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

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

int main(){
    string s;
    cin >> s;
    long long k;
    cin >> k;
    long sum = 0;long i = 0;int n;
    bool frag = false; 
    while(!frag and i < s.size(){
        if(s.at(i) != '1'){
            frag = true;
            n = s.at(i) - '0';
        }
        sum += 1;
        i++;
    }
    if(k <= sum -1){
        cout << 1<< endl;
    }else{
        cout << n << endl;
    }
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:33: error: expected ')' before '{' token
   11 |     while(!frag and i < s.size(){
      |          ~                      ^
      |                                 )
Language: C++

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

int main(){
   char s[11];
   cin >> s;
   frag = 1;
   cout << frag << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:4: error: 'frag' was not declared in this scope
    7 |    frag = 1;
      |    ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
    string s;
    ll k;
    cin >> s >> k;

    for(int i = 0; i < k && i < s.size(); i++)
    {
        if(s[i] == '1')
        {
            continue;
        }
        else
        {
            cout << s[i] << endl;
            return 0;
        }
    }
    cout << s[min(s.size(), k)-1] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:18: error: no matching function for call to 'min(std::__cxx11::basic_string<char>::size_type, ll&)'
   22 |     cout << s[min(s.size(), k)-1] << endl;
      |               ~~~^~~~~~~~~~~~~
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:22:18: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'll' {aka 'long long int'})
   22 |     cout << s[min(s.size(), k)-1] << endl;
      |               ~~~^~~~~~~~~~~~~
/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:22:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   22 |     cout << s[min(s.size(), k)-1] << endl;
      |               ~~~^~~~~~~~~~~~~
Language: C++

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String s = sc.next();
        long k = sc.nextLong();

        if (k == 1) {
            if (s.charAt(0) == '1') {
                System.out.println(1);
            }
        } else {
            if (s.length() > 1)
                System.out.println(s.charAt(1));
            else
                System.out.println(s.charAt(0));
        }
    }
}


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 <stdio.h>
#include <string.h>

char str[128];
long long k;

int main()
{
  char ans;
  long long length;
  
  scanf("%s %lld", str, &k);
  
  length = strlen(str);
  for (long long i = 0; i < length; i++) {
    if (i == k - 1) {
      ans = s[i];
    } else if (s[i] != '1') {
      ans = s[i];
      break;
    }
  }
  
  printf("%c\n", ans);
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:17:13: error: 's' undeclared (first use in this function)
   17 |       ans = s[i];
      |             ^
main.c:17:13: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

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

    string s;
    cin >> s;
    long long k;
    cin >> k;

    int n = s.size();
    for(long long i = 0; i < min(k, s.size()LL); i++){
        if(s[i] == '1');
        else{
            cout << s[i] << endl;
            return 0;
        }
    }
    cout << '1' << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:45: error: expected ')' before 'LL'
   14 |     for(long long i = 0; i < min(k, s.size()LL); i++){
      |                                 ~           ^~
      |                                             )
a.cc:14:33: error: no matching function for call to 'min(long long int&, std::__cxx11::basic_string<char>::size_type)'
   14 |     for(long long i = 0; i < min(k, s.size()LL); 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:14:33: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
   14 |     for(long long i = 0; i < min(k, s.size()LL); 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:14:33: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   14 |     for(long long i = 0; i < min(k, s.size()LL); i++){
      |                              ~~~^~~~~~~~~~~~~~
Language: C++

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

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

    string s;
    cin >> s;
    long long k;
    cin >> k;

    int n = s.size();
    for(long long i = 0; i < min(k, s.size()); i++){
        if(s[i] == '1');
        else{
            cout << s[i] << endl;
            return 0;
        }
    }
    cout << '1' << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:33: error: no matching function for call to 'min(long long int&, std::__cxx11::basic_string<char>::size_type)'
   14 |     for(long long i = 0; i < min(k, s.size()); 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:14:33: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
   14 |     for(long long i = 0; i < min(k, s.size()); 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:14:33: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   14 |     for(long long i = 0; i < min(k, s.size()); i++){
      |                              ~~~^~~~~~~~~~~~~
Language: C++

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

int main(){
    string S;
    long long K;
    cin >> S >> K;

    long long cnt = 0;
    int sums = 0;
    for(int i=0;i<S.size();i++){
        int m=0;
        cout << sums + 5000000000000000 * log10(S[i] - '0') << endl;
        if(sums + (5000000000000000 * log10(S[i] - '0')) > log10(K)){
            cout << S[i] << endl;
            break;
        }else{
            sums = 5000000000000000 * log10(S[i] - '0');
        }

    }


}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:43: error: 'log10' was not declared in this scope
   16 |         cout << sums + 5000000000000000 * log10(S[i] - '0') << endl;
      |                                           ^~~~~
Language: C

#include <stdio.h>

int main(int argc, char const *argv[])
{
	char c;
	while((c = getchar()) != EOF){
		if(c - 0x30 > 1){
          printf("%c\n",c);
          return 0;
	}
	printf("1\n");
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:1: error: expected declaration or statement at end of input
   13 | }
      | ^
Language: C

#include <stdio.h>

int main(int argc, char const *argv[])
{
	int s[100];
	long long k;
	char c;
	while((c = putchar()) != EOF){
		if(c - 0x30 != 1)	printf("%c\n",c);
	}
	scanf("%lld",k);
	printf("1\n");
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:20: error: too few arguments to function 'putchar'
    8 |         while((c = putchar()) != EOF){
      |                    ^~~~~~~
In file included from main.c:1:
/usr/include/stdio.h:618:12: note: declared here
  618 | extern int putchar (int __c);
      |            ^~~~~~~
Language: C++

#include<iostream>
#include<iomanip>
#include<algorithm>
#include<cmath>
#include<vector>
#include<string>
#include<bitset>
#include<queue>
#include<set>
#include<map>
using namespace std;
 
#define FOR(i,a,b) for (int i=(a);i<(b);++i)
#define ROF(i,b,a) for (int i=(b);i>(a);--i)
#define REP(i,n) FOR(i,0,n)
#define PER(i,n) ROF(i,n-1,-1)
 
typedef int i32;
typedef long long int i64;
typedef unsigned long long int ui64;
typedef float f32;
typedef double f64;
typedef long double f128;
typedef pair<int,int> Pi;
 
constexpr int INF = 1e9 + 7;
constexpr int dx[4] = {1,0,-1,0}, dy[4] = {0,1,0,-1};
 
int main() {
    string S; cin>>S;
    REP(i,S.size()) {
        if (S[i]!='1') {
            cout<<S[i]<<endl;
            break;
        }
        if (i==K) {
            cout<<S[i]<<endl;
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:16: error: 'K' was not declared in this scope
   36 |         if (i==K) {
      |                ^
Language: C++

#pragma GCC optimize(2)
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll k,cnt;
int main()
{
	char s[105];
	cin>>s;
	int len = strlen(s);
	for(int i = 0; i<len; i++) 
	{
		if(s[i] != '1') break;
		cnt++;
	}
	cin>>k;
	if(k <= cnt) printf("1\n");
	else printf("%c\n",s[cnt]);
	r

Compiler output:
a.cc: In function 'int main()':
a.cc:19:9: error: 'r' was not declared in this scope
   19 |         r
      |         ^
a.cc:19:10: error: expected '}' at end of input
   19 |         r
      |          ^
a.cc:7:1: note: to match this '{'
    7 | {
      | ^
Language: C++

#pragma GCC optimize(2)
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll k,cnt;
int main()
{
	char s[105];
	cin>>s;
	int len = s.length();
	for(int i = 0; i<len; i++) 
	{
		if(s[i] != '1') break;
		cnt++;
	}
	cin>>k;
	if(k <= cnt) printf("1\n");
	else printf("%c\n",s[cnt]);
	return 0 ;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: request for member 'length' in 's', which is of non-class type 'char [105]'
   10 |         int len = s.length();
      |                     ^~~~~~
Language: C++

#pragma GCC optimize(2)
#include <bits/stdc++.h>
using namespace std;
ll k,cnt;
int main()
{
	char s[105];
	cin>>s;
	int len = s.length();
	for(int i = 0; i<len; i++) 
	{
		if(s[i] != '1') break;
		cnt++;
	}
	cin>>k;
	if(k <= cnt) printf("1\n");
	else printf("%c\n",s[cnt]);
	return 0 ;
}

Compiler output:
a.cc:4:1: error: 'll' does not name a type
    4 | ll k,cnt;
      | ^~
a.cc: In function 'int main()':
a.cc:9:21: error: request for member 'length' in 's', which is of non-class type 'char [105]'
    9 |         int len = s.length();
      |                     ^~~~~~
a.cc:13:17: error: 'cnt' was not declared in this scope; did you mean 'int'?
   13 |                 cnt++;
      |                 ^~~
      |                 int
a.cc:15:14: error: 'k' was not declared in this scope
   15 |         cin>>k;
      |              ^
a.cc:16:17: error: 'cnt' was not declared in this scope; did you mean 'int'?
   16 |         if(k <= cnt) printf("1\n");
      |                 ^~~
      |                 int
Language: C++

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

int main(){
	string s;
	long long k;
	cin >> s >> k;

	for(int i=0; i<k; i++){
		if(s[i] != "1" || i==k-1){
			cout << s[i] << endl;
			break;
		}
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:25: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |                 if(s[i] != "1" || i==k-1){
Language: C++

#include<cstdio>
#include<iostream>
#include<cstdlib>
#include<cmath>
#include<vector>
#include<list>
#include<map>
#include<algorithm>

using namespace std;

int main()
{
    string s;
    long long k;
    cin >> s >> k;

    long long day = 5000 * 1000000000000;

    long long count = 0;
    for (long long i = 0; i < k; i++) {
        i3
157nt di = s[i] - '0';
        if (di > 1) {
            cout << di << endl;
            return 0;
        }
    }

    cout << 1 << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:9: error: 'i3' was not declared in this scope; did you mean 'i'?
   22 |         i3
      |         ^~
      |         i
a.cc:24:13: error: 'di' was not declared in this scope; did you mean 'i'?
   24 |         if (di > 1) {
      |             ^~
      |             i
Language: C++

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

int main() {
  string S;
  long long K;
  cin >> S >> K;

  for (int i = 0; i < min(S.size(), K); i++) {
    if (S[i] > '1') {
      cout << S[i] << endl;
      return 0;
    }
  }
  cout << 1 << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:26: error: no matching function for call to 'min(std::__cxx11::basic_string<char>::size_type, long long int&)'
   10 |   for (int i = 0; i < min(S.size(), K); 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:10:26: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'long long int')
   10 |   for (int i = 0; i < min(S.size(), K); 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:10:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
   10 |   for (int i = 0; i < min(S.size(), K); i++) {
      |                       ~~~^~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <string>

int main() {
	string s;
	long long k, c = 0,d = 1;
	cin >> s >> k;
	for (int i = 0; i < s.size();i++) {
		if (s[i] == '1')c++;
		else {
			d = s[i] - '0';
			break;
		}
	}
	if (k <= c) cout << 1 << endl;
	else cout << d << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'string' was not declared in this scope
    5 |         string s;
      |         ^~~~~~
a.cc:5:9: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included 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:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |         cin >> s >> k;
      |         ^~~
      |         std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:16: error: 's' was not declared in this scope
    7 |         cin >> s >> k;
      |                ^
a.cc:15:21: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |         if (k <= c) cout << 1 << 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:15:34: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   15 |         if (k <= c) cout << 1 << endl;
      |                                  ^~~~
      |                                  std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:16:14: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   16 |         else cout << d << 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:16:27: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   16 |         else cout << d << endl;
      |                           ^~~~
      |                           std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

//file_name:ABC106_B.cpp
#include <bits/stdc++.h>
#define fi first
#define se second
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rrep(i,n) for(int i = 1; i <= (n); ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define rng(a) a.begin(),a.end()
#define maxs(x,y) (x = max(x,y))
#define mins(x,y) (x = min(x,y))
#define limit(x,l,r) max(l,min(x,r))
#define lims(x,l,r) (x = max(l,min(x,r)))
#define isin(x,l,r) ((l) <= (x) && (x) < (r))
#define pb push_back
#define sz(x) (int)(x).size()
#define pcnt __builtin_popcountll
#define uni(x) x.erase(unique(rng(x)),x.end())
#define snuke srand((unsigned)clock()+(unsigned)time(NULL));
#define show(x) cout<<#x<<" = "<<x<<endl;
#define PQ(T) priority_queue<T,v(T),greater<T> >
#define bn(x) ((1<<x)-1)
#define dup(x,y) (((x)+(y)-1)/(y))
#define newline puts()
#define v(T) vector<T>
#define vv(T) v(v(T))
using namespace std;
typedef long long int ll;
typedef unsigned uint;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<P> vp;
inline int in() { int x; scanf("%d",&x); return x;}
template<typename T>inline istream& operator>>(istream&i,v(T)&v)
{rep(j,sz(v))i>>v[j];return i;}
template<typename T>string join(const v(T)&v)
{stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);}
template<typename T>inline ostream& operator<<(ostream&o,const v(T)&v)
{if(sz(v))o<<join(v);return o;}
template<typename T1,typename T2>inline istream& operator>>(istream&i,pair<T1,T2>&v)
{return i>>v.fi>>v.se;}
template<typename T1,typename T2>inline ostream& operator<<(ostream&o,const pair<T1,T2>&v)
{return o<<v.fi<<","<<v.se;}
template<typename T>inline ll suma(const v(T)& a) { ll res(0); for (auto&& x : a) res += x; return res;}
const double eps = 1e-10;
const ll LINF = 1001002003004005006ll;
const int INF = 1001001001;
#define dame { puts("-1"); return 0;}
#define yn {puts("YES");}else{puts("NO");}
const int MX = 200005;

    // 整数スキャン（複数）
    /*
    int x;
    scanf("%d",&x);
    int y;
    scanf("%d",&y);
    int z;
    scanf("%d",&y);

    // n個の整数のスキャン
    /*
    ll a[n] = {};
    rep(i,n){
        scanf("%lld",&a[i]);
    }
    */

    // 文字列スキャン
    /*
    string s;
    cin >> s;
    */


int main() {
    string s;
    cin >> s;
    ll n;
    scanf("%lld",&n);

    rep(i,n){
        if(s[i]==1){
            ;
        }else{
            cout << a[i] << endl;
            return 0;
        }
    }

    int ans = 1;

    cout << ans << endl;

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:89:21: error: 'a' was not declared in this scope
   89 |             cout << a[i] << endl;
      |                     ^
Language: C++

#include <iostream>
#include<vector>
#include<algorithm>
#include<string>
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 INF 1000000000
int main(){
cin.tie(0);
ios::sync_with_stdio(false);

	string s;
	cin>>s;
	int k;
	cin>>k;
	REP(i,K){
		if(s[i]!='1'){
			cout<<s[i]<<endl;
			break;
		}
	}
	return 0;
}
	

Compiler output:
a.cc: In function 'int main()':
a.cc:17:15: error: 'K' was not declared in this scope
   17 |         REP(i,K){
      |               ^
a.cc:6:32: note: in definition of macro 'REP'
    6 | #define REP(i,n) for(int i=0;i<n;i++)
      |                                ^
Language: C

#inlcude <stdio.h>
#include <string.h>
#inlcude <math.h>

int main(){
  char s[1000];
  long long k;

  scanf("%s%lld",s,&k);
  
  long long j=k;
  for(int i=0;i<=100;i++){
	if(j>pow(s[i],5000000000000)){
      	j-=pow(s[i],5000000000000);
    }else{
      printf("%c",s[i]);
      break;
    }
  }
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude <stdio.h>
      |  ^~~~~~~
      |  include
main.c:3:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    3 | #inlcude <math.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:9:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    9 |   scanf("%s%lld",s,&k);
      |   ^~~~~
main.c:3:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
    2 | #include <string.h>
  +++ |+#include <stdio.h>
    3 | #inlcude <math.h>
main.c:9:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    9 |   scanf("%s%lld",s,&k);
      |   ^~~~~
main.c:9:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:13:14: error: implicit declaration of function 'pow' [-Wimplicit-function-declaration]
   13 |         if(j>pow(s[i],5000000000000)){
      |              ^~~
main.c:3:1: note: include '<math.h>' or provide a declaration of 'pow'
    2 | #include <string.h>
  +++ |+#include <math.h>
    3 | #inlcude <math.h>
main.c:13:14: warning: incompatible implicit declaration of built-in function 'pow' [-Wbuiltin-declaration-mismatch]
   13 |         if(j>pow(s[i],5000000000000)){
      |              ^~~
main.c:13:14: note: include '<math.h>' or provide a declaration of 'pow'
main.c:16:7: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   16 |       printf("%c",s[i]);
      |       ^~~~~~
main.c:16:7: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:16:7: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:16:7: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: Java

public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        String S = scan.next();
        long K = Long.parseLong(scan.next());

        long count = 0;

        for(int i =0;i<S.length();i++) {

            if (S.charAt(i) != '1') {

                if (K < i + 1) {
                    System.out.println(1);
                    return;
                } else {
                    System.out.println(S.charAt(i));
                    return;
                }
            }
        }


        System.out.println(1);
    }
}

Compiler output:
Main.java:5: error: cannot find symbol
        Scanner scan = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:5: error: cannot find symbol
        Scanner scan = new Scanner(System.in);
                           ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include <iostream>
#include <string>
#include <algorithm> 
#include <cstdlib>
#include <vector>
using namespace std;
int main(){
    string s;
    cin >> s;
    long long k,count=0;
    cin >> k;
    for(i=0;i<s.size();i++){
        if(s[i]=='1'){
            count++;
        }else{
            if(k<=count){
                cout << 1 << endl;
                return 0;
            }else{
                cout << s[count] << endl;
                return 0;
            }
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'i' was not declared in this scope
   12 |     for(i=0;i<s.size();i++){
      |         ^
Language: C++

#include <iostrea\m>
#include <string>
#include <algorithm> 
#include <cstdlib>
#include <vector>
using namespace std;
int main(){
    string s;
    cin >> s;
    int k,count=0;
    cin >> k;
    for(int i=0;i<s.size();i++){
        if(s[i]=='1'){
            count++;
        }else{
            if(k<=count){
                cout << 1 << endl;
                return 0;
            }else{
                cout << s[count] << endl;
                return 0;
            }
        }
    }
}


Compiler output:
a.cc:1:10: fatal error: iostrea\m: No such file or directory
    1 | #include <iostrea\m>
      |          ^~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<math.h>
#include<map>
#include<iomanip>
#include<numeric>
#define rep(i,n) for(int i=0;i<n;++i)
#define mod 1000000007
using namespace std;
int main(){
    string S;   cin>>S;
    ll K;  cin>>K;
    rep(i,S.size()){
        if(S[i]=='2')if(K>=10e16)continue;
        else if(S[i]!='1') {
            cout<<S[i]<<endl;
            return 0;
        }
    }
    cout<<1<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'll' was not declared in this scope
   14 |     ll K;  cin>>K;
      |     ^~
a.cc:14:17: error: 'K' was not declared in this scope
   14 |     ll K;  cin>>K;
      |                 ^
Language: C++

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

using ll = long long;
using ld = long double;
using pii = pair<int, int>;

#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define all(x) (x).begin(),(x).end()
#define m0(x) memset(x,0,sizeof(x))

int dx4[4] = {1,0,-1,0}, dy4[4] = {0,1,0,-1};


int main()
{
    string s;
    int k;
    char ans='1';
    cin>>s>>k;
    
    for(int i = 0; i < min(k,s.size()); i++)
    {
        if(s[i]!='1')
        {
            ans=s[i];
            break;
        }
    }
    

    cout<<ans<<endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:27: error: no matching function for call to 'min(int&, std::__cxx11::basic_string<char>::size_type)'
   22 |     for(int i = 0; i < min(k,s.size()); 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:22:27: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
   22 |     for(int i = 0; i < min(k,s.size()); 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:22:27: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |     for(int i = 0; i < min(k,s.size()); i++)
      |                        ~~~^~~~~~~~~~~~
Language: C++

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

using ll = long long;
using ld = long double;
using pii = pair<int, int>;

#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define all(x) (x).begin(),(x).end()
#define m0(x) memset(x,0,sizeof(x))

int dx4[4] = {1,0,-1,0}, dy4[4] = {0,1,0,-1};


int main()
{
    string s;
    int k;
    char ans='1';
    cin>>s>>k;
    
    for(int i = 0; i < min(k,s.size(); i++)
    {
        if(s[i]!='1')
        {
            ans=s[i];
            break;
        }
    }
    

    cout<<ans<<endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:38: error: expected ')' before ';' token
   22 |     for(int i = 0; i < min(k,s.size(); i++)
      |                           ~          ^
      |                                      )
Language: C++

#include <iostream>
#include <cctype>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <utility>
#include <string>
#include <functional>
#include <cctype>
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <bitset>
#define pb push_back
#define YES cout<<"YES"<<endl
#define Yes cout<<"Yes"<<endl
#define NO cout<<"NO"<<endl
#define No cout<<"No"<<endl
#define INF (1<<10)
#define MOD 1000000007
using namespace std;

int main(void){
  string s;
  ll k;
  cin>>s>>k;
  if(k==1)cout<<s[0]<<endl;
  else{
    if(s[0]=='1')cout<<s[1]<<endl;
    else cout<<s[0]<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:3: error: 'll' was not declared in this scope
   30 |   ll k;
      |   ^~
a.cc:31:11: error: 'k' was not declared in this scope
   31 |   cin>>s>>k;
      |           ^
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(int i = 0;i < n;i++)
#define REPR(i, n) for(int i = n;i >= 0;i--)  
#define FOR(i, m, n) for(int i = m;i < n;i++)
#define FORR(i, m, n) for(int i = m;i >= n;i--)
#define SORT(v, n) sort(v, v+n);
#define VSORT(v) sort(v.begin(), v.end());
#define llong long long
#define pb(a) push_back(a)
#define INF 999999999
using namespace std;
typedef pair<int, int> P;
typedef pair<llong, llong> LP;
typedef pair<int, P> PP;
typedef pair<llong, LP> LPP;

int dy[]={0, 0, 1, -1};
int dx[]={1, -1, 0, 0};

int main(){
string s;
llong k;
cin>>s>>k;
int ans = 1;
  REP(i,k){
    if(s[i]!='1'){
      ans = atoi(s[i]);
      break;
    }
  }
  cout<<ans<<endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:17: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const char*' [-fpermissive]
   27 |       ans = atoi(s[i]);
      |             ~~~~^~~~~~
      |                 |
      |                 __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type {aka char}
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:1:
/usr/include/stdlib.h:105:30: note:   initializing argument 1 of 'int atoi(const char*)'
  105 | extern int atoi (const char *__nptr)
      |                  ~~~~~~~~~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(int i = 0;i < n;i++)
#define REPR(i, n) for(int i = n;i >= 0;i--)  
#define FOR(i, m, n) for(int i = m;i < n;i++)
#define FORR(i, m, n) for(int i = m;i >= n;i--)
#define SORT(v, n) sort(v, v+n);
#define VSORT(v) sort(v.begin(), v.end());
#define llong long long
#define pb(a) push_back(a)
#define INF 999999999
using namespace std;
typedef pair<int, int> P;
typedef pair<llong, llong> LP;
typedef pair<int, P> PP;
typedef pair<llong, LP> LPP;

int dy[]={0, 0, 1, -1};
int dx[]={1, -1, 0, 0};

int main(){
string s;
llong k;
cin>>s>>k;
int ans = 1;
  REP(i,k){
    if(s[i]!='1'){
      ans = stoi(s[i]);
      break;
    }
  }
  cout<<ans<<endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:17: error: no matching function for call to 'stoi(__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type&)'
   27 |       ans = stoi(s[i]);
      |             ~~~~^~~~~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:4164:3: note: candidate: 'int std::__cxx11::stoi(const std::string&, std::size_t*, int)'
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4164:22: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::string&' {aka 'const std::__cxx11::basic_string<char>&'}
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:4432:3: note: candidate: 'int std::__cxx11::stoi(const std::wstring&, std::size_t*, int)'
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4432:23: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const std::wstring&' {aka 'const std::__cxx11::basic_string<wchar_t>&'}
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~~^~~~~
Language: C++

#include<bits/stdc++.h>
#include<string>
#include<vector>
using namespace std;
string s;
int k;
int main(){
  cin >> s;
  cin >> k;
  string ans = '1';
  for(int i = 0; i < k; i++){
    if(s[i] != '1') {
      ans = s[i];
      break;
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: conversion from 'char' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   10 |   string ans = '1';
      |                ^~~
Language: C++

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

int main(){
  string S;
  long long int K,NowInd = 0;
  int ans = 0;

  cin >>S>>K;

  for(int i = 0;i < K;i++){
    if(ans[i] != '1')ans = i;
  }
  cout <<S[ans]<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:11: error: invalid types 'int[int]' for array subscript
   12 |     if(ans[i] != '1')ans = i;
      |           ^
Language: C++

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

int main(){ 
  string s;
  long k;
  cin >> s >> k;
  long i;
  for(i = 0;i < s.size();i++){
    if(s.at(i) != '1'){
      break;
    }
  }
  if(i > k){
    cout << '1' << endl;
  else{
    cout << s.at(i)  << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:3: error: expected '}' before 'else'
   16 |   else{
      |   ^~~~
a.cc:14:12: note: to match this '{'
   14 |   if(i > k){
      |            ^
Language: Java

import java.util.*;
class Main
{
    public static void main (String[] args)
    {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        long k = sc.nextLong();
        char ans = '1';
        char t;
        for(int i = 0; i < Math.mon(k, s.length()); i++){
            if((t = s.charAt(i)) != '1'){
                ans = t;
                break;
            }
        }
        System.out.println(ans);
    }
}

Compiler output:
Main.java:11: error: cannot find symbol
        for(int i = 0; i < Math.mon(k, s.length()); i++){
                               ^
  symbol:   method mon(long,int)
  location: class Math
1 error
Language: C++

#include <stdio.h>
 
int main(void) {
	char s[101]　={0};
	long long int k;
	int i,check;
	scanf("%s",&s);
	scanf("%d",&k);
 
	if(k<101){
		i=0;
		check=1;
		while(check==1){
			i++;
			check=s[i]-'0';
			if(s[i]==0){
				printf("1");
				return 0;
			}
		}
		printf("%d",check);
		return 0;
	}else{
		for(i=0;i<k;i++){
			check=s[i]-'0';
			if(check!=1){
				printf("%d",check);
				return 0;
			}
		}
	}
	printf("1");
	return 0;
}


Compiler output:
a.cc:4:20: error: extended character 　 is not valid in an identifier
    4 |         char s[101]　={0};
      |                    ^
a.cc: In function 'int main()':
a.cc:4:20: error: expected initializer before '\U00003000'
    4 |         char s[101]　={0};
      |                    ^~
a.cc:7:21: error: 's' was not declared in this scope
    7 |         scanf("%s",&s);
      |                     ^
Language: Java

import java.util.Scanner;

public class Main106 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String S = sc.nextLine();
        long K = sc.nextLong();

        int maxLength = (int) Math.min(S.length(), K);
        for (int i = 0; i < maxLength; i++) {
            if (S.charAt(i) != '1') {
                System.out.println(S.charAt(i));
                return;
            }
        }
        System.out.println(1);
    }
}


Compiler output:
Main.java:3: error: class Main106 is public, should be declared in a file named Main106.java
public class Main106 {
       ^
1 error
Language: C++

#include<iostream>
#include<algorithm>
#include<string>
#define fi(i,a,b) for(int i=a;i<=b;i++)
#define fd(i,a,b) for(int i=a;i>=b;i--)
using namespace std;

int main() {
	string S;
    long long K;
	cin >> S >> K;
	fi(i,0,min((long long)S.size(),K)-1){
		if(S[i]>='2')
            cout << S[i] << endl;
            return 0;
        }
	}
	cout << '1' << endl;
	return 0;
}

Compiler output:
a.cc:18:9: error: 'cout' does not name a type
   18 |         cout << '1' << endl;
      |         ^~~~
a.cc:19:9: error: expected unqualified-id before 'return'
   19 |         return 0;
      |         ^~~~~~
a.cc:20:1: error: expected declaration before '}' token
   20 | }
      | ^
Language: C

#include <iostream>
//文字列
#include <string>
//配列操作
#include <algorithm>
using namespace std;

//英語を漢字に翻訳
#define 中心() main()
#define 返 return
#define 入力(a) cin >> a
#define 出力(a) cout << a << endl
#define 如果(a) if(a)
#define 他 else
#define 長(a) a.size()

//再起
#define 再帰(s,t) for(整数 s = 0; s < 整数(t); s += 1)

typedef int 整;
typedef long long 整数;
typedef string 文字;

整数 小(整数 a, 整数 b){返 min(a,b);}

整 中心(){
    文字 m;
    整数 s;
    入力(m);
    入力(s);
    整数 t = 小(長(m), s);
    再帰(a,t){
        如果(m[a] >= '2'){
            出力(m[a]);
            返 0;
        }
    }
    
    出力('1');
    返 0;
}      
    




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

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        long k = getLong(sc.nextLine());

        for(long i = 0;i < s.length() && i < k ;i++){
            if(s.charAt(i) != '1'){
                System.out.println(s.charAt(i));
                return;
            }
        }
        System.out.println(s.charAt(1));
        sc.close();
    }
    static long getLong(String val) {
        return Long.parseLong(val);
    }
}


Compiler output:
Main.java:10: error: incompatible types: possible lossy conversion from long to int
            if(s.charAt(i) != '1'){
                        ^
Main.java:11: error: incompatible types: possible lossy conversion from long to int
                System.out.println(s.charAt(i));
                                            ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
2 errors
Language: C++

#include<bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
using namespace std;
int main(){
  	string s;
  	int k;
  	cin>>s>>k;
  	rep(i,min(s.size(),k)) if (s[i]!='1') {cout<<s[i]<<endl;return 0;}
	cout<<"1"<<endl;	
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: no matching function for call to 'min(std::__cxx11::basic_string<char>::size_type, int&)'
    8 |         rep(i,min(s.size(),k)) if (s[i]!='1') {cout<<s[i]<<endl;return 0;}
      |               ~~~^~~~~~~~~~~~
a.cc:2:44: note: in definition of macro 'rep'
    2 | #define rep(i, n) for(int i = 0; i < (int)(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:8:18: note:   deduced conflicting types for parameter 'const _Tp' ('long unsigned int' and 'int')
    8 |         rep(i,min(s.size(),k)) if (s[i]!='1') {cout<<s[i]<<endl;return 0;}
      |               ~~~^~~~~~~~~~~~
a.cc:2:44: note: in definition of macro 'rep'
    2 | #define rep(i, n) for(int i = 0; i < (int)(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:8:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'long unsigned int'
    8 |         rep(i,min(s.size(),k)) if (s[i]!='1') {cout<<s[i]<<endl;return 0;}
      |               ~~~^~~~~~~~~~~~
a.cc:2:44: note: in definition of macro 'rep'
    2 | #define rep(i, n) for(int i = 0; i < (int)(n); i++)
      |                                            ^
Language: C++

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

int main() {
    string text;
    int K;
    cin >> text >> K;
    if (text.size() >= K && text.at(K) == "1") {
        cout << 1 << endl;
    }
    else {
        int i = 0;
        while (true) {
            if (text.at(i) != "1") {
                cout << text.at(i) << endl;
                break;
            }

        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:40: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    8 |     if (text.size() >= K && text.at(K) == "1") {
      |                             ~~~~~~~~~~~^~~~~~
a.cc:14:28: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |             if (text.at(i) != "1") {
      |                 ~~~~~~~~~~~^~~~~~