Language: C++

#include<iostream>
#include<string>
#include<set>
#include<utility>
#include<vector>
#include<map>
#include<algorithm>

using namespace std;

int main(){
	/*
	//数あて
	int n;
	cin >> n;
	int p[200][3];

	for(int i=0;i<n;i++)
	{
		cin >> p[i][0] >> p[i][1] >> p[i][2];
	}

	int _p;
	for(int k=0;k<3;k++)
	{
		for(int i=0;i<n;i++)
		{
			_p = p[i][k];
			for(int j=i+1;j<n;j++)
			{
				if(_p == p[j][k])
				{
					p[i][k] = 0;
					p[j][k] = 0;
				}
			}
		}
	}

	for(int i=0;i<n;i++)
	{
		cout << p[i][0] + p[i][1] + p[i][2] << endl;
	}
	*/

	/*
	//得点
	int ai,am,as,ae,bi,bm,bs,be;
	cin >> ai >> am >> as >> ae >> bi >> bm >> bs >> be;
	int answer=ai+am+as+ae;
	if(answer < bi+bm+bs+be)
	{
	/	answer=bi+bm+bs+be;
	}
	cout << answer << endl;
	*/
	
	//おつり
/*	int onum;
	while(true){
		int N;
		cin >> N;
		if(N == 0) break;
		onum=0;
		int oturi = 1000-N;
		if(oturi >= 500)
		{
			onum++;
			oturi -= 500;
		}
		while(oturi>=100)
		{
			onum++;
			oturi -= 100;
		}
		if(oturi >= 50)
		{
			onum++;
			oturi -= 50;
		}
		while(oturi>=10)
		{
			onum++;
			oturi -= 10;
		}
		if(oturi >= 5)
		{
			onum++;
			oturi -= 5;
		}
		while(oturi>=1)
		{
			onum++;
			oturi -= 1;
		}
		 cout << onum << endl;
	}
   */

	//レシート
	/*
	while(true){
		int N;
		cin >> N;
		if(N==0) break;
		int a[9];
		for(int i=0;i<9;i++){
			cin >> a[0];
		}

	}
	
	/*
	int N;
	int i = 0;
	while(i<N){
		i++;
	}
	for(int i=0; i<N; i++)
	*/
	/*
	int N;
	int x;
	set<int> a;
	cin >> N;
	for(int i=0; i<N; i++){
		cin >> x;
		a.insert(x);
	}
	cout << a.size() << endl;
	*/
	
	//投票
	int N,M;
	cin >> N >> M;
	int a;
	int A[1000];
	int B[1000];
	int X[1000][2];
	
	for(int i=0; i<N; i++){
		cin >> A[i];
		X[i][0] = i;
		X[i][1] = 0;
	}
	for(int j=0; j<M;j++){
		cin >> B[j];
	}
	for(int j=0; j<N; j++){
		for(int i=0; i<M; i++){
			if(A[i] < B[j]){
				X[i][1]++;
				break;
			}
		}
	}
	sort(X,X+N);
	reverse(X,X+N);
	cout << X[0][1] << endl;

	return 0;
}
/*
int max(int i,int j){
	if(i < j) i=j;
	return i;
}
*/


Compiler output:
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:7:
/usr/include/c++/14/bits/stl_algo.h: In instantiation of 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/14/bits/stl_algo.h:1817:25:   required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1817 |           std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
      |           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1908:31:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1908 |           std::__final_insertion_sort(__first, __last, __comp);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:4772:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = int (*)[2]]'
 4772 |       std::__sort(__first, __last, __gnu_cxx::__ops::__iter_less_iter());
      |       ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:157:6:   required from here
  157 |         sort(X,X+N);
      |         ~~~~^~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1780:17: error: array must be initialized with a brace-enclosed initializer
 1780 |                 __val = _GLIBCXX_MOVE(*__i);
      |                 ^~~~~
/usr/include/c++/14/bits/stl_algo.h:1782:24: error: invalid array assignment
 1782 |               *__first = _GLIBCXX_MOVE(__val);
      |                        ^
In file included from /usr/include/c++/14/bits/stl_algo.h:61:
/usr/include/c++/14/bits/stl_heap.h: In instantiation of 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/14/bits/stl_algo.h:1593:23:   required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1593 |       std::__make_heap(__first, __middle, __comp);
      |       ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1868:25:   required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1868 |       std::__heap_select(__first, __middle, __last, __comp);
      |       ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1884:27:   required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = int (*)[2]; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1884 |               std::__partial_sort(__first, __last, __last, __comp);
      |               ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1905:25:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1905 |           std::__introsort_loop(__first, __last,
      |           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 1906 |                                 std::__lg(__last - __first) * 2,
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 1907 |                                 __comp);
      |                                 ~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:4772:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = int (*)[2]]'
 4772 |       std::__sort(__first, __last, __gnu_cxx::__ops::__iter_less_iter());
      |       ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:157:6:   required from here
  157 |         sort(X,X+N);
      |         ~~~~^~~~~~~
/usr/include/c++/14/bits/stl_heap.h:355:22: error: array must be initialized with a brace-enclosed initializer
  355 |           _ValueType __value = _GLIBCXX_MOVE(*(__first + __parent));
      |                      ^~~~~~~
/usr/include/c++/14/bits/stl_heap.h: In instantiation of 'void std::__pop_heap(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/14/bits/stl_algo.h:1596:19:   required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1596 |           std::__pop_heap(__first, __middle, __i, __comp);
      |           ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1868:25:   required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1868 |       std::__heap_select(__first, __middle, __last, __comp);
      |       ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1884:27:   required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = int (*)[2]; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1884 |               std::__partial_sort(__first, __last, __last, __comp);
      |               ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1905:25:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int (*)[2]; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
 1905 |           std::__introsort_loop(__first, __last,
      |           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 1906 |                                 std::__lg(__last - __first) * 2,
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 1907 |                                 __comp);
      |                                 ~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:4772:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = int (*)[2]]'
 4772 |       std::__sort(__first, __last, __gnu_cxx::__ops::__iter_less_iter());
      |       ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:157:6:   required from here
  157 |         sort(X,X+N);
      |         ~~~~^~~~~~~
/usr/include/c++/14/bits/stl_heap.h:262:18: error: array must be initialized with a brace-enclosed initializer
  262 |       _ValueType __value = _GLIBCXX_MOVE(*__result);
      |                  ^~~~~~~
/usr/include/c++/14/bits/stl_heap.h:263:17: error: invalid array assignment
  263 |       *__result = _GLIBCXX_MOVE(*__first);
      |                 ^