Language: C++

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

int main()
{
	int a,b,c,d,e,f;
	double x,y;
	cin>>a>>b>>c>>d>>e>>f
	
		-1000 <= a, b, c, d, e, f <= 1000;
		x= (c*e-b*f)/(a*e-b*d);
		y= (c*d-a*f)/(b*d-a*e);
		if(x == -0.00){x=0.00;}
		if(y == -0.00){y=0.00;}
		cout<<setprecision(3)<<fixed;
		cout<<x<<" "<<y<<endl;
	
	return 0;
}
	

Compiler output:
a.cc: In function 'int main()':
a.cc:9:27: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'int')
    9 |         cin>>a>>b>>c>>d>>e>>f
      |         ~~~~~~~~~~~~~~~~~~^~~
      |                        |
      |                        std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
   10 | 
      |                            
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ~~~~~      
      |                 |
      |                 int
In file included from /usr/include/c++/14/iostream:42,
                 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:11:17: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'int&' to an rvalue of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'int'
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
/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:11:17: error: invalid conversion from 'int' to 'void*' [-fpermissive]
    9 |         cin>>a>>b>>c>>d>>e>>f
      |                             ~
   10 | 
      |                  
   11 |                 -1000 <= a, b, c, d, e, f <= 1000;
      |                 ^~~~~
      |                 |
      |                 int
a.cc:11:17: error: cannot bind rvalue '(void*)((long int)(f - 1000))' to '