# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
237705 | Half | Feast (NOI19_feast) | C++14 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
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 (stderr)
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