Submission #237705

# Submission time Handle Problem Language Result Execution time Memory
237705 2020-06-08T11:33:23 Z Half Feast (NOI19_feast) C++14
Compilation error
0 ms 0 KB
include <iostream>
#include <vector>
#include <set>
#include <map>
#include <algorithm>
#include <cmath>

using namespace std;

typedef vector<int> vi;
typedef pair<int,int> pi;
typedef long long ll;

#define loop(i,a,b) for (int i = a; i <= b; i++)

#define INF ((unsigned) ~0)
#define F first
#define S second
#define PB push_back
#define MP make_pair

const int MXN = 500000;
int N, K;
int a[MXN];
vi g;
vector<ll> sg;
//ll mem[MXN][MXN];

int dp(int l, int n){
    if(l >= g.size())
        return 0;
    if(n <= 0)
        return 0;
    //if(mem[l][n] != -1)
    //    return mem[l][n];
    ll sol = sg[l + 1] - sg[l];
    for(int i = l + 1; i <= g.size(); i++)
        for(int j = l; j <= i; j++)
            sol = max(sol, dp(i, n - 1) + sg[i] - sg[j]);
    //mem[l][n] = sol;
    return sol;
}

int main(){
    cin >> N >> K;
    for(int i = 0; i < N; i++){
        cin >> a[i];
        if(g.size() == 0){
            g.push_back(a[i]);
        }else if((g[g.size() - 1] > 0 && a[i] > 0) || (g[g.size() - 1] < 0 && a[i] < 0)){
            g[g.size() - 1] += a[i];
        }else{
            //cout << g[g.size() - 1] << " ";
            g.push_back(a[i]);
        }
    }
    //cout << "\n";
    /*for(int i = 0; i < MXN; i++)
        for(int j = 0; j < MXN; j++)
            mem[i][j] = -1;*/
    ll sm = 0;
    sg.push_back(0);
    for(int i = 0; i < g.size(); i++){
        sm += g[i];
        sg.push_back(sm);
    }
    cout << dp(0, K) << "\n";
}

Compilation message

feast.cpp:1:1: error: 'include' does not name a type
 include <iostream>
 ^~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:62:0,
                 from /usr/include/c++/7/vector:60,
                 from feast.cpp:2:
/usr/include/c++/7/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of symbol
   __is_null_pointer(std::nullptr_t)
                                   ^
/usr/include/c++/7/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
     __is_null_pointer(_Type)
     ^~~~~~~~~~~~~~~~~
/usr/include/c++/7/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
   __is_null_pointer(std::nullptr_t)
                          ^~~~~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/stl_pair.h:59,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/vector:60,
                 from feast.cpp:2:
/usr/include/c++/7/type_traits:362:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:363:25: error: '_Size' was not declared in this scope
     struct is_array<_Tp[_Size]>
                         ^~~~~
/usr/include/c++/7/type_traits:363:31: error: template argument 1 is invalid
     struct is_array<_Tp[_Size]>
                               ^
/usr/include/c++/7/type_traits:561:42: error: 'nullptr_t' is not a member of 'std'
     struct __is_null_pointer_helper<std::nullptr_t>
                                          ^~~~~~~~~
/usr/include/c++/7/type_traits:561:42: error: 'nullptr_t' is not a member of 'std'
/usr/include/c++/7/type_traits:561:51: error: template argument 1 is invalid
     struct __is_null_pointer_helper<std::nullptr_t>
                                                   ^
/usr/include/c++/7/type_traits:1464:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, __alignof__(_Tp)> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1464:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/type_traits:1464:61: error: template argument 1 is invalid
     : public integral_constant<std::size_t, __alignof__(_Tp)> { };
                                                             ^
/usr/include/c++/7/type_traits:1464:61: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1469:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 0> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1469:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/type_traits:1469:46: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 0> { };
                                              ^
/usr/include/c++/7/type_traits:1469:46: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1471:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:1472:21: error: '_Size' was not declared in this scope
     struct rank<_Tp[_Size]>
                     ^~~~~
/usr/include/c++/7/type_traits:1472:27: error: template argument 1 is invalid
     struct rank<_Tp[_Size]>
                           ^
/usr/include/c++/7/type_traits:1473:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1473:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/type_traits:1473:65: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                                                 ^
/usr/include/c++/7/type_traits:1473:65: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1477:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1477:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/type_traits:1477:65: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
                                                                 ^
/usr/include/c++/7/type_traits:1477:65: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1482:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t, 0> { };
                                     ^~~~~~
/usr/include/c++/7/type_traits:1482:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/type_traits:1482:46: error: template argument 1 is invalid
     : public integral_constant<std::size_t, 0> { };
                                              ^
/usr/include/c++/7/type_traits:1482:46: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1484:47: error: 'std::size_t' has not been declared
   template<typename _Tp, unsigned _Uint, std::size_t _Size>
                                               ^~~~~~
/usr/include/c++/7/type_traits:1485:23: error: '_Size' was not declared in this scope
     struct extent<_Tp[_Size], _Uint>
                       ^~~~~
/usr/include/c++/7/type_traits:1485:36: error: template argument 1 is invalid
     struct extent<_Tp[_Size], _Uint>
                                    ^
/usr/include/c++/7/type_traits:1486:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t,
                                     ^~~~~~
/usr/include/c++/7/type_traits:1486:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/type_traits:1487:24: error: '_Size' was not declared in this scope
           _Uint == 0 ? _Size : extent<_Tp,
                        ^~~~~
/usr/include/c++/7/type_traits:1488:28: error: template argument 1 is invalid
           _Uint - 1>::value>
                            ^
/usr/include/c++/7/type_traits:1488:28: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1493:37: error: 'size_t' is not a member of 'std'
     : public integral_constant<std::size_t,
                                     ^~~~~~
/usr/include/c++/7/type_traits:1493:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/type_traits:1495:31: error: template argument 1 is invalid
              _Uint - 1>::value>
                               ^
/usr/include/c++/7/type_traits:1495:31: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1944:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:1945:30: error: '_Size' was not declared in this scope
     struct remove_extent<_Tp[_Size]>
                              ^~~~~
/usr/include/c++/7/type_traits:1945:36: error: template argument 1 is invalid
     struct remove_extent<_Tp[_Size]>
                                    ^
/usr/include/c++/7/type_traits:1957:31: error: 'std::size_t' has not been declared
   template<typename _Tp, std::size_t _Size>
                               ^~~~~~
/usr/include/c++/7/type_traits:1958:35: error: '_Size' was not declared in this scope
     struct remove_all_extents<_Tp[_Size]>
                                   ^~~~~
/usr/include/c++/7/type_traits:1958:41: error: template argument 1 is invalid
     struct remove_all_extents<_Tp[_Size]>
                                         ^
/usr/include/c++/7/type_traits:2016:17: error: 'std::size_t' has not been declared
   template<std::size_t _Len>
                 ^~~~~~
/usr/include/c++/7/type_traits:2021:23: error: '_Len' was not declared in this scope
  unsigned char __data[_Len];
                       ^~~~
/usr/include/c++/7/type_traits:2036:17: error: 'std::size_t' has not been declared
   template<std::size_t _Len, std::size_t _Align =
                 ^~~~~~
/usr/include/c++/7/type_traits:2036:35: error: 'std::size_t' has not been declared
   template<std::size_t _Len, std::size_t _Align =
                                   ^~~~~~
/usr/include/c++/7/type_traits:2037:48: error: '_Len' was not declared in this scope
     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
                                                ^~~~
/usr/include/c++/7/type_traits:2037:52: error: template argument 1 is invalid
     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
                                                    ^
/usr/include/c++/7/type_traits:2042:23: error: '_Len' was not declared in this scope
  unsigned char __data[_Len];
                       ^~~~
/usr/include/c++/7/type_traits:2043:37: error: '_Align' was not declared in this scope
  struct __attribute__((__aligned__((_Align)))) { } __align;
                                     ^~~~~~
/usr/include/c++/7/type_traits:2050:20: error: 'size_t' does not name a type; did you mean '__size_t'?
       static const size_t _S_alignment = 0;
                    ^~~~~~
                    __size_t
/usr/include/c++/7/type_traits:2051:20: error: 'size_t' does not name a type; did you mean '__size_t'?
       static const size_t _S_size = 0;
                    ^~~~~~
                    __size_t
/usr/include/c++/7/type_traits:2057:20: error: 'size_t' does not name a type; did you mean '__size_t'?
       static const size_t _S_alignment =
                    ^~~~~~
                    __size_t
/usr/include/c++/7/type_traits:2060:20: error: 'size_t' does not name a type; did you mean '__size_t'?
       static const size_t _S_size =
                    ^~~~~~
                    __size_t
/usr/include/c++/7/type_traits:2075:13: error: 'size_t' has not been declared
   template <size_t _Len, typename... _Types>
             ^~~~~~
/usr/include/c++/7/type_traits:2082:20: error: 'size_t' does not name a type; did you mean '__size_t'?
       static const size_t _S_len = _Len > __strictest::_S_size
                    ^~~~~~
                    __size_t
/usr/include/c++/7/type_traits:2086:20: error: 'size_t' does not name a type; did you mean '__size_t'?
       static const size_t alignment_value = __strictest::_S_alignment;
                    ^~~~~~
                    __size_t
/usr/include/c++/7/type_traits:2088:40: error: '_S_len' was not declared in this scope
       typedef typename aligned_storage<_S_len, alignment_value>::type type;
                                        ^~~~~~
/usr/include/c++/7/type_traits:2088:48: error: 'alignment_value' was not declared in this scope
       typedef typename aligned_storage<_S_len, alignment_value>::type type;
                                                ^~~~~~~~~~~~~~~
/usr/include/c++/7/type_traits:2088:48: note: suggested alternative: 'alignment_of'
       typedef typename aligned_storage<_S_len, alignment_value>::type type;
                                                ^~~~~~~~~~~~~~~
                                                alignment_of
/usr/include/c++/7/type_traits:2088:63: error: template argument 1 is invalid
       typedef typename aligned_storage<_S_len, alignment_value>::type type;
                                                               ^
/usr/include/c++/7/type_traits:2088:63: error: template argument 2 is invalid
/usr/include/c++/7/type_traits:2091:13: error: 'size_t' has not been declared
   template <size_t _Len, typename... _Types>
             ^~~~~~
/usr/include/c++/7/type_traits:2092:11: error: 'size_t' does not name a type; did you mean '__size_t'?
     const size_t aligned_union<_Len, _Types...>::alignment_value;
           ^~~~~~
           __size_t
/usr/include/c++/7/type_traits:2463:12: error: 'size_t' has not been declared
   template<size_t _Len, size_t _Align =
            ^~~~~~
/usr/include/c++/7/type_traits:2463:25: error: 'size_t' has not been declared
   template<size_t _Len, size_t _Align =
                         ^~~~~~
/usr/include/c++/7/type_traits:2464:49: error: '_Len' was not declared in this scope
      __alignof__(typename __aligned_storage_msa<_Len>::__type)>
                                                 ^~~~
/usr/include/c++/7/type_traits:2464:53: error: template argument 1 is invalid
      __alignof__(typename __aligned_storage_msa<_Len>::__type)>
                                                     ^
/usr/include/c++/7/type_traits:2465:56: error: '_Len' was not declared in this scope
     using aligned_storage_t = typename aligned_storage<_Len, _Align>::type;
                                                        ^~~~
/usr/include/c++/7/type_traits:2465:62: error: '_Align' was not declared in this scope
     using aligned_storage_t = typename aligned_storage<_Len, _Align>::type;
                                                              ^~~~~~
/usr/include/c++/7/type_traits:2465:68: error: template argument 1 is invalid
     using aligned_storage_t = typename aligned_storage<_Len, _Align>::type;
                                                                    ^
/usr/include/c++/7/type_traits:2465:68: error: template argument 2 is invalid
/usr/include/c++/7/type_traits:2467:13: error: 'size_t' has not been declared
   template <size_t _Len, typename... _Types>
             ^~~~~~
/usr/include/c++/7/type_traits:2468:52: error: '_Len' was not declared in this scope
     using aligned_union_t = typename aligned_union<_Len, _Types...>::type;
                                                    ^~~~
/usr/include/c++/7/type_traits:2468:67: error: template argument 1 is invalid
     using aligned_union_t = typename aligned_union<_Len, _Types...>::type;
                                                                   ^
/usr/include/c++/7/type_traits:2581:26: error: 'size_t' has not been declared
   template<typename _Tp, size_t _Nm>
                          ^~~~~~
/usr/include/c++/7/type_traits:2584:21: error: '_Nm' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                     ^~~
/usr/include/c++/7/type_traits:2584:24: error: 'template<class _Tp, <declaration error> > typename std::enable_if<std::__is_swappable<_Tp>::value>::type std::swap' conflicts with a previous declaration
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                        ^
/usr/include/c++/7/type_traits:2577:5: note: previous declaration 'typename std::enable_if<std::__and_<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> >::value>::type std::swap(_Tp&, _Tp&)'
     swap(_Tp&, _Tp&)
     ^~~~
/usr/include/c++/7/type_traits:2584:16: error: '__a' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                ^~~
/usr/include/c++/7/type_traits:2584:16: note: suggested alternative: '__N'
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                ^~~
                __N
/usr/include/c++/7/type_traits:2584:21: error: '_Nm' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                     ^~~
/usr/include/c++/7/type_traits:2584:33: error: '__b' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                                 ^~~
/usr/include/c++/7/type_traits:2584:33: note: suggested alternative: '__N'
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                                 ^~~
                                 __N
/usr/include/c++/7/type_traits:2584:38: error: '_Nm' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                                      ^~~
/usr/include/c++/7/type_traits:2585:5: error: expected ';' before 'noexcept'
     noexcept(__is_nothrow_swappable<_Tp>::value);
     ^~~~~~~~
In file included from /usr/include/c++/7/bits/stl_pair.h:59:0,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/vector:60,
                 from feast.cpp:2:
/usr/include/c++/7/bits/move.h:206:26: error: 'size_t' has not been declared
   template<typename _Tp, size_t _Nm>
                          ^~~~~~
/usr/include/c++/7/bits/move.h:210:21: error: '_Nm' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                     ^~~
/usr/include/c++/7/bits/move.h:210:24: error: 'template<class _Tp, <declaration error> > typename std::enable_if<std::__is_swappable<_Tp>::value>::type std::swap' conflicts with a previous declaration
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                        ^
/usr/include/c++/7/bits/move.h:187:5: note: previous declaration 'typename std::enable_if<std::__and_<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> >::value>::type std::swap(_Tp&, _Tp&)'
     swap(_Tp& __a, _Tp& __b)
     ^~~~
/usr/include/c++/7/bits/move.h:210:16: error: '__a' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                ^~~
/usr/include/c++/7/bits/move.h:210:16: note: suggested alternative: '__N'
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                ^~~
                __N
/usr/include/c++/7/bits/move.h:210:21: error: '_Nm' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                     ^~~
/usr/include/c++/7/bits/move.h:210:33: error: '__b' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                                 ^~~
/usr/include/c++/7/bits/move.h:210:33: note: suggested alternative: '__N'
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                                 ^~~
                                 __N
/usr/include/c++/7/bits/move.h:210:38: error: '_Nm' was not declared in this scope
     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
                                      ^~~
/usr/include/c++/7/bits/move.h:211:5: error: expected ';' before 'noexcept'
     noexcept(__is_nothrow_swappable<_Tp>::value)
     ^~~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/vector:60,
                 from feast.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:86:17: error: 'std::size_t' has not been declared
   template<std::size_t...>
                 ^~~~~~
/usr/include/c++/7/bits/stl_pair.h:429:41: error: 'std::size_t' has not been declared
       template<typename... _Args1, std::size_t... _Indexes1,
                                         ^~~~~~
/usr/include/c++/7/bits/stl_pair.h:430:41: error: 'std::size_t' has not been declared
                typename... _Args2, std::size_t... _Indexes2>
                                         ^~~~~~
/usr/include/c++/7/bits/stl_pair.h:432:27: error: '_Indexes1' was not declared in this scope
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                           ^~~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:432:27: note: suggested alternative: '_Index_tuple'
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                           ^~~~~~~~~
                           _Index_tuple
/usr/include/c++/7/bits/stl_pair.h:432:36: error: expected parameter pack before '...'
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                    ^~~
/usr/include/c++/7/bits/stl_pair.h:432:39: error: template argument 1 is invalid
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                       ^
/usr/include/c++/7/bits/stl_pair.h:432:55: error: '_Indexes2' was not declared in this scope
              _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
                                                       ^~~~~~~~~
/usr/includ