned int num = std::stoi(_str, 0, 2);
		int count = 0;
		bool finish;
		do {
			int ones = std::_popcount(num);
			num /= ones;
			finish = num %= ones;
			count++;
		} while (!finish);
		std::cout << count << std::endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:41: error: '_popcount' is not a member of 'std'; did you mean '__popcount'?
   29 |                         int ones = std::_popcount(num);
      |                                         ^~~~~~~~~
      |                                         __popcount
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <bitset>
#include <bit>
int main() {
	std::vector<int> sq;
	for (int i = 2; i < 143; ++i) {
		sq.emplace_back(i*i);//i+2の2乗が入ってる
	}

	int N;
	std::cin >> N;
	std::string str;
	std::cin >> N;
	std::cin >> str;
	for (int i = 0; i < N; ++i) {
		std::string _str = str;
		if (_str.at(i) == '0') {
				_str.at(i) = '1';
		}
		else
			_str.at(i) = '0';
		
		unsigned int num = std::stoi(_str, 0, 2);
		int count = 0;
		bool finish;
		do {
			int ones = std::popcount(num);
			num /= ones;
			finish = num %= ones;
			count++;
		} while (!finish);
		std::cout << count << std::endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:41: error: 'popcount' is not a member of 'std'
   29 |                         int ones = std::popcount(num);
      |                                         ^~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <bitset>
#include <bit>
int main() {
	std::vector<int> sq;
	for (int i = 2; i < 143; ++i) {
		sq.emplace_back(i*i);//i+2の2乗が入ってる
	}

	int N;
	std::cin >> N;
	std::string str;
	std::cin >> N;
	std::cin >> str;
	for (int i = 0; i < N; ++i) {
		std::string _str = str;
		if (_str.at(i) == '0') {
				_str.at(i) = '1';
		}
		else
			_str.at(i) = '0';
		
		int num = std::stoi(_str, 0, 2);
		int count = 0;
		bool finish;
		do {
			int ones = std::popcount(num);
			num /= ones;
			finish = num %= ones;
			count++;
		} while (!finish);
		std::cout << count << std::endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:41: error: 'popcount' is not a member of 'std'
   29 |                         int ones = std::popcount(num);
      |                                         ^~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <bitset>
#include <gomi>
int main() {
	std::vector<int> sq;
	for (int i = 2; i < 143; ++i) {
		sq.emplace_back(i*i);//i+2の2乗が入ってる
	}

	int N;
	std::cin >> N;
	std::string str;
	std::cin >> N;
	std::cin >> str;
	for (int i = 0; i < N; ++i) {
		std::string _str = str;
		if (_str.at(i) == '0') {
				_str.at(i) = '1';
		}
		else
			_str.at(i) = '0';
		
		int num = std::stoi(_str, 0, 2);
		int count = 0;
		bool finish;
		do {
			int ones = std::popcount(num);
			num /= ones;
			finish = num %= ones;
			count++;
		} while (!finish);
		std::cout << count << std::endl;
	}
}


Compiler output:
a.cc:5:10: fatal error: gomi: No such file or directory
    5 | #include <gomi>
      |          ^~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<cmath>
using namespace std;
int main(){
  int N;
  cin>>N;
  ll ans=0;
  for(int n=1;n<=N;n++){
    ans=0;
    for(int A=2;A<=141;A++){
      for(int B=2;B<=141;B++){
        if(A*A+B*B>2*n) break;
        int C=sqrt(2*n-A*A-B*B);
        int S=A+B+C;
        if(C*C==2*n-A*A-B*B && S%2==0 && S/2>max({A,B,C})){
          ans++;
        }
        
      }
    }
    cout<<ans<<endl;
    }
  return 0;}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'll' was not declared in this scope
    7 |   ll ans=0;
      |   ^~
a.cc:9:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |     ans=0;
      |     ^~~
      |     abs
a.cc:15:49: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   15 |         if(C*C==2*n-A*A-B*B && S%2==0 && S/2>max({A,B,C})){
      |                                              ~~~^~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

using namespace std;
int main() {
	vector<int> vc;
    int l, r, d, num;
	cin >> l >> r >> d;
  	 num = 1;
     for(int i = 1; i < 101; i++){
           num =  d * i;
           //cout << num << endl;
           if(num >= l && num <= r) {
             //cout << num << endl;
              vc.push_back(num);  
           }
       
       if(num > r) break;
     }
  
  cout << vc.size() << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:9: error: 'vector' was not declared in this scope
    3 |         vector<int> vc;
      |         ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | using namespace std;
a.cc:3:16: error: expected primary-expression before 'int'
    3 |         vector<int> vc;
      |                ^~~
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin >> l >> r >> d;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:12:15: error: 'vc' was not declared in this scope
   12 |               vc.push_back(num);
      |               ^~
a.cc:18:3: error: 'cout' was not declared in this scope
   18 |   cout << vc.size() << endl;
      |   ^~~~
a.cc:18:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:18:11: error: 'vc' was not declared in this scope
   18 |   cout << vc.size() << endl;
      |           ^~
a.cc:18:24: error: 'endl' was not declared in this scope
   18 |   cout << vc.size() << endl;
      |                        ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

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

 int main () {
   
   int l, r, d;
   cin >> l >> r >> d;
   
   if (z==0) {
     cout << (r-l+1)/d << endl;
   }
   else if (d==1) {
     cout << r << endl;
   }
   else if (l%d==0 && r%d==0) {
     cout << (r-l+d)/d << endl;
   }
   else {
     cout << (r-1+1)/d << endl;
   }
 }


Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: 'z' was not declared in this scope
    9 |    if (z==0) {
      |        ^
Language: C++

#include <stdio.h>

unsigned long popcnt(unsigned long x)
{
  unsigned long cnt = 0;
  while (x)
  {
    cnt += x % 2;
    x /= 2;
  }
  
  return cnt;
}

void f(unsigned long x)
{
  unsigned long cnt=0;
  while (x)
  {
    x = x % popcnt(x);
    cnt++;
  }
  
  printf("%d\n", cnt);
}

unsigned long main()
{
  unsigned long n, x=0, m;
  scanf("%d", &n);
  getchar();
  
  m = n;
  while (m)
    x += (getchar() == '1') * (1 << --m);
    // prunsigned longf("%d %d\n", getchar() == '1', 1 << --m);
  
  // prunsigned longf("%d\n\n", x);
  
  while (n)
  {
    x = x ^ (1 << --n);
    f(x);
    x = x ^ (1 << n);
  }
}


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

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

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

  int ans = 0;

  for(i = L; i =< R; i++){
    if(i%d == 0){
      ans++;
      }
    }

  cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: 'i' was not declared in this scope
   10 |   for(i = L; i =< R; i++){
      |       ^
a.cc:10:17: error: expected primary-expression before '<' token
   10 |   for(i = L; i =< R; i++){
      |                 ^
Language: C++

#include <iostream>
using namespace std;

int main(){
  int l,r,d;
  cin>>l>>r>>d;
  cout<<floor((l-1)/d)+floor(r/d)<<"\n";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'floor' was not declared in this scope
    7 |   cout<<floor((l-1)/d)+floor(r/d)<<"\n";
      |         ^~~~~
Language: C++

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

void oddfunc(int n ,int a)
{
	int sq=a*a;
	if(sq%2 !=0  and a<n)
	cout<<a;
	
}

int main()
{
int n,a;
cin>>n;
while (n--)
{
	cin>>a;
	oddfunc(a);
}

return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:16: error: too few arguments to function 'void oddfunc(int, int)'
   19 |         oddfunc(a);
      |         ~~~~~~~^~~
a.cc:4:6: note: declared here
    4 | void oddfunc(int n ,int a)
      |      ^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int x,y,d,sum=0;
  cin>>x>>y>>d;
  for(int i=x;i<=y;i++){
    if(i%d==0)sum++;
  }
  cout<<sum;
  return 0
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: expected ';' before '}' token
   10 |   return 0
      |           ^
      |           ;
   11 | }
      | ~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
    int d;
    cin >>d;
bool is_odd (int i) {
   /* int d;
  cin >> d; */
        return ( (i%d) == 0);
}
int main(int argc, char const* argv[])
{
    int L;
    int R;
   // int d;
  cin >> L >> R ;
        vector<int>     v;
        for (int i = L; i <= R; i++) {
                v.push_back(i);
        }
        size_t n_count = std::count_if(v.begin(), v.end(), is_odd);
        std::cout << n_count << std::endl;
        return 0;
}


Compiler output:
a.cc:6:5: error: 'cin' does not name a type
    6 |     cin >>d;
      |     ^~~
Language: C++

#include<iostream>
void main()
{
   int l,r,d;
   cin>>l>>r>>d;
   int c=0;
   for(int i=l;i<=r;i++)
     {
        if(i%d==0)
          c++;
     }
  cout<<c;
  }
   

Compiler output:
a.cc:2:1: error: '::main' must return 'int'
    2 | void main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:4: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |    cin>>l>>r>>d;
      |    ^~~
      |    std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   cout<<c;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

#include<iostream>
void main()
{
   int l,r,d;
   cin>>l>>r>>d;
   int c=0;
   for(int i=l;i<=r;i++)
     {
        if(i%d==0)
          c++;
     }
  cout<<c;
  }
   

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

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

 int main () {
   
   int l, r, d;
   cin >> l >> r >> d;
   
   if (r-l<=d) {
     cout << 1 << endl;
   }
   else if (l==d) {
     cout << r/l << endl;
   }
   else if (r%l==0 && r%d==0) {
     cout << (r-l+2)/d << endl;
   else {
     cout << (r-l+1)/d << endl;
   }
 }


Compiler output:
a.cc: In function 'int main()':
a.cc:17:4: error: expected '}' before 'else'
   17 |    else {
      |    ^~~~
a.cc:15:31: note: to match this '{'
   15 |    else if (r%l==0 && r%d==0) {
      |                               ^
Language: C++

using namespace std;
int main(){
    int L,R,d,ans;
    cin >> L >> R  >> d;
    for (int i = L; i < R + 1; ++i){
        if ( i % d == 0);
        ++ans;
    } 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'cin' was not declared in this scope
    4 |     cin >> L >> R  >> d;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
Language: C++

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

 int main () {
   
   double l, r, d;
   cin >> l >> r >> d;
   
   
   if (r%l==0 && r%d==0 && r!=1 && d!=1) {
     cout << (r-l+2)/d << endl;
   }
   else {
     cout << (r-l+1)/d << endl;
   }
 }


Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   10 |    if (r%l==0 && r%d==0 && r!=1 && d!=1) {
      |        ~^~
      |        | |
      |        | double
      |        double
a.cc:10:19: error: invalid operands of types 'double' and 'double' to binary 'operator%'
   10 |    if (r%l==0 && r%d==0 && r!=1 && d!=1) {
      |                  ~^~
      |                  | |
      |                  | double
      |                  double
Language: C++

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

int main(){
  int L,R,d,count;
  cin >> L >> R >> d;
  count = 0;
  
  for(i = L; i<R+1; i++){
    if(i%d == 0) count++;
  }
  
  cout << count;
  retuen 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   for(i = L; i<R+1; i++){
      |       ^
a.cc:14:3: error: 'retuen' was not declared in this scope
   14 |   retuen 0;
      |   ^~~~~~
Language: C++

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

int main{
  int L,R,d,count;
  cin >> L >> R >> d;
  count = 0;
  
  for(i = L, i<R+1, i++){
    if(i%d == 0) count++;
  }
  
  cout << count;
  retuen 0;
}


Compiler output:
a.cc:4:5: error: cannot declare '::main' to be a global variable
    4 | int main{
      |     ^~~~
a.cc:5:3: error: expected primary-expression before 'int'
    5 |   int L,R,d,count;
      |   ^~~
a.cc:5:3: error: expected '}' before 'int'
a.cc:4:9: note: to match this '{'
    4 | int main{
      |         ^
a.cc:6:3: error: 'cin' does not name a type
    6 |   cin >> L >> R >> d;
      |   ^~~
a.cc:7:3: error: 'count' does not name a type
    7 |   count = 0;
      |   ^~~~~
a.cc:9:3: error: expected unqualified-id before 'for'
    9 |   for(i = L, i<R+1, i++){
      |   ^~~
a.cc:13:3: error: 'cout' does not name a type
   13 |   cout << count;
      |   ^~~~
a.cc:14:3: error: 'retuen' does not name a type
   14 |   retuen 0;
      |   ^~~~~~
a.cc:15:1: error: expected declaration before '}' token
   15 | }
      | ^
Language: C

#include <stdio.h>
int main() {
  int l, r, d, ans = 0;
  scanf("%d %d %d", &l. &r, &d);
  
  while(l <= r) {
    if (l%d == 0)
      ans++;
    l++;
  }
  
  printf("%d", ans);
  return (0);
}

Compiler output:
main.c: In function 'main':
main.c:4:25: error: expected identifier before '&' token
    4 |   scanf("%d %d %d", &l. &r, &d);
      |                         ^
Language: C++

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

int main() {
	int L, R, d, answer;
	cin >> L;
	cin >> R;
	cin >> d;
	answer = 0;
		for (int L; L <= R; L++) {
		if (L % d = 0){
		answer++;
}
}
cout << answer <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: lvalue required as left operand of assignment
   11 |                 if (L % d = 0){
      |                     ~~^~~
Language: C++

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

int main() {
	int L, R, d, answer;
	cin >> L;
	cin >> R;
	cin >> d;
	answer = 0;
		for (int L; L <= R; L++) {
		if (L % d = 0){
		answer + 1;
}
}
cout << answer <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: lvalue required as left operand of assignment
   11 |                 if (L % d = 0){
      |                     ~~^~~
Language: C++

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

int main() {
	int L, R, d, answer;
	cin >> L;
	cin >> R;
	cin >> d;
	answer = 0;
		for (int L; L <= R; L++) {
		if (L % d = 0){
		answer + 1
}
}
cout << answer <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: lvalue required as left operand of assignment
   11 |                 if (L % d = 0){
      |                     ~~^~~
a.cc:12:27: error: expected ';' before '}' token
   12 |                 answer + 1
      |                           ^
      |                           ;
   13 | }
      | ~