Language: C++

#include <bits/stdc++.h>
#include <stdlib.h>
using namespace std;
typedef __int128 ll;
const ll mod=1000000007;
const ll BIG=1e15;

int main(){
    ll T1,T2,A1,A2,B1,B2;
    cin>>T1>>T2>>A1>>A2>>B1>>B2;
    ll S=T1*(A1-B1)+T2*(A2-B2);
    ll C=T1*(A1-B1);
    if(S==0) cout<<"infinity"<<endl;
    else if(S>0 && C>0) cout<<0<<endl;
    else if(S<0 && C<0) cout<<0<<endl;
    else{
        C=abs(C);
        S=abs(S);
        ll ans=C/S;
        ans*=2;
        if((C%S)>0) ans++;
        cout<<ans<<endl;
    }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'll' {aka '__int128'})
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |     ~~~^~~~
      |     |    |
      |     |    ll {aka __int128}
      |     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:10:10: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'll' {aka '__int128'}
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
/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:10:10: error: invalid conversion from 'll' {aka '__int128'} to 'void*' [-fpermissive]
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
      |          |
      |          ll {aka __int128}
a.cc:10:10: error: cannot bind rvalue '(void*)((long int)T1)' 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:10:10: error: invalid conversion from 'll' {aka '__int128'} to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
      |          |
      |          ll {aka __int128}
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' (near match)
  126 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:126:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:10: error: invalid conversion from 'll' {aka '__int128'} to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   10 |     cin>>T1>>T2>>A1>>A2>>B1>>B2;
      |          ^~
      |          |
      |          ll