Submission #988830

#	Time	Username	Problem	Language	Result	Execution time	Memory
988830		HienTD	Advertisement 2 (JOI23_ho_t2)	C++11	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.
Main
#include <cstdio> #include <vector> #include <utility> #include <algorithm> int ri() { int n; scanf("%d", &n); return n; } int main() { int N = ri(); std::vector<std::pair<int, int> > points(N); for (int i = 0; i < N; i++) { int X = ri(); int E = ri(); points[i] = {X - E, X + E}; // {a[i], b[i]} } // aåŒã˜ãªã‚‰bé™é †ã«ã™ã‚‹ã¨ã€aãŒåŒã˜ã‚„ã¤ã§è¤‡æ•°å›žbã®æœ€å¤§å€¤ã‚’æ›´æ–°ã—ã¦ã—ã¾ã£ãŸã‚Šã—ãªããªã‚‹ std::sort(points.begin(), points.end(), [] (auto &i, auto &j) { if (i.first != j.first) return i.first < j.first; return i.second > j.second; }); int max = -1; int cnt = 0; for (auto i : points) if (max < i.second) max = i.second, cnt++; printf("%d\n", cnt); return 0; }
Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:22:46: error: use of 'auto' in lambda parameter declaration only available with '-std=c++14' or '-std=gnu++14'
   22 |  std::sort(points.begin(), points.end(), [] (auto &i, auto &j) {
      |                                              ^~~~
Main.cpp:22:55: error: use of 'auto' in lambda parameter declaration only available with '-std=c++14' or '-std=gnu++14'
   22 |  std::sort(points.begin(), points.end(), [] (auto &i, auto &j) {
      |                                                       ^~~~
Main.cpp: In lambda function:
Main.cpp:23:9: error: request for member 'first' in 'i', which is of non-class type 'int'
   23 |   if (i.first != j.first) return i.first < j.first;
      |         ^~~~~
Main.cpp:23:20: error: request for member 'first' in 'j', which is of non-class type 'int'
   23 |   if (i.first != j.first) return i.first < j.first;
      |                    ^~~~~
Main.cpp:23:36: error: request for member 'first' in 'i', which is of non-class type 'int'
   23 |   if (i.first != j.first) return i.first < j.first;
      |                                    ^~~~~
Main.cpp:23:46: error: request for member 'first' in 'j', which is of non-class type 'int'
   23 |   if (i.first != j.first) return i.first < j.first;
      |                                              ^~~~~
Main.cpp:24:12: error: request for member 'second' in 'i', which is of non-class type 'int'
   24 |   return i.second > j.second;
      |            ^~~~~~
Main.cpp:24:23: error: request for member 'second' in 'j', which is of non-class type 'int'
   24 |   return i.second > j.second;
      |                       ^~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
                 from /usr/include/c++/10/vector:60,
                 from Main.cpp:2:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Iterator2 = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = main()::<lambda(int&, int&)>]':
/usr/include/c++/10/bits/stl_algo.h:1846:14:   required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1886:25:   required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1977:31:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:4892:18:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = main()::<lambda(int&, int&)>]'
Main.cpp:25:3:   required from here
/usr/include/c++/10/bits/predefined_ops.h:156:30: error: no match for call to '(main()::<lambda(int&, int&)>) (std::pair<int, int>&, std::pair<int, int>&)'
  156 |         { return bool(_M_comp(*__it1, *__it2)); }
      |                       ~~~~~~~^~~~~~~~~~~~~~~~
Main.cpp:22:42: note: candidate: 'main()::<lambda(int&, int&)>'
   22 |  std::sort(points.begin(), points.end(), [] (auto &i, auto &j) {
      |                                          ^
Main.cpp:22:42: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'int&'
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
                 from /usr/include/c++/10/vector:60,
                 from Main.cpp:2:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_comp_iter<_Compare>::operator()(_Value&, _Iterator) [with _Value = std::pair<int, int>; _Iterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = main()::<lambda(int&, int&)>]':
/usr/include/c++/10/bits/stl_algo.h:1826:20:   required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Val_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1854:36:   required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1886:25:   required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1977:31:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:4892:18:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = main()::<lambda(int&, int&)>]'
Main.cpp:25:3:   required from here
/usr/include/c++/10/bits/predefined_ops.h:238:23: error: no match for call to '(main()::<lambda(int&, int&)>) (std::pair<int, int>&, std::pair<int, int>&)'
  238 |  { return bool(_M_comp(__val, *__it)); }
      |                ~~~~~~~^~~~~~~~~~~~~~
Main.cpp:22:42: note: candidate: 'main()::<lambda(int&, int&)>'
   22 |  std::sort(points.begin(), points.end(), [] (auto &i, auto &j) {
      |                                          ^
Main.cpp:22:42: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'int&'
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
                 from /usr/include/c++/10/vector:60,
                 from Main.cpp:2:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Value = std::pair<int, int>; _Compare = main()::<lambda(int&, int&)>]':
/usr/include/c++/10/bits/stl_heap.h:139:48:   required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Distance = long int; _Tp = std::pair<int, int>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_heap.h:246:23:   required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Distance = long int; _Tp = std::pair<int, int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_heap.h:355:22:   required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1666:23:   required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1937:25:   required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1953:27:   required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:1974:25:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(int&, int&)> >]'
/usr/include/c++/10/bits/stl_algo.h:4892:18:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = main()::<lambda(int&, int&)>]'
Main.cpp:25:3:   required from here
/usr/include/c++/10/bits/predefined_ops.h:194:23: error: no match for call to '(main()::<lambda(int&, int&)>) (std::pair<int, int>&, std::pair<int, int>&)'
  194 |  { return bool(_M_comp(*__it, __val)); }
      |                ~~~~~~~^~~~~~~~~~~~~~
Main.cpp:22:42: note: candidate: 'main()::<lambda(int&, int&)>'
   22 |  std::sort(points.begin(), points.end(), [] (auto &i, auto &j) {
      |                                          ^
Main.cpp:22:42: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'int&'
Main.cpp: In function 'int ri()':
Main.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~