Language: C++

#include <bits/stdc++.h>
#define WHOLE(v) (v).begin(), (v).end()
#define REV_WHOLE(v) (v).rbegin(), (v).rend()
using i64 = int64_t;
using namespace std;
template<typename T> using rev_priority_queue = priority_queue<T, vector<T>, greater<T>>;
template<class S, class T> void map_init(map<S, T> &m, S k, T v){if(!m.count(k)) m[k] = v;}
void R_YESNO(bool p) { cout << (p ? "YES" : "NO") << endl; }
void R_YesNo(bool p) { cout << (p ? "Yes" : "No") << endl; }
int main() {
    i64 K, X, Y, D;
    cin >> K >> X >> Y;
    D = abs(X) + abs(Y);
    if(D % 2 != 0 && K % 2 == 0) {
        cout << -1 << endl;
    } else if(D == 0) {
        cout << 0 << endl;
    } else if(D == K) {
        cout << 1 << endl;
    } else {
        if(K % 2 == 0) {
            cout << max(2ll, D / K) << endl;
        } else {
            if(D == K - 1 || D == K + 1) {
                cout << 2 << endl;
            } else {
                cout << max(2ll, D / K) << endl;
            }
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:24: error: no matching function for call to 'max(long long int, i64)'
   22 |             cout << max(2ll, D / K) << endl;
      |                     ~~~^~~~~~~~~~~~
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: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:22:24: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'i64' {aka 'long int'})
   22 |             cout << max(2ll, D / K) << endl;
      |                     ~~~^~~~~~~~~~~~
/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
In file included from /usr/include/c++/14/algorithm:61:
/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:22:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   22 |             cout << max(2ll, D / K) << endl;
      |                     ~~~^~~~~~~~~~~~
a.cc:27:28: error: no matching function for call to 'max(long long int, i64)'
   27 |                 cout << max(2ll, D / K) << endl;
      |                         ~~~^~~~~~~~~~~~
/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:27:28: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'i64' {aka 'long int'})
   27 |                 cout << max(2ll, D / K) << endl;
      |                         ~~~^~~~~~~~~~~~
/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:27:28: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   27 |                 cout << max(2ll, D / K) << endl;
      |                         ~~~^~~~~~~~~~~~