Language: C++

using namespace std;
#include <bits/stdc++.h>
#define rep(i, s) for (int i = 0; i < s; ++i)
#define repr(i, n) for(int i = n; i >= 0; i--)
#define FOR(i, m, n) for(int i = m; i < n; i++)
#define all(v) (v.begin(), v.end())
#define EACH(i, s) for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i)
#define VEC(a, n) vector<int>a(n)
#define PQ(a) priority_queue<int>a
#define PQmin(a) priority_queue< int, :vector<int>, greater<int> >a
#define PAIR pair<int, int>
typedef long long ll;
typedef pair<ll, ll> l_l;
typedef pair<int, int> i_i;
typedef pair<string, int>s_i;
typedef pair<int, string>i_s;
#define EPS (1e-7)
#define INF (1e10)
#define PI (acos(-1))
const ll mod = 1000000007;
 
int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin>>n;
  vector<pair<ll, ll> > pairs(n);
  vector<pair<ll, ll> > copy(n);
  vector<pair<ll, ll> > pairsa(n-1);
  vector<pair<ll, ll> > copya(n-1);
  for(int i=0;i<n;i++){
        ll a;
        ll b;
        cin >> a >> b;
        pairs[i] = make_pair(a, b);
        copy[i] = make_pair(b,a);
    }
  sort(pairs.begin(),pairs.end());
  sort(copy.begin(),copy.end());
  for(int i=0;i<n-1;i++){
        pairsa[i].first = pairs[i+1].first-pairs[i].first;
        copya[i].second = copy[i+1].second-copy[i].second;
        pairsa[i].second = pairs[i+1].second-pairs[i].second;
        copya[i].first = copy[i+1].first-copy[i].first;      
    }
  sort(pairsa.begin(),pairsa.end());
  sort(copya.begin(),copya.end());
  int cnt1=1,cnt2=1;
  int ans=1;
  if(n==1){
    cout<<1<<endl;
    return 0;
  }
  rep(i,n-2){
    if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      cnt1++;
    else
      cnt1=1;
    if(copya[i+1].first==copya[i].first&&copya[i+1].second==copya[i].second&&copya[i]!=0)
      cnt2++;
    else
      cnt2=1;
    ans=max(ans,max(cnt1,cnt2));
  }
  cout<<1+(n-ans-1)<<endl;
  
    
  

}





Compiler output:
a.cc: In function 'int main()':
a.cc:55:91: error: no match for 'operator!=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} and 'int')
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
In file included from /usr/include/c++/14/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
                 from a.cc:2:
/usr/include/c++/14/bits/regex.h:1132:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1132 |     operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1132:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/regex.h:1212:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
 1212 |     operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1212:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/regex.h:1305:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1305 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1305:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/regex.h:1379:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1379 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1379:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/regex.h:1473:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1473 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1473:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/regex.h:1547:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1547 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1547:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/regex.h:1647:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1647 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1647:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/regex.h:2213:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator!=(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
 2213 |     operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2213:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1052 |     operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1052:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  455 |     operator!=(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:455:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  500 |     operator!=(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note:   template argument deduction/substitution failed:
a.cc:55:93: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   55 |     if(pairsa[i+1].first==pairsa[i].first&&pairsa[i+1].second==pairsa[i].second&&pairsa[i]!=0)
      |                                                                                             ^
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1686 |     operator!=(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note:   template argument deduction/substitution fail