Language: C++

#include<iostream>
#include<vector>

using namespace std;

#define P pair<int, int>;

const long long int N = 10e15;

int N, A, B, C, D, E;
int ans;

int main(){
  cin >> N;
  cin >> A;
  cin >> B;
  cin >> C;
  cin >> D;
  cin >> E;

  int min = 0;

  if (A > B) {
    min = B;
  } 
  if ((B > C) && (min > C)){
    min = C;
  }
  if ((C > D) && (min > D)){
    min = D;
  }
  if ((D > E) && (min > E)){
    min = E;
  }
  
  if (N % 2 == 1) {
    ans = N/2 + 1 + 5
  } else {
    ans = N/2 + 5
  }
  
  cout << ans << endl;

}

Compiler output:
a.cc:10:5: error: conflicting declaration 'int N'
   10 | int N, A, B, C, D, E;
      |     ^
a.cc:8:21: note: previous declaration as 'const long long int N'
    8 | const long long int N = 10e15;
      |                     ^
a.cc: In function 'int main()':
a.cc:14:7: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'const long long int')
   14 |   cin >> N;
      |   ~~~ ^~ ~
      |   |      |
      |   |      const long long 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:14:10: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'long long int'
   14 |   cin >> N;
      |          ^
/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:14:10: warning: overflow in conversion from 'long long int' to 'short int' changes value from '10000000000000000' to '0' [-Woverflow]
   14 |   cin >> N;
      |          ^
a.cc:14:10: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'long long int'
/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:14:10: warning: unsigned conversion from 'long long int' to 'short unsigned int' changes value from '10000000000000000' to '0' [-Woverflow]
   14 |   cin >> N;
      |          ^
a.cc:14:10: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'long long int'
/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:14:10: warning: overflow in conversion from 'long long int' to 'int' changes value from '10000000000000000' to '1874919424' [-Woverflow]
   14 |   cin >> N;
      |          ^
a.cc:14:10: error: cannot bind non-const lvalue reference of type 'int&' to a value of type 'long long int'
/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:14:10: warning: unsigned conversion from 'long long int' to 'unsigned int' changes value from '10000000000000000' to '1874919424' [-Woverflow]
   14 |   cin >> N;
      |          ^
a.cc:14:10: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'long long int'
/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:14:10: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'long long int'
   14 |   cin >> N;
      |          ^
/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:14:10: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'long long int'
   14 |   cin >> N;
      |          ^
/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:14:10: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'long long int'
   14 |   cin >> N;
      |          ^
/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:14:10: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'long long int'
   14 |   cin >> N;
      |          ^
/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:14:10: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'long long int'
   14 |   cin >> N;
      |          ^
/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:14:10: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'long long int'
   14 |   cin >> N;
      |          ^
/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:14:10: error: invalid conversion from 'long long int' to 'void*' [-fpermissive]
   14 |   cin >> N;
      |          ^
      |          |
      |          long long int
a.cc:14:10: error: cannot bind rvalue '(void*)((long long int)N)' 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:14:10: error: invalid conversion from 'long long int' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   14 |   cin >> N;
      |          ^
      |          |
      |          long long 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:14:10: error: invalid conversion from 'long long int' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   14 |   cin >> N;
      |          ^
      |          |
      |          long long int
/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