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


        for(int i = 1; i <= N; i++){
            int cn = i;
            while(cn <= N) {
                k[cn]++;
                cn += i;
            }
        }

Compiler output:
Main.java:2: error: class, interface, enum, or record expected
        for(int i = 1; i <= N; i++){
        ^
Main.java:2: error: class, interface, enum, or record expected
        for(int i = 1; i <= N; i++){
                       ^
Main.java:2: error: class, interface, enum, or record expected
        for(int i = 1; i <= N; i++){
                               ^
Main.java:4: error: class, interface, enum, or record expected
            while(cn <= N) {
            ^
Main.java:6: error: class, interface, enum, or record expected
                cn += i;
                ^
Main.java:7: error: class, interface, enum, or record expected
            }
            ^
6 errors
Language: C++

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

const int maxn = 1e7+1;

int n;
long long d[maxn];

void sieve() {
	for (int i = 1; i < maxn; ++i) {
		for (int j = i; j < maxn; j += i) {
			d[j]++;
		}
	}
}

void p() {
	int n; cin >> n;
	long long ans = 0;
	for (int i = 1; i <= n; ++i) {
		for (int j = i; j <= n; j += i) {
			ans += j;
		}
	}
	cout << ans << '\n';
}

void p2() {
	int n; cin >> n;
	long long ans = 0;
	for (int i = 1; i <= n; ++i) {
		ll d = n/i;
		ans += i * (d * (d + 1) / 2);
	}
	cout << ans << '\n';
}

int main() {
	p2(); return 0;
	cin >> n;
	sieve();
	long long ans = 0;
	for (int i = 1; i <= n; ++i) {
		ans += d[i] * i;
	}
	cout << ans << '\n';
}

Compiler output:
a.cc: In function 'void p2()':
a.cc:32:17: error: 'll' was not declared in this scope
   32 |                 ll d = n/i;
      |                 ^~
a.cc:33:31: error: invalid operands of types 'long long int [10000001]' and 'long long int*' to binary 'operator*'
   33 |                 ans += i * (d * (d + 1) / 2);
      |                             ~ ^ ~~~~~~~
      |                             |      |
      |                             |      long long int*
      |                             long long int [10000001]
Language: C

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

int main() {
    int n;
    cin>>n;
    vector<ll> p(n);
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n/i;j++){
            p[i*j-14]++;
        }
    }
    ll ans=0;
    rep(i,n){
        ans+=(i+1)*p[i];
    }
    cout<<ans<<endl;
    return 0;
}



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

#include<iostream>
using namespace std;

int F(int x) {
	
	int ans = 1;

	for (int i = 2; i <= sqrt(x); i++) {
		int cnt = 0;
		while (x% i == 0) {
			cnt++;
			x /= i;
		}
		ans *= (cnt + 1);
		if (x == 1) break;
	}
	if (x != 1) ans *= 2;


	return ans ;

}

int main()
{
	int n;
	cin >> n;
	int ans = 0;
	for (int k = 1; k <= n; k++)
	{
		ans += k * F(k);
	}
	
	cout << ans;
	return 0;

}

Compiler output:
a.cc: In function 'int F(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<bits/stdc++.h>
using namespace std;
int divisor(int n){
  int i=1,c=0;
  while(i<=n){
    if(n%i==0)
      c++;
    i++;
  }return c;
}int main(){
  int q,i=1;
  cin>>q;
  long long sum=0;
  while(q--){
    sum=sum+i*divisor(i);
    i++;
  }cout<<sum;
  return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:18:12: error: expected '}' at end of input
   18 |   return 0;
      |            ^
a.cc:10:12: note: to match this '{'
   10 | }int main(){
      |            ^
Language: C

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i < (n); i++)
#define lower(s) transform(s.begin(), s.end(), s.begin(), ::tolower)
using namespace std;
using ll = long long;
int INF = 1001001001;

int main() {
  int n;
  cin >> n;
  vector<int> y(n+1);
  for(int i=1; i<=n; i++) {
    if(n == 1) {
      y[i]++;
      break;
    }
    map<int, int> s;
    int tmp = i;
    for(int j=2; j*j<=i; j++) {
      while (tmp % j == 0) {
        s[j]++;
        tmp /= j;
      }
    }
    if(tmp>1) s[tmp]++;
    int sum = 1;
    for(auto v : s) {
      sum *= v.second+1;
    }
    y[i]=sum;
  }
  ll ans = 0;
  for(int i=1; i<=n; i++) {
    ans += i * y[i];
  }
  cout << ans << endl;
  return 0;
}

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

#include <iostream>
using namespace std;
#define ll long long
int main()
{
	cio;
	ll n;
	cin >> n;
 
	ll tot = 0;
	for (ll i = 1; i <= n; i++)
	{
		ll pos = n / i;
 
		tot += i * (pos * (pos + 1) / 2);
	}
 
	cout << tot;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cio' was not declared in this scope
    6 |         cio;
      |         ^~~
Language: C++

int main()
{
	cio;
	ll n;
	cin >> n;
 
	ll tot = 0;
	for (ll i = 1; i <= n; i++)
	{
		ll pos = n / i;
 
		tot += i * (pos * (pos + 1) / 2);
	}
 
	cout << tot;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:9: error: 'cio' was not declared in this scope
    3 |         cio;
      |         ^~~
a.cc:4:9: error: 'll' was not declared in this scope
    4 |         ll n;
      |         ^~
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin >> n;
      |         ^~~
a.cc:5:16: error: 'n' was not declared in this scope
    5 |         cin >> n;
      |                ^
a.cc:7:11: error: expected ';' before 'tot'
    7 |         ll tot = 0;
      |           ^~~~
      |           ;
a.cc:8:16: error: expected ';' before 'i'
    8 |         for (ll i = 1; i <= n; i++)
      |                ^~
      |                ;
a.cc:8:24: error: 'i' was not declared in this scope
    8 |         for (ll i = 1; i <= n; i++)
      |                        ^
a.cc:10:19: error: expected ';' before 'pos'
   10 |                 ll pos = n / i;
      |                   ^~~~
      |                   ;
a.cc:12:17: error: 'tot' was not declared in this scope
   12 |                 tot += i * (pos * (pos + 1) / 2);
      |                 ^~~
a.cc:12:29: error: 'pos' was not declared in this scope
   12 |                 tot += i * (pos * (pos + 1) / 2);
      |                             ^~~
a.cc:15:9: error: 'cout' was not declared in this scope
   15 |         cout << tot;
      |         ^~~~
a.cc:15:17: error: 'tot' was not declared in this scope
   15 |         cout << tot;
      |                 ^~~
Language: C

#include <stdio.h>

unsigned int c(unsigned int num) {
    unsigned int i, num;
    unsigned int count = 0;
    for( i=1; i<=num; ++i ){
        if( num%i == 0 ) count++;
    }
    return count;
}

int main(void)
{
    unsigned int n, ans;
    scanf("%u", n);

    for(int i = 1; i <= n; i++) {
        ans = i * c(i);
    }
    printf("%u", ans);
    return 0;
}


Compiler output:
main.c: In function 'c':
main.c:4:21: error: 'num' redeclared as different kind of symbol
    4 |     unsigned int i, num;
      |                     ^~~
main.c:3:29: note: previous definition of 'num' with type 'unsigned int'
    3 | unsigned int c(unsigned int num) {
      |                ~~~~~~~~~~~~~^~~
Language: C++

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

int main() {
  ll n; cin>>n;
  ll ans=0;
  rep(i,n){
    ans+=(n/i)*((n/i)+1)*i/2;
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'll' was not declared in this scope
    6 |   ll n; cin>>n;
      |   ^~
a.cc:6:14: error: 'n' was not declared in this scope; did you mean 'yn'?
    6 |   ll n; cin>>n;
      |              ^
      |              yn
a.cc:7:5: error: expected ';' before 'ans'
    7 |   ll ans=0;
      |     ^~~~
      |     ;
a.cc:8:7: error: expected ';' before 'i'
    8 |   rep(i,n){
      |       ^
a.cc:3:25: note: in definition of macro 'rep'
    3 | #define rep(i,n) for(ll i=1; i<=(ll)(n); i++)
      |                         ^
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   rep(i,n){
      |       ^
a.cc:3:30: note: in definition of macro 'rep'
    3 | #define rep(i,n) for(ll i=1; i<=(ll)(n); i++)
      |                              ^
a.cc:9:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |     ans+=(n/i)*((n/i)+1)*i/2;
      |     ^~~
      |     abs
a.cc:11:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   11 |   cout<<ans<<endl;
      |         ^~~
      |         abs
Language: C++

#include<bits/stdc++.h>
#define rep(i,n) for(int i=1;i<(int) (n);i++)
using namespace std;
int main(){
  int64_t n,c=0;
  cin >> n;
  rep(i, n){
    int64_t y=n/i;
    c+=(y*(y+1)*i)/2;
  }
  cout << c << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:11:21: error: expected '}' at end of input
   11 |   cout << c << endl;
      |                     ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int f(int a){
  	int c=0;
  	if(a==1)
      	c=1;
  	else{
		for(int i=1;i<a;i++){
    		if(a%i==0)
          		c++;
    	}
    }
  	return c;
}
int main(){
	int n;
  	cin >> n;
  	int c;
  	for(int i=1;i<=n;i++){
    	c = f(i);
      	sumofdivisors += i*c; 
    }
  	cout << sumofdivisors;
  	return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #innclude; did you mean #include?
    1 | #innclude <bits/stdc++.h>
      |  ^~~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:18:9: error: 'cin' was not declared in this scope
   18 |         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 | #innclude <bits/stdc++.h>
a.cc:22:9: error: 'sumofdivisors' was not declared in this scope
   22 |         sumofdivisors += i*c;
      |         ^~~~~~~~~~~~~
a.cc:24:9: error: 'cout' was not declared in this scope
   24 |         cout << sumofdivisors;
      |         ^~~~
a.cc:24:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:24:17: error: 'sumofdivisors' was not declared in this scope
   24 |         cout << sumofdivisors;
      |                 ^~~~~~~~~~~~~
Language: C++

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

int main()
{
  int n;
  cin>>n;
  
  vector<int >prime(10000007,0);
  
  for(int i=1;i<=10000007;i++)
  {
    for(int j=i;j<=10000007;j+=i)
    {
      prime[j]++;
    }
  }
  long long int ans=0;
  for(int i =1;i<=n;i++)
  {
    ans = ans+(i*long long int(prime[i]));
  }
  cout<<ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:18: error: expected primary-expression before 'long'
   21 |     ans = ans+(i*long long int(prime[i]));
      |                  ^~~~
a.cc:21:18: error: expected ')' before 'long'
   21 |     ans = ans+(i*long long int(prime[i]));
      |               ~  ^~~~
      |                  )
Language: C++

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

int main()
{
  int n;
  cin>>n;
  
  vector<int >prime(10000007,0);
  
  for(int i=1;i<=10000007;i++)
  {
    for(int j=i;j<=10000007;j+=i)
    {
      prime[j]++;
    }
  }
  long long ans;
  for(int i =1;i<=n;i++)
  {
    ans = ans+(i*ll(prime[i]));
  }
  cout<<ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:18: error: 'll' was not declared in this scope
   21 |     ans = ans+(i*ll(prime[i]));
      |                  ^~
Language: C++

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

struct Sieve{
    int n;
    vector<int> f,primes;
    Sieve(int n = 1):n(n),f(n+1){
        f[0] = f[1] = -1;
        for(int i = 2;i <= n;i++){
            if(f[i]) continue;
            primes.push_back(i);
            f[i] = i;
            for(ll j = i*i;j <= n;j += i) {
               if(!f[j]) f[j] = i;
        }
    }
    bool isPrime(int x) {return f[x] == x;}
    vector<int> factorList(int x){
        vector<int> res;
        while(x != 1){
            res.push_back(f[x]);
            x /= f[x];
        }
        return res;
    }
    vector<pair<int,int>> factor(int x){
        
        vector<int> fl = factorList(x);
        if(fl.size() == 0) return{};
        vector<pair<int,int>> res(1,pair(fl[0],0))
        for(int p : fl){
            if(res.back().first == p){
                res.back().second++;
            }else{
                res.emplace_back(p,1);
            }
        }
        return res;
    }
};

int main(){
    // ll n;
    // ll ans = 0;
    // cin >> n;
    // vector<ll> a(n);
    // rep(i,n){
    //     // for (int j=i;j<=n;j += i+1)a[j]+=1;
    //     ll r = n/(i+1);
    //     ans += (i+1)*r*(1+r)/2;
    // }
    // rep(i,n)ans += (i+1)*a[i];
    // cout << ans << endl;

    int n;
    cin >> n;
    ll ans = 0;
    Sieve S(n+1);
    for(int i = 1;i<=n;i++){
        ll temp = 1;
        for(auto p :  S.factor(i)){
            temp *= p.second+1;
        }
        //cout << i << " " << temp << endl;
        ans += i*temp;
        
    }

    cout << ans << endl;
}

Compiler output:
a.cc:75:2: error: expected '}' at end of input
   75 | }
      |  ^
a.cc:9:13: note: to match this '{'
    9 | struct Sieve{
      |             ^
a.cc: In constructor 'Sieve::Sieve(int)':
a.cc:22:25: error: a function-definition is not allowed here before '{' token
   22 |     bool isPrime(int x) {return f[x] == x;}
      |                         ^
a.cc:23:34: error: a function-definition is not allowed here before '{' token
   23 |     vector<int> factorList(int x){
      |                                  ^
a.cc:31:40: error: a function-definition is not allowed here before '{' token
   31 |     vector<pair<int,int>> factor(int x){
      |                                        ^
a.cc: In member function 'int Sieve::main()':
a.cc:66:25: error: 'struct Sieve' has no member named 'factor'
   66 |         for(auto p :  S.factor(i)){
      |                         ^~~~~~
a.cc:75:1: warning: no return statement in function returning non-void [-Wreturn-type]
   75 | }
      | ^
a.cc: At global scope:
a.cc:75:2: error: expected unqualified-id at end of input
   75 | }
      |  ^
Language: C++

#include<iostream>
#include<cmath>

using namespace std;
 
int f(int a){
  int total = 0;
  for (int j = 1; j < sqrt(a); j++){
    if (a%j == 0) total+=2;
  }
  if (abs(j-sqrt(a)) < 0.00000000001) total++;
  return total;
}
 
int main(){
  int n;
  cin >> n;
  long long sum = 0;
  for (int i = 1; i <= n; i++){
    sum += i*f(i);
  }
  cout << sum;
}

Compiler output:
a.cc: In function 'int f(int)':
a.cc:11:11: error: 'j' was not declared in this scope
   11 |   if (abs(j-sqrt(a)) < 0.00000000001) total++;
      |           ^
Language: C++

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

 
int main(){
    ll n;
    cin >> n;
    ll arr[n+1];    
    for(ll i=1; i<=n; i++){
        for(ll j=i; j<=n; j+=i){
            arr[j]++;
        }
    }
    ll ans=0;
    for(ll i=1; i<=n; i++){
        ans+=(arr[i])*i;
    }
    cout<<ans;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:17: error: declaration does not declare anything [-fpermissive]
    2 | #define ll long long ;
      |                 ^~~~
a.cc:8:5: note: in expansion of macro 'll'
    8 |     ll n;
      |     ^~
a.cc:8:8: error: 'n' was not declared in this scope; did you mean 'yn'?
    8 |     ll n;
      |        ^
      |        yn
a.cc:2:17: error: declaration does not declare anything [-fpermissive]
    2 | #define ll long long ;
      |                 ^~~~
a.cc:10:5: note: in expansion of macro 'll'
   10 |     ll arr[n+1];
      |     ^~
a.cc:10:8: error: 'arr' was not declared in this scope
   10 |     ll arr[n+1];
      |        ^~~
a.cc:2:17: error: declaration does not declare anything [-fpermissive]
    2 | #define ll long long ;
      |                 ^~~~
a.cc:11:9: note: in expansion of macro 'll'
   11 |     for(ll i=1; i<=n; i++){
      |         ^~
a.cc:11:12: error: 'i' was not declared in this scope
   11 |     for(ll i=1; i<=n; i++){
      |            ^
a.cc:11:21: error: expected ')' before ';' token
   11 |     for(ll i=1; i<=n; i++){
      |        ~            ^
      |                     )
a.cc:11:23: error: 'i' was not declared in this scope
   11 |     for(ll i=1; i<=n; i++){
      |                       ^
a.cc:2:17: error: declaration does not declare anything [-fpermissive]
    2 | #define ll long long ;
      |                 ^~~~
a.cc:16:5: note: in expansion of macro 'll'
   16 |     ll ans=0;
      |     ^~
a.cc:16:8: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |     ll ans=0;
      |        ^~~
      |        abs
a.cc:2:17: error: declaration does not declare anything [-fpermissive]
    2 | #define ll long long ;
      |                 ^~~~
a.cc:17:9: note: in expansion of macro 'll'
   17 |     for(ll i=1; i<=n; i++){
      |         ^~
a.cc:17:21: error: expected ')' before ';' token
   17 |     for(ll i=1; i<=n; i++){
      |        ~            ^
      |                     )
Language: C++

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

 
int main(){
    ll n;
    cin >> n;
    ll arr[n+1];    
    for(ll i=1; i<=n; i++){
        for(ll j=i; j<=n; j+=i){
            arr[j]++;
        }
    }
    ll ans=0;
    for(ll i=1; i<=n; i++){
        ans+=(arr[i])*i;
    }
    cout<<ans;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'll' was not declared in this scope
    8 |     ll n;
      |     ^~
a.cc:9:12: error: 'n' was not declared in this scope; did you mean 'yn'?
    9 |     cin >> n;
      |            ^
      |            yn
a.cc:10:7: error: expected ';' before 'arr'
   10 |     ll arr[n+1];
      |       ^~~~
      |       ;
a.cc:11:11: error: expected ';' before 'i'
   11 |     for(ll i=1; i<=n; i++){
      |           ^~
      |           ;
a.cc:11:17: error: 'i' was not declared in this scope
   11 |     for(ll i=1; i<=n; i++){
      |                 ^
a.cc:12:15: error: expected ';' before 'j'
   12 |         for(ll j=i; j<=n; j+=i){
      |               ^~
      |               ;
a.cc:12:21: error: 'j' was not declared in this scope; did you mean 'jn'?
   12 |         for(ll j=i; j<=n; j+=i){
      |                     ^
      |                     jn
a.cc:13:13: error: 'arr' was not declared in this scope
   13 |             arr[j]++;
      |             ^~~
a.cc:16:7: error: expected ';' before 'ans'
   16 |     ll ans=0;
      |       ^~~~
      |       ;
a.cc:17:11: error: expected ';' before 'i'
   17 |     for(ll i=1; i<=n; i++){
      |           ^~
      |           ;
a.cc:17:17: error: 'i' was not declared in this scope
   17 |     for(ll i=1; i<=n; i++){
      |                 ^
a.cc:18:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |         ans+=(arr[i])*i;
      |         ^~~
      |         abs
a.cc:18:15: error: 'arr' was not declared in this scope
   18 |         ans+=(arr[i])*i;
      |               ^~~
a.cc:20:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |     cout<<ans;
      |           ^~~
      |           abs
Language: C++

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


Compiler output:
a.cc: In function 'int main()':
a.cc:15:7: error: redeclaration of 'int answer'
   15 |   int answer = 0;
      |       ^~~~~~
a.cc:6:7: note: 'int answer' previously declared here
    6 |   int answer = 0;
      |       ^~~~~~
Language: C++

#include<iostream>
#include<cmath>
using namespace std;
 
int number_yakusu(int nn);
 
int main()
{
  int N, Kf = 0;
  cin >> N;
  for(int nk = 1; nk <= N; nk++)
  {
    Kf += nk * number_yakusu(nk);    
  }
  cout << Kf <<endl;
  return 0;
}
 
int number_yakusu(int nn)
{
  int number = 0;
  double sqrtnn = sqrt(static_cast<double>(nn));
  for(int ni = 1; ni <= sqrtnn; ni++)
  {
    if(0 == nn % ni)
      number += 2;
  }
  
  if(pow(static_cast<int>(sqrtnn),2) == n)
    number--;
  
  return number;
}

Compiler output:
a.cc: In function 'int number_yakusu(int)':
a.cc:29:41: error: 'n' was not declared in this scope; did you mean 'nn'?
   29 |   if(pow(static_cast<int>(sqrtnn),2) == n)
      |                                         ^
      |                                         nn
Language: C++

#include<iostream>
#include<cmath>
using namespace std;
 
int number_yakusu(int nn);
 
int main()
{
  int N, Kf = 0;
  cin >> N;
  for(int nk = 1; nk <= N; nk++)
  {
    Kf += nk * number_yakusu(nk);    
  }
  cout << Kf <<endl;
  return 0;
}
 
int number_yakusu(int nn)
{
  int number = 0;
  double sqrtnn = sqrt(static_cast<double>(nn));
  for(int ni = 1; ni <= sqrtnn; ni++)
  {
    if(0 == nn % ni)
      number++;
  }
  
  if(pow(static_cast<int>(sqrtnn),2) == n)
    number--;
  
  return number;
}


Compiler output:
a.cc: In function 'int number_yakusu(int)':
a.cc:29:41: error: 'n' was not declared in this scope; did you mean 'nn'?
   29 |   if(pow(static_cast<int>(sqrtnn),2) == n)
      |                                         ^
      |                                         nn
Language: C++

#include<bits/stdc++h>
using namespace std;
int main(){
  int n;
  cin >> n;
  int answer = 0;
  for(int i = 1; i <= n; i++){
    for(int j = 1; j <= n; j++){
      if(i % j == 0){
        answer += 1;
        cout << answer << endl;
      }
    }
  }
}

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

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

const int maxn = 2e5 + 10;

int main()
{
    int n;
    double ans = 0;
    cin >> n;
    for (double i = 1.0; i <= n; i++)
        ans += (i / 2) * floor(n / i) * floor(1 + n / i);
    cout << static_cast<long long>(ans) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:26: error: 'floor' was not declared in this scope
   14 |         ans += (i / 2) * floor(n / i) * floor(1 + n / i);
      |                          ^~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
    cin>>n;
 
    int arr[n+10]= {0};
 
    for(int i=1; i<=n; ++i)
    {
        for(int j=0; j<=n; j+=i)
            arr[j]++;
    }
 
    ll ans = 0;
    for(ll i=1; i<=n; ++i)
        ans+= i* (long long)arr[i];
 
    cout<<ans<<endl;
return 0;
}  

Compiler output:
a.cc: In function 'int main()':
a.cc:15:5: error: 'll' was not declared in this scope
   15 |     ll ans = 0;
      |     ^~
a.cc:16:11: error: expected ';' before 'i'
   16 |     for(ll i=1; i<=n; ++i)
      |           ^~
      |           ;
a.cc:16:17: error: 'i' was not declared in this scope
   16 |     for(ll i=1; i<=n; ++i)
      |                 ^
a.cc:17:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 |         ans+= i* (long long)arr[i];
      |         ^~~
      |         abs
a.cc:19:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   19 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin>>n;
  int arr[n+1]={0};
  for(int i=1;i<=n;i++){
    for(int j=0;j<=n;j+=i){
      arr[j]+=1;
    }
}
  ll ans = 0;
    for(ll i=1; i<=n; ++i)
        ans+= i* (long long)arr[i];
 
    cout<<ans<<endl;
  return 0;
}  

Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: 'll' was not declared in this scope
   12 |   ll ans = 0;
      |   ^~
a.cc:13:11: error: expected ';' before 'i'
   13 |     for(ll i=1; i<=n; ++i)
      |           ^~
      |           ;
a.cc:13:17: error: 'i' was not declared in this scope
   13 |     for(ll i=1; i<=n; ++i)
      |                 ^
a.cc:14:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |         ans+= i* (long long)arr[i];
      |         ^~~
      |         abs
a.cc:16:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C++

#include<iostream>
#include<cstdio>
#include <stdio.h>
#include<algorithm>
#include<cstring>
#include<cmath>
#include<cstdlib>
#include<queue>
#include<map>
#include<vector>
#include <set>
#define ll long long
using namespace std;
int N=1e7+5;
int a[N];
ll ans=0;
int main()
{
    for(int i=1;i<10000000;i++)
    {
        for(int j=i;j<10000000;j+=i)
        {
            a[j]++;
        }
    }
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
        ans=ans+(long long)i*a[i];
    cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc:15:7: error: size of array 'a' is not an integral constant-expression
   15 | int a[N];
      |       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  long long a;cin>>a;
  long long ans;
  for(int i=1;i<=a;i++){
    int y=n/i;
    ans+=y*(y+1)*i/2;
  }
  cout<<ans;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: 'n' was not declared in this scope
    8 |     int y=n/i;
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  long long a;cin>>a;
  long long ans;
  for(int i=1;i<=n;i++){
    int y=n/i;
    ans+=y*(y+1)*i/2;
  }
  cout<<ans;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: 'n' was not declared in this scope
    7 |   for(int i=1;i<=n;i++){
      |                  ^
Language: C++

#include<iostream>
using namespace std;
long long f(long long n){return n*(n+1)/2;}
int main(){
  int n;
  cin>>n;
  for(int i=1;i<=n;i++){
    long long r=n/i;
    ans+=f(r)*i;
  }cout<<ans<<endl;
  return 0;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
    9 |     ans+=f(r)*i;
      |     ^~~
      |     abs
a.cc:10:10: error: 'ans' was not declared in this scope; did you mean 'abs'?
   10 |   }cout<<ans<<endl;
      |          ^~~
      |          abs
Language: C++

#include<iostram>
using namespace std;
long long f(long long n){return n*(n+1)/2;}
int main(){
  int n;
  cin>>n;
  for(int i=1;i<=n;i++){
    long long r=n/i;
    ans+=f(r)*i;
  }cout<<ans<<endl;
  return 0;
}
  

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

// CPP program for finding number of divisor 
#include<iostream>

using namespace std; 

// program for finding no. of divisors 
int divCount(int n) 
{ 
	// sieve method for prime calculation 
	bool hash[n + 1]; 
	memset(hash, true, sizeof(hash)); 
	for (int p = 2; p * p < n; p++) 
		if (hash[p] == true) 
			for (int i = p * 2; i < n; i += p) 
				hash[i] = false; 

	// Traversing through all prime numbers 
	int total = 1; 
	for (int p = 2; p <= n; p++) { 
		if (hash[p]) { 

			// calculate number of divisor 
			// with formula total div = 
			// (p1+1) * (p2+1) *.....* (pn+1) 
			// where n = (a1^p1)*(a2^p2).... 
			// *(an^pn) ai being prime divisor 
			// for n and pi are their respective 
			// power in factorization 
			int count = 0; 
			if (n % p == 0) { 
				while (n % p == 0) { 
					n = n / p; 
					count++; 
				} 
				total = total * (count + 1); 
			} 
		} 
	} 
	return total; 
} 

// driver program 
int main() 
{ 
    int n, i, ans = 0;
    cin >> n;
    for(i=1;i<=n;i++)
    {
        ans += (i*divCount(i));
    }
    cout << ans;
	return 0; 
} 


Compiler output:
a.cc: In function 'int divCount(int)':
a.cc:11:9: error: 'memset' was not declared in this scope
   11 |         memset(hash, true, sizeof(hash));
      |         ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<iostream>
  +++ |+#include <cstring>
    3 |
Language: C

//2020年4月17日現在

#include<stdio.h>
#include<cmath>
#include<math.h>
#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<complex>
#include<queue>
#include<set>
#include<utility>
#include<iomanip>
#include<limits>
#include<thread>
#include<map>
#include<stack>
#include<numeric>
#include<cassert>
#include<random>
#include<chrono>
#include<unordered_set>
#include<unordered_map>
#include<fstream>
#include<list>
#include<functional>
#include<bitset>
#include<tuple>
#include <cstdio>

using namespace std;

template <class... A>
void prints() { cout << "\n"; }
template <class... A>
void prints_rest() { cout << "\n"; }
template <class T, class... A>
void prints_rest(const T &first, const A &... rest) { cout << " " << first; prints_rest(rest...); }
template <class T, class... A>
void prints(const T &first, const A &... rest) { cout << first; prints_rest(rest...); }
template <class T, class... A>
void printd(const T &first, const A &... rest) { cout << fixed << setprecision(15) << first; prints_rest(rest...); }


namespace {
	// printElems(&a[0], &a[n]);　みたいな感じで使う。
	void printElems(const int* begin, const int* end)
	{
		for (const int* p = begin; p != end; ++p) {
			std::cout << *p << ' ';
		}
		std::cout << std::endl;
	}
}

#define rep(i,n) for(int i=0; i<n; i++)
#define rep1(i,n) for(int i=1; i<n+1; i++)
#define repr(i,n) for(int i=n-1; i>=0; i--)
#define repr1(i,n) for(int i=n; i>0; i--)
#define FOR(i,j,n) for(int i=j; i < n; i++)
#define souatari(i,j,n) rep1(i,n-1)rep(j,i)
#define souatari1(i,j,n) for(int i=2; i<n+1; i++)rep1(j,i-1)
#define mp make_pair
#define F first
#define S second
#define elif else if

typedef long long ll;
typedef vector<int>  vi;
typedef vector<vi>  vvi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<pii> vpii;
typedef array<int,3> arr3;
typedef long double D;


const ll llinf =  numeric_limits<ll>::max();
const ll _llinf = numeric_limits<ll>::lowest();
const int inf = numeric_limits<int>::max();
const int _inf = numeric_limits<int>::lowest();
const double dinf = numeric_limits<double>::infinity();
const ll MOD = 1000000007;
//const ll MOD = 998244353;
const ll BIG = 1LL<<60;


int main(){
	ll n;
	cin >> n;
	ll ans = 0;
	rep1(i,n){
		ll y = n/i;
		ans+=y*(y+1)*i/2;
	}
	prints(ans);

	return 0;
}




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

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int, int>;
const int INF = 1000000007;

int main() {
  ll n;
  cin >> n;

  ll ans = 0;
  for (ll j = 1; j <= n; j++) {
    ll d = n / j;
    ans += d * (d + 1) * j / 2;
  }

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

Compiler output:
a.cc:21:1: error: stray '\16' in program
   21 | <U+000E>
      | ^~~~~~~~
Language: C++

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


Int N ;//= 700000;

Int a[N+10];


void X()
{
    for(int i = 1;i<=N;i++)
    {
        for(int  j = 1;i*j<=N;j++)
        {
            a[i*j]++;
        }
    }
}


int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    N=n;
    X();
    Int ans=0;
    for(Int i = 1;i<=n;i++)
    {
        ans+=i*a[i];
    }
    cout<<ans<<endl;
}


Compiler output:
a.cc:9:8: error: size of array 'a' is not an integral constant-expression
    9 | Int a[N+10];
      |       ~^~~
Language: C++

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

int main() {
  int n;
  cin >> n;
  long long ans = 0;
  for (int i = 1; i <= n; i++) {
    // for (int j = i; j <= n; j += i) ans += j;
    ans += i * (n / j) * (n / j + 1) / 2;
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: 'j' was not declared in this scope
   10 |     ans += i * (n / j) * (n / j + 1) / 2;
      |                     ^
Language: Java

import java.util.*; 
class Main 
{
public static void main(String []args) 
{
Scanner sc = new Scanner(System.in); 
int n = sc.nextInt(); 
long sum=0; 
for(int i=1;i<=n;i++) 
{
for(int j=1;j<=i;j++) 
{
if(n%j==0) 
{
count++;
}  
}  
} 
  
System.out.print(count);  
}
}

Compiler output:
Main.java:15: error: cannot find symbol
count++;
^
  symbol:   variable count
  location: class Main
Main.java:20: error: cannot find symbol
System.out.print(count);  
                 ^
  symbol:   variable count
  location: class Main
2 errors
Language: C++

#include<bits/stdc++.h>
#define ll long long int
using namespace std;
ll i, sum, div, N;
int main()
{
    cin >> N;
    for(i=1;i<=N;i++)
    {
        sum += i;
        for(div=2*i;div<=N;div+=i)
            sum+=div;
    }
    cout << sum << endl;
    return 0;
}


Compiler output:
a.cc:4:12: error: 'long long int div' redeclared as different kind of entity
    4 | ll i, sum, div, N;
      |            ^~~
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:1:
/usr/include/stdlib.h:992:14: note: previous declaration 'div_t div(int, int)'
  992 | extern div_t div (int __numer, int __denom)
      |              ^~~
a.cc: In function 'int main()':
a.cc:11:19: error: overloaded function with no contextual type information
   11 |         for(div=2*i;div<=N;div+=i)
      |                   ^
a.cc:11:24: error: invalid operands of types '<unresolved overloaded function type>' and 'long long int' to binary 'operator<='
   11 |         for(div=2*i;div<=N;div+=i)
      |                     ~~~^~~
a.cc:11:33: error: overloaded function with no contextual type information
   11 |         for(div=2*i;div<=N;div+=i)
      |                                 ^
a.cc:12:18: error: overloaded function with no contextual type information
   12 |             sum+=div;
      |                  ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
const int M = 10000001;
ll a[M];
int main() {
    int N;
    cin >> N;
    fill(a, a + M, 1);
    for (ll i = 2; i < M; i++) {
        for (ll j = 1; i * j < M; j++) {
            a[i * j]++;
        }
    }
    ll ans = 0;
    for (ll i = 1; i <= N; i++) {
        ans += i * a[i];
    }
    cout << ans << "\n";
    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:21:14: error: expected '}' at end of input
   21 |     return 0;
      |              ^
a.cc:7:12: note: to match this '{'
    7 | int main() {
      |            ^
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <math.h>
#include <cstdint>
#include <sstream>
#include <map>
#include <cstring>
#include <vector>
#include <queue>
#include <iomanip>
#include <stack>

using namespace std;
typedef long long ll;

ll ans, mx, sum, mn = 1e14, cnt;

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


Compiler output:
a.cc:19:1: error: 'l' does not name a type; did you mean 'll'?
   19 | l
      | ^
      | ll
Language: C

#include <stdio.h>

int main(void)
{
  int n;
  int i;
  int j;
  int sum=0;
  
  scanf("%d",n);
  int f;
  
  for(i=1;i<=n;i++)
  {
    f=0;
    for(j=1;j<=i;j++)
    {
      if(i%j==0)
      {
        f=f+1;
      }
    }
    sum=sum+i*f;
  }
    
  printf("%d",sum);
    
  return0;
}
    
      
        
      
      

Compiler output:
main.c: In function 'main':
main.c:28:3: error: 'return0' undeclared (first use in this function)
   28 |   return0;
      |   ^~~~~~~
main.c:28:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main() {
//    freopen("10.in", "r", stdin);
//    freopen("10.out", "w", stdout);
    int n;
    cin >> n;
    ll ans = 0;
    for(int i = 1; i <= n; i++) {
        ans += (ll)(i + n / i * i) * (n / i) / 2;
        // cout << ans << endl;
    }
    cout << ans << endl;
}

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'll' was not declared in this scope
    9 |     ll ans = 0;
      |     ^~
a.cc:11:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   11 |         ans += (ll)(i + n / i * i) * (n / i) / 2;
      |         ^~~
      |         abs
a.cc:14:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |     cout << ans << endl;
      |             ^~~
      |             abs
a.cc: At global scope:
a.cc:17:5: error: expected unqualified-id before 'return'
   17 |     return 0;
      |     ^~~~~~
a.cc:18:1: error: expected declaration before '}' token
   18 | }
      | ^
Language: Java

public class Task3 {
    public void solve(int testNumber, Scanner in, PrintWriter out) {
        int n = in.nextInt();
        int cnt[] = new int[n + 1];

        long tot = 0;
        for(int i = 1;i <= n; ++i) {
            if (i != 1) {
                for (int j = i; j <= n; j += i) {
                    cnt[j]++;
                }
                tot += i * (long)(cnt[i] + 1);
            } else {
                tot++;
            }
        }
        out.println(tot);
    }
}

Compiler output:
Main.java:1: error: class Task3 is public, should be declared in a file named Task3.java
public class Task3 {
       ^
Main.java:2: error: cannot find symbol
    public void solve(int testNumber, Scanner in, PrintWriter out) {
                                      ^
  symbol:   class Scanner
  location: class Task3
Main.java:2: error: cannot find symbol
    public void solve(int testNumber, Scanner in, PrintWriter out) {
                                                  ^
  symbol:   class PrintWriter
  location: class Task3
3 errors
Language: C

#include <stdio.h>
int MAXN = 1e7 + 1;
int n, x, y, f, c, i, j, spf[MAXN];
long long ans = 1, z;
int main()
{
	for (i = 2; i < MAXN; i += 2)
        spf[i] = 2;
	for (i = 3; i < MAXN; i += 2)
        spf[i] = i;
    for (i = 3; i < 3162; i += 2)
        if (spf[i] == i)
            for (j = i * i; j < MAXN; j += i)
                if (spf[j] == j)
                    spf[j] = i;
	scanf("%d", &n);
	for (i = 2; i <= n; ++i)
	{
		x = i, f = 1, c = 1, z = 1;
		while (x > 1)
			y = spf[x], x /= y, y > f ? z *= c, c = 2, f = y : ++c;
		ans += i * z * c;
	}
	printf("%lld", ans);
    return 0;
}

Compiler output:
main.c:3:26: error: variably modified 'spf' at file scope
    3 | int n, x, y, f, c, i, j, spf[MAXN];
      |                          ^~~
Language: C

#include <stdio.h>
const int MAXN = 1e7 + 1;
int n, x, y, f, c, i, j, spf[MAXN];
long long ans = 1, z;
int main()
{
	for (i = 2; i < MAXN; i += 2)
        spf[i] = 2;
	for (i = 3; i < MAXN; i += 2)
        spf[i] = i;
    for (i = 3; i < 3162; i += 2)
        if (spf[i] == i)
            for (j = i * i; j < MAXN; j += i)
                if (spf[j] == j)
                    spf[j] = i;
	scanf("%d", &n);
	for (i = 2; i <= n; ++i)
	{
		x = i, f = 1, c = 1, z = 1;
		while (x > 1)
			y = spf[x], x /= y, y > f ? z *= c, c = 2, f = y : ++c;
		ans += i * z * c;
	}
	printf("%lld", ans);
    return 0;
}

Compiler output:
main.c:3:26: error: variably modified 'spf' at file scope
    3 | int n, x, y, f, c, i, j, spf[MAXN];
      |                          ^~~
Language: Java

package Codes;

import java.util.Scanner;
import java.io.PrintWriter;

public class Task3 {
    public void solve(int testNumber, Scanner in, PrintWriter out) {
        int n = in.nextInt();
        long cnt[] = new long[n + 1];

        long tot = 1;
        for(int i = 2;i <= n; ++i){
            for(int j = i;j <= n; j += i){
                cnt[j]++;
            }
            cnt[i]++;
            tot += (i*cnt[i]);
        }
        out.println(tot);
    }
}


Compiler output:
Main.java:6: error: class Task3 is public, should be declared in a file named Task3.java
public class Task3 {
       ^
1 error
Language: C++

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

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

    ll n, ans = 0LL; cin >> n;
    vector<ll> f(n+1, 0LL);
    for(ll i = 1LL; i <= n; ++i) for(ll l = 1LL; l*i <= n; ++l) ++f[l*d];
    for(ll i = 1LL; i <= n; ++i) ans += i*f[i];
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:71: error: 'd' was not declared in this scope
   13 |     for(ll i = 1LL; i <= n; ++i) for(ll l = 1LL; l*i <= n; ++l) ++f[l*d];
      |                                                                       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define mod 1000000007
ll divCount(ll n) 
{ 
    bool prime[n + 1]; 
    memset(hash, true, sizeof(prime)); 
    for (ll p = 2; p * p < n; p++) 
        if (prime[p] == true) 
            for (int i = p * 2; i < n; i += p) 
                prime[i] = false;
    ll total = 1; 
    for (ll p = 2; p <= n; p++) { 
        if (prime[p]) { 
            ll count = 0; 
            if (n % p == 0) { 
                while (n % p == 0) { 
                    n = n / p; 
                    count++; 
                } 
                total = total * (count + 1); 
            } 
        } 
    } 
    return total; 
} 
int main()
{
    ll n,i,s=0;
    cin>>n;
    for(i=1;i<=n;i++)
    {
        
        s+=(i*divCount(i));
    }
    cout<<s<<"\n";
    return 0;
    
}


Compiler output:
a.cc: In function 'long long int divCount(long long int)':
a.cc:8:16: error: missing template arguments before ',' token
    8 |     memset(hash, true, sizeof(prime));
      |                ^
Language: C++

//                                               KEEP GRINDING
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 

using namespace std;
using namespace __gnu_pbds; 

typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>   new_data_set;

#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); 

#define int long long
#define ld long double
#define MOD 1000000007
#define mod 998244353
#define precise(i) fixed << setprecision(10) << i
#define f(i,a,b) for(int i=a;i<b;++i)

#define endl '\n'
#define debug cout<<"\n========================================\n";
#define err1(a) cout<<#a<<" "<<a<<endl;
#define err2(a,b) cout<<#a<<" "<<a<<" "<<#b<<" "<<b<<endl;
#define err3(a,b,c) cout<<#a<<" "<<a<<" "<<#b<<" "<<b<<" "<<#c<<" "<<c<<endl;
#define err4(a,b,c,d) cout<<#a<<" "<<a<<" "<<#b<<" "<<b<<" "<<#c<<" "<<c<<" "<<#d<<" "<<d<<endl;

#define all(a) a.begin(),a.end()
#define show(a) for(auto xyz:a)cout<<xyz<<" ";cout<<endl;
#define PQ priority_queue
#define mx(a) *max_element(a)
#define mn(a) *min_element(a) 
#define LB lower_bound  //THIS GIVES THE ITR TO THE ELEMENT IN RANGE [SI,EI) THAT IS >= OUR VALUE 
#define UB upper_bound  //THIS GIVES THE ITR TO THE ELEMENT IN RANGE [SI,EI) THAT IS > OUR VALUE 

#define fr first
#define sc second

#define MAXN 10000010
#define INF 9223372036854775807
int spf[MAXN+5];
void sieve() 
{ 
    spf[1] = 1; 
    for (int i=2; i<MAXN; i++) 
        spf[i] = i; 
  
    for (int i=4; i<MAXN; i+=2) 
        spf[i] = 2; 
  
    for (int i=3; i*i<MAXN; i++) 
    { 
        if (spf[i] == i) 
        { 
            for (int j=i*i; j<MAXN; j+=i) 
  
                if (spf[j]==j) 
                    spf[j] = i; 
        } 
    } 
} 
 
int generatePrimeFactors(int N) 
{ 
    vector<int> vec;
    int curr = spf[N];   
    int cnt = 1;   
  
  
    while (N > 1) 
    { 
        N /= spf[N]; 
 
        if (curr == spf[N]) 
        { 
            cnt++; 
            continue; 
        } 
  
		vec.push_back(cnt); 
		
        curr = spf[N]; 
        cnt = 1; 
    } 
    int res=1;
    for(auto i:vec){
    	res*=(i+1);
	}
	return res;
} 
signed main(){
    fastio
    seive();
    int n,ans=0;
    cin>>n;
    f(i,1,n+1)
    	ans+=i*generatePrimeFactors(i);
	cout<<ans;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:92:5: error: 'seive' was not declared in this scope; did you mean 'sieve'?
   92 |     seive();
      |     ^~~~~
      |     sieve
Language: C

#include<stdio.h>

int main(void){
  long longsum;
  int N,a;
  scanf("%d",&N);
  for(int i=1;i<=N;i++){
    a=i;
    int fx=0;
    for(int j=1;j<i/2;j++){
      if(a%j==0){
        a=a/j;
        fx++;
      }
      if(a==1)break;
    }
    sum=sum+(i*fx);
  }
  printf("%d\n",sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:17:5: error: 'sum' undeclared (first use in this function)
   17 |     sum=sum+(i*fx);
      |     ^~~
main.c:17:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main(void){
  long long,sum;
  int N,a;
  scanf("%d",&N);
  for(int i=1;i<=N;i++){
    a=i;
    int fx=0;
    for(int j=1;j<i/2;j++){
      if(a%j==0){
        a=a/j;
        fx++;
      }
      if(a==1)break;
    }
    sum=sum+(i*fx);
  }
  printf("%d\n",sum);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:12: error: expected identifier or '(' before ',' token
    4 |   long long,sum;
      |            ^
main.c:17:5: error: 'sum' undeclared (first use in this function)
   17 |     sum=sum+(i*fx);
      |     ^~~
main.c:17:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main(void){
  long long N a sum;
  scanf("%d",&N);
  for(int i=0;i<N;i++){
    a=i;
    int fx=0;
    for(int j=1;j<i/2;j++){
      if(a%j==0){
        a=a/j;
        fx++;
      }
    }
    sum=sum+(i*fx);
  }
  printf("%d\n",sum);
  return 0;
}
        
    
    
  

Compiler output:
main.c: In function 'main':
main.c:4:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'a'
    4 |   long long N a sum;
      |               ^
main.c:4:15: error: unknown type name 'a'
main.c:5:15: error: 'N' undeclared (first use in this function)
    5 |   scanf("%d",&N);
      |               ^
main.c:5:15: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:5: error: 'a' undeclared (first use in this function)
    7 |     a=i;
      |     ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
    long long n;
    cin >> n;

    long long y, ans = 0;

    for( long long i = 1; i <= n; i++ )
    {
        y = n / x;
        ans += (( y * ( y + 1 ) * x ) / 2 );
    }

    cout << ans << "\n";    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:17: error: 'x' was not declared in this scope
   14 |         y = n / x;
      |                 ^
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#include <vector>
#include <string>
#include <iomanip>
# define M_PIl        3.141592653589793238462643383279502884
using namespace std;

typedef long long ll;
typedef long double ld;

int main(){
  vector<ll> arr(1e7+7,1);
  for(ll i=2;i<=1e7;i++){
    for(ll z=(i-1);z<=1e7;z+=i){
      arr[z]++;
    }
  }
  ll n; cin >> n;
  ll ans = 0;
  for(ll i=1;i<=n;i++){
    ans += i*arr[i-1];
  }
  cout << ans;4

}

Compiler output:
a.cc:10:10: warning: "M_PIl" redefined
   10 | # define M_PIl        3.141592653589793238462643383279502884
      |          ^~~~~
In file included from /usr/include/c++/14/cmath:47,
                 from a.cc:3:
/usr/include/math.h:1157:10: note: this is the location of the previous definition
 1157 | # define M_PIl          3.141592653589793238462643383279502884L /* pi */
      |          ^~~~~
a.cc: In function 'int main()':
a.cc:28:16: error: expected ';' before '}' token
   28 |   cout << ans;4
      |                ^
      |                ;
   29 | 
   30 | }
      | ~