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

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

vector<long long> enum_divisors(long long N) {
    vector<long long> res;
    for (long long i = 1; i * i <= N; ++i) {
        if (N % i == 0) {
            res.push_back(i);
            // 重複しないならば i の相方である N/i も push
            if (N/i != i) res.push_back(N/i);
        }
    }
    // 小さい順に並び替える
    sort(res.begin(), res.end());
    return res;
}

int main() {

    long long N,a;
    cin >> N;
for (long i = 0; i <N; i++)
{
    const auto &res = enum_divisors(N-i);
    for (int i = 0; i < res.size(); ++i) cout << res[i] << " ";
}
    cout << res.size()<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:13: error: 'res' was not declared in this scope
   29 |     cout << res.size()<<endl;
      |             ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define repl(i,l,r) for(int i=l;i<r;i++)
using ll = long long;
const int inf=2e9+10;
const ll MOD=1e9+7;
const ll INF=9e18+10;
const int dx[]={1,0,-1,0};
const int dy[]={0,1,0,-1};

int main(){
	int n,x,m;cin>>n>>x>>m;
	int t=(x*x)%m;
	ll sum=0;
	set<int> l;
	l.insert(x);
	while(l.find(t)!=l.end()){
		l.insert(t);
		t=(t*t)%m;
	}

	set<int>::iterator it;
	int ff=0;
	for(it=l.find(t);it!=l.end();it++){
		ff++;
		sum+=*it;
	}
	ll ans=0;
	int dd=0;
	for(it=l.begin();it!=l.find(t);it++){
		ans+=*it;
		dd++;

	}
	int kk=n-dd;

	int si=kk/ff;
	ans+=(si*sum);
	int cnt=0;
	for(it=l.find(t);cnt<si;ti++){
		ans+=*it;
		cnt++;
	}
	cout<<ans<<endl;

        return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:33: error: 'ti' was not declared in this scope; did you mean 'si'?
   41 |         for(it=l.find(t);cnt<si;ti++){
      |                                 ^~
      |                                 si
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
ll mod=1000000007;
using namespace std;


int main(){
	ll n;
	cin>>n;
	ll c=0;
	vector<int> arr[n+1];
	for(ll i=1;i<n;i++){
		ll j=n-i;

		for(k=1;k<=sqrt(j);k++){
			if(j%k==0){
				c++;
			}
		}
	}
  
  	cout<<c<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:21: error: 'k' was not declared in this scope
   16 |                 for(k=1;k<=sqrt(j);k++){
      |                     ^
Language: C++

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

int main() {
  int n, cnt = 0, eq = 0;
  cin >> n;
  
  for (int i = 1; i < n; i++) {
    for (int j = 1; j < n; j++) {
        if ( i * j < n ) {
            cnt++;
    }
   }
  
    cout << cnt << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define repl(i,l,r) for(int i=l;i<r;i++)
using ll = long long;
const int inf=2e9+10;
const ll MOD=1e9+7;
const ll INF=9e18+10;
const int dx[]={1,0,-1,0};
const int dy[]={0,1,0,-1};

int main(){
	int n,x,m;cin>>n>>x>>m;
	int t=(x*x)%m;
	ll sum=0;
	set<int> l;
	l.push_back(x);
	while(l.find(t)!=l.end()){
		l.push_back(t);
		t=(t*t)%m;
	}

	set<int>::iterator it;
	int ff=0;
	for(it=l.find(t);it!=l.end();it++){
		ff++;
		sum+=*it;
	}
	ll ans=0;
	int dd=0;
	for(it=l.begin();it!=l.find(t);it++){
		ans+=*it;
		dd++;

	}
	int kk=n-dd;

	int si=kk/ff;
	ans+=(si*sum);
	int cnt=0;
	for(it=l.find(t);cnt<si;ti++){
		ans+=*it;
		cnt++;
	}
	cout<<ans<<endl;

        return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:11: error: 'class std::set<int>' has no member named 'push_back'
   17 |         l.push_back(x);
      |           ^~~~~~~~~
a.cc:19:19: error: 'class std::set<int>' has no member named 'push_back'
   19 |                 l.push_back(t);
      |                   ^~~~~~~~~
a.cc:41:33: error: 'ti' was not declared in this scope; did you mean 'si'?
   41 |         for(it=l.find(t);cnt<si;ti++){
      |                                 ^~
      |                                 si
Language: C++

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

int main(void){
  int N,count=0,tmp1,tmp2,bb=1,cc=1;;
  double tmp3;
  cin >> N;
  for(int i=1;i<N;i++){
  	tmp1=N-i;
    tmp3=(double)tmp1;
    tmp3/=2;
    for(int j=1;j<(int)tmp3;j++){
      tmp2=tmp1%j;
      if(tmp2==0){
        count++;
      }
    }
  }
  while(bb*bb<N){
    c++;
    b++;
  }
  cout << count << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'c' was not declared in this scope; did you mean 'cc'?
   20 |     c++;
      |     ^
      |     cc
a.cc:21:5: error: 'b' was not declared in this scope; did you mean 'bb'?
   21 |     b++;
      |     ^
      |     bb
Language: C++

import sys, os.path
import math
from collections import Counter
if(os.path.exists('input.txt')):
    sys.stdin = open("input.txt","r")
    sys.stdout = open("output.txt","w")
 
 
 
MAX = 1000001
 
factor = [0]*(MAX + 1)
 
def generatePrimeFactors():
    factor[1] = 1
    for i in range(2,MAX):
        factor[i] = i
    for i in range(4,MAX,2):
        factor[i] = 2
    i = 3
    while(i * i < MAX):
        if (factor[i] == i):
            j = i * i
            while(j < MAX):
                if (factor[j] == j):
                    factor[j] = i
                j += i
        i+=1
 
 
def calculateNoOFactors(n):
    if (n == 1):
        return 1
    ans = 1
    dup = factor[n]
    c = 1
    j = int(n / factor[n])
    while (j > 1):
        if (factor[j] == dup):
            c += 1
        else:
            dup = factor[j]
            ans = ans * (c + 1)
            c = 1
        j = int(j / factor[j])
    ans = ans * (c + 1)
 
    return ans
generatePrimeFactors()
 
n = int(input())
temp = n
c = 1
count = 0
while(temp-c > 0):
    w = temp-c
    count += calculateNoOFactors(w)
    c += 1
print(count)

Compiler output:
a.cc:4:19: warning: multi-character literal with 9 characters exceeds 'int' size of 4 bytes
    4 | if(os.path.exists('input.txt')):
      |                   ^~~~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sys, os.path
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: Java

import java.io.*; 
import java.util.*;
// JAVA program to count distinct 
// divisors of a given number n 
import java.io.*; 

class Main { 

	static void SieveOfEratosthenes(int n, boolean prime[],int a[]) 
	{ 
		
		for (int i = 2; i <= n; i++) 
			prime[i] = true; 

		
		prime[1] = false; 

		for (int p = 2; p * p <= n; p++) { 
			
			if (prime[p] == true) { 
			
				for (int i = p * 2; i <= n; i += p) 
					prime[i] = false; 
			} 
		} 

		int j = 0; 
		for (int p = 2; p <= n; p++) { 
			if (prime[p]) { 
			
				a[j] = p; 

			
				j++; 
			} 
		} 
	} 
	static int countDivisors(int n) 
	{ 	
		if (n == 1) 
			return 1; 
		boolean prime[] = new boolean[n + 1]; 
		int a[] = new int[n]; 
		SieveOfEratosthenes(n, prime,a); 
		int ans = 1; 
		for (int i = 0;; i++) { 
			if (a[i] * a[i] * a[i] > n) 
				break; 
			int cnt = 1; 
			while (n % a[i] == 0) { 
				n = n / a[i]; 
				cnt = cnt + 1; 
			} 
			ans = ans * cnt; 
		} 
		if (prime[n]) 
			ans = ans * 2
		else if (isPerfect(n) && prime[(int)Math.sqrt(n)]) 
			ans = ans * 3; 
		else if (n != 1) 
			ans = ans * 4; 
		return ans; 
	} 

	
	public static void main(String args[]) 
	{ 
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		long sum=0;
		int x=0;
		int m=0;
		for(int i=1;i<=n-1;i++){
			m = n-i;
			if(m!=1){
				x = countDivisors(m);
				sum+=x;
			}
			else if(m==1){
				sum+=1;
			}
		}
		System.out.println(sum); 
	} 
	public static boolean isPerfect(int n){
		if(Math.sqrt(n)==Math.floor(Math.sqrt(n))){
			return true;
		}
		return false;
	}
} 

Compiler output:
Main.java:57: error: ';' expected
			ans = ans * 2
			             ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace.std;
int n;
cin>>n;
int count=0;
for(int i=0;i<n;i++)
{
  for(int j=0;j<n;j++)
  {
    for(int k=0;k<n;k++)
    {
      if(i*j+k==n)
      {
        count+=1;
      }
    }
  }
  cout<<count;
}

Compiler output:
a.cc:2:16: error: expected identifier before '.' token
    2 | using namespace.std;
      |                ^
a.cc:2:16: error: expected ';' before '.' token
    2 | using namespace.std;
      |                ^
      |                ;
a.cc:2:16: error: expected unqualified-id before '.' token
a.cc:4:1: error: 'cin' does not name a type
    4 | cin>>n;
      | ^~~
a.cc:6:1: error: expected unqualified-id before 'for'
    6 | for(int i=0;i<n;i++)
      | ^~~
a.cc:6:13: error: 'i' does not name a type
    6 | for(int i=0;i<n;i++)
      |             ^
a.cc:6:17: error: 'i' does not name a type
    6 | for(int i=0;i<n;i++)
      |                 ^
Language: C++

＃include<iostream>
using namespace std;

int main(){
	unsigned long n,ans;
	cin >> n;
	ans = 0;	
	int i = 1;
	int j = 1;
		
	for(i = 1; i < n; i++){
		for(j = 1; j <= n; j++){
			if((n - i) % j == 0)
				ans++;
		}
	}

	cout << ans;

	return 0;
}


Compiler output:
a.cc:1:1: error: '\U0000ff03include' does not name a type
    1 | ＃include<iostream>
      | ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> n;
      |         ^~~
a.cc:18:9: error: 'cout' was not declared in this scope
   18 |         cout << ans;
      |         ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace.h;
int n;
cin>>n;
int count=0;
for(int i=0;i<n;i++)
{
  for(int j=0;j<n;j++)
  {
    for(int k=0;k<n;k++)
    {
      if(i*j+k==n)
      {
        count+=1;
      }
    }
  }
  cout<<count;
}

Compiler output:
a.cc:2:16: error: expected identifier before '.' token
    2 | using namespace.h;
      |                ^
a.cc:2:16: error: expected ';' before '.' token
    2 | using namespace.h;
      |                ^
      |                ;
a.cc:2:16: error: expected unqualified-id before '.' token
a.cc:4:1: error: 'cin' does not name a type
    4 | cin>>n;
      | ^~~
a.cc:6:1: error: expected unqualified-id before 'for'
    6 | for(int i=0;i<n;i++)
      | ^~~
a.cc:6:13: error: 'i' does not name a type
    6 | for(int i=0;i<n;i++)
      |             ^
a.cc:6:17: error: 'i' does not name a type
    6 | for(int i=0;i<n;i++)
      |                 ^
Language: C++

#include <bits/stdc++.h>

#include <atcoder/all>

// #LIB#

using namespace std;
using namespace atcoder;
using ll = long long;
#define double long double
#define rep(i, n) for (long long i = 0; i < (n); ++i)
#define repr(i, a, b) for (auto i = (a); i < (b); ++i)
#define itr(x, c) for (auto&& x : (c))
#define updatemax(t, v) ((t) = std::max((t), (v)))
#define updatemin(t, v) ((t) = std::min((t), (v)))
#ifdef ONLINE_JUDGE
#define endl _endl
const char _endl = (cin.tie(0), cout.tie(0), ios::sync_with_stdio(0), cout.precision(16), '\n');
#endif

int main() {
  ll n;
  cin >> n;
  ll ans = 0;
  repr(c, 1, n) {
    ll x = n - c;
    if (x == 1) {
      ++ans;
    } else if (x >= 2) {
      for (ll i = 1; i * i <= x; ++i) {
        if (x % i == 0) {
          ++ans;
          if (i * i != x) ++ans;
        }
      }
    }
  }
  cout << ans << endl;
}


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

int main()
{
    int n;
    std::cin >> n;

    bool over = false;
    int count = 1;
    for (int c = 1; c < n; c++)
    {
        //1*(n-c)
        int a = 1; int b = n-c;
     
        while (b != 1)
        {
            int q = 2;
            while (b % q != 0)
            {
                q++;
            }
            b /= q;
            a *= q;
            if (a == b)
            {
                count++;
            }
            else
            {
                count += 2;
            }
           
        }
    }
    std::cout << count << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:10: error: 'cin' is not a member of 'std'
    4 |     std::cin >> n;
      |          ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | int main()
a.cc:33:10: error: 'cout' is not a member of 'std'
   33 |     std::cout << count << std::endl;
      |          ^~~~
a.cc:33:10: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:33:32: error: 'endl' is not a member of 'std'
   33 |     std::cout << count << std::endl;
      |                                ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | int main()
Language: C++

#include<bits/stdc++.h>
using namespace.h
int n;
cin>>n;
int count=0;
for(int i=0;i<n;i++)
{
  for(int j=0;j<n;j++)
  {
    for(int k=0;k<n;k++)
    {
      if(i*j+k==n)
      {
        count+=1;
      }
    }
  }
  cout<<count;
}

Compiler output:
a.cc:2:16: error: expected identifier before '.' token
    2 | using namespace.h
      |                ^
a.cc:2:16: error: expected ';' before '.' token
    2 | using namespace.h
      |                ^
      |                ;
a.cc:2:16: error: expected unqualified-id before '.' token
a.cc:4:1: error: 'cin' does not name a type
    4 | cin>>n;
      | ^~~
a.cc:6:1: error: expected unqualified-id before 'for'
    6 | for(int i=0;i<n;i++)
      | ^~~
a.cc:6:13: error: 'i' does not name a type
    6 | for(int i=0;i<n;i++)
      |             ^
a.cc:6:17: error: 'i' does not name a type
    6 | for(int i=0;i<n;i++)
      |                 ^
Language: C++

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

int main(void){
  int N,a,tmp;
  int count=0;
  cin >> N;
  vector<int> box(N);
  tmp=(int)((double)N/2);
  for(int i=1;i<=;i++){
    for(int j=0;j<N;j++){
      box.at(j)=0;
    }
    a=N%i;
    box.at(a-1)++;
    for(int j=0;j<N;j++){
    count+=box.at(j);
    }
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:18: error: expected primary-expression before ';' token
   10 |   for(int i=1;i<=;i++){
      |                  ^
Language: C++

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

#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define all(x) (x).begin(),(x).end()
using ll = long long;
using P = pair<ll, ll>;
string char_to_string(char val) {
  return string(1, val);
}
int char_to_int(char val) {
  return val - '0';
}
template<class T> inline bool chmin(T& a, T b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
template<class T> inline bool chmax(T& a, T b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
struct edge {
  ll to, cost;
};
int n;
long long dp[1000010]={0};
long long f(int i){
if(i==3)return dp[i]=2;
int k=0;
for(int j=1;j<=i-1;j++) 
if((i-1)%j==0)k++;
}
return k;
}
int main() {
int n;
  cin >> n;
long long a[n]={0};
a[2]=1;
for(int i=3;i<=n;i++)dp[i]=f(i);
for(int i=3;i<=n;i++)a[i]=a[i-1]+dp[i];  
cout << a[n] << endl;  
}


Compiler output:
a.cc:39:1: error: expected unqualified-id before 'return'
   39 | return k;
      | ^~~~~~
a.cc:40:1: error: expected declaration before '}' token
   40 | }
      | ^
a.cc: In function 'long long int f(int)':
a.cc:38:1: warning: control reaches end of non-void function [-Wreturn-type]
   38 | }
      | ^
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
int f[1000005];
int m(int x)
{
	int k = 2;
	for (int i = 2; i <= sqrt(x); i++)
	{
		if (x % i == 0)
		{
			if (i != sqrt(x)) k += 2;
			else k += 1;
		}
	}
	return k;
}
int main()
{
	int n;
	f[2] = 1;
	f[3] = 3;
	for (int i = 4; i <= 1000000; i++)
		f[i] = f[i - 1] + m(i - 1);
	while(cin>>n)
		cout << f[n] << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int m(int)':
a.cc:8:30: error: 'sqrt' was not declared in this scope
    8 |         for (int i = 2; i <= sqrt(x); i++)
      |                              ^~~~
Language: C++

include<iostream>
using namespace std;

int main(){
	unsigned long n,ans;
	cin >> n;
	ans = 0;	
	int i = 1;
	int j = 1;
		
	for(i = 1; i < n; i++){
		for(j = 1; j <= n; j++){
			if((n - i) % j == 0)
				ans++;
		}
	}

	cout << ans;

	return 0;
}


Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> n;
      |         ^~~
a.cc:18:9: error: 'cout' was not declared in this scope
   18 |         cout << ans;
      |         ^~~~
Language: C++

#include<iostream>
#include<algorithm>
#define maxn 1000005
using namespace std;
int f[maxn];
int m(int x)
{
	int k = 2;
	for (int i = 2; i <= sqrt(x); i++)
	{
		if (x % i == 0)
		{
			if (i != sqrt(x)) k += 2;
			else k += 1;
		}
	}
	return k;
}
int main()
{
	int n;
	f[2] = 1;
	f[3] = 3;
	for (int i = 4; i <= 1000000; i++)
		f[i] = f[i - 1] + m(i - 1);
	while(cin>>n)
		cout << f[n] << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int m(int)':
a.cc:9:30: error: 'sqrt' was not declared in this scope
    9 |         for (int i = 2; i <= sqrt(x); i++)
      |                              ^~~~
Language: C++

#include<bits/stdc++.h>
#include <string> 

using namespace std;
const int mod = 1e9 + 7;
const long long INF = 1e18;
#define PI 3.141592653589793
#define REP(i, n) for(long long i = 0;i < n;i++)

long long ans(int num){
  //if(num==2)return 2;
  vector<pair<long long, long long> > res;
  long long count=1;
  long long N=num;
  for (long long a = 2; a * a <= N; ++a) {
      if (N % a != 0) continue;
      long long ex = 0; // 指数

      // 割れる限り割り続ける
      while (N % a == 0) {
          ++ex;
          N /= a;
      }
      if(ex!=0)count*=ex+1;
    //cout<<count<<"||"<<ex<<endl;
      // その結果を push
      res.push_back({a, ex});
  }
   (N != 1) count*=2;
  return count;
}

int main()
{
  long long N;
  long long A,B,count=0;
  cin>>N;
  for(int i=1;i<N;i++){
    count+=ans((N-i));
    //cout<<count<<"|"<<i<<endl;
  }
  cout<<count;
  return 0;
}




Compiler output:
a.cc: In function 'long long int ans(int)':
a.cc:29:12: error: expected ';' before 'count'
   29 |    (N != 1) count*=2;
      |            ^~~~~~
      |            ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	n--;
	unsighed long long ans=n;
	for(int i=2;i<n;i++){
		ans+=n/i;
	}
	ans++;
	cout<<ans; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'unsighed' was not declared in this scope; did you mean 'unsigned'?
    7 |         unsighed long long ans=n;
      |         ^~~~~~~~
      |         unsigned
a.cc:9:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |                 ans+=n/i;
      |                 ^~~
      |                 abs
a.cc:11:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   11 |         ans++;
      |         ^~~
      |         abs
Language: C

#include <iostream>
using namespace std;

int main(void) {
    int N;
    cin >> N;
    int res = 0;
    for (int k = 1; k < N; k++) {
        int q = N / k;

        res += N / k;
        if (!(N % k)) {
            res--;
        }
    }

    cout << res;
}

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

import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.*;

public class Lab0 {

    private static InputReader in;
    private static PrintWriter out;

    public static void main(String[] args) throws IOException {

        InputStream inputStream = System.in;
        in = new InputReader(inputStream);
        OutputStream outputStream = System.out;
        out = new PrintWriter(outputStream);

        int n = in.nextInt();
        int ans = 0;
        for (int a = 1; a < n; a++) {
            for (int b = 1; b < n; b++) {
                if (a * b < n) {
                    ans++;
                }
            }
        }
        out.println(ans);

        out.close();
    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

    }
}

Compiler output:
Main.java:9: error: class Lab0 is public, should be declared in a file named Lab0.java
public class Lab0 {
       ^
1 error
Language: C++

#include<iostream>
#include<algorithm>
#define maxn 1000005
using namespace std;
int f[maxn];
int m(int x)
{
	int k = 0;
	for (int i = 1; i <= sqrt(x); i++)
	{
		if (x % i == 0)
		{
			if (i != sqrt(x)) k += 2;
			else k += 1;
		}
	}
	return k;
}
int main()
{
	int n;
	f[2] = 1;
	f[3] = 3;
	cin >> n;
	for (int i = 4; i <= n; i++)
		f[i] = f[i - 1] + m(i - 1);
	cout << f[n] << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int m(int)':
a.cc:9:30: error: 'sqrt' was not declared in this scope
    9 |         for (int i = 1; i <= sqrt(x); i++)
      |                              ^~~~
Language: C++

N = int(input())
count = 0

for i in range(1, N+1):
    add = 0
    add = N//i if N%i!=0 else N//i-1
    count += add

print(count)

Compiler output:
a.cc:1:1: error: 'N' does not name a type
    1 | N = int(input())
      | ^
Language: C++

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

#include <math.h>     // math.h をインクルードする！

int main() {
    int N;
    cin >> N;
    vector<int> x(N+1);
    int ans=1;
    for (int C=1;C<(N-1);C++){
	for (int i = 2; i <= (N-C); i++) {
		while ((N-C)%i == 0) { 
			x.at(i)++;　
			//(N-C) /= i;
		}
	}

	for (int i = 2; i <= (N-C); i++)
	{	
		ans *= x.at(i) + 1;　
	}
	cout << ans << endl;
        }
    if (ans%2==1){
        cout << (ans/2)+1 << endl;
    }else {
        cout << ans/2 << endl;
    }    
}


Compiler output:
a.cc:14:35: error: extended character 　 is not valid in an identifier
   14 |                         x.at(i)++;　
      |                                   ^
a.cc:21:36: error: extended character 　 is not valid in an identifier
   21 |                 ans *= x.at(i) + 1;　
      |                                    ^
a.cc: In function 'int main()':
a.cc:14:35: error: '\U00003000' was not declared in this scope
   14 |                         x.at(i)++;　
      |                                   ^~
a.cc:21:36: error: '\U00003000' was not declared in this scope
   21 |                 ans *= x.at(i) + 1;　
      |                                    ^~
Language: Java

import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.*;
 
public class Main {
	public static void main(String[] args) {
      
      	InputStream inputStream = System.in;
        in = new InputReader(inputStream);
        OutputStream outputStream = System.out;
        out = new PrintWriter(outputStream);
      
        int n = in.nextInt();
        int ans = 0;
 
        for (int a = 1; a < n; a++) {
            for (int b = 1; b < n; b++) {
                if (a * b < n) {
                    ans++;
                }
            }
        }
       	out.println(ans);
 
        out.close();
    }
  
  	static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

    }
  
}

Compiler output:
Main.java:13: error: cannot find symbol
        in = new InputReader(inputStream);
        ^
  symbol:   variable in
  location: class Main
Main.java:15: error: cannot find symbol
        out = new PrintWriter(outputStream);
        ^
  symbol:   variable out
  location: class Main
Main.java:17: error: cannot find symbol
        int n = in.nextInt();
                ^
  symbol:   variable in
  location: class Main
Main.java:27: error: cannot find symbol
       	out.println(ans);
       	^
  symbol:   variable out
  location: class Main
Main.java:29: error: cannot find symbol
        out.close();
        ^
  symbol:   variable out
  location: class Main
5 errors
Language: C++

#include <iostream>
using namespace std;

int count(int n){
  int ans = 1;
  vector<int> x(n + 1);
  int num = n;
  for (int i = 2; i <= n; i++) {
      while (num%i == 0) {
          x.at(i)++;
          num /= i;
      }
  }
  for (int i = 2; i <= n; i++)
  {	
      ans *= x.at(i) + 1;
  }
  return ans;
}

int main(){
  int N;
  int total = 0;
  cin >> N;
  for (int AB = 1; AB < N; AB++){
    total += count(AB);
  }
  cout << total << endl;
}


Compiler output:
a.cc: In function 'int count(int)':
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector<int> x(n + 1);
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:6:10: error: expected primary-expression before 'int'
    6 |   vector<int> x(n + 1);
      |          ^~~
a.cc:10:11: error: 'x' was not declared in this scope
   10 |           x.at(i)++;
      |           ^
a.cc:16:14: error: 'x' was not declared in this scope
   16 |       ans *= x.at(i) + 1;
      |              ^
Language: C++

#include<bits/stdc++.h>
#define REP(i,N) for (int i=0;i<(N); ++i)
#define ALL(x) (x).begin(), (x).end()
#define MOD 1000000007
#define PB push_back
#define MP make_pair
using namespace std;
typedef long long ll;
ll gcd(ll x,ll y){return y?gcd(y,x%y):x;}

int main(){
    int N;
    cin >>N;
    int cou=0;
    for (int i=1;i<(N); ++i){
        for (int w=1;w<(N-i+1); ++w){
            if ((N-i)%w==0){
                cou+=1
            }
        }
    }
    cout <<cou<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:23: error: expected ';' before '}' token
   18 |                 cou+=1
      |                       ^
      |                       ;
   19 |             }
      |             ~
Language: C

//Md. Shajibul Islam..
//East West University, CSE Department'19

#include<bits/stdc++.h>
using namespace std;
#define FAST             ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define loop(i,n)        for(int i=0;i<n;i++)
#define CASE_PRINT       cout<<"Case "<<C<<": "
#define CASE_PRINT2      cout<<"Case "<<C<<":"<<endl
#define ll               long long
#define ld               long double
#define Pi               2*acos(0.0) // acos(-1.0)

int main()
{
    FAST;
    ll n;cin>>n;
    int ans = n-1;
    for(int i=2;i<n;i++)
    {
        ans = ans + (n/i);
        if(n%i==0)ans--;
    }

    cout<<ans<<endl;
}






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

#include <bits/stdc++.h> //g++-9で実行（gcc version 9.3.0），g++だとデフォルトのclang

using namespace std;

//#define int long long                         //intでオーバフローした時の切り替え用
#define OUT(x) std::cout << x << std::endl
#define DEBUG(x) cerr << #x << ": " << x << endl //エラー出力として変数名と変数の中身表示
#define DEBUG_VEC(v)                   \
    cerr << #v << ":";                 \
    for (int i = 0; i < v.size(); i++) \
        cerr << " " << v[i];           \
    cerr << endl;
#define DEBUG_MAT(v)                          \
    cerr << #v << endl;                       \
    for (int i = 0; i < v.size(); i++)        \
    {                                         \
        for (int j = 0; j < v[i].size(); j++) \
        {                                     \
            cerr << v[i][j] << " ";           \
        }                                     \
        cerr << endl;                         \
    }
#define Sp(p) cout << setprecision(25) << fixed << p << endl; //小数点以下を25桁で表示
#define all(obj) (obj).begin(), (obj).end()
#define pb push_back

//usingエイリアス（別名という意味，型定義のこと）
using ll = long long;
//template <class T> using Vec = std::vector<T>;//エイリアステンプレート

const ll MOD = (ll)1e9 + 7;
//const ll MOD = 998244353;あ
const ll INF = (ll)1e18 + 1;
const double EPS = 1e-9;
const long double pi = 3.1415926535897932384626433832795028841971L;

ll cal(ll x)
{
    ll ans, cnt;
    ans = 1;
    for (ll i = 2; i <= x; i++)
    {
        cnt = 0;
        while (true)
        {
            if (x % i == 0)
            {
                cnt++;
                x = x / i;
            }
            else
            {
                break;
            };
        }
        ans *= cnt + 1;
    }
    return ans;
}

//マクロでintをlong longと定義したときはsinged
int main()
{
    cin.tie(0);                  //cinとcoutの同期を切る（高速化)
    ios::sync_with_stdio(false); //iostreamとstdioの同期を切る（高速化)
    ll a, b, c, n, cnt;
    cin >> n;
    c = 1;
    cnt = 0;
    while (c < n)
    {
        cnt += cal(n - c);
        c = c + 1;
    }
    OUT(cnt);
    return 0;
}

Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h> //g++-9で実行（gcc version 9.3.0），g++だとデフォルトのclang
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
using namespace std;

int count(n){
  int ans = 1;
  vector<int> x(n + 1);
  int num = n; // 素因数分解する変数num 
  for (int i = 2; i <= n; i++) {
      while (num%i == 0) { // 素数で割り切れなくなるまで割っていく
          x.at(i)++;　//割った個数を配列に足す
          num /= i;
      }
  }
  for (int i = 2; i <= n; i++)
  {	
      ans *= x.at(i) + 1;　//それぞれを+1して掛けていく
  }
  return ans;
}

int main(){
  int N;
  int total = 0;
  cin >> N;
  for (int AB = 1; AB < N; AB++){
    total += count(AB);
  }
  cout << total << endl;
}


Compiler output:
a.cc:10:21: error: extended character 　 is not valid in an identifier
   10 |           x.at(i)++;　//割った個数を配列に足す
      |                     ^
a.cc:16:26: error: extended character 　 is not valid in an identifier
   16 |       ans *= x.at(i) + 1;　//それぞれを+1して掛けていく
      |                          ^
a.cc:4:11: error: 'n' was not declared in this scope
    4 | int count(n){
      |           ^
a.cc: In function 'int main()':
a.cc:26:19: error: 'count' cannot be used as a function
   26 |     total += count(AB);
      |              ~~~~~^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
    int n;
    scanf("%d", &n);

    ll count = 0;
    for (int i = 1; i < n; i++) {
        if(n % i == 0) count += n / i - 1;
        else count += n / i;
    }

    printf("%lld\n", count);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'll' was not declared in this scope
    7 |     ll count = 0;
      |     ^~
a.cc:9:41: error: overloaded function with no contextual type information
    9 |         if(n % i == 0) count += n / i - 1;
      |                                         ^
a.cc:10:27: error: overloaded function with no contextual type information
   10 |         else count += n / i;
      |                           ^
a.cc:13:11: error: overloaded function with no contextual type information
   13 |     printf("%lld\n", count);
      |     ~~~~~~^~~~~~~~~~~~~~~~~
Language: C++

#include<iostream>
int main(){
  int n;
  cin>>n;
  long int sum=0;
  for(int i=0;i<=n/2;i++){
  sum+=n/i;
  if(n%i==0)sum--;
  
  
  }
  cout<<sum;
  
  
  
  
  
  
  return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   cin>>n;
      |   ^~~
      |   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<<sum;
      |   ^~~~
      |   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 <bits/stdc++.h>
using namespace std;

#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define all(x) (x).begin(),(x).end()
using ll = long long;
using P = pair<ll, ll>;
string char_to_string(char val) {
  return string(1, val);
}
int char_to_int(char val) {
  return val - '0';
}
template<class T> inline bool chmin(T& a, T b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
template<class T> inline bool chmax(T& a, T b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
struct edge {
  ll to, cost;
};
int n;
long long dp[1000010]={0};
long long f(int i){
if(i==3)return dp[i]=2;
int k=0;
for(int j=1;j<=i-1;j++) 
if((i-1)%j==0)k++;
}
return dp[i]=k;
}
int main() {
int n;
  cin >> n;
long long a[n]={0};
a[2]=1;
for(int i=3;i<=n;i++)dp[i]=f(i);
for(int i=3;i<=n;i++)a[i]=a[i-1]+dp[i];  
cout << a[n] << endl;  
}


Compiler output:
a.cc:39:1: error: expected unqualified-id before 'return'
   39 | return dp[i]=k;
      | ^~~~~~
a.cc:40:1: error: expected declaration before '}' token
   40 | }
      | ^
a.cc: In function 'long long int f(int)':
a.cc:38:1: warning: control reaches end of non-void function [-Wreturn-type]
   38 | }
      | ^
Language: C++

#include<algorithm>
using namespace std;

int main()
{
    long long int n,p,sum,count=0;
    cin>>n;
    for(long long int i=1;i<n;i++){
        for(long long int j=1;j<n;j++){
            p=i*j;
            if(p<n){
                for(long long int k=1;k<n;k++){
                    sum=p+k;
                    if(sum==n)
                        count++;
                }
            }
        }
    }
    cout<<count;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin>>n;
      |     ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<algorithm>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:20:5: error: 'cout' was not declared in this scope
   20 |     cout<<count;
      |     ^~~~
a.cc:20:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<iostream>
#include <vector>
typedef long long ll;

using namespace std;

    ll ans = 1;
	int dev(ll n){

	vector<int> x(n + 1);
	ll num = n; // 素因数分解する変数num 

	for (int i = 2; i <= n; i++) {
		while (num%i == 0) { // 素数で割り切れなくなるまで割っていく
			x.at(i)++;　//割った個数を配列に足す
			num /= i;
		}
	}

	for (int i = 2; i <= n; i++)
	{	
		ans *= x.at(i) + 1;　//それぞれを+1して掛けていく
	}
	return ans;
	}
	int main(){
	    ll x=0;
	    ll k;
	    cin >> k;
	    for(int i=1; i<k; i++){
	        x += dev(i);
	    }
	    cout << x << endl;
	}


Compiler output:
a.cc:15:35: error: extended character 　 is not valid in an identifier
   15 |                         x.at(i)++;　//割った個数を配列に足す
      |                                   ^
a.cc:22:36: error: extended character 　 is not valid in an identifier
   22 |                 ans *= x.at(i) + 1;　//それぞれを+1して掛けていく
      |                                    ^
a.cc: In function 'int dev(ll)':
a.cc:15:35: error: '\U00003000' was not declared in this scope
   15 |                         x.at(i)++;　//割った個数を配列に足す
      |                                   ^~
a.cc:22:36: error: '\U00003000' was not declared in this scope
   22 |                 ans *= x.at(i) + 1;　//それぞれを+1して掛けていく
      |                                    ^~
Language: C++

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

void find_all_triplets(int arr[], int n, int sum)
{
    for(int i=0;i=n-2;i++)
    {
        for(int j=i+1;j<n-1;j++)
        {
            for(int k=j;k<n;k++)
            {
                if(arr[i]+arr[j]+arr[k]==sum)
                {
                     cout << arr[i] <<" "< arr[j] <<" "<< arr[k] <<endl;
                } 
            }
        }
    }
}
int main()
{
int n, sum;
cin >> n;
int arr[n];
for(int i = 0; i < n; i++)
cin >> arr[i];
cin >> sum;
find_all_triplets(arr, n, sum);
return 0;
}

Compiler output:
a.cc: In function 'void find_all_triplets(int*, int, int)':
a.cc:14:51: error: invalid operands of types 'int' and 'const char [2]' to binary 'operator<<'
   14 |                      cout << arr[i] <<" "< arr[j] <<" "<< arr[k] <<endl;
      |                                            ~~~~~~ ^~~~~
      |                                                 |   |
      |                                                 int const char [2]
Language: C++

/*
A*BがN-1以下になれば条件が成立する
というのは思いついたのですが、
それを全て列挙する方法が分かりませんでした。
*/

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

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

void find_all_triplets(int arr[], int n, int sum)
{
    for(int i=0;i=n-2;i++)
    {
        for(int j=i+1;j<n-1;j++)
        {
            for(int k=j;k<n;k++)
            {
                if(arr[i]+arr[j]+arr[k]==sum)
                {
                     cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
                }
            }
        }
    }
}
int main()
{
int n, sum;
cin >> n;
int arr[n];
for(int i = 0; i < n; i++)
cin >> arr[i];
cin >> sum;
find_all_triplets(arr, n, sum);
return 0;
}

Compiler output:
a.cc:14:40: error: extended character “ is not valid in an identifier
   14 |                      cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                        ^
a.cc:14:42: error: extended character ” is not valid in an identifier
   14 |                      cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                          ^
a.cc:14:57: error: extended character “ is not valid in an identifier
   14 |                      cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                                         ^
a.cc:14:59: error: extended character ” is not valid in an identifier
   14 |                      cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                                           ^
a.cc: In function 'void find_all_triplets(int*, int, int)':
a.cc:14:40: error: '\U0000201c' was not declared in this scope
   14 |                      cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                        ^
a.cc:14:42: error: '\U0000201d' was not declared in this scope
   14 |                      cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                          ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
	int B,x;
  	int N;
  	cin>>N;
  	int count=0;
  	for(x=1;x<N;x++){
    	int count_divisor(int B,int N){
  			if(N%B==0){
    			count++;
  			}
  			return count+count_divisor(B+1,N);
    	}
    }
  	cout<<count<<endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:9:39: error: a function-definition is not allowed here before '{' token
    9 |         int count_divisor(int B,int N){
      |                                       ^
a.cc:16:27: error: expected '}' at end of input
   16 |         cout<<count<<endl;
      |                           ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
int t=0,m=0;
  cin>>t;
  int a=0;
  for(int c=1;c<t;c++){
    t-=c;
    for(int b=1;b<t;b++){
      t%b=a;
      if(a>=1&&a<=1000000){m++;}      
    }
  }
  cout<<m<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: lvalue required as left operand of assignment
   11 |       t%b=a;
      |       ~^~
Language: Java

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

public class C {
    public static void main(String[] args) {
     Scanner sc=new Scanner(System.in);
     if(sc.hasNextInt()) 
      {
          int n=sc.nextInt();
          deployC obj=new deployC();
          obj.solve(n);
      }
        
  }
    
}
class deployC
{
    public void solve(int n)
    {
        int ans=0;
        for(int fir=1;fir<=Math.sqrt(n-1);fir++)
        {
            for(int sec=fir;sec*fir<=n-1;sec++)
            {
                ans++;
            }
        }
        if(ans!=0)
        {
        ans=ans*2;
        ans=ans-(int)Math.sqrt(n-1);
        System.out.println(ans);
        }
        else
            System.out.println(0);
    }
    
}


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

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

void find_all_triplets(int arr[], int n, int sum)
  {
for (int i = 0; i < n – 2; i++)
{
for (int j = i + 1; j < n – 1; j++)
{
for (int k = j + 1; k < n; k++)
{
if (arr[i] + arr[j] + arr[k] == sum)
{
cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
}
}
}
}
}

int main()
{
int n, sum;
cin >> n;
int arr[n];
for(int i = 0; i < n; i++)
{
cin >> arr[i];
}
cin >> sum;
find_all_triplets(arr, n, sum);
return 0;
}

Compiler output:
a.cc:6:23: error: extended character – is not valid in an identifier
    6 | for (int i = 0; i < n – 2; i++)
      |                       ^
a.cc:8:27: error: extended character – is not valid in an identifier
    8 | for (int j = i + 1; j < n – 1; j++)
      |                           ^
a.cc:14:19: error: extended character “ is not valid in an identifier
   14 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                   ^
a.cc:14:21: error: extended character ” is not valid in an identifier
   14 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                     ^
a.cc:14:36: error: extended character “ is not valid in an identifier
   14 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                    ^
a.cc:14:38: error: extended character ” is not valid in an identifier
   14 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                      ^
a.cc: In function 'void find_all_triplets(int*, int, int)':
a.cc:6:22: error: expected ';' before '\U00002013'
    6 | for (int i = 0; i < n – 2; i++)
      |                      ^~
      |                      ;
a.cc:6:23: error: '\U00002013' was not declared in this scope
    6 | for (int i = 0; i < n – 2; i++)
      |                       ^
a.cc:6:24: error: expected ')' before numeric constant
    6 | for (int i = 0; i < n – 2; i++)
      |     ~                  ^~
      |                        )
a.cc:6:28: error: 'i' was not declared in this scope
    6 | for (int i = 0; i < n – 2; i++)
      |                            ^
Language: C++

// C++ program to find all the triplets with the given sum

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

void find_all_triplets(int arr[], int n, int sum)
{
for (int i = 0; i < n – 2; i++)
{
for (int j = i + 1; j < n – 1; j++)
{
for (int k = j + 1; k < n; k++)
{
if (arr[i] + arr[j] + arr[k] == sum)
{
cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
}
}
}
}
}

int main()
{
int n, sum;
cin >> n;
int arr[n];
for(int i = 0; i < n; i++)
{
cin >> arr[i];
}
cin >> sum;
find_all_triplets(arr, n, sum);
return 0;
}

Compiler output:
a.cc:8:23: error: extended character – is not valid in an identifier
    8 | for (int i = 0; i < n – 2; i++)
      |                       ^
a.cc:10:27: error: extended character – is not valid in an identifier
   10 | for (int j = i + 1; j < n – 1; j++)
      |                           ^
a.cc:16:19: error: extended character “ is not valid in an identifier
   16 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                   ^
a.cc:16:21: error: extended character ” is not valid in an identifier
   16 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                     ^
a.cc:16:36: error: extended character “ is not valid in an identifier
   16 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                    ^
a.cc:16:38: error: extended character ” is not valid in an identifier
   16 | cout << arr[i] << “,” << arr[j] << “,” << arr[k] <<endl;
      |                                      ^
a.cc: In function 'void find_all_triplets(int*, int, int)':
a.cc:8:22: error: expected ';' before '\U00002013'
    8 | for (int i = 0; i < n – 2; i++)
      |                      ^~
      |                      ;
a.cc:8:23: error: '\U00002013' was not declared in this scope
    8 | for (int i = 0; i < n – 2; i++)
      |                       ^
a.cc:8:24: error: expected ')' before numeric constant
    8 | for (int i = 0; i < n – 2; i++)
      |     ~                  ^~
      |                        )
a.cc:8:28: error: 'i' was not declared in this scope
    8 | for (int i = 0; i < n – 2; i++)
      |                            ^
Language: C++

int main()
{
    int a;
 
    std::cin >> a;
  int ans;
  ans=0;
  for (int i=0;i<a;i++){
    for (int j=0;j<a+2;j++){
      if (i*j<a){
        ans++}}}
 
    cout << ans<< "\n"; 
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'cin' is not a member of 'std'
    5 |     std::cin >> a;
      |          ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | int main()
a.cc:11:14: error: expected ';' before '}' token
   11 |         ans++}}}
      |              ^
      |              ;
a.cc:13:5: error: 'cout' was not declared in this scope
   13 |     cout << ans<< "\n";
      |     ^~~~
Language: C++

int main()
{
    int a;
 
    std::cin >> a;
  int ans;
  ans=0;
  for (int i=0;i<a;i++){
    for (int j=0;j<a+2;j++){
      if (i*j<a){
        ans++}}}
 
    std::cout << ans << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: 'cin' is not a member of 'std'
    5 |     std::cin >> a;
      |          ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | int main()
a.cc:11:14: error: expected ';' before '}' token
   11 |         ans++}}}
      |              ^
      |              ;
a.cc:13:10: error: 'cout' is not a member of 'std'
   13 |     std::cout << ans << std::endl;
      |          ^~~~
a.cc:13:10: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:30: error: 'endl' is not a member of 'std'
   13 |     std::cout << ans << std::endl;
      |                              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | int main()
Language: C++

#include <iostream>

int main()
{
    int a;

    std::cin >> a;
  int ans;
  ans=0
  for (int i=0;i<a;i++){
    for (int j=0;j<a+2;j++){
      if (i*j<a){
        ans++}}}

    std::cout << ans << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: expected ';' before 'for'
    9 |   ans=0
      |        ^
      |        ;
   10 |   for (int i=0;i<a;i++){
      |   ~~~   
a.cc:10:16: error: 'i' was not declared in this scope
   10 |   for (int i=0;i<a;i++){
      |                ^