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

#include<iostream>
#include <cstdlib>
#include<list>
#include<stdio.h>
#include<vector>
#include<algorithm>
#include<string>
#include<stack>
using namespace std;
int main() {
	//cout << 1 / 10 << endl;
	long long n; cin >> n; bool zz = false;
	long long mini=100000000;
	long long hh = sqrt(n) + 1;
	for (long long i =hh; i >=1; i--)
	{
		if (n%i==0) {long long count = 0,zz=0;
		long long d = n / i;
		while (d != 0) {
			//cout << d <<"d"<< endl;
				d = d / 10;
				count++;
			}
			long long z = i;
			while (z != 0) {
			//	cout << z << "s" << endl;
				z =z/10; zz++;
			}//cout << count << endl;
			cout << max(zz, count) << endl; zz = true; break;
		}
		if (zz) { break; }
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:24: error: 'sqrt' was not declared in this scope
   14 |         long long hh = sqrt(n) + 1;
      |                        ^~~~
Language: C++

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

                int main(void)
                {
                unsigned long long n, max, ans = 999999999;
cin >> n;
                max = sqrt((double)n);
                for (unsigned long long i = 1; i <= max; i++)
{
                if ((n % i) == 0 && ans > (log10(double(n / i)) + 1)) ans = log10(double(n / i)) + 1;
}
                cout << ans << endl;
                r\\eturn 0;
                }

Compiler output:
a.cc:17:18: error: stray '\' in program
   17 |                 r\\eturn 0;
      |                  ^
a.cc:17:19: error: stray '\' in program
   17 |                 r\\eturn 0;
      |                   ^
a.cc: In function 'int main()':
a.cc:17:17: error: 'r' was not declared in this scope
   17 |                 r\\eturn 0;
      |                 ^
Language: C++

    #include <iostream>
                #include <cstdlib>
                #include <cmath>
                using namespace std;
                 
                int main(void)
                {
                unsinged long long n, max, ans = 999999999;
cin >> n;
                max = sqrt((double)n);
                for (int i = 1; i <= max; i++)
{
                if ((n % i) == 0 && ans > (log10(n / i) + 1)) ans = log10(n / i) + 1;
}
                cout << ans << endl;
                return 0;
                }

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'unsinged' was not declared in this scope; did you mean 'unsigned'?
    8 |                 unsinged long long n, max, ans = 999999999;
      |                 ^~~~~~~~
      |                 unsigned
a.cc:9:8: error: 'n' was not declared in this scope; did you mean 'yn'?
    9 | cin >> n;
      |        ^
      |        yn
a.cc:11:35: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<='
   11 |                 for (int i = 1; i <= max; i++)
      |                                 ~~^~~~~~
a.cc:13:37: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |                 if ((n % i) == 0 && ans > (log10(n / i) + 1)) ans = log10(n / i) + 1;
      |                                     ^~~
      |                                     abs
a.cc:15:25: error: 'ans' was not declared in this scope; did you mean 'abs'?
   15 |                 cout << ans << endl;
      |                         ^~~
      |                         abs
Language: C++

    #include <iostream>
    #include <stdlib>
    #include <cmath>
    using namespace std;
     
    int main(void)
    {
    int n, a, b, max, ans = 9999999999999;
    max = sqrt((double)n);
    for (int i = 1; i <= max; i++)
    if (n % i) ans = min(ans, log10(n / i) + 1);
    cout << ans << endl;
    return 0;
    }

Compiler output:
a.cc:2:14: fatal error: stdlib: No such file or directory
    2 |     #include <stdlib>
      |              ^~~~~~~~
compilation terminated.
Language: C++

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

int main(void)
{
int n, a, b, max, ans = 9999999999999;
max = sqrt((double)n);
for (int i = 1; i <= MAX; i++)
if (n % i) ans = min(ans, log10(N / i) + 1);
cout << ans << endl;
return 0;
}

Compiler output:
a.cc:2:10: fatal error: stdlib: No such file or directory
    2 | #include <stdlib>
      |          ^~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<cstring>
#include<string>
#include<stack>
#include <queue>
#include<algorithm>
typedef long long int ll;
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define REP(i,n) for (int i=0;i<(n);i++)
#define EREP(i,n) for (int i=1;i<=(n);i++)
const ll MOD = 1000000007;
    ll N,sum=0,ans,c;
 
int main(){
    ios_base::sync_with_stdio(false);
    cin>>N;
    ll MAX=sqrt(double(N));
    EREP(i,MAX){
      if(N%i==0){
        ll A=max((ll)N,(ll)N/i);
        ans=min(log10(A)+1,ans);
      }
    }
    cout<<ans;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:16: error: no matching function for call to 'min(__gnu_cxx::__enable_if<true, double>::__type, ll&)'
   25 |         ans=min(log10(A)+1,ans);
      |             ~~~^~~~~~~~~~~~~~~~
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: '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:25:16: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'll' {aka 'long long int'})
   25 |         ans=min(log10(A)+1,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,
                 from a.cc:9:
/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:25:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'double'
   25 |         ans=min(log10(A)+1,ans);
      |             ~~~^~~~~~~~~~~~~~~~
Language: C++

    #include<iostream>
    #include<cmath>
     
    using namespace std;
     
    unsigned long long int N, l, m = 9999999999999;
     
    unsigned long long int ten(unsigned long long int ou);
     
    int main(){
    	for(unsigned long long int i ;i < sqrt(N); i++){
    		if((N % i)==0 ){
    			l = ten(N/i);
    			if(l < m) m = l;
    		}
    	}
    	cout << m;
    }
     
    unsigned long long int ten(unsigned long long int ou){
    	unsigned long long int i;
    	for(i = 1; ;i++){
    		ou /= 10;
    		if(in == 0) break;
    	}
    	return i;
    }

Compiler output:
a.cc: In function 'long long unsigned int ten(long long unsigned int)':
a.cc:24:20: error: 'in' was not declared in this scope; did you mean 'i'?
   24 |                 if(in == 0) break;
      |                    ^~
      |                    i
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>

unsigned long long int N, max= 0, l;

int main(){
	for(unsigned long long int i ;i < sqrt(N); i++){
		if(N % i==0 ){
			l = ten(N/i);
			if(l < max) max = l;
		}
	}
	cout << max;
}

int ten(unsigned long long int in){
	int i;
	for(i = 1; ;i++){
		in /= 10;
		if(in == 0) break;
	}
	return i;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:29: error: 'ten' was not declared in this scope; did you mean 'tan'?
   10 |                         l = ten(N/i);
      |                             ^~~
      |                             tan
a.cc:14:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   14 |         cout << max;
      |         ^~~~
      |         std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: Java

/* package whatever; // don't place package name! */

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

/* Name of the class has to be "Main" only if the class is public. */
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner sc = new Scanner(system.in);
		long test = sc.nextLong();
		long result = Long.MAX_VALUE;
		for(int i = 1; i < Math.sqrt(test); i++) {
			if(test % i == 0) {
				long digit = Math.max(i, test/i);
				result = Math.min(result, digit);
			}
		}
		String str = result+"";
		System.out.println(str.length());
	}
	
}

Compiler output:
Main.java:12: error: cannot find symbol
		Scanner sc = new Scanner(system.in);
		                         ^
  symbol:   variable system
  location: class Main
1 error
Language: C++

typedef vector<P> vp;
const int MX = 100005, INF = 1001001001;
const ll LINF = 1e18;
const double eps = 1e-10;

ll n;

int main(){
  cin >> n;
  ll ans;
  rrep(i, (int)sqrt(n)) if(n % i == 0) ans = n / i;
  int digit = 0;
  while(ans > 0){
    ans /= 10;
    digit++;
  }
  cout << digit << endl;
  return 0;
}


Compiler output:
a.cc:1:9: error: 'vector' does not name a type
    1 | typedef vector<P> vp;
      |         ^~~~~~
a.cc:3:7: error: 'll' does not name a type
    3 | const ll LINF = 1e18;
      |       ^~
a.cc:6:1: error: 'll' does not name a type
    6 | ll n;
      | ^~
a.cc: In function 'int main()':
a.cc:9:3: error: 'cin' was not declared in this scope
    9 |   cin >> n;
      |   ^~~
a.cc:9:10: error: 'n' was not declared in this scope
    9 |   cin >> n;
      |          ^
a.cc:10:3: error: 'll' was not declared in this scope
   10 |   ll ans;
      |   ^~
a.cc:11:8: error: 'i' was not declared in this scope
   11 |   rrep(i, (int)sqrt(n)) if(n % i == 0) ans = n / i;
      |        ^
a.cc:11:16: error: 'sqrt' was not declared in this scope
   11 |   rrep(i, (int)sqrt(n)) if(n % i == 0) ans = n / i;
      |                ^~~~
a.cc:11:3: error: 'rrep' was not declared in this scope
   11 |   rrep(i, (int)sqrt(n)) if(n % i == 0) ans = n / i;
      |   ^~~~
a.cc:13:9: error: 'ans' was not declared in this scope
   13 |   while(ans > 0){
      |         ^~~
a.cc:17:3: error: 'cout' was not declared in this scope
   17 |   cout << digit << endl;
      |   ^~~~
a.cc:17:20: error: 'endl' was not declared in this scope
   17 |   cout << digit << endl;
      |                    ^~~~
Language: C++

#include <iostream>
#include <math.h>
int main(){
  int N,ans,a,b;
  cin >> N;
  for(int i=0;i*i<=N;i++){
    if(N%i==0){
      a=i;
      b=N/i;
    }
  }
  if(a>b){
    ans=log10(a)+1;
  }else{
    ans=log10(b)+1;
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin >> N;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:17:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   17 |   cout << ans << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:17:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   17 |   cout << ans << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <iostream>
#include <cmath>

using namespace std;

int digits(int n){

  for(int i = 0; n < 1; i++) n /= 10;

  return i;

}

int min(int a, int b){
  return a < b ? a : b;
}

int main(void){

  int n;
  int ans = 6;

  cin >> n;

  for(int i = 1; i < sqrt(n); i++){
    
    if(n % i == 0) ans = min(ans, digits(n / i));

  }

  cout << ans << endl;

  return 0;

}

Compiler output:
a.cc: In function 'int digits(int)':
a.cc:10:10: error: 'i' was not declared in this scope
   10 |   return i;
      |          ^
Language: C++

int main(){

    long N = 0;
    cin >> N;
    double FN = double(N);
    int minVal = 1000000000;

    int harf = N/2 + 1;
    for(int i = 0; i < harf + 1; i++){
        float x = FN / i;
        long  ix = long(x);
        if(ix * i == N){
            int val = max(log10(ix) + 1, log10(i) + 1);
            minVal = val < minVal ? val : minVal;
        }
    }
    cout << minVal << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'cin' was not declared in this scope
    4 |     cin >> N;
      |     ^~~
a.cc:13:27: error: 'log10' was not declared in this scope
   13 |             int val = max(log10(ix) + 1, log10(i) + 1);
      |                           ^~~~~
a.cc:13:23: error: 'max' was not declared in this scope
   13 |             int val = max(log10(ix) + 1, log10(i) + 1);
      |                       ^~~
a.cc:17:5: error: 'cout' was not declared in this scope
   17 |     cout << minVal << endl;
      |     ^~~~
a.cc:17:23: error: 'endl' was not declared in this scope
   17 |     cout << minVal << endl;
      |                       ^~~~
Language: Java

import java.util.*;
class Main{
    public static void main(String[]args){
        Scanner cin=new Scanner(System.in);
        long input;
        long larger;
        ArrayList<int> value = new ArrayList<Integer>();
        input=cin.nextInt();
        for(long i=1;i*i<=input;i++){
            if(input%i==0){
                larger=(long)input/i;
                value.add(String.valueOf(larger).length());
            }
        }
        Collections.sort(value);
        System.out.println(value.get(0));
    }
}


Compiler output:
Main.java:7: error: unexpected type
        ArrayList<int> value = new ArrayList<Integer>();
                  ^
  required: reference
  found:    int
1 error
Language: Java

import java.util.*;
class Main{
    public static void main(String[]args){
        Scanner cin=new Scanner(System.in);
        int input;
        int mini;
        int minj;
        ArrayList<Integer> value = new ArrayList<Integer>();
        input=cin.nextInt();
        for(int i=1;i*i<=input;i++){
            for(int j=1;j*j<=input;j++){
                if(i*j==input){
                    mini = String.ValueOf(i).length();
                    minj = String.ValueOf(j).length();
                    if(mini>minj){
                        value.add(mini);
                    }else{
                        value.add(minj);
                    }
                }
            }
        }
        Collections.sort(value);
        System.out.println(value.get(0));
        }
    }


Compiler output:
Main.java:13: error: cannot find symbol
                    mini = String.ValueOf(i).length();
                                 ^
  symbol:   method ValueOf(int)
  location: class String
Main.java:14: error: cannot find symbol
                    minj = String.ValueOf(j).length();
                                 ^
  symbol:   method ValueOf(int)
  location: class String
2 errors
Language: C++

#include<vector>
using namespace std;

int num_dig(int64_t x) {
	int dig = 0;
	while (x > 0) { x /= 10; dig++; }
	return dig;
}

int main() {
	int64_t n;
	cin >> n;

	int ans = 11;
	for (int64_t i = 1; i < n/2; i++) {
		if (n % i == 0) {
			int tmp = max(num_dig(n / i), num_dig(i));
			if (ans > tmp) ans = tmp;
		}
	}

	cout << ans << endl;
}


Compiler output:
a.cc:4:13: error: 'int64_t' was not declared in this scope
    4 | int num_dig(int64_t x) {
      |             ^~~~~~~
a.cc:2:1: note: 'int64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
    1 | #include<vector>
  +++ |+#include <cstdint>
    2 | using namespace std;
a.cc: In function 'int main()':
a.cc:11:9: error: 'int64_t' was not declared in this scope
   11 |         int64_t n;
      |         ^~~~~~~
a.cc:11:9: note: 'int64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
a.cc:12:9: error: 'cin' was not declared in this scope
   12 |         cin >> n;
      |         ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<vector>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:12:16: error: 'n' was not declared in this scope
   12 |         cin >> n;
      |                ^
a.cc:15:21: error: expected ';' before 'i'
   15 |         for (int64_t i = 1; i < n/2; i++) {
      |                     ^~
      |                     ;
a.cc:15:29: error: 'i' was not declared in this scope
   15 |         for (int64_t i = 1; i < n/2; i++) {
      |                             ^
a.cc:17:52: error: 'num_dig' cannot be used as a function
   17 |                         int tmp = max(num_dig(n / i), num_dig(i));
      |                                                    ^
a.cc:17:62: error: 'num_dig' cannot be used as a function
   17 |                         int tmp = max(num_dig(n / i), num_dig(i));
      |                                                       ~~~~~~~^~~
a.cc:22:9: error: 'cout' was not declared in this scope
   22 |         cout << ans << endl;
      |         ^~~~
a.cc:22:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:22:24: error: 'endl' was not declared in this scope
   22 |         cout << ans << endl;
      |                        ^~~~
a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    1 | #include<vector>
  +++ |+#include <ostream>
    2 | using namespace std;
Language: C++

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

int CountDigit(ll num);

int main()
{
    ll N;

    cin >> N;

    int ans = CountDigit(N);
    for (ll A = 1LL; A * A =< N; A++)
    {
        if (N % A != 0) continue;
        int cur;
        ll B = N / A;
        cur  = max(CountDigit(A), CountDigit(B));
        if (cur < ans) ans = cur;
    }
    cout << ans << endl;

    return 0;
}

int CountDigit(ll num)
{
    int cnt = 0;
    while (num != 0)
    {
        num /= 10;
        cnt++;
    }

    return cnt;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:29: error: expected primary-expression before '<' token
   15 |     for (ll A = 1LL; A * A =< N; A++)
      |                             ^
Language: C++

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

int CountDigit(ll num);

int main()
{
    ll N;

    cin >> N;

    int ans = CountDigit(N);
    for (ll A = 1LL; A * A= < N; A++)
    {
        if (N % A != 0) continue;
        int cur;
        ll B = N / A;
        cur  = max(CountDigit(A), CountDigit(B));
        if (cur < ans) ans = cur;
    }
    cout << ans << endl;

    return 0;
}

int CountDigit(ll num)
{
    int cnt = 0;
    while (num != 0)
    {
        num /= 10;
        cnt++;
    }

    return cnt;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:29: error: expected primary-expression before '<' token
   15 |     for (ll A = 1LL; A * A= < N; A++)
      |                             ^
Language: C++

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

int CountDigit(ll num);

int main()
{
    ll N;
    int ans = CountDigit(N);

    cin >> N;
    for (ll A = 1LL; A * A < N; A++)
    {
            int cur;
            ll B = N / A;
            cur  = max(CountDigit(A), CountDigit(B));
            if (cur < ans) ans = cur;
        }
    }
    cout << ans << endl;

    return 0;
}

int CountDigit(ll num)
{
    int cnt = 0;
    while (num != 0)
    {
        num /= 10;
        cnt++;
    }

    return cnt;
}


Compiler output:
a.cc:22:5: error: 'cout' does not name a type
   22 |     cout << ans << endl;
      |     ^~~~
a.cc:24:5: error: expected unqualified-id before 'return'
   24 |     return 0;
      |     ^~~~~~
a.cc:25:1: error: expected declaration before '}' token
   25 | }
      | ^
Language: Java

import java.util.*;

public class DigitsinMultiplication {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s=new Scanner(System.in);
		long N=s.nextLong();
		int F=0;
	    String a,b;
	    int i=0;
	    int min=100;
	    
	    for(i=1;i*i<=N;i++){
	    	if(N%i!=0)continue;
	    	else{
	    	a=String.valueOf(i);
	    	b=String.valueOf(N/i);
	    	if(a.length()<=b.length())F=b.length();
	    	if(a.length()>b.length())F=a.length();
	    	if(min>F)min=F;
	    	}
	    }
	    
	    System.out.print(min);

	}

}

Compiler output:
Main.java:3: error: class DigitsinMultiplication is public, should be declared in a file named DigitsinMultiplication.java
public class DigitsinMultiplication {
       ^
1 error
Language: C++

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

int main(){
  long long A,B,C,N,X=0,MINI=10;
  cin >> N;
  B=N;
  for(long long A=1;A<max(N,100000);A++){
    if(N%A==0){
      B=C=N/A;
      while(C!=0){
        C/=10;
        X++;
      }
      if(MINI>X){
        MINI=X;
      }
      X=0;
    }
  }
  if(N==1){cout << 1 << endl;}
  else{cout << MINI << endl;}
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:26: error: no matching function for call to 'max(long long int&, int)'
    8 |   for(long long A=1;A<max(N,100000);A++){
      |                       ~~~^~~~~~~~~~
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:8:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
    8 |   for(long long A=1;A<max(N,100000);A++){
      |                       ~~~^~~~~~~~~~
/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:8:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
    8 |   for(long long A=1;A<max(N,100000);A++){
      |                       ~~~^~~~~~~~~~
Language: C++

import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		long n = sc.nextLong();
		int sq = (int)(Math.sqrt(n));
		int ans = 0, i;
		for(i = 1; i < sq; i++){
			ans = (int)(Math.log10(n / i)) + 1;
		}
		System.out.println(ans);
	}
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

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


int calc_digit(int n){
	stringstream ss;
	ss << n;
	return ss.str().size();
}
int main(void){
	long long n;cin >> n;
	int a=2,d=1;
	int res=1;
	while(true){
		if(a>=n) break;
		if(n%a==0){
			res=max(res,calc_digit(n/a));
			a = pow(10,++d);
		}
	}
	cout << res << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:29: error: 'pow' was not declared in this scope
   19 |                         a = pow(10,++d);
      |                             ^~~
Language: C++

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

// 正の数の桁数を取得
int GetDigit( const __int64 iNum )
{
	// 入力チェック
	if( iNum < 0 )
		return - 1;		// エラー
	else if( iNum == 0 )
		return 0;
	else if( iNum < 10 )
		return 1;
	else if( iNum < 100 )
		return 2;
	else if( iNum < 1000 )
		return 3;
	else if( iNum < 10000 )
		return 4;
	else if( iNum < 100000 )
		return 5;
	else if( iNum < 1000000 )
		return 6;
	else if( iNum < 10000000 )
		return 7;
	else if( iNum < 100000000 )
		return 8;
	else if( iNum < 1000000000 )
		return 9;
	else if( iNum < 10000000000 )
		return 10;
	else if( iNum < 100000000000 )
		return 11;
	else if( iNum < 1000000000000 )
		return 12;
	else if( iNum < 10000000000000 )
		return 13;
	else if( iNum < 100000000000000 )
		return 14;
	else if( iNum < 1000000000000000 )
		return 15;
	else if( iNum < 10000000000000000 )
		return 16;
	else if( iNum < 100000000000000000 )
		return 17;
	else if( iNum < 1000000000000000000 )
		return 18;
	else if( iNum < 1000000000000000000 )
		return 19;
	else
		return 20;
}

int main( int argc, char *argv[] )
{
__int64 i;
__int64 N;
double dblRoot;	// 平方根
__int64 iVal;	// 平方根以上の値である最小の約数

	// N を取得
	cin >> N;
	if( N < 1 || N > 10000000000 ) return 0;

	// 平方根
	dblRoot = sqrt( N );

	// Ti を取得
	iVal = 0;
	for( i = (int) dblRoot; i > 1; i-- )
	{
		if( N % i == 0 )
		{
			iVal = N / i;

			break;
		}
	}

	// 素数の場合
	if( iVal == 0 ) iVal = N;

	// 表示
	cout << GetDigit( iVal ) << endl;

	return 0;
}


Compiler output:
a.cc:5:21: error: '__int64' does not name a type; did you mean '__int64_t'?
    5 | int GetDigit( const __int64 iNum )
      |                     ^~~~~~~
      |                     __int64_t
a.cc: In function 'int main(int, char**)':
a.cc:56:1: error: '__int64' was not declared in this scope; did you mean '__ynf64'?
   56 | __int64 i;
      | ^~~~~~~
      | __ynf64
a.cc:57:8: error: expected ';' before 'N'
   57 | __int64 N;
      |        ^~
      |        ;
a.cc:59:8: error: expected ';' before 'iVal'
   59 | __int64 iVal;   // 平方根以上の値である最小の約数
      |        ^~~~~
      |        ;
a.cc:62:16: error: 'N' was not declared in this scope
   62 |         cin >> N;
      |                ^
a.cc:69:9: error: 'iVal' was not declared in this scope
   69 |         iVal = 0;
      |         ^~~~
a.cc:70:14: error: 'i' was not declared in this scope
   70 |         for( i = (int) dblRoot; i > 1; i-- )
      |              ^
Language: C++

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

int main(){
	long long n, ans = 1e9;
	cin >> n;
	for(long long a = 1; a * a <= n; a++) if(n % a == 0){
		ans = min(ans, to_string(n / a).size());
	}
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:26: error: no matching function for call to 'min(long long int&, std::__cxx11::basic_string<char>::size_type)'
    9 |                 ans = min(ans, to_string(n / a).size());
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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: '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:9:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
    9 |                 ans = min(ans, to_string(n / a).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
Language: C++

#include<iostream>

using namespace std;

int F(long long int a, long long int b);

int main(){
	long long int N;
	int max = INT_MAX;
	cin >> N;
	for(long long int i = 1; i <= sqrt((double)N); i++){
		if(N % i == 0){
			if(max > F(N / i, i)){
				max = F(N / i, i);
			}
		}
	}
	cout << max << endl;
	return 0;
}

int F(long long int a, long long int b){
	if(a >= b){
		return ((int)log10((double)a) + 1);
	}else{
		return ((int)log10((double)a) + 1);

	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: 'INT_MAX' was not declared in this scope
    9 |         int max = INT_MAX;
      |                   ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include<iostream>
  +++ |+#include <climits>
    2 | 
a.cc:11:39: error: 'sqrt' was not declared in this scope
   11 |         for(long long int i = 1; i <= sqrt((double)N); i++){
      |                                       ^~~~
a.cc: In function 'int F(long long int, long long int)':
a.cc:24:30: error: 'log10' was not declared in this scope
   24 |                 return ((int)log10((double)a) + 1);
      |                              ^~~~~
a.cc:26:30: error: 'log10' was not declared in this scope
   26 |                 return ((int)log10((double)a) + 1);
      |                              ^~~~~
Language: C++

#include<iostream>

using namespace std;

int F(long long int a, long long int b);

int main(){
	long long int N;
	int max = INT_MAX;
	cin >> N;
	for(long long int i = 1; i <= sqrt((double)N); i++){
		if(N % i == 0){
			if(max > F(N / i, i)){
				max = F(N / i, i);
			}
		}
	}
	cout << max << endl;
	return 0;
}

int F(long long int a, long long int b){
	if(a >= b){
		return (log10((double)a) + 1);
	}else{
		return (log10((double)a) + 1);

	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: 'INT_MAX' was not declared in this scope
    9 |         int max = INT_MAX;
      |                   ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include<iostream>
  +++ |+#include <climits>
    2 | 
a.cc:11:39: error: 'sqrt' was not declared in this scope
   11 |         for(long long int i = 1; i <= sqrt((double)N); i++){
      |                                       ^~~~
a.cc: In function 'int F(long long int, long long int)':
a.cc:24:25: error: 'log10' was not declared in this scope
   24 |                 return (log10((double)a) + 1);
      |                         ^~~~~
a.cc:26:25: error: 'log10' was not declared in this scope
   26 |                 return (log10((double)a) + 1);
      |                         ^~~~~
Language: Java

import java.util.Scanner;
public class ABC057C {
	public static void main(String[] args) {
		ABC057CSolve solve = new ABC057CSolve();
		solve.main();
	}
}

class ABC057CSolve {
	
	long N;
	
	ABC057CSolve() {
		Scanner cin = new Scanner(System.in);
		this.N = cin.nextLong();
	}
	
	void main() {
		long min = Long.MAX_VALUE / 2;
		if (N == 1) {
			System.out.println(1);
			return;
		}
		for (int i = 1; i <= N / 2; i++) {
			if (N % i == 0) {
				long a = i;
				long b = N / i;
				if (a > b) {
					break;
				}
				
				long f = F(a, b);
				min = Math.min(min, f);
			}
		}
		System.out.println(min);
	}
	
	int F(long a, long b) {
		int aCount = String.valueOf(a).length();
		int bCount = String.valueOf(b).length();
		return aCount > bCount ? aCount : bCount;
	}

}


Compiler output:
Main.java:2: error: class ABC057C is public, should be declared in a file named ABC057C.java
public class ABC057C {
       ^
1 error
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
import java.math.*;
 
public class Main {
	public static void main(String[] args)throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringBuilder sb = new StringBuilder();
		long n = Long.parseLong(br.readLine());
		int f = Integer.MAX_VALUE;
		for(long i = 100000; i > 0; i--){
			if(n%i==0){
				long a = n/i;
				int f = Math.min(f,Math.max(String.valueOf(a).length(),String.valueOf(i).length()));
			}
		}
		System.out.println(f);
	}
}

Compiler output:
Main.java:16: error: variable f is already defined in method main(String[])
				int f = Math.min(f,Math.max(String.valueOf(a).length(),String.valueOf(i).length()));
				    ^
1 error
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class ABC57C 
{
	public static void main(String[] args) throws IOException 
	{
		// TODO 自動生成されたメソッド・スタブ
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		long N = Long.parseLong(br.readLine());
		int i = 10000000;
		long O = 0;
		long T = 0;
		int o = 0;
		int t = 0;
		for(long l = 1; l < (long)Math.sqrt(N) + 10; l++)
		{
			if(N % l == 0)
			{
				O = l;
				T = N / l;
				o = (int) Math.log10(O) + 1;
				t = (int) Math.log10(T) + 1;
				if(i > (o > t ? o : t)) i = (o > t ? o : t);
			}
		}
		System.out.println(i);
	}
}


Compiler output:
Main.java:5: error: class ABC57C is public, should be declared in a file named ABC57C.java
public class ABC57C 
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n;
int main(void){
 cin >> n;
 int ans = 100;
 for(ll i=1;i*i<=n;i++){
  if (n%i==0) ans = min(ans, to_string(max(n, n/i)).size());
 }
 cout << ans << endl;
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:24: error: no matching function for call to 'min(int&, std::__cxx11::basic_string<char>::size_type)'
    9 |   if (n%i==0) ans = min(ans, to_string(max(n, n/i)).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:9:24: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
    9 |   if (n%i==0) ans = min(ans, to_string(max(n, n/i)).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:9:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    9 |   if (n%i==0) ans = min(ans, to_string(max(n, n/i)).size());
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <math.h>
#include <vector>
using namespace std;;
using ll=long long;

int cnt_digits(int N){
    int digits=0;

    while(N > 0){
        N/=10;
        digits++;
    }
    return digits;
}


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

    int ans=cnt_digits(N);
    
    for(ll A=1LL; A*A<=N; A++){
        if(N%A!=0) continue;
        const ll B=N/A;

        const int cur=max(cnt_digits(A_, cnt_digits(B)));

        if(ans>cur){
            ans=cur;
        }
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:38: error: 'A_' was not declared in this scope; did you mean 'A'?
   28 |         const int cur=max(cnt_digits(A_, cnt_digits(B)));
      |                                      ^~
      |                                      A
Language: Java

public class Main {
	
	public static int getDigitsNum(long x){
		return String.valueOf(x).length();
	}

	public static void main(String[] args) {
		
		long N;

		Scanner scanner = new Scanner(System.in);
		N = scanner.nextLong();
		scanner.close();
		
		long maxDivisor = (long)Math.sqrt(N);
		long divisor = 2;
		int minNum = getDigitsNum(N);
		int num;
	
		while(divisor <= maxDivisor){
			if(N % divisor == 0){
				num = Math.max(getDigitsNum(divisor),getDigitsNum(N / divisor));
				if(num < minNum){
					minNum = num;
				}
			}
			divisor++;
		}
		System.out.println(minNum);
	}

}


Compiler output:
Main.java:11: error: cannot find symbol
		Scanner scanner = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:11: error: cannot find symbol
		Scanner scanner = new Scanner(System.in);
		                      ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include <iostream>
#include <string>
#include <queue>
#include <stack>
#include <algorithm>
#include <list>
#include <vector>
#include <complex>
#include <utility>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <climits>
#include <bitset>
#include <ctime>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <cassert>
#include <cstddef>
#include <iomanip>
#include <numeric>
#include <tuple>
#include <sstream>
#include <fstream>
#include <chrono>
 
using namespace std;
#define REP(i, n) for (int (i) = 0; (i) < (n); (i)++)
#define FOR(i, a, b) for (int (i) = (a); (i) < (b); (i)++)
#define RREP(i, a) for(int (i) = (a) - 1; (i) >= 0; (i)--)
#define FORR(i, a, b) for(int (i) = (a) - 1; (i) >= (b); (i)--)
#define DEBUG(C) cerr << #C << " = " << C << endl;
using LL = long long;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<LL>;
using VVL = vector<VL>;
using VD = vector<double>;
using VVD = vector<VD>;
using PII = pair<int, int>;
using PDD = pair<double, double>;
using PLL = pair<LL, LL>;
using VPII = vector<PII>;
template<typename T> using VT = vector<T>;
#define ALL(a) begin((a)), end((a))
#define RALL(a) rbegin((a)), rend((a))
#define SORT(a) sort(ALL((a)))
#define RSORT(a) sort(RALL((a)))
#define REVERSE(a) reverse(ALL((a)))
#define MP make_pair
#define FORE(a, b) for (auto &&a : (b))
#define FIND(s, e) ((s).find(e) != (s).end())
#define EB emplace_back
template<typename T>inline bool chmax(T &a, T b){return (a < b ? a = b, true : false);}
template<typename T>inline bool chmin(T &a, T b){return (a > b ? a = b, true : false);}
 
const int INF = 1e9;
const int MOD = INF + 7;
const LL LLINF = 1e18;
const long double EPS = 1e-9;
 
LL N;
 
int f(LL a, LL b) {
	int ca = 0, cb = 0;
	do {
		++ca;
	} while (a /= 10);
	do {
		++cb;
	} while (b /= 10);
	return max(ca, cb);
}
 
int main() {
	cin >> N;
	int ans = INF;
	for (LL i = 1; i * i <= N; ++i) {
		if (N % i == 0) {
			chmin(ans, max(to_string(N / i).size(), to_string(i).size()));
		}
	}
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:83:30: error: no matching function for call to 'chmin(int&, const long unsigned int&)'
   83 |                         chmin(ans, max(to_string(N / i).size(), to_string(i).size()));
      |                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:58:33: note: candidate: 'template<class T> bool chmin(T&, T)'
   58 | template<typename T>inline bool chmin(T &a, T b){return (a > b ? a = b, true : false);}
      |                                 ^~~~~
a.cc:58:33: note:   template argument deduction/substitution failed:
a.cc:83:30: note:   deduced conflicting types for parameter 'T' ('int' and 'long unsigned int')
   83 |                         chmin(ans, max(to_string(N / i).size(), to_string(i).size()));
      |                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <cstdio>
#include <algorithm>
#include <iostream>
#include <vector>
#include <math.h>
#define INF (int)1e9
#define pb push_back
using namespace std;

int keta(long long int n){
  int i=1;
  while(n>9){
    i++;
    n/=10;
  }
  return i;
}

int main(void){
  long long int n,nn;
  cin>>n;
  long long int i;
  long long int maxn=sqrt(n)+1;

  int tmp,res;
  res=keta(n);
  for(i=2;i<=maxn;i++){
    if(n%i==0){
      a=i;
      b=n/i;
      tmp=max(keta(a),keta(b));
      if(tmp<res) res=tmp;
    }
  }
  cout<<res<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:7: error: 'a' was not declared in this scope
   29 |       a=i;
      |       ^
a.cc:30:7: error: 'b' was not declared in this scope
   30 |       b=n/i;
      |       ^
Language: Java

import java.util.*;
 
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		long n = sc.nextLong();
		double a=0;
		boolean warikire = false;

		for(int i=2; i<=Math.sqrt(n); i++){
			if( n%i == 0 ){
				a = i;
				warikire = true;
			}
		}

		if(warikire){
			System.out.println( keta(n/a) );
		}else{
			System.out.println( keta(n) );
		}
		return;
	}

	public static int keta( long a ){
		int ans = 1;
		while( a/10 != 0 ){
			a /= 10;
			ans++;
		}
		return ans;
	}
}

Compiler output:
Main.java:18: error: incompatible types: possible lossy conversion from double to long
			System.out.println( keta(n/a) );
			                          ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error
Language: C++

#include<stdio.h>
#include<math.h>
int main()
{
  int N;
  scanf("%d",&N);
  int A,B,i,least,f;
  for(A=1;A<=N;A++)
 {
    if(N%A)
    continue;
    else
    B=N/A;
    if(A>=B)
    {
      while(A/pow(10,i)>1)
      i++;
      f=(int)(A/pow(10,i);
    }
    else
    {
       while(B/pow(10,i)>1)
      i++;
      f=(int)(B/pow(10,i);
   }
    if(least>f)
    least=f;
  }
 printf("%d",least);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:26: error: expected ')' before ';' token
   18 |       f=(int)(A/pow(10,i);
      |              ~           ^
      |                          )
a.cc:24:26: error: expected ')' before ';' token
   24 |       f=(int)(B/pow(10,i);
      |              ~           ^
      |                          )
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<cstdlib>
int num(int x){
	char s[10];
	itoa(x,s,10);
	return strlen(s);
}
int F(int a,int b){
	if (num(a)>=num(b) ) return num(a);
	else return num(b);
}
using namespace std;
int main()
{
   int n;
   cin>>n;
   int minF=11;
   for(int i=1;i<=floor(sqrt(n)+0.5);i++)
   {
		if(n%i!=0) continue;
		else minF=min(minF,F(i,n/i));
   }
	cout<<minF<<endl;
   return 0;
}

Compiler output:
a.cc: In function 'int num(int)':
a.cc:8:9: error: 'itoa' was not declared in this scope
    8 |         itoa(x,s,10);
      |         ^~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstring>
int num(int x){
	char s[10];
	itoa(x,s,10);
	return strlen(s);
}
int F(int a,int b){
	if (num(a)>=num(b) ) return num(a);
	else return num(b);
}
using namespace std;
int main()
{
   int n;
   cin>>n;
   int minF=11;
   for(int i=1;i<=floor(sqrt(n)+0.5);i++)
   {
		if(n%i!=0) continue;
		else minF=min(minF,F(i,n/i));
   }
	cout<<minF<<endl;
   return 0;
}

Compiler output:
a.cc: In function 'int num(int)':
a.cc:7:9: error: 'itoa' was not declared in this scope
    7 |         itoa(x,s,10);
      |         ^~~~
Language: C++

#include <iostream>
#include <algorithm>

using namespace std;
long N;

long GetDigit(long num) {
	return log10(num) + 1;
}

void solve() {
	long A = 1;
	long d = GetDigit(N);
	for (long i = 0; i < N; i++) {
		for (long j = 0; j < N; j++) {
			if (N % A == 0) {
				d = min(d, GetDigit(N / A));
			}
		}
	}
	cout << d << endl;
}




int main()
{
	// 入力
	cin >> N;
	solve();
    return 0;
}



Compiler output:
a.cc: In function 'long int GetDigit(long int)':
a.cc:8:16: error: 'log10' was not declared in this scope
    8 |         return log10(num) + 1;
      |                ^~~~~
Language: C++

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

int main(){
    int n,a,b,c,d;
    cin >> n;
    a = sqrt(n);
    if (n%2!=0){
        if (a%2==0){a+=1;}
        while (n%a!=0){a+=2;}
    }
    else{
        while (n%a!=0){a+=1;}
    }
    b = n/a;
    c=a.length
    d=b.length
    cout << max(c,d) << endl;
    return 0;
    
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:9: error: request for member 'length' in 'a', which is of non-class type 'int'
   17 |     c=a.length
      |         ^~~~~~
Language: C++

#include "stdafx.h"
#include <iostream>
#include <algorithm>

using namespace std;
long N;

long GetDigit(long num) {
	return log10(num) + 1;
}

void solve() {
	long A = 1;
	long d = GetDigit(N);
	for (long i = 0; i < N; i++) {
		for (long j = 0; j < N; j++) {
			if (N % A == 0) {
				d = min(d, GetDigit(N / A));
			}
		}
	}
	cout << d << endl;
}




int main()
{
	// 入力
	cin >> N;
	solve();
    return 0;
}


Compiler output:
a.cc:1:10: fatal error: stdafx.h: No such file or directory
    1 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.