Language: C++

#include<iostream>
using namespace std;
int main(void){
    int i,j,n,m,p,a,b,e,f,g;
    cin>>n>>m>>p;
    e=p-0;
    int c[m],d[m];
    int station[n],visit[m];
    for(i=0;i<n;i++){
        station[i]=i;
    }
    for(i=0;i<m;i++){
        cin>>visit[i];
        visit[i]-=e;
    }
    for(i=0;i<m;i++){
        for(j=0;j<m;j++){
            if(visit[i]>visit[j]){
                int swap=visit[i];
                visit[i]=visit[j];
                visit[j]=swap;
            }
        }
    }
    a=visit[m-1];
    b=n-a+1;
    for(i=0;i<m-1;i++){
        c[i]=visit[i]*2+n-visit[i+1]+1;
        d[i]=visit[i]+2*(n-visit[i+1]+1);
    }
    for(i=0;i<m-1;i++){
        for(j=0;j<m;j++){
            if(c[i]>c[j]){
                swap=c[i];
                c[i]=c[j];
                c[j]=swap;
            }
            if(d[i]>d[j]){
                swap=d[i];
                d[i]=d[j];
                d[j]=swap;
            }
        }
    }
    f=c[0];
    g=d[0];
    if(a>b){
        a=b;
    }
    if(a>c){
        a=c;
    }
    if(a>d){
        a=d;
    }
    cout>>a>>endl;
    return 0;

    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:25: error: overloaded function with no contextual type information
   34 |                 swap=c[i];
      |                         ^
a.cc:36:22: error: cannot resolve overloaded function 'swap' based on conversion to type 'int'
   36 |                 c[j]=swap;
      |                      ^~~~
a.cc:39:25: error: overloaded function with no contextual type information
   39 |                 swap=d[i];
      |                         ^
a.cc:41:22: error: cannot resolve overloaded function 'swap' based on conversion to type 'int'
   41 |                 d[j]=swap;
      |                      ^~~~
a.cc:50:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   50 |     if(a>c){
      |        ~^~
a.cc:51:11: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   51 |         a=c;
      |           ^
      |           |
      |           int*
a.cc:53:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   53 |     if(a>d){
      |        ~^~
a.cc:54:11: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   54 |         a=d;
      |           ^
      |           |
      |           int*
a.cc:56:9: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int')
   56 |     cout>>a>>endl;
      |     ~~~~^~~
      |     |     |
      |     |     int
      |     std::ostream {aka std::basic_ostream<char>}
a.cc:56:9: note: candidate: 'operator>>(int, int)' (built-in)
   56 |     cout>>a>>endl;
      |     ~~~~^~~
a.cc:56:9: note:   no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
In file included from /usr/include/c++/14/string:55,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
  835 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:835:5: note:   template argument deduction/substitution failed:
a.cc:56:11: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   56 |     cout>>a>>endl;
      |           ^
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
                 from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:131:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(byte, _IntegerType)'
  131 |     operator>>(byte __b, _IntegerType __shift) noexcept
      |     ^~~~~~~~
/usr/include/c++/14/cstddef:131:5: note:   template argument deduction/substitution failed:
a.cc:56:5: note:   cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte'
   56 |     cout>>a>>endl;
      |     ^~~~
In file included from /usr/include/c++/14/istream:1109,
                 from /usr/include/c++/14/iostream:42:
/usr/include/c++/14/bits/istream.tcc:978:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
  978 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note:   template argument deduction/substitution failed:
a.cc:56:11: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   56 |     cout>>a>>endl;
      |           ^
/usr/include/c++/14/istream:849:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
  849 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/14/istream:849:5: note:   template argument deduction/substitution failed:
a.cc:56:11: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   56 |     cout>>a>>endl;
      |           ^
/usr/include/c++/14/istream:854:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
  854 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/14/istream:854:5: note:   template argument deduction/substitution failed:
a.cc:56:11: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   56 |     cout>>a>>endl;
      |           ^
/usr/include/c++/14/istream:896:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
  896 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/14/istream:896:5: note:   template argument deduction/substitution failed:
a.cc:56:11: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
   56 |     cout>>a>>endl;
      |           ^
/usr/include/c++/14/istream:939:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)'
  939 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/14/istream:939:5: note:   template argument deduction/substitution failed:
a.cc:56:11: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   56 |     cout>>a>>endl;
      |           ^
/usr/include/c++/14/istream:945:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)'
  945 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/14/istream:945:5: note:   template argument deduction/substitution failed:
a.cc:56:11: note:   'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
   56 |     cout>>a>>endl;
      |           ^
/usr/include/c++/14/istream:1099:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
 1099 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/14/istream:1099:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = int&]':
a.cc:56:11:   required from here
   56 |     cout>>a>>endl;
      |           ^
/usr/include/c++/14/istream:1099:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
 1099 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~