| # | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1172520 | 2025-03-23 21:37:39 | versesrev | Detecting Molecules (IOI16_molecules) | C++20 | Compilation error | 0 ms | 0 KiB |
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// 21:19
#include <vector>
std::vector<int> find_subset(int low, int up, std::vector<int> w) {
int n = w.size();
std::vector<std::vector<bool>> back(n, std::vector<int>(up + 1, -1));
back[0][0] = 0;
if (w[0] <= up) back[0][w[0]] = 0;
for (int i = 1; i < n; ++i) {
for (int j = 0; j <= up; ++j) {
if (w[i] <= j and back[i - 1][j - w[i]] != -1) {
back[i][j] = j - w[i];
}
else if (back[i - 1][j] != -1) {
back[i][j] = j;
}
else back[i][j] = -1;
}
}
std::vector<int> ans;
int start_j = -1;
int start_i = -1;
for (int i = 0; i < n and start_i == -1; ++i) {
for (int j = low ; start_j == -1 and j <= up; ++j) {
if (back[i][j] != -1) {
start_i = i;
start_j = j;
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)
molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:7:70: error: no matching function for call to 'std::vector<std::vector<bool> >::vector(int&, std::vector<int>)'
7 | std::vector<std::vector<bool>> back(n, std::vector<int>(up + 1, -1));
| ^
In file included from /usr/include/c++/11/vector:67,
from molecules.cpp:3:
/usr/include/c++/11/bits/stl_vector.h:653:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
653 | vector(_InputIterator __first, _InputIterator __last,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:653:9: note: template argument deduction/substitution failed:
molecules.cpp:7:70: note: deduced conflicting types for parameter '_InputIterator' ('int' and 'std::vector<int>')
7 | std::vector<std::vector<bool>> back(n, std::vector<int>(up + 1, -1));
| ^
In file included from /usr/include/c++/11/vector:67,
from molecules.cpp:3:
/usr/include/c++/11/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >]'
625 | vector(initializer_list<value_type> __l,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:625:43: note: no known conversion for argument 1 from 'int' to 'std::initializer_list<std::vector<bool> >'
625 | vector(initializer_list<value_type> __l,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >]'
607 | vector(vector&& __rv, const allocator_type& __m)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:607:23: note: no known conversion for argument 1 from 'int' to 'std::vector<std::vector<bool> >&&'
607 | vector(vector&& __rv, const allocator_type& __m)
| ~~~~~~~~~^~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >; std::false_type = std::integral_constant<bool, false>]'
589 | vector(vector&& __rv, const allocator_type& __m, false_type)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note: candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:585:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >; std::true_type = std::integral_constant<bool, true>]'
585 | vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:585:7: note: candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >]'
575 | vector(const vector& __x, const allocator_type& __a)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:575:28: note: no known conversion for argument 1 from 'int' to 'const std::vector<std::vector<bool> >&'
575 | vector(const vector& __x, const allocator_type& __a)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
572 | vector(vector&&) noexcept = default;
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
553 | vector(const vector& __x)
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:553:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:522:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<bool>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >]'
522 | vector(size_type __n, const value_type& __value,
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:522:47: note: no known conversion for argument 2 from 'std::vector<int>' to 'const value_type&' {aka 'const std::vector<bool>&'}
522 | vector(size_type __n, const value_type& __value,
| ~~~~~~~~~~~~~~~~~~^~~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >]'
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:51: note: no known conversion for argument 2 from 'std::vector<int>' to 'const allocator_type&' {aka 'const std::allocator<std::vector<bool> >&'}
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<bool> >]'
497 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = std::vector<bool>; _Alloc = std::allocator<std::vector<bool> >]'
487 | vector() = default;
| ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:487:7: note: candidate expects 0 arguments, 2 provided
molecules.h:1:9: warning: #pragma once in main file
1 | #pragma once
| ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
1 | #pragma once
| ^~~~