Submission #1011029

#	Time	Username	Problem	Language	Result	Execution time	Memory
1011029		Dan4Life	Longest Trip (IOI23_longesttrip)	C++17	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

longesttrip

#include "longesttrip.h" #include <bits/stdc++.h> using namespace std; #define pb push_back #define sz(a) (int)a.size() #define all(a) begin(a),end(a) bool connected(deque<int> A, deque<int> B){ vector<int> Av,Bv;Av.clear(),Bv.clear(); for(auto u : A) Av.pb(u); for(auto u : B) Bv.pb(u); return are_connected(Av,Bv); } vector<int> longest_trip(int N, int D){ srand(time(0)); deque<int> line1, line2; line1.clear(),line2.clear(); vector<int> ord(N,0); iota(all(ord),0); random_shuffle(all(ord)); for(auto x : ord){ if(line1.empty()) line1.push_back(x); else if(are_connected({x},{line1.back()})) line1.push_back(x); else if(!line2.empty() and are_connected({line1.back()},{line2.back()})){ reverse(all(line2)); for(auto u : line2) line1.pb(u); line2.clear(); line2.push_back(x); } else line2.push_back(x); } vector<int> ans; ans.clear(); if(line2.empty()){ for(auto u : line1) ans.pb(u); return ans; } if(!connected(line1,line2)){ if(sz(line1)<sz(line2)) swap(line1,line2); for(auto u : line1) ans.pb(u); return ans; } if(are_connected({line1.back()},{line2.back()})){ for(auto u : line1) ans.pb(u); reverse(all(line2)); for(auto u : line2) ans.pb(u); return ans; } int l = 0, r = sz(line1)-1; int x = l; deque<int> cur; cur.clear(); for(int i = 0; i < sz(line1); i++){ cur.pb(line1[i]); if(connected(cur,line2)){ x=i; break; } } int y = l; for(int i = 0; i < sz(line2); i++){ cur.pb(line1[i]); if(are_connected({line1[x]},vector<int>(line2))){ y=i; break; } } for(int i = x+1; i<sz(line1); i++) ans.pb(line1[i]); for(int i = 0; i<=x; i++) ans.pb(line1[i]); for(int i = y; i < sz(line2); i++) ans.pb(line2[i]); for(int i = 0; i < y; i++) ans.pb(line2[i]); return ans; }

Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:60:48: error: no matching function for call to 'std::vector<int>::vector(std::deque<int>&)'
   60 |   if(are_connected({line1[x]},vector<int>(line2))){
      |                                                ^
In file included from /usr/include/c++/10/vector:67,
                 from longesttrip.h:1,
                 from longesttrip.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:653:2: 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 = int; _Alloc = std::allocator<int>]'
  653 |  vector(_InputIterator __first, _InputIterator __last,
      |  ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:653:2: note:   template argument deduction/substitution failed:
longesttrip.cpp:60:48: note:   candidate expects 3 arguments, 1 provided
   60 |   if(are_connected({line1[x]},vector<int>(line2))){
      |                                                ^
In file included from /usr/include/c++/10/vector:67,
                 from longesttrip.h:1,
                 from longesttrip.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  625 |       vector(initializer_list<value_type> __l,
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:625:43: note:   no known conversion for argument 1 from 'std::deque<int>' to 'std::initializer_list<int>'
  625 |       vector(initializer_list<value_type> __l,
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  607 |       vector(vector&& __rv, const allocator_type& __m)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:607:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/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 = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>; std::false_type = std::integral_constant<bool, false>]'
  589 |       vector(vector&& __rv, const allocator_type& __m, false_type)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:589:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/10/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 = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>; std::true_type = std::integral_constant<bool, true>]'
  585 |       vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:585:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  575 |       vector(const vector& __x, const allocator_type& __a)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:575:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>]'
  572 |       vector(vector&&) noexcept = default;
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:572:14: note:   no known conversion for argument 1 from 'std::deque<int>' to 'std::vector<int>&&'
  572 |       vector(vector&&) noexcept = default;
      |              ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>]'
  553 |       vector(const vector& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:553:28: note:   no known conversion for argument 1 from 'std::deque<int>' to 'const std::vector<int>&'
  553 |       vector(const vector& __x)
      |              ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/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 = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  522 |       vector(size_type __n, const value_type& __value,
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:522:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  510 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:510:24: note:   no known conversion for argument 1 from 'std::deque<int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
  510 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |              ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  497 |       vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:497:36: note:   no known conversion for argument 1 from 'std::deque<int>' to 'const allocator_type&' {aka 'const std::allocator<int>&'}
  497 |       vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
      |              ~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = int; _Alloc = std::allocator<int>]'
  487 |       vector() = default;
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:487:7: note:   candidate expects 0 arguments, 1 provided
longesttrip.cpp:48:13: warning: unused variable 'r' [-Wunused-variable]
   48 |  int l = 0, r = sz(line1)-1;
      |             ^