Language: C++

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

int main(){
  int L, R;
  cin >> L >> R;
  
  int count = 0;
  
  for (int x = L; x <= R; x++) {
    for(int y = x; y <= R; y++) {
      int residue1 = y % x;
      

      //2進数変換
      string binary(int bina){
        int ans = 0;
        for (int i = 0; bina>0 ; i++){
        ans = ans+(bina%2)*pow(10,i);
        bina = bina/2;
        }
        return ans;
      }
      
      int 2shinresidue1 = binary(residue1);
      string 2shiny = binary(y);
      string 2hinx = binary(x);
      
      vector<int> vec.(2shiny.size());
      
      for (int i = 0; i < 2shiny.size(); i++){
        if(2shiny.at(i) == 2shinx.at(i)) {
          cin >> 1 >> vec.at(i);
        }
        else{
          cin >> 0 >> vec.at(i);
        }
      }
      
      
      
      if (2shinresidue1 == ){
        count++
      }
  }
  
    
    cout << count % (1e9 + 7) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:30: error: a function-definition is not allowed here before '{' token
   16 |       string binary(int bina){
      |                              ^
a.cc:25:11: error: expected unqualified-id before numeric constant
   25 |       int 2shinresidue1 = binary(residue1);
      |           ^~~~~~~~~~~~~
a.cc:26:14: error: expected unqualified-id before numeric constant
   26 |       string 2shiny = binary(y);
      |              ^~~~~~
a.cc:27:14: error: expected unqualified-id before numeric constant
   27 |       string 2hinx = binary(x);
      |              ^~~~~
a.cc:29:22: error: expected initializer before '.' token
   29 |       vector<int> vec.(2shiny.size());
      |                      ^
a.cc:31:27: error: unable to find numeric literal operator 'operator""shiny.size'
   31 |       for (int i = 0; i < 2shiny.size(); i++){
      |                           ^~~~~~~~~~~
a.cc:32:12: error: unable to find numeric literal operator 'operator""shiny.at'
   32 |         if(2shiny.at(i) == 2shinx.at(i)) {
      |            ^~~~~~~~~
a.cc:32:28: error: unable to find numeric literal operator 'operator""shinx.at'
   32 |         if(2shiny.at(i) == 2shinx.at(i)) {
      |                            ^~~~~~~~~
a.cc:33:15: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
   33 |           cin >> 1 >> vec.at(i);
      |           ~~~ ^~ ~
      |           |      |
      |           |      int
      |           std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127,
                 from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'int&' to an rvalue of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  223 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:223:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  227 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:227:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'int'
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  328 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/14/istream:328:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: invalid conversion from 'int' to 'void*' [-fpermissive]
   33 |           cin >> 1 >> vec.at(i);
      |                  ^
      |                  |
      |                  int
a.cc:33:18: error: cannot bind rvalue '(void*)1' to 'void*&'
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:7: note:   conversion of argument 1 would be ill-formed:
a.cc:33:18: error: invalid conversion from 'int' to 'std::basic_istream<ch