Submission #894595

# Submission time Handle Problem Language Result Execution time Memory
894595 2023-12-28T13:58:04 Z lunaTu Xylophone (JOI18_xylophone) C++17
Compilation error
0 ms 0 KB
#include <bits/stdc++.h>
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
#include "xylophone.h"
typedef long long ll;
using namespace std;

const int M = 5e3 + 1;
int a[M];
pair<int, int> get[M];

void solve2(int n) {
    map<int, int> d;
    d[0] = 1;
    d[a[1]] = 2;

    for (int i = 3; i <= N; i++) {
        int x = get[i].ff, y = get[i].ss;

        int r = abs(a[i - 2] - a[i - 1]);

        if (a[i - 2] < a[i - 1]) {
            if (x != r  && x != y) a[i] = a[i - 2] + x;
            else a[i] = a[i - 1] - y;
        }
        else {
            if (x != r && x != y) a[i] = a[i - 2] - x;
            else a[i] = a[i - 1] + y;
        }

        if (d[a[i]]) return;

        d[a[i]] = i;
    }

    int i = 1;
    for (auto [x, y] : d) {
        answer(y, i);
        i++;
    }
    exit(0);
}

void solve(int N) {
    for (int i = 3; i <= N; i++) {
        get[i].ff = query(i - 2, i);
        get[i].ss = query(i - 1, i);
    }

    a[1] = 0;

    a[2] = query(1, 2);
    solve2(N);

    a[2] *= -1;
    solve2(N);
}

Compilation message

xylophone.cpp: In function 'void solve2(int)':
xylophone.cpp:18:26: error: 'N' was not declared in this scope
   18 |     for (int i = 3; i <= N; i++) {
      |                          ^
xylophone.cpp:19:17: error: reference to 'get' is ambiguous
   19 |         int x = get[i].ff, y = get[i].ss;
      |                 ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:133,
                 from xylophone.cpp:1:
/usr/include/c++/10/variant:1099:27: note: candidates are: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::variant<_Types ...>&&)'
 1099 |     constexpr const _Tp&& get(const variant<_Types...>&& __v)
      |                           ^~~
/usr/include/c++/10/variant:1090:26: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::variant<_Types ...>&)'
 1090 |     constexpr const _Tp& get(const variant<_Types...>& __v)
      |                          ^~~
/usr/include/c++/10/variant:1080:21: note:                 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::variant<_Types ...>&&)'
 1080 |     constexpr _Tp&& get(variant<_Types...>&& __v)
      |                     ^~~
/usr/include/c++/10/variant:1071:20: note:                 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::variant<_Types ...>&)'
 1071 |     constexpr _Tp& get(variant<_Types...>& __v)
      |                    ^~~
/usr/include/c++/10/variant:1677:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(const std::variant<_Types ...>&&)'
 1677 |     get(const variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/10/variant:1666:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(const std::variant<_Types ...>&)'
 1666 |     get(const variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/10/variant:1655:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(std::variant<_Types ...>&&)'
 1655 |     get(variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/10/variant:1644:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(std::variant<_Types ...>&)'
 1644 |     get(variant<_Types...>& __v)
      |     ^~~
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/tuple:1357:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::tuple<_UTypes ...>&&)'
 1357 |     get(const tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1350:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::tuple<_UTypes ...>&)'
 1350 |     get(const tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1344:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
 1344 |     get(tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1338:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
 1338 |     get(tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1315:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(const std::tuple<_UTypes ...>&&)'
 1315 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1306:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(std::tuple<_UTypes ...>&&)'
 1306 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1300:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(const std::tuple<_UTypes ...>&)'
 1300 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1294:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(std::tuple<_UTypes ...>&)'
 1294 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/array:360:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const std::array<_Tp, _Nm>&&)'
  360 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:351:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const std::array<_Tp, _Nm>&)'
  351 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:343:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(std::array<_Tp, _Nm>&&)'
  343 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:334:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(std::array<_Tp, _Nm>&)'
  334 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/utility:282:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
  282 |     get(const pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:277:5: note:                 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
  277 |     get(pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:272:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
  272 |     get(const pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:267:5: note:                 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
  267 |     get(pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:262:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
  262 |     get(const pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:257:5: note:                 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
  257 |     get(pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:252:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
  252 |     get(const pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:247:5: note:                 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
  247 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:238:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const std::pair<_Tp1, _Tp2>&&)'
  238 |     get(const std::pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:233:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const std::pair<_Tp1, _Tp2>&)'
  233 |     get(const std::pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:228:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(std::pair<_Tp1, _Tp2>&&)'
  228 |     get(std::pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:223:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(std::pair<_Tp1, _Tp2>&)'
  223 |     get(std::pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
xylophone.cpp:11:16: note:                 'std::pair<int, int> get [5001]'
   11 | pair<int, int> get[M];
      |                ^~~
xylophone.cpp:24:33: error: 'y' was not declared in this scope
   24 |             if (x != r  && x != y) a[i] = a[i - 2] + x;
      |                                 ^
xylophone.cpp:28:32: error: 'y' was not declared in this scope
   28 |             if (x != r && x != y) a[i] = a[i - 2] - x;
      |                                ^
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:47:9: error: reference to 'get' is ambiguous
   47 |         get[i].ff = query(i - 2, i);
      |         ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:133,
                 from xylophone.cpp:1:
/usr/include/c++/10/variant:1099:27: note: candidates are: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::variant<_Types ...>&&)'
 1099 |     constexpr const _Tp&& get(const variant<_Types...>&& __v)
      |                           ^~~
/usr/include/c++/10/variant:1090:26: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::variant<_Types ...>&)'
 1090 |     constexpr const _Tp& get(const variant<_Types...>& __v)
      |                          ^~~
/usr/include/c++/10/variant:1080:21: note:                 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::variant<_Types ...>&&)'
 1080 |     constexpr _Tp&& get(variant<_Types...>&& __v)
      |                     ^~~
/usr/include/c++/10/variant:1071:20: note:                 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::variant<_Types ...>&)'
 1071 |     constexpr _Tp& get(variant<_Types...>& __v)
      |                    ^~~
/usr/include/c++/10/variant:1677:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(const std::variant<_Types ...>&&)'
 1677 |     get(const variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/10/variant:1666:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(const std::variant<_Types ...>&)'
 1666 |     get(const variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/10/variant:1655:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(std::variant<_Types ...>&&)'
 1655 |     get(variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/10/variant:1644:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(std::variant<_Types ...>&)'
 1644 |     get(variant<_Types...>& __v)
      |     ^~~
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/tuple:1357:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::tuple<_UTypes ...>&&)'
 1357 |     get(const tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1350:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::tuple<_UTypes ...>&)'
 1350 |     get(const tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1344:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
 1344 |     get(tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1338:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
 1338 |     get(tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1315:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(const std::tuple<_UTypes ...>&&)'
 1315 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1306:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(std::tuple<_UTypes ...>&&)'
 1306 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1300:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(const std::tuple<_UTypes ...>&)'
 1300 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/10/tuple:1294:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(std::tuple<_UTypes ...>&)'
 1294 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/array:360:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const std::array<_Tp, _Nm>&&)'
  360 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:351:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const std::array<_Tp, _Nm>&)'
  351 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:343:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(std::array<_Tp, _Nm>&&)'
  343 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/10/array:334:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(std::array<_Tp, _Nm>&)'
  334 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
In file included from /usr/include/c++/10/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/utility:282:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
  282 |     get(const pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:277:5: note:                 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
  277 |     get(pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:272:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
  272 |     get(const pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:267:5: note:                 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
  267 |     get(pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:262:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
  262 |     get(const pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:257:5: note:                 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
  257 |     get(pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:252:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
  252 |     get(const pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:247:5: note:                 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
  247 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/10/utility:238:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const std::pair<_Tp1, _Tp2>&&)'
  238 |     get(const std::pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:233:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const std::pair<_Tp1, _Tp2>&)'
  233 |     get(const std::pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:228:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(std::pair<_Tp1, _Tp2>&&)'
  228 |     get(std::pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/10/utility:223:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(std::pair<_Tp1, _Tp2>&)'
  223 |     get(std::pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
xylophone.cpp:11:16: note:                 'std::pair<int, int> get [5001]'
   11 | pair<int, int> get[M];
      |                ^~~
xylophone.cpp:48:9: error: reference to 'get' is ambiguous
   48 |         get[i].ss = query(i - 1, i);
      |         ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:133,
                 from xylophone.cpp:1:
/usr/include/c++/10/variant:1099:27: note: candidates are: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::variant<_Types ...>&&)'
 1099 |     constexpr const _Tp&& get(const variant<_Types