Submission #1114172

#TimeUsernameProblemLanguageResultExecution timeMemory
1114172vjudge1Nice sequence (IZhO18_sequence)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using i64 = long long; #ifdef DEBUG #include "/home/ahmetalp/Desktop/Workplace/debug.h" #else #define debug(...) void(23) #endif constexpr int INF = int(1E9) - 5; constexpr int C = 1000; void print(bool s, std::vector<int> x) { int n = int(x.size()); std::cout << n << '\n'; for (int i = 0; i < n; ++i) { std::cout << (s ? -1 : +1) * x[i] << " \n"[i == n - 1]; } } void solve() { int N, M; std::cin >> N >> M; bool swapped = false; if (N < M) { swapped = true; std::swap(N, M); } if (N % M == 0) { std::vector<int> p(N - 1); for (int i = 0; i < N - 1; ++i) { p[i] = 1; } print(swapped, p); } else { std::vector<std::vector<int>> adj, pre, ans, ein; auto check = [&](int n, bool save) -> std::pair<bool, std::vector<int>> { adj.assign(n + 1, {}); pre.assign(n + 1, 0); ans.assign(n, 0); ein.assign(n + 1, 0); for (int i = 0; i <= n; ++i) { if (i - N >= 0) { adj[i].emplace_back(i - N); ++ein[i - N]; } if (i + M <= n) { adj[i].emplace_back(i + M); ++ein[i + M]; } } int cur = 0; std::queue<int> que; for (int i = 0; i <= n; ++i) { if (ein[i] == 0) { pre[i] = (++cur) * C; que.emplace(i); } } while (!que.empty()) { int v = que.front(); que.pop(); for (auto u : adj[v]) { --ein[u]; pre[u] = std::max(pre[u], pre[v] + 1); if (ein[u] == 0) { que.emplace(u); } } } for (int i = n; i >= 0; --i) { if (pre[i] == 0) { return {false, {}}; } pre[i] -= pre[0]; } if (!save) { return {true, {}}; } for (int i = 0; i < n; ++i) { ans[i] = pre[i + 1] - pre[i]; } return {true, ans}; }; int lo = 0, hi = N + M; while (lo < hi) { int mid = (lo + hi + 1) >> 1; if (check(mid, false).first) { lo = mid; } else { hi = mid - 1; } } print(swapped, check(lo, true).second); } return; } int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); int TT = 1; std::cin >> TT; for (int i = 1; i <= TT; ++i) { solve(); } return 0; }

Compilation message (stderr)

sequence.cpp: In lambda function:
sequence.cpp:42:32: error: no matching function for call to 'std::vector<std::vector<int> >::assign(int, int)'
   42 |             pre.assign(n + 1, 0);
      |                                ^
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 sequence.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:749:7: note: candidate: 'void std::vector<_Tp, _Alloc>::assign(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
  749 |       assign(size_type __n, const value_type& __val)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:749:47: note:   no known conversion for argument 2 from 'int' to 'const value_type&' {aka 'const std::vector<int>&'}
  749 |       assign(size_type __n, const value_type& __val)
      |                             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/bits/stl_vector.h:768:2: note: candidate: 'template<class _InputIterator, class> void std::vector<_Tp, _Alloc>::assign(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >]'
  768 |  assign(_InputIterator __first, _InputIterator __last)
      |  ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:768:2: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:65,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/stl_iterator_base_types.h: In substitution of 'template<class _InIter> using _RequireInputIter = std::__enable_if_t<std::is_convertible<typename std::iterator_traits< <template-parameter-1-1> >::iterator_category, std::input_iterator_tag>::value> [with _InIter = int]':
/usr/include/c++/10/bits/stl_vector.h:766:9:   required from here
/usr/include/c++/10/bits/stl_iterator_base_types.h:249:11: error: no type named 'iterator_category' in 'struct std::iterator_traits<int>'
  249 |     using _RequireInputIter =
      |           ^~~~~~~~~~~~~~~~~
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 sequence.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:794:7: note: candidate: 'void std::vector<_Tp, _Alloc>::assign(std::initializer_list<_Tp>) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >]'
  794 |       assign(initializer_list<value_type> __l)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:794:7: note:   candidate expects 1 argument, 2 provided
sequence.cpp:43:28: error: no matching function for call to 'std::vector<std::vector<int> >::assign(int&, int)'
   43 |             ans.assign(n, 0);
      |                            ^
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 sequence.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:749:7: note: candidate: 'void std::vector<_Tp, _Alloc>::assign(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
  749 |       assign(size_type __n, const value_type& __val)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:749:47: note:   no known conversion for argument 2 from 'int' to 'const value_type&' {aka 'const std::vector<int>&'}
  749 |       assign(size_type __n, const value_type& __val)
      |                             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/bits/stl_vector.h:768:2: note: candidate: 'template<class _InputIterator, class> void std::vector<_Tp, _Alloc>::assign(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >]'
  768 |  assign(_InputIterator __first, _InputIterator __last)
      |  ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:768:2: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/stl_vector.h:794:7: note: candidate: 'void std::vector<_Tp, _Alloc>::assign(std::initializer_list<_Tp>) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >]'
  794 |       assign(initializer_list<value_type> __l)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:794:7: note:   candidate expects 1 argument, 2 provided
sequence.cpp:44:32: error: no matching function for call to 'std::vector<std::vector<int> >::assign(int, int)'
   44 |             ein.assign(n + 1, 0);
      |                                ^
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 sequence.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:749:7: note: candidate: 'void std::vector<_Tp, _Alloc>::assign(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
  749 |       assign(size_type __n, const value_type& __val)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:749:47: note:   no known conversion for argument 2 from 'int' to 'const value_type&' {aka 'const std::vector<int>&'}
  749 |       assign(size_type __n, const value_type& __val)
      |                             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/bits/stl_vector.h:768:2: note: candidate: 'template<class _InputIterator, class> void std::vector<_Tp, _Alloc>::assign(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >]'
  768 |  assign(_InputIterator __first, _InputIterator __last)
      |  ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:768:2: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/stl_vector.h:794:7: note: candidate: 'void std::vector<_Tp, _Alloc>::assign(std::initializer_list<_Tp>) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >]'
  794 |       assign(initializer_list<value_type> __l)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:794:7: note:   candidate expects 1 argument, 2 provided
sequence.cpp:48:21: error: no match for 'operator++' (operand type is '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'})
   48 |                     ++ein[i - N];
sequence.cpp:52:21: error: no match for 'operator++' (operand type is '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'})
   52 |                     ++ein[i + M];
sequence.cpp:59:28: error: no match for 'operator==' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'int')
   59 |                 if (ein[i] == 0) {
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:1035:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1035 |     operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1035:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:1131:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
 1131 |     operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1131:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:1206:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1206 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1206:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:1298:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1298 |     operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1298:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:1373:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1373 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1373:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:1466:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1466 |     operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1466:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:1545:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1545 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1545:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/regex.h:2101:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)'
 2101 |     operator==(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2101:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:466:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  466 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:466:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::pair<_T1, _T2>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  360 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:360:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  398 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:398:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   59 |                 if (ein[i] == 0) {
      |                               ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from sequence.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1427 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note:   template argument deduction/substitution failed:
sequence.cpp:59:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::move_iterat