Submission #655036

#	Time	Username	Problem	Language	Result	Execution time	Memory
655036		benjaminkleyn	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int max_n = 100000;

vector<int> find_subset(int l, int u, vector<int> w)
{
    int n = w.size();
    unorderd_map<ll, bitset<max_n>> subsets;
    subsets[0] = bitset<max_n>(0);
    for (int i = 0; i < n; i++)
    {
        vector<pair<ll, bitset<max_n>>> new_subsets;
        for (auto [sum, subset] : subsets)
        {
            subset[i] = 1;
            if (sum + w[i] <= u)
                new_subsets.push_back({sum + w[i], subset});
        }
        for (auto [sum, subset] : new_subsets)
        {
            subsets[sum] = subset;
            if (l <= sum)
            {
                vector<int> res;
                for (int j = 0; j <= i; j++)
                    if (subset[j])
                        res.push_back(j);
                return res;
            }
        }
    }
    return vector<int>(0,0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:5: error: 'unorderd_map' was not declared in this scope
   10 |     unorderd_map<ll, bitset<max_n>> subsets;
      |     ^~~~~~~~~~~~
molecules.cpp:10:20: error: expected primary-expression before ',' token
   10 |     unorderd_map<ll, bitset<max_n>> subsets;
      |                    ^
molecules.cpp:10:34: error: expected primary-expression before '>' token
   10 |     unorderd_map<ll, bitset<max_n>> subsets;
      |                                  ^~
molecules.cpp:10:37: error: 'subsets' was not declared in this scope
   10 |     unorderd_map<ll, bitset<max_n>> subsets;
      |                                     ^~~~~~~
molecules.cpp:19:59: error: no matching function for call to 'std::vector<std::pair<long long int, std::bitset<100000> > >::push_back(<brace-enclosed initializer list>)'
   19 |                 new_subsets.push_back({sum + w[i], subset});
      |                                                           ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 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 molecules.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<long long int, std::bitset<100000> >; _Alloc = std::allocator<std::pair<long long int, std::bitset<100000> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, std::bitset<100000> >]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<long long int, std::bitset<100000> >&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<long long int, std::bitset<100000> >; _Alloc = std::allocator<std::pair<long long int, std::bitset<100000> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, std::bitset<100000> >]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<long long int, std::bitset<100000> > >::value_type&&' {aka 'std::pair<long long int, std::bitset<100000> >&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~