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

#include<bits/stdc++.h>

int main(void){
  int best,c,countA,countB,N;
  for(int i=1;i*i<N;i++){
    if(N%A!=0)continue;
    countA = 0;
    countB = 0;
    int A = N/i;
    int B = i;
    while(A!=0){
      A/=10;
      countA++;
    }
    while(B!=0){
      B/=10;
      countB++;
    }
    if(best<countA){
      best = countA;
    }
    if(best<countB){
      best = countB;
    }
  }
  printf("%d",best);
  return 0;
}
      


Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: 'A' was not declared in this scope
    6 |     if(N%A!=0)continue;
      |          ^
Language: C++

#include<bits/stdc++.h>

int main(void){
  int best,c,countA,countB,N;
  for(int i=1;i*i<N;i++){
    countA = 0;
    countB = 0;
    int A = N/i;
    int B = N/A;
    while(A!=0){
      tmp/=10;
      countA++;
    }
    while(B!=0){
      tmp/=10;
      countB++;
    }
    if(best<countA){
      best = countA;
    }
    if(best<countB){
      best = countB;
    }
  }
  printf("%d",best);
  return 0;
}
      


Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   11 |       tmp/=10;
      |       ^~~
      |       tm
a.cc:15:7: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   15 |       tmp/=10;
      |       ^~~
      |       tm
Language: C++

#include<bits/stdc++.h>

int main(void){
  int best,c,count,N;
  for(int i=0;i*i<N;i++){
    count = 0;
    tmp = N/i;
    while(tmp!=0){
      tmp/=10;
      count++;
    }
    if(best<count){
      best = count;
    }
  }
  printf("%d",count);
  return 0;
}
      


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'tmp' was not declared in this scope; did you mean 'tm'?
    7 |     tmp = N/i;
      |     ^~~
      |     tm
Language: C++

#include<bits/stdc++.h>

int main(void){
  int best,c,count,N;
  for(int i=0;i<N;i++){
    count = 0;
    tmp = N/i;
    while(tmp!=0){
      tmp/=10;
      count++;
    }
    if(best<count){
      best = count;
    }
  }
  printf("%d",count);
  return 0;
}
      

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'tmp' was not declared in this scope; did you mean 'tm'?
    7 |     tmp = N/i;
      |     ^~~
      |     tm
Language: C++

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

int F(int A, int B){
    int k, l;
    k = 0;
    l = 0;
    while(A != 0){
      A /= 10;
      k++;
    }
    while(B != 0){
      B /= 10;
      l++;
    }
    
   return max(k, l);
  }

int main(){
  int64_t N, ans;
  cin >> N;
  ans = 10000000;
  for(int i = 1; i <= sqrt(N); i++){
    double j = N / i;
    int k = N / i;
    if(j == k){
      int a = F(i, k);
      ans = min(a, ans);
    }
  }
  
  cout << ans << endl;
      
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:16: error: no matching function for call to 'min(int&, int64_t&)'
   29 |       ans = min(a, ans);
      |             ~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:29:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int64_t' {aka 'long int'})
   29 |       ans = min(a, ans);
      |             ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:29:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   29 |       ans = min(a, ans);
      |             ~~~^~~~~~~~
Language: C++

//おまじないc++
#include <iostream>
#include<cmath>
#include<vector>
#include <algorithm>
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
using namespace std;
int digit(long int x) {
	int d = 0;
	while (x != 0) {
		x /=10;
		d++;
	}
	return d;
}

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

		long int max = floor(sqrt(n));
		int i;
		for (i = max; i > 0; i--) {
			if (n % i == 0) {
				break;
			}
		}

		cout << max({ digit(i), digit(n / i) });
	}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:28: error: 'max' cannot be used as a function
   30 |                 cout << max({ digit(i), digit(n / i) });
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

//おまじないc++
#include <iostream>
#include<cmath>
#include<vector>
#include <algorithm>
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
using namespace std;
int digit(long int x) {
	int d = 0;
	while (x != 0) {
		x /=10;
		d++;
	}
	return d;
}

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

		long int max = floor(sqrt(n));
		int i;
		for (i = max; i > 0; i--) {
			if (n % i == 0) {
				break;
			}
		}

		cout << max(digit(i), digit(n / i));
	}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:28: error: 'max' cannot be used as a function
   30 |                 cout << max(digit(i), digit(n / i));
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

//おまじないc++
#include <iostream>
#include<cmath>
#include<vector>
#include <algorithm>
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
using namespace std;
int digit(long int x) {
	int d = 0;
	while (x != 0) {
		x /= 0;
		d++;
	}
	return d;
}

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

		long int max = floor(sqrt(n));
		int i;
		for (i = max; i > 0; i--) {
			if (n % i == 0) {
				break;
			}
		}

		cout << max(digit(i), digit(n / i));
	}


Compiler output:
a.cc: In function 'int digit(long int)':
a.cc:12:19: warning: division by zero [-Wdiv-by-zero]
   12 |                 x /= 0;
      |                 ~~^~~~
a.cc: In function 'int main()':
a.cc:30:28: error: 'max' cannot be used as a function
   30 |                 cout << max(digit(i), digit(n / i));
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

//おまじないc++
#include <iostream>
#include<cmath>
#include<vector>
#include <algorithm>
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
using namespace std;
int digit(long int x) {
	int d = 0;
	while (x != 0) {
		x /= 0;
		d++;
	}
}

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

		long int max = floor(sqrt(n));
		int i;
		for (i = max; i > 0; i--) {
			if (n % i == 0) {
				break;
			}
		}

		cout << max(digit(i), digit(n / i));
	}


Compiler output:
a.cc: In function 'int digit(long int)':
a.cc:12:19: warning: division by zero [-Wdiv-by-zero]
   12 |                 x /= 0;
      |                 ~~^~~~
a.cc:15:1: warning: no return statement in function returning non-void [-Wreturn-type]
   15 | }
      | ^
a.cc: In function 'int main()':
a.cc:29:28: error: 'max' cannot be used as a function
   29 |                 cout << max(digit(i), digit(n / i));
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

//おまじないc++
#include <iostream>
#include<cmath>
#include<vector>
#include <algorithm>
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
using namespace std;
int digit(long int x) {
	int d = 0;
	while (x != 0) {
		x /= 0;
		d++;
	}

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

		long int max = floor(sqrt(n));
		int i;
		for (i = max; i > 0; i--) {
			if (n % i == 0) {
				break;
			}
		}

		cout << max(digit(i), digit(n / i));
	}

Compiler output:
a.cc: In function 'int digit(long int)':
a.cc:12:19: warning: division by zero [-Wdiv-by-zero]
   12 |                 x /= 0;
      |                 ~~^~~~
a.cc:16:17: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   16 |         int main() {
      |                 ^~
a.cc:16:17: note: remove parentheses to default-initialize a variable
   16 |         int main() {
      |                 ^~
      |                 --
a.cc:16:17: note: or replace parentheses with braces to value-initialize a variable
a.cc:16:20: error: a function-definition is not allowed here before '{' token
   16 |         int main() {
      |                    ^
a.cc:29:10: error: expected '}' at end of input
   29 |         }
      |          ^
a.cc:9:23: note: to match this '{'
    9 | int digit(long int x) {
      |                       ^
a.cc:29:10: warning: no return statement in function returning non-void [-Wreturn-type]
   29 |         }
      |          ^
Language: C++

require 'pp'
require 'prime'
require 'set'

N=gets.chomp.split(' ').map{|n| n.to_i}.first
#
# if Prime.prime?(N)
#   puts N-1
#   exit
# end
#
# a=0
# b=0
#
# mini = 1_000_000_000_000_0
# source = Math.sqrt(N).to_i+1
# 1.upto(source) do |n|
#   next if N%n!=0
#   a=n
#   b=N/n
#   if ((a-1 + b-1) < mini)
#     mini = a-1 + b-1
#   end
# end
#
# puts mini
#
#
#

# a,b,x=gets.chomp.split(' ').map{|n| n.to_f}

def divisors(n)
  n.prime_division.inject([1]) do |ary, (p, e)|
    (0..e).map{ |e1| p ** e1 }.product(ary).map{ |a, b| a * b }
  end.sort
end

def arc057func(a,b)
  [a.to_s.size, b.to_s.size].max
end

ans = 10**10
divisors(N).each do |n|
  candidate = arc057func(n, N/n)
  if candidate < ans
    ans = candidate
  end
end

puts ans

Compiler output:
a.cc:1:9: warning: multi-character character constant [-Wmultichar]
    1 | require 'pp'
      |         ^~~~
a.cc:2:9: warning: multi-character literal with 5 characters exceeds 'int' size of 4 bytes
    2 | require 'prime'
      |         ^~~~~~~
a.cc:3:9: warning: multi-character character constant [-Wmultichar]
    3 | require 'set'
      |         ^~~~~
a.cc:7:11: error: token "." is not valid in preprocessor expressions
    7 | # if Prime.prime?(N)
      |           ^
a.cc:21: error: unterminated #if
   21 | #   if ((a-1 + b-1) < mini)
a.cc:7: error: unterminated #if
    7 | # if Prime.prime?(N)
a.cc:1:1: error: 'require' does not name a type
    1 | require 'pp'
      | ^~~~~~~
a.cc:5:40: error: expected unqualified-id before '.' token
    5 | N=gets.chomp.split(' ').map{|n| n.to_i}.first
      |                                        ^
Language: C

#include<bits/stdc++.h>
using namespace std;
int main(){
	long long n,m;
  	cin >> n;
  	for(int i=1; i <= sqrt(n); i++){
		if(n%i==0) m=(long long)log10(n/i)+1;
    }
  	cout << m;
}

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<bits/stdc++.h>
using namespace std;
int main(){
	long long n,m;
  	cin >> n;
  	for(int i=1; i <= n/2; i++){
		if(n%i==0) m=(lli)log10(m/i)+1;
    }
  	cout << m;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:31: error: 'lli' was not declared in this scope
    7 |                 if(n%i==0) m=(lli)log10(m/i)+1;
      |                               ^~~
Language: C++

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

int count(ll n){
  int res = 0;
  while(n>0){
    res++;
    n/=10;
  }
  return res;
}

int main(){
  ll N;
  cin >> N;
  //1*Nの桁数
  int ans = count(N);
    for (ll A=1LL; A*A<=N; A++)}
      if(N%A!=0) continue;
      const int B = N/A;
      const int cur = max(count(A),count(B));
      cur < ans ? ans = cur : 0;
    }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:32: error: expected primary-expression before '}' token
   19 |     for (ll A=1LL; A*A<=N; A++)}
      |                                ^
a.cc: At global scope:
a.cc:20:7: error: expected unqualified-id before 'if'
   20 |       if(N%A!=0) continue;
      |       ^~
a.cc:21:21: error: 'N' was not declared in this scope
   21 |       const int B = N/A;
      |                     ^
a.cc:21:23: error: 'A' was not declared in this scope
   21 |       const int B = N/A;
      |                       ^
a.cc:22:33: error: 'A' was not declared in this scope
   22 |       const int cur = max(count(A),count(B));
      |                                 ^
a.cc:23:7: error: 'cur' does not name a type
   23 |       cur < ans ? ans = cur : 0;
      |       ^~~
a.cc:24:5: error: expected declaration before '}' token
   24 |     }
      |     ^
a.cc:25:3: error: 'cout' does not name a type
   25 |   cout << ans << endl;
      |   ^~~~
a.cc:26:3: error: expected unqualified-id before 'return'
   26 |   return 0;
      |   ^~~~~~
a.cc:27:1: error: expected declaration before '}' token
   27 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  long long x;
  long longi=0;
  cin >> x;
  while(x!=0){
    i++;
    if(x>=2*i+1)x-=i;
    else if(x==i)x-=i;
  }
  cout << i;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'i' was not declared in this scope
    8 |     i++;
      |     ^
a.cc:12:11: error: 'i' was not declared in this scope
   12 |   cout << i;
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int keta(int n){
  if(n<10)return 1;
  else if(n<100)return 2;
  else if(n<1000)return 3;
  else if(n<10000)return 4;
  else if(n<100000)return 5;
  else if(n<1000000)return 6;
  else return 7;
}


int main(){
  long long n:
  cin >> n;
  int sqn = (int)sqrt((double)n) + 1;
  int i;
  int min = 7;
  for(i=1;i<=sqn;i++){
    if(n%i==0){
      if(min>max(keta(i),keta(n/i)))min = max(keta(i),keta(n/i));
    }
  }
  cout << min;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:15:14: error: found ':' in nested-name-specifier, expected '::'
   15 |   long long n:
      |              ^
      |              ::
a.cc:15:13: error: 'n' has not been declared
   15 |   long long n:
      |             ^
a.cc:16:7: error: qualified-id in declaration before '>>' token
   16 |   cin >> n;
      |       ^~
a.cc:17:31: error: 'n' was not declared in this scope; did you mean 'yn'?
   17 |   int sqn = (int)sqrt((double)n) + 1;
      |                               ^
      |                               yn
Language: C++

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

int F(int n1, int n2) {
  int digit1 = 1, digit2 = 1;
  while(n1/10) {
    digit1++;
    n1 /= 10;
  }
  while(n2/10) {
    digit2++;
    n2 /= 10;
  }
  return max(digit1, digit2);
}
    


int main () {
  int N;
  cin >> N;
  for (int i=1;i<(N+1)/2;i++) {
    if (i==0) {
      ans = F(1,N);
    }
    else if (N%i==0) {
      ans = min(ans,F(i,N/i));
    }
  }
  cout << ans << endl;
}
      

Compiler output:
a.cc: In function 'int main()':
a.cc:24:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |       ans = F(1,N);
      |       ^~~
      |       abs
a.cc:27:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   27 |       ans = min(ans,F(i,N/i));
      |       ^~~
      |       abs
a.cc:30:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   30 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(false); cin.tie(0);
#define FOR(i,s,n) for(int i = s; i < (n); i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(n) (n).begin(), (n).end()
#define RALL(n) (n).rbegin(), (n).rend()
#define ATYN(n) cout << ( (n) ? "Yes":"No") << endl;
#define CFYN(n) cout << ( (n) ? "YES":"NO") << endl;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int,int>;

int main(void)
{
    IOS
    ll n; cin >> n;
    int ans = 1e8;
    for(ll i = 1;i * i <= n;i++) {
        if (n % i == 0) {
            string s = to_string(max(n/i,i));
            ans = min(ans,s.size());
        }
    }

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:22: error: no matching function for call to 'min(int&, std::__cxx11::basic_string<char>::size_type)'
   22 |             ans = min(ans,s.size());
      |                   ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:22:22: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
   22 |             ans = min(ans,s.size());
      |                   ~~~^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:22:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |             ans = min(ans,s.size());
      |                   ~~~^~~~~~~~~~~~~~
Language: Java


import java.io.PrintWriter;
import java.util.*;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int N = Integer.parseInt(sc.next());
		int M = (int) Math.sqrt(N);
		int tmp=1;
		for(in i=1;i<M;i++){
			if(N%i==0){
				tmp = i;
			}
		}
		int r = Math.max(tmp,N/tmp);
		int count = 0;
		while(r>0){
			r /= 10;
			count ++ ;
		}
		out.println(count);

	out.flush();
	}
}



Compiler output:
Main.java:13: error: cannot find symbol
		for(in i=1;i<M;i++){
		    ^
  symbol:   class in
  location: class Main
1 error
Language: Java

public class Main {

    public static void main(String[] args) {
        try (Scanner sc = new Scanner(System.in)) {
            System.out.println(minF(sc.nextInt()));
        }
    }

    public static int minF(int n) {
        int balance = 1;
        int restMulti = 1; 
        List<Integer> prime = new ArrayList<>();
        for (int i = 2; i * i <= n; i++) {
            boolean rest = false;  
            while (n % i == 0) {
                n /= i;
                if (rest) balance *= i;
                rest = !rest;
            }
            if (rest) {
                prime.add(i);
                restMulti *= i;
            }
        }
        if (n != 1) {
            prime.add(n);
            restMulti *= n;
        }

        if(prime.isEmpty()) {
            return (int)Math.log10(balance) + 1;
        }

        int minB = Integer.MAX_VALUE;  
        for (int i = 2; i <= (1 << (prime.size() - 1)); i += 2) {
            BitSet set = BitSet.valueOf(new long[]{i});
            int a = 1;
            for (int j = set.nextSetBit(0); j >= 0; j = set.nextSetBit(j + 1)) {
                a *= prime.get(j);
            }
            int b = restMulti / a;
            minB = Math.min(minB, Math.max(a, b));
        }
        return (int)Math.log10(minB) + 1;
    }

}

Compiler output:
Main.java:4: error: cannot find symbol
        try (Scanner sc = new Scanner(System.in)) {
             ^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
        try (Scanner sc = new Scanner(System.in)) {
                              ^
  symbol:   class Scanner
  location: class Main
Main.java:12: error: cannot find symbol
        List<Integer> prime = new ArrayList<>();
        ^
  symbol:   class List
  location: class Main
Main.java:12: error: cannot find symbol
        List<Integer> prime = new ArrayList<>();
                                  ^
  symbol:   class ArrayList
  location: class Main
Main.java:36: error: cannot find symbol
            BitSet set = BitSet.valueOf(new long[]{i});
            ^
  symbol:   class BitSet
  location: class Main
Main.java:36: error: cannot find symbol
            BitSet set = BitSet.valueOf(new long[]{i});
                         ^
  symbol:   variable BitSet
  location: class Main
6 errors
Language: C++

#include <iostream>
#include <string>
#include <stack>
#include <queue>
#include <vector>
#include <list>
#include <set>
#include <map>
#include <algorithm>

#include <cstdio>

using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define repc(i, s, n) for (int i = (s); i <= (n); i++)
#define rrep(i, n) for (int i = (n) - 1; i >= 0; i--)
#define rrepc(i, s, n) for (int i = (s); i >= (n); i--)
typedef long long ll;
typedef unsigned long long ull;

int main()
{
	ll N;
	ll div;

	cin >> N;

	for (ll i = 1; i * i <= N; i++) {
		if (N % i == 0) div = N / i;
	}

	cout << (int)log10(div) + 1 << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:22: error: 'log10' was not declared in this scope
   32 |         cout << (int)log10(div) + 1 << endl;
      |                      ^~~~~
Language: C++

import sys
input = sys.stdin.readline

def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5) + 1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)
    return divisors

def main():
    N = int(input())
    a = make_divisors(N)
    a.sort()
    ans = 10
    for i in a:
        ans = min(ans, len(str(max(i, N/i))))
    
    print(ans)

if __name__ == '__main__':
    main()

Compiler output:
a.cc:23:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   23 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int main(void){
  long n;
  int a,s=0;
  cin >> n;
  a=(int)sqrt(n);
  while (n%a!=0) a--;
  n/=a;
  while (n>0){
    s++;
    n/=10;
  }
  cout << s << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:10: error: 'sqrt' was not declared in this scope
    8 |   a=(int)sqrt(n);
      |          ^~~~
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int main(void){
  long n
  int a,s=0;
  cin >> n;
  a=(int)sqrt(n);
  while (n%a!=0) a--;
  n/=a;
  while (n>0){
    s++;
    n/=10;
  }
  cout << s << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: expected initializer before 'int'
    6 |   int a,s=0;
      |   ^~~
a.cc:7:10: error: 'n' was not declared in this scope
    7 |   cin >> n;
      |          ^
a.cc:8:3: error: 'a' was not declared in this scope
    8 |   a=(int)sqrt(n);
      |   ^
a.cc:8:10: error: 'sqrt' was not declared in this scope
    8 |   a=(int)sqrt(n);
      |          ^~~~
a.cc:12:5: error: 's' was not declared in this scope
   12 |     s++;
      |     ^
a.cc:15:11: error: 's' was not declared in this scope
   15 |   cout << s << endl;
      |           ^
Language: C++

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

signed main() {
  int n;
  cin >> n;
  for(int i = sqrt(n); ; i--) {
    if(n % i == 0) {
      cout << int(log10(n / i)) + 1 << endl;
      return 0;
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:13: error: expected primary-expression before 'long'
    2 | #define int long long
      |             ^~~~
a.cc:10:15: note: in expansion of macro 'int'
   10 |       cout << int(log10(n / i)) + 1 << endl;
      |               ^~~
Language: C++

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


int main(){
  double a;
  
  cin >> a;
  double b,c;
  
   a =b*c;
 double d == 10000000;
    for (int i= double ceil(double sqrt(double a)) ;i>=1;i--){
         
         if(a%i == 0 && a/i%i == 0){
           
           d = min(d,abs(i-a/i));
         }
      
      cout << int log10(double d) << endl;
      ]
       
           
           
           
      
  

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: expected initializer before '==' token
   13 |  double d == 10000000;
      |           ^~
a.cc:14:17: error: expected primary-expression before 'double'
   14 |     for (int i= double ceil(double sqrt(double a)) ;i>=1;i--){
      |                 ^~~~~~
a.cc:16:14: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   16 |          if(a%i == 0 && a/i%i == 0){
      |             ~^~
      |             | |
      |             | int
      |             double
a.cc:16:28: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   16 |          if(a%i == 0 && a/i%i == 0){
      |                         ~~~^~
      |                          |  |
      |                          |  int
      |                          double
a.cc:18:12: error: 'd' was not declared in this scope
   18 |            d = min(d,abs(i-a/i));
      |            ^
a.cc:21:15: error: expected primary-expression before 'int'
   21 |       cout << int log10(double d) << endl;
      |               ^~~
a.cc:22:7: error: expected primary-expression before ']' token
   22 |       ]
      |       ^
a.cc:22:8: error: expected '}' at end of input
   22 |       ]
      |        ^
a.cc:14:62: note: to match this '{'
   14 |     for (int i= double ceil(double sqrt(double a)) ;i>=1;i--){
      |                                                              ^
a.cc:22:8: error: expected '}' at end of input
   22 |       ]
      |        ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

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

int GetDigit(long long int num){
    int digit=0;
    while(num!=0){
        num /= 10;
        digit++;
    }
    return digit;
}

int main()
{
        long long int N;
        cin >> N;
        int a = 1;
        for(long long int i=2; i*i<=N; i++){
                if(N%i==0){
                        a = i;
                }

        }
        int b = N/a;
        int a_keta = GetDigit(a);
        int b_keta = GetDigit(b);
        cout << max(a_keta, b_keta);


}
~       

Compiler output:
a.cc:32:2: error: expected class-name at end of input
   32 | ~
      |  ^
Language: C++

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

ll inf = 1e18L + 5;

ll dig(ll x)
{
    ll cnt = 0;
    while (x) {
        cnt++;
        x /= 10;
    }

    return cnt;
}

fnc(ll N)
{
    ll ans = inf;
    for (ll i = 1; i <= sqrt(N); i++) {
        if (N % i == 0) {
            ll a = i;
            ll b = N / i;

            ans = min(ans, max(dig(a), dig(b)));
        }
    }

    return ans;
}

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

    cout << fnc(N);
}


Compiler output:
a.cc:18:1: error: ISO C++ forbids declaration of 'fnc' with no type [-fpermissive]
   18 | fnc(ll N)
      | ^~~
Language: C++

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

int int_len(int n) {
  int s=0;
  while(n!=0) s++, n/=10;
  return s;
}

int int_sum(long long int n) {
  int m=0,s=0,a=n;
  while(a!=0) s++, a/=10;
  for(int i=s-1;i>=0;i--) m+=n/((int)pow(10,i))-(n/((int)pow(10,i+1)))*10;
  return m;
}


int vec_sum(vector<int> v){
  int n=0;
  for(int i=0;i<v.size();i++) n+=v[i];
  return n;
}
///////////////////////////
int main() {
  long long int a=0,b=0,c=0,d=0,n=0,count=0,ans=0;
  string s;
  cin>>n;
  for(long long int i=1;i<=sqrt(n);i++){
    if(n%i==0){
      ans=min(ans,max(int_sum(i),int_sum(n/i)));
    }
  }
  
  cout<<ans<<endl;
  return 0;
}
///////////////////////////

Compiler output:
a.cc: In function 'int main()':
a.cc:31:14: error: no matching function for call to 'min(long long int&, const int&)'
   31 |       ans=min(ans,max(int_sum(i),int_sum(n/i)));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:31:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |       ans=min(ans,max(int_sum(i),int_sum(n/i)));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:31:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |       ans=min(ans,max(int_sum(i),int_sum(n/i)));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

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

int int_len(int n) {
  int s=0;
  while(n!=0) s++, n/=10;
  return s;
}

int int_sum(int n) {
  int m=0,s=0,a=n;
  while(a!=0) s++, a/=10;
  for(int i=s-1;i>=0;i--) m+=n/((int)pow(10,i))-(n/((int)pow(10,i+1)))*10;
  return m;
}


int vec_sum(vector<int> v){
  int n=0;
  for(int i=0;i<v.size();i++) n+=v[i];
  return n;
}
///////////////////////////
int main() {
  long long int a=0,b=0,c=0,d=0,n=0,count=0,ans=0;
  string s;
  cin>>n;
  for(long long int i=1;i<=sqrt(n);i++){
    if(n%i==0){
      ans=min(ans,max(int_sum(i),int_sum(n/i)));
    }
  }
  
  cout<<ans<<endl;
  return 0;
}
///////////////////////////

Compiler output:
a.cc: In function 'int main()':
a.cc:31:14: error: no matching function for call to 'min(long long int&, const int&)'
   31 |       ans=min(ans,max(int_sum(i),int_sum(n/i)));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:31:14: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |       ans=min(ans,max(int_sum(i),int_sum(n/i)));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:31:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |       ans=min(ans,max(int_sum(i),int_sum(n/i)));
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

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

int int_len(int n) {
  int s=0;
  while(n!=0) s++, n/=10;
  return s;
}

int int_sum(int n) {
  int m=0,s=0,a=n;
  while(a!=0) s++, a/=10;
  for(int i=s-1;i>=0;i--) m+=n/((int)pow(10,i))-(n/((int)pow(10,i+1)))*10;
  return m;
}


int vec_sum(vector<int> v){
  int n=0;
  for(int i=0;i<v.size();i++) n+=v[i];
  return n;
}
///////////////////////////
int main() {
  long long int a=0,b=0,c=0,d=0,n=0,count=0,ans=0;
  string s;
  cin>>n;
  for(int i=1;i<=sqrt(n);i++){
    if(n%i==0){
      ans=min(ans,max(i,n/i));
    }
  }
  
  cout<<ans<<endl;
  return 0;
}
///////////////////////////

Compiler output:
a.cc: In function 'int main()':
a.cc:31:22: error: no matching function for call to 'max(int&, long long int)'
   31 |       ans=min(ans,max(i,n/i));
      |                   ~~~^~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:31:22: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   31 |       ans=min(ans,max(i,n/i));
      |                   ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:31:22: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   31 |       ans=min(ans,max(i,n/i));
      |                   ~~~^~~~~~~
Language: Java

#include<iostream>
#include <math.h>
using namespace std;
int main(){
    long long n;
    cin >> n;

    int ans = 10;
    for(long long i=1; i<=sqrt(n); i++){
        long long j = n / i;
        if(n == i*j){
            int f = max((int)log10(i)+1, (int)log10(j)+1);
            ans = min(ans, f);
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
Main.java:1: error: illegal character: '#'
#include<iostream>
^
Main.java:2: error: illegal character: '#'
#include <math.h>
^
Main.java:5: error: not a statement
    long long n;
    ^
Main.java:6: error: not a statement
    cin >> n;
        ^
Main.java:9: error: not a statement
    for(long long i=1; i<=sqrt(n); i++){
        ^
Main.java:9: error: not a statement
    for(long long i=1; i<=sqrt(n); i++){
                        ^
Main.java:10: error: not a statement
        long long j = n / i;
        ^
Main.java:16: error: not a statement
    cout << ans << endl;
                ^
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
  (use --enable-preview to enable unnamed classes)
Main.java:5: error: ';' expected
    long long n;
        ^
Main.java:9: error: ';' expected
    for(long long i=1; i<=sqrt(n); i++){
            ^
Main.java:9: error: '.class' expected
    for(long long i=1; i<=sqrt(n); i++){
                  ^
Main.java:9: error: ')' expected
    for(long long i=1; i<=sqrt(n); i++){
                     ^
Main.java:9: error: ';' expected
    for(long long i=1; i<=sqrt(n); i++){
                                      ^
Main.java:10: error: ';' expected
        long long j = n / i;
            ^
15 errors
Language: C++

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

int func(long long n) {
	int digits = 0;
	while(n > 0) {
		n /= 10;
		digits++;
	}
	return digits;
}

int main(void) {
	long long i,j;
	long long n;
	cin >> n;
	long long ans = (1<<29);
	for (i = 1; i*i <= n; i++) {
		if (n % i == 0) {
			j = n /i;
			ans = min(ans, func(j));
		}
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:34: error: no matching function for call to 'min(long long int&, int)'
   21 |                         ans = min(ans, func(j));
      |                               ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:21:34: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   21 |                         ans = min(ans, func(j));
      |                               ~~~^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:21:34: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   21 |                         ans = min(ans, func(j));
      |                               ~~~^~~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<cmath>
#include<cstdlib>
#include<tuple>
#define int long long
using namespace std;
int kt(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
 }
signed main() {
 	int N;
 	cin >> N;
 	int answer = 100;
 	for(int i = 1;i * i <= N;i++) {
 		if(N % i == 0) {
 			int A = N / i;
 			int count=0;
              count=kt(A);
 			}
 			answer = min(answer,count);
 		}
 	}
 	cout << answer << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:37: error: no matching function for call to 'min(long long int&, <unresolved overloaded function type>)'
   26 |                         answer = min(answer,count);
      |                                  ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'constexpr const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = long long int]'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:36: note:   no known conversion for argument 2 from '<unresolved overloaded function type>' to 'const long long int&'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |                         ~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:26:37: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   26 |                         answer = min(answer,count);
      |                                  ~~~^~~~~~~~~~~~~~
a.cc: At global scope:
a.cc:29:9: error: 'cout' does not name a type
   29 |         cout << answer << endl;
      |         ^~~~
a.cc:30:1: error: expected declaration before '}' token
   30 | }
      | ^
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<cmath>
#include<cstdlib>
#include<tuple>
#define int long long
using namespace std;
int kt(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
 }
signed main() {
 	int N;
 	cin >> N;
 	int answer = 100;
 	for(int i = 1;i * i <= N;i++) {
 		if(N % i == 0) {
 			int A = N / i;
 			int count =kt(A);
 			}
 			answer = min(answer,count);
 		}
 	}
 	cout << answer << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:37: error: no matching function for call to 'min(long long int&, <unresolved overloaded function type>)'
   25 |                         answer = min(answer,count);
      |                                  ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'constexpr const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = long long int]'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:36: note:   no known conversion for argument 2 from '<unresolved overloaded function type>' to 'const long long int&'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |                         ~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:25:37: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   25 |                         answer = min(answer,count);
      |                                  ~~~^~~~~~~~~~~~~~
a.cc: At global scope:
a.cc:28:9: error: 'cout' does not name a type
   28 |         cout << answer << endl;
      |         ^~~~
a.cc:29:1: error: expected declaration before '}' token
   29 | }
      | ^
Language: C++

#include <iostream>
#include <string>
#include <cstdlib>
#include <vector>
#include <array>
#include <map>
#include <set>
#include <algorithm>
#include <queue>
#include <stack>
#include <cmath>
#include <climits>
#include <cstdio>
#include <iomanip>
#include <utility>

using namespace std;
typedef long long int ll;

vector<ll> divisor(ll n);

ll GetDigit(ll num)
{
    return std::to_string(num).length();
}

int main(int argc, char const *argv[])
{
    ll n;
    cin >> n;

    vector<ll> v = divisor(n);

    ll _min = 100000;
    for (auto e : v)
    {
        ll temp = max(GetDigit(e), GetDigit(n / e));

        if (temp < _min)
        {
            _min = temp;
        }
    }

    cout << _min << endl;
}


Compiler output:
/usr/bin/ld: /tmp/ccxC9mx9.o: in function `main':
a.cc:(.text+0x79): undefined reference to `divisor(long long)'
collect2: error: ld returned 1 exit status