Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <functional>
using namespace std;

#include <math.h>
#include <iomanip>
#include <vector>
#include <queue>
#include <climits>
using Graph = vector<vector<int>>;
const double PI = 3.14159265358979323846;
#define int long long


signed main() {

	const int SIZE = 303000;

	int H, W, M, h[SIZE], w[SIZE];
	vector<vector<int>> site[SIZE][SIZE];
	vector<int> hcount[SIZE];
	vector<int> wcount[SIZE];
	vector<int> maxh, maxw;

	cin >> H >> W >> M;

	for (int i = 0; i < M; i++) {
		cin >> h[i] >> w[i];
	}

	int hmax = 0;
	int wmax = 0;

	for (int i = 0; i < M; i++) {
		site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
		hcount[h[i] - 1] = hcount[h[i] - 1] + 1;
		wcount[w[i] - 1] = wcount[w[i] - 1] + 1;
		if (hcount[h[i] - 1] > hmax) {
			hmax = hcount[h[i] - 1];
		}
		if (wcount[w[i] - 1] > wmax) {
			wmax = wcount[w[i] - 1];
		}
	}

	for (int i = 0; i < M; i++) {
		if (hcount[h[i] - 1] == hmax) {
			maxh.push_back(h[i] - 1);
		}
		if (wcount[w[i] - 1] == wmax) {
			maxw.push_back(w[i] - 1);
		}
	}

	int tmp1, tmp2;
	tmp1 = maxh.size();
	tmp2 = maxw.size();
	int flg = 1;

	for (int i = 0; i < tmp1; i++) {
		for (int j = 0; j < tmp2; j++) {
			if (site[maxh[i]][maxw[j]] == 0) {
				flg = 0;
			}
		}
	}

	int count = hmax + wmax - flg;

	cout << count <<endl;

	cin >> count;

	return 0;


}



Compiler output:
a.cc: In function 'int main()':
a.cc:37:69: error: no match for 'operator+' (operand types are 'std::vector<std::vector<long long int> >' and 'int')
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                            ~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~
      |                                                                   |   |
      |                                                                   |   int
      |                                                                   std::vector<std::vector<long long int> >
In file included from /usr/include/c++/14/string:48,
                 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/stl_iterator.h:627:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename reverse_iterator<_Iterator>::difference_type, const reverse_iterator<_Iterator>&)'
  627 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:627:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)'
 1798 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
In file included from /usr/include/c++/14/string:54:
/usr/include/c++/14/bits/basic_string.h:3598:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3598 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3598:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   'std::vector<std::vector<long long int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3616:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3616 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3616:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   mismatched types 'const _CharT*' and 'std::vector<std::vector<long long int> >'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3635:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3635 |     operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3635:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3652:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3652 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3652:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   'std::vector<std::vector<long long int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3670:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 3670 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3670:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   'std::vector<std::vector<long long int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3682:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3682 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3682:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   'std::vector<std::vector<long long int> >' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3689:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3689 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3689:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   'std::vector<std::vector<long long int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3696:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3696 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3696:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   'std::vector<std::vector<long long int> >' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3719:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3719 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3719:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   mismatched types 'const _CharT*' and 'std::vector<std::vector<long long int> >'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3726:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3726 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3726:5: note:   template argument deduction/substitution failed:
a.cc:37:71: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   37 |                 site[h[i] - 1][w[i] - 1] = site[h[i] - 1][w[i] - 1] + 1;
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3733:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)'
 3733 |