Submission #552757

#TimeUsernameProblemLanguageResultExecution timeMemory
552757nhuang685Knapsack (NOI18_knapsack)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h>

#ifdef VSLOCAL
#include "debug/d.h"
#endif
#ifdef LOCAL
#include "../../debug/d.h"
#endif

using namespace std;

using ll = long long;
using ld = long double;

#if defined(LOCAL) || defined(VSLOCAL)
#define dbg(...) line_info(__LINE__, #__VA_ARGS__), dbg1(__VA_ARGS__)
void nline() { cerr << '\n'; }
#else
#define dbg(...) 0
void nline() {}
#endif

struct item {
    ll W, V, K;
    bool operator< (const item that) const {
        return (W == that.W) ? V > that.V : W < that.W;
    }
};

ostream& operator<< (ostream& out, item i) {
    out << "{" << i.V << ", " << i.W << ", " << i.K << "}";
    return out;
}

int main() {
    ios::sync_with_stdio(0); cin.tie(0);

    #ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("log.txt", "w", stderr);
    #endif

    int S, N;
    cin >> S >> N;

    vector<item> items (N);
    for (int i = 0; i < N; ++i) {
        cin >> items[i].V >> items[i].W >> items[i].K;
    }

    sort(items.begin(), items.end());
    dbg(items);

    vector<vector<ll>> value (S + 1, vector<ll> (S + 1));
    vector<vector<ll>> dp (S + 1, vector<ll> (S + 1)); // maximum value

    int index = 0;
    for (int i = 1; i <= S; ++i) {
        int count = 0;
        dp[i] = dp[i - 1];
        for (int j = i; j <= S; j += i) {
            count++;
            if (count > items[index].K) {
                count = 1;
                index++;
            }
            if (items >= N || items[index].W != i) break;
            value[i][j] = value[i][j - i] + items[index].V;

            for (int k = j; k <= S; ++k) {
                // dp[i][k] = max(dp[i][k], dp[i - 1][k]);
                dp[i][k] = max(dp[i][k], dp[i - 1][k - j] + value[i][j]);
            }
        }
    }
    dbg(dp);
    cout << dp[S][S] << '\n';
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:19:18: warning: statement has no effect [-Wunused-value]
   19 | #define dbg(...) 0
      |                  ^
knapsack.cpp:52:5: note: in expansion of macro 'dbg'
   52 |     dbg(items);
      |     ^~~
knapsack.cpp:67:23: error: no match for 'operator>=' (operand types are 'std::vector<item>' and 'int')
   67 |             if (items >= N || items[index].W != i) break;
      |                 ~~~~~ ^~ ~
      |                 |        |
      |                 |        int
      |                 std::vector<item>
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/regex.h:1097:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator>=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1097 |     operator>=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1097:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/regex.h:1180:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator>=(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
 1180 |     operator>=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1180:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/regex.h:1273:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator>=(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1273 |     operator>=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1273:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/regex.h:1347:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1347 |     operator>=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1347:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1441 |     operator>=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1441:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/regex.h:1518:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1518 |     operator>=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1518:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/regex.h:1618:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1618 |     operator>=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1618:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:514:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  514 |     operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:514:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::pair<_T1, _T2>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:390:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  390 |     operator>=(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:390:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::reverse_iterator<_Iterator>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:428:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  428 |     operator>=(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:428:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::reverse_iterator<_Iterator>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1478:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1478 |     operator>=(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1478:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::move_iterator<_IteratorL>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1525:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1525 |     operator>=(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1525:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::move_iterator<_IteratorL>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/string_view:601:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>=(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
  601 |     operator>=(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:601:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/string_view:607:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>=(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)'
  607 |     operator>=(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:607:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/string_view:614:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>=(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)'
  614 |     operator>=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:614:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6381:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>=(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6381 |     operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6381:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6394:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>=(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 6394 |     operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6394:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6406:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>=(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6406 |     operator>=(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6406:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   mismatched types 'const _CharT*' and 'std::vector<item>'
   67 |             if (items >= N || items[index].W != i) break;
      |                          ^
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 knapsack.cpp:1:
/usr/include/c++/10/array:305:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator>=(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)'
  305 |     operator>=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
      |     ^~~~~~~~
/usr/include/c++/10/array:305:5: note:   template argument deduction/substitution failed:
knapsack.cpp:67:26: note:   'std::vector<item>' is not derived from 'const std::array<_Tp, _Nm>'