Language: C++

# include<bits/stdc++.h>
using namespace std;
int main(){
int n, m;
  cin >> n >> m;
  int L[m], R[m];
  for (int i = 0; i < m; i++){
  	cin >> L[i] >> R[i];
  }
  cout << max(0,min(R,R+m)-max(L,L+m)+1)<<'\n';

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:20: error: no matching function for call to 'min(int [m], int*)'
   10 |   cout << max(0,min(R,R+m)-max(L,L+m)+1)<<'\n';
      |                 ~~~^~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:10:20: note:   variable-sized array type 'int [m]' is not a valid template argument
   10 |   cout << max(0,min(R,R+m)-max(L,L+m)+1)<<'\n';
      |                 ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:10:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'int*'
   10 |   cout << max(0,min(R,R+m)-max(L,L+m)+1)<<'\n';
      |                 ~~~^~~~~~~
a.cc:10:31: error: no matching function for call to 'max(int [m], int*)'
   10 |   cout << max(0,min(R,R+m)-max(L,L+m)+1)<<'\n';
      |                            ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:10:31: note:   variable-sized array type 'int [m]' is not a valid template argument
   10 |   cout << max(0,min(R,R+m)-max(L,L+m)+1)<<'\n';
      |                            ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:10:31: note:   mismatched types 'std::initializer_list<_Tp>' and 'int*'
   10 |   cout << max(0,min(R,R+m)-max(L,L+m)+1)<<'\n';
      |                            ~~~^~~~~~~