Submission #971838

# Submission time Handle Problem Language Result Execution time Memory
971838 2024-04-29T11:26:42 Z phoebe A Plus B (IOI23_aplusb) C++17
Compilation error
0 ms 0 KB
#include "aplusb.h"
#include <bits/stdc++.h>
using namespace std;

#define pii pair<int, int>

vector<int> smallest_sums(int n, vector<int> a, vector<int> b){
    priority_queue<pair<int, pii>> pq;
    set<pii> seen;
    vector<int> re;
    pq.push({-(a[0] + b[0]), {0, 0}});
    while (re.size() < n){
        int i = pq.front().second.first, j = pq.front().second.second; pq.pop();
        if (seen.count({i, j})) continue;
        seen.insert({i, j});
        re.push_back(a[i] + b[j]);
        if (i < n - 1) pq.push({-(a[i + 1] + b[j]), {i + 1, j}});
        if (j < n - 1) pq.push({-(a[i] + b[j + 1]), {i, j + 1}});
    }
    return re;
}

Compilation message

aplusb.cpp: In function 'std::vector<int> smallest_sums(int, std::vector<int>, std::vector<int>)':
aplusb.cpp:12:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   12 |     while (re.size() < n){
      |            ~~~~~~~~~~^~~
aplusb.cpp:13:20: error: 'class std::priority_queue<std::pair<int, std::pair<int, int> > >' has no member named 'front'
   13 |         int i = pq.front().second.first, j = pq.front().second.second; pq.pop();
      |                    ^~~~~
aplusb.cpp:14:28: error: 'j' was not declared in this scope
   14 |         if (seen.count({i, j})) continue;
      |                            ^
aplusb.cpp:14:30: error: no matching function for call to 'std::set<std::pair<int, int> >::count(<brace-enclosed initializer list>)'
   14 |         if (seen.count({i, j})) continue;
      |                              ^
In file included from /usr/include/c++/10/set:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
                 from aplusb.cpp:2:
/usr/include/c++/10/bits/stl_set.h:748:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::size_type std::set<_Key, _Compare, _Alloc>::count(const key_type&) const [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::size_type = long unsigned int; std::set<_Key, _Compare, _Alloc>::key_type = std::pair<int, int>]'
  748 |       count(const key_type& __x) const
      |       ^~~~~
/usr/include/c++/10/bits/stl_set.h:748:29: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const key_type&' {aka 'const std::pair<int, int>&'}
  748 |       count(const key_type& __x) const
      |             ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:754:2: note: candidate: 'template<class _Kt> decltype (((const std::set<_Key, _Compare, _Alloc>*)this)->std::set<_Key, _Compare, _Alloc>::_M_t._M_count_tr(__x)) std::set<_Key, _Compare, _Alloc>::count(const _Kt&) const [with _Kt = _Kt; _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
  754 |  count(const _Kt& __x) const
      |  ^~~~~
/usr/include/c++/10/bits/stl_set.h:754:2: note:   template argument deduction/substitution failed:
aplusb.cpp:14:30: note:   couldn't deduce template parameter '_Kt'
   14 |         if (seen.count({i, j})) continue;
      |                              ^
aplusb.cpp:15:25: error: 'j' was not declared in this scope
   15 |         seen.insert({i, j});
      |                         ^
aplusb.cpp:15:27: error: no matching function for call to 'std::set<std::pair<int, int> >::insert(<brace-enclosed initializer list>)'
   15 |         seen.insert({i, j});
      |                           ^
In file included from /usr/include/c++/10/set:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
                 from aplusb.cpp:2:
/usr/include/c++/10/bits/stl_set.h:509:7: note: candidate: 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
  509 |       insert(const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_set.h:509:32: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'}
  509 |       insert(const value_type& __x)
      |              ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:518:7: note: candidate: 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
  518 |       insert(value_type&& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_set.h:518:27: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::set<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'}
  518 |       insert(value_type&& __x)
      |              ~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:546:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::iterator std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::const_iterator, const value_type&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
  546 |       insert(const_iterator __position, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_set.h:546:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_set.h:551:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::iterator std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::const_iterator, std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
  551 |       insert(const_iterator __position, value_type&& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_set.h:551:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_set.h:566:2: note: candidate: 'template<class _InputIterator> void std::set<_Key, _Compare, _Alloc>::insert(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
  566 |  insert(_InputIterator __first, _InputIterator __last)
      |  ^~~~~~
/usr/include/c++/10/bits/stl_set.h:566:2: note:   template argument deduction/substitution failed:
aplusb.cpp:15:27: note:   candidate expects 2 arguments, 1 provided
   15 |         seen.insert({i, j});
      |                           ^
In file included from /usr/include/c++/10/set:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
                 from aplusb.cpp:2:
/usr/include/c++/10/bits/stl_set.h:578:7: note: candidate: 'void std::set<_Key, _Compare, _Alloc>::insert(std::initializer_list<_Tp>) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
  578 |       insert(initializer_list<value_type> __l)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_set.h:578:43: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::initializer_list<std::pair<int, int> >'
  578 |       insert(initializer_list<value_type> __l)
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:598:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::insert_return_type std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::node_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::insert_return_type = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::insert_return_type; std::set<_Key, _Compare, _Alloc>::node_type = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::node_type]'
  598 |       insert(node_type&& __nh)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_set.h:598:26: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::set<std::pair<int, int> >::node_type&&' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::node_type&&'}
  598 |       insert(node_type&& __nh)
      |              ~~~~~~~~~~~~^~~~
/usr/include/c++/10/bits/stl_set.h:603:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::iterator std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::const_iterator, std::set<_Key, _Compare, _Alloc>::node_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::node_type = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::node_type]'
  603 |       insert(const_iterator __hint, node_type&& __nh)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_set.h:603:7: note:   candidate expects 2 arguments, 1 provided
aplusb.cpp:17:64: error: no matching function for call to 'std::priority_queue<std::pair<int, std::pair<int, int> > >::push(<brace-enclosed initializer list>)'
   17 |         if (i < n - 1) pq.push({-(a[i + 1] + b[j]), {i + 1, j}});
      |                                                                ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from aplusb.cpp:2:
/usr/include/c++/10/bits/stl_queue.h:640:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::pair<int, std::pair<int, int> >; _Sequence = std::vector<std::pair<int, std::pair<int, int> >, std::allocator<std::pair<int, std::pair<int, int> > > >; _Compare = std::less<std::pair<int, std::pair<int, int> > >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, std::pair<int, int> >]'
  640 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:640:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, std::pair<int, int> >&'}
  640 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:648:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::pair<int, std::pair<int, int> >; _Sequence = std::vector<std::pair<int, std::pair<int, int> >, std::allocator<std::pair<int, std::pair<int, int> > > >; _Compare = std::less<std::pair<int, std::pair<int, int> > >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, std::pair<int, int> >]'
  648 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:648:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::pair<int, std::pair<int, int> > >::value_type&&' {aka 'std::pair<int, std::pair<int, int> >&&'}
  648 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~
aplusb.cpp:18:64: error: no matching function for call to 'std::priority_queue<std::pair<int, std::pair<int, int> > >::push(<brace-enclosed initializer list>)'
   18 |         if (j < n - 1) pq.push({-(a[i] + b[j + 1]), {i, j + 1}});
      |                                                                ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from aplusb.cpp:2:
/usr/include/c++/10/bits/stl_queue.h:640:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::pair<int, std::pair<int, int> >; _Sequence = std::vector<std::pair<int, std::pair<int, int> >, std::allocator<std::pair<int, std::pair<int, int> > > >; _Compare = std::less<std::pair<int, std::pair<int, int> > >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, std::pair<int, int> >]'
  640 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:640:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, std::pair<int, int> >&'}
  640 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:648:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::pair<int, std::pair<int, int> >; _Sequence = std::vector<std::pair<int, std::pair<int, int> >, std::allocator<std::pair<int, std::pair<int, int> > > >; _Compare = std::less<std::pair<int, std::pair<int, int> > >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, std::pair<int, int> >]'
  648 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:648:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::pair<int, std::pair<int, int> > >::value_type&&' {aka 'std::pair<int, std::pair<int, int> >&&'}
  648 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~