Language: C++

#include<bits/stdc++.h>

using namespace std;

int N,M,i,j;
int x0[52],y0[52],x1[52],y1[52],a[52]={0};

int indexx(int a[],int M)
{  int temp=a[0],x;
   for(int i=0; i<M; i++) {
      if(temp>a[i]) {
         temp=a[i];
         x=i+1;
      }
   }
   if(temp==a[0]) return 1;
   else return x;
}
int main()
{
    cin>>N>>M;
    for(i=0;i<N;i++){
        cin>>x0[i]>>y0[i];
    }
    for(j=0;j<M;j++){
        cin>>x1[j]>>y1[j];
    }

    for(i=0;i<N;i++){
        for(j=0;j<M;j++){
          a[j]=abs(x0[i]-x1[j])+abs(y0[i]-y1[j]);
        }
        cout<<indexx(a,M)<<endl;
    }

    return 0;
}



Compiler output:
a.cc:6:17: error: 'int y0 [52]' redeclared as different kind of entity
    6 | int x0[52],y0[52],x1[52],y1[52],a[52]={0};
      |                 ^
In file included from /usr/include/features.h:523,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/c++config.h:683,
                 from /usr/include/c++/14/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:33,
                 from a.cc:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:256:1: note: previous declaration 'double y0(double)'
  256 | __MATHCALL (y0,, (_Mdouble_));
      | ^~~~~~~~~~
a.cc:6:31: error: 'int y1 [52]' redeclared as different kind of entity
    6 | int x0[52],y0[52],x1[52],y1[52],a[52]={0};
      |                               ^
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:257:1: note: previous declaration 'double y1(double)'
  257 | __MATHCALL (y1,, (_Mdouble_));
      | ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:23:25: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   23 |         cin>>x0[i]>>y0[i];
      |                         ^
a.cc:23:19: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'double(double) noexcept')
   23 |         cin>>x0[i]>>y0[i];
      |         ~~~~~~~~~~^~~~~~~
      |            |            |
      |            |            double(double) noexcept
      |            std::basic_istream<char>::__istream_type {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:
/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:23:25: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'double (*)(double) noexcept'
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
/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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'short int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(short int)(y0 + ((sizetype)i))' to 'short 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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'short unsigned int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(short unsigned int)(y0 + ((sizetype)i))' to 'short unsigned 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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(int)(y0 + ((sizetype)i))' to '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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'unsigned int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(unsigned int)(y0 + ((sizetype)i))' to 'unsigned 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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'long int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(long int)(y0 + ((sizetype)i))' to 'long int&'
/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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'long unsigned int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(long unsigned int)(y0 + ((sizetype)i))' to 'long unsigned int&'
/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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(long long int)(y0 + ((sizetype)i))' to 'long long int&'
/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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'long long unsigned int' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(long long unsigned int)(y0 + ((sizetype)i))' to 'long long unsigned int&'
/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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'void*' [-fpermissive]
   23 |         cin>>x0[i]>>y0[i];
      |                     ~~~~^
      |                         |
      |                         double (*)(double) noexcept
a.cc:23:25: error: cannot bind rvalue '(void*)(y0 + ((sizetype)i))' 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:23:25: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive