Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <cstdlib>
#include <algorithm>
 
using namespace std;
 
int abss(vector<int> v, int b){
  int sum = 0;
  for(int i = 0; i < v.size(); i++){
    sum += abs(v.at(i) - (b + i + 1));
  }
  return sum;
}
 
int main(){
  int max = 30;
  int min = -30;
  int mid;
  int n;
  int t, sum = 0;
  
  vector<int> v;
  cin >> n;
  for(int i = 0; i < n; i++){
    cin >> abs(t - (i + 1)); v.push_back(t);
  }
  sort(v.begin(), v.end());
  for(i = 0; i < v.size(); i++){
    sum += v.at(i);
  }
  cout << sum / i << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:9: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |     ~~~ ^~ ~~~~~~~~~~~~~~~~
      |     |         |
      |     |         int
      |     std::istream {aka std::basic_istream<char>}
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:27:15: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'int&' to an rvalue of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'int'
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
/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:27:15: error: invalid conversion from 'int' to 'void*' [-fpermissive]
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
      |               |
      |               int
a.cc:27:15: error: cannot bind rvalue '(void*)((long int)abs((t - (i + 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:27:15: error: invalid conversion from 'int' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
      |               |
      |               int
/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:27:15: error: invalid conversion from 'int' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   27 |     cin >> abs(t - (i + 1)); v.push_back(t);
      |            ~~~^~~~~~~~~~~~~
      |               |