Submission #335120

#TimeUsernameProblemLanguageResultExecution timeMemory
335120blueDetecting Molecules (IOI16_molecules)C++17
Compilation error
0 ms0 KiB
#include "molecules.h" #include <vector> #include <algorithm> using namespace std; vector<int> W; int n; vector<int> find_subset(int l, int u, vector<int> w) { W = w; n = w.size(); int i, x; vector<int> I(n); for(i = 0; i < n; i++) I[i] = i; sort(I, I+n, [] (int x, int y) { return W[x] < W[y]; }); int sum = 0; vector<int> empty_res; vector<int> res; if(w[I[0]] > u) return empty_res; for(x = 0; x < n && sum < l; x++) { i = I[x]; sum += w[i]; res.push_back(i); } if(sum < l) return empty_res; x--; sum -= x[I[x]]; res.pop_back(); res.push_back(I[n-1]); return res; }

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:19:14: error: no match for 'operator+' (operand types are 'std::vector<int>' and 'int')
   19 |     sort(I, I+n, [] (int x, int y)
      |             ~^~
      |             | |
      |             | int
      |             std::vector<int>
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/vector:60,
                 from molecules.h:3,
                 from molecules.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:423:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)'
  423 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:423:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/vector:60,
                 from molecules.h:3,
                 from molecules.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1219:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)'
 1219 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1219:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/vector:68,
                 from molecules.h:3,
                 from molecules.cpp:1:
/usr/include/c++/9/bits/stl_bvector.h:303:3: note: candidate: 'std::_Bit_iterator std::operator+(std::ptrdiff_t, const std::_Bit_iterator&)'
  303 |   operator+(ptrdiff_t __n, const _Bit_iterator& __x)
      |   ^~~~~~~~
/usr/include/c++/9/bits/stl_bvector.h:303:23: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::ptrdiff_t' {aka 'long int'}
  303 |   operator+(ptrdiff_t __n, const _Bit_iterator& __x)
      |             ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_bvector.h:393:3: note: candidate: 'std::_Bit_const_iterator std::operator+(std::ptrdiff_t, const std::_Bit_const_iterator&)'
  393 |   operator+(ptrdiff_t __n, const _Bit_const_iterator& __x)
      |   ^~~~~~~~
/usr/include/c++/9/bits/stl_bvector.h:393:23: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::ptrdiff_t' {aka 'long int'}
  393 |   operator+(ptrdiff_t __n, const _Bit_const_iterator& __x)
      |             ~~~~~~~~~~^~~
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6020:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6020 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6020:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:56,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.tcc:1158:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 1158 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.tcc:1158:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   mismatched types 'const _CharT*' and 'std::vector<int>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:56,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.tcc:1174:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 1174 |     operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.tcc:1174:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6057:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 6057 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6057:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6073:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 6073 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6073:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6085:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6085 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6085:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6091:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6091 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6091:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6097:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6097 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6097:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6109:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6109 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6109:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   mismatched types 'const _CharT*' and 'std::vector<int>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6115:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6115 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6115:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6121:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)'
 6121 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6121:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/stdexcept:39,
                 from /usr/include/c++/9/array:39,
                 from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/9/algorithm:71,
                 from molecules.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6127:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)'
 6127 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6127:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/vector:60,
                 from molecules.h:3,
                 from molecules.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:996:5: note: candidate: 'template<class _Iterator, class _Container> __gnu_cxx::__normal_iterator<_Iterator, _Container> __gnu_cxx::operator+(typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
  996 |     operator+(typename __normal_iterator<_Iterator, _Container>::difference_type
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:996:5: note:   template argument deduction/substitution failed:
molecules.cpp:19:15: note:   mismatched types 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' and 'int'
   19 |     sort(I, I+n, [] (int x, int y)
      |               ^
molecules.cpp:38:18: error: invalid types 'int[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   38 |     sum -= x[I[x]];
      |                  ^