Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef __int128  ll;

ll counter(ll from,ll to,ll mod){
  return to/mod-from/mod+(from%mod==0);
}

int main(){
  ll  s;
  cin>>s;
  ll ten[19];
  ten[0]=1;
  for(int i=1;i<19;i++){
    ten[i]=ten[i-1]*10;
  }
  ll lb=1;
  ll ub=s+1;
  ll cnt=0;
  bool isloop=true;
  //lb-1madenis-1moji
  while(isloop){
    if(ub-lb<=1){
      isloop=false;
    }
    ll mid=(lb+ub)/2;
    //mid made kazoeru
    cnt=0;
    int size;
    for(int i=0;i<19;i++){
      if(mid<ten[i+1]){
	size=i;
	break;
      }
      //ten[i+1]-1 to ten[i]
      ll cnt3=counter(ten[i],ten[i+1]-1,3);
      ll cnt5=counter(ten[i],ten[i+1]-1,5);
      ll cnt15=counter(ten[i],ten[i+1]-1,15);
      ll non=cnt3+cnt5-cnt15;
      cnt+=(ten[i+1]-ten[i]-non)*(i+1)+(cnt3+cnt5)*4;
    }
    ll cnt3=counter(ten[size],mid,3);
    ll cnt5=counter(ten[size],mid,5);
    ll cnt15=counter(ten[size],mid,15);
    ll non=cnt3+cnt5-cnt15;
    cnt+=(mid-ten[size]+1-non)*(size+1)+(cnt3+cnt5)*4;
    if(cnt<=s){
      lb=mid;
    }
    else{
      ub=mid;
    }

  }
  
  string res="";
  for(ll i=lb;res.size()<100;i++){
    if(i%3==0 && i%5==0){
      res+="FizzBuzz";
    }
    else if(i%3==0){
      res+="Fizz";
    }
    else if(i%5==0){
      res+="Buzz";
    }
    else{
      res+=to_string(i);
    }
  }
  int hoge=0;
  int i=lb;
  if(i%3==0 || i%5==0){
    if(i%3==0){
      hoge+=4;
    }
    if(i%5==0){
      hoge+=4;
    }
  }
  else{
    hoge+=to_string(i).size();
  }
  
  cout<<res.substr(s-(cnt-hoge)-1,20)<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:6: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'll' {aka '__int128'})
   11 |   cin>>s;
      |   ~~~^~~
      |   |    |
      |   |    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:11:8: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'll' {aka '__int128'}
   11 |   cin>>s;
      |        ^
/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:11:8: error: invalid conversion from 'll' {aka '__int128'} to 'void*' [-fpermissive]
   11 |   cin>>s;
      |        ^
      |        |
      |        ll {aka __int128}
a.cc:11:8: error: cannot bind rvalue '(void*)((long int)s)' 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:11:8: 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]
   11 |   cin>>s;
      |        ^
      |        |
      |        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:11:8: 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]
   11 |   cin>>s;
      |        ^
      |        |
      |        ll {aka __int128}
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  133 |       operator>>(ios_base& (*__pf)(ios_base&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:133:7: note:   conversion of