Submission #307620

#TimeUsernameProblemLanguageResultExecution timeMemory
307620TeaTimeSemiexpress (JOI17_semiexpress)C++17
Compilation error
0 ms0 KiB
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <set> #include <map> #include <queue> #include <random> #include <chrono> #include <tuple> #include <random> #include <cmath> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef long double ld; #define fastInp cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0); const ll SIZE = 1e6 * 2 + 10, INF = 1e9 * 1e9 + 10; vector<ll> vec; ll dpAns[10000][2], dpt[SIZE], good[SIZE]; ll n, m, k, a, b, c; void add(int curInd, int us, int s) { for (int i = k; i >= 0; i--) { if (i - us >= 0) { dpAns[i][curInd] = max(dpAns[i][curInd], dpAns[i - us][!curInd] + s); } } } void solve() { cin >> a >> b >> c; ll t; cin >> t; vec.resize(m); for (auto &cur : vec) cin >> cur; good[1] = 1; ll lastI = -1, curInd = 0; for (int i = 1; i <= n; i++) { dpt[i] = dpt[i - 1] + a; if (vec[lastI + 1] == i) { good[i] = 1; if (i == 1) { dpt[i] = 0; lastI++; continue; } dpt[i] = min(dpt[i], min(dpt[vec[lastI]] + c * (i - vec[lastI]), dpt[vec[lastI]] + b * (i - vec[lastI]))); lastI++; } } k -= m; ll ans = 0, added = 0, lastPos = 1, s = 0; for (int i = 1; i <= n; i++) { if (dpt[i] <= t) { ans++; } else { s++; } dpt[i] = min(dpt[i], dpt[i - 1] + a); if (dpt[i] > t) { added++; dpt[i] = dpt[lastPos] + c * (i - lastPos); lastPos = i; } if (dpt[i] <= t) { add(curInd, added, s); } if (good[i]) { lastPos = i; curInd = !curInd; for (int j = 0; j <= k; j++) dpAns[j][curInd] = dpAns[j][!curInd]; s = 0; added = 0; } } s = 0; for (int i = 0; i <= k; i++) s = max(s, dpAns[i][curInd]); cout << ans + s - 1; } int main() { fastInp; cin >> n >> m >> k; solve(); return 0; if (n <= 310) { solve(); return 0; } cin >> a >> b >> c; ll t; cin >> t; vec.resize(m); for (auto &cur : vec) cin >> cur; ll ans = 0; set<ll> addt; for (int i = 0; i < vec.size(); i++) { ll lastInd = vec[i], lastIndT = (vec[i] - 1) * b; while (addt.size() != 0 && addt.size() > k) { addt.erase(--addt.end()); } for (int j = 0; j < k; j++) { if (lastIndT > t) break; ll l = lastInd, r = n + 1; if (i < vec.size() - 1 && lastInd >= vec[i + 1]) break; while (r - l > 1) { ll mid = (l + r) / 2; if (lastIndT + (mid - lastInd) * a > t) { r = mid; } else { l = mid; } } if (l == lastInd) { if (j != 0) { addt.insert(-1); } else ans++; l++; lastIndT += (l - lastInd) * c; continue; } if (i < vec.size() - 1 && l >= vec[i + 1]) { if (j != 0) { addt.insert(-(vec[i + 1] - lastInd)); } else ans += vec[i + 1] - lastInd; break; } l++; lastIndT += (l - lastInd) * c; if (j != 0) { addt.insert(-(l - lastInd)); } else ans += l - lastInd; lastInd = l; } } k -= m; sort(addt.rbegin(), addt.rend()); ll s = 0; for (int i = 0; i < min(ull(addt.size()), ull(k)); i++) { s += abs(*addt.begin()); addt.erase(addt.begin()); } cout << ans + s - 1; return 0; } /* 10 3 5 10 3 5 30 1 6 10 10 3 5 10 3 5 25 1 6 10 90 10 12 100000 1000 10000 10000 1 10 20 30 40 50 60 70 80 90 12 3 4 10 1 2 30 1 11 12 300 8 16 345678901 123456789 234567890 12345678901 1 10 77 82 137 210 297 300 1000000000 2 3000 1000000000 1 2 1000000000 1 1000000000 */

Compilation message (stderr)

semiexpress.cpp: In function 'int main()':
semiexpress.cpp:115:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  115 |  for (int i = 0; i < vec.size(); i++) {
      |                  ~~^~~~~~~~~~~~
semiexpress.cpp:117:42: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
  117 |   while (addt.size() != 0 && addt.size() > k) {
      |                              ~~~~~~~~~~~~^~~
semiexpress.cpp:123:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |    if (i < vec.size() - 1 && lastInd >= vec[i + 1]) break;
      |        ~~^~~~~~~~~~~~~~~~
semiexpress.cpp:143:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  143 |    if (i < vec.size() - 1 && l >= vec[i + 1]) {
      |        ~~^~~~~~~~~~~~~~~~
semiexpress.cpp:164:20: warning: comparison of integer expressions of different signedness: 'int' and 'const long long unsigned int' [-Wsign-compare]
  164 |  for (int i = 0; i < min(ull(addt.size()), ull(k)); i++) {
      |                  ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/9/algorithm:62,
                 from semiexpress.cpp:4:
/usr/include/c++/9/bits/stl_algo.h: In instantiation of 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/9/bits/stl_algo.h:4867:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >]'
semiexpress.cpp:162:33:   required from here
/usr/include/c++/9/bits/stl_algo.h:1968:22: error: no match for 'operator-' (operand types are 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >' and 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >')
 1968 |     std::__lg(__last - __first) * 2,
      |               ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from semiexpress.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:276:7: note: candidate: 'constexpr std::reverse_iterator<_Iterator> std::reverse_iterator<_Iterator>::operator-(std::reverse_iterator<_Iterator>::difference_type) const [with _Iterator = std::_Rb_tree_const_iterator<long long int>; std::reverse_iterator<_Iterator>::difference_type = long int]'
  276 |       operator-(difference_type __n) const
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:276:33: note:   no known conversion for argument 1 from 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >' to 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::difference_type' {aka 'long int'}
  276 |       operator-(difference_type __n) const
      |                 ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_iterator.h:415:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  415 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:415:5: note:   template argument deduction/substitution failed:
/usr/include/c++/9/bits/stl_iterator.h: In substitution of 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&) [with _IteratorL = std::_Rb_tree_const_iterator<long long int>; _IteratorR = std::_Rb_tree_const_iterator<long long int>]':
/usr/include/c++/9/bits/stl_algo.h:1968:22:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/9/bits/stl_algo.h:4867:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >]'
semiexpress.cpp:162:33:   required from here
/usr/include/c++/9/bits/stl_iterator.h:417:28: error: no match for 'operator-' (operand types are 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::iterator_type' {aka 'std::_Rb_tree_const_iterator<long long int>'} and 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::iterator_type' {aka 'std::_Rb_tree_const_iterator<long long int>'})
  417 |     -> decltype(__y.base() - __x.base())
/usr/include/c++/9/bits/stl_iterator.h:415:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  415 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:415:5: note:   template argument deduction/substitution failed:
/usr/include/c++/9/bits/stl_iterator.h:417:28: note:   'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::iterator_type' {aka 'std::_Rb_tree_const_iterator<long long int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
  417 |     -> decltype(__y.base() - __x.base())
/usr/include/c++/9/bits/stl_iterator.h:1212:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1212 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1212:5: note:   template argument deduction/substitution failed:
/usr/include/c++/9/bits/stl_iterator.h:417:28: note:   'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::iterator_type' {aka 'std::_Rb_tree_const_iterator<long long int>'} is not derived from 'const std::move_iterator<_IteratorL>'
  417 |     -> decltype(__y.base() - __x.base())
In file included from /usr/include/c++/9/vector:68,
                 from semiexpress.cpp:2:
/usr/include/c++/9/bits/stl_bvector.h:214:3: note: candidate: 'std::ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)'
  214 |   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
      |   ^~~~~~~~
/usr/include/c++/9/bits/stl_bvector.h:214:39: note:   no known conversion for argument 1 from 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::iterator_type' {aka 'std::_Rb_tree_const_iterator<long long int>'} to 'const std::_Bit_iterator_base&'
  214 |   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/c++/9/queue:60,
                 from semiexpress.cpp:7:
/usr/include/c++/9/bits/stl_deque.h:370:5: note: candidate: 'template<class _Tp, class _Ref, class _Ptr> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)'
  370 |     operator-(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:370:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from semiexpress.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:417:28: note:   'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::iterator_type' {aka 'std::_Rb_tree_const_iterator<long long int>'} is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
  417 |     -> decltype(__y.base() - __x.base())
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/c++/9/queue:60,
                 from semiexpress.cpp:7:
/usr/include/c++/9/bits/stl_deque.h:382:5: note: candidate: 'template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)'
  382 |     operator-(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:382:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from semiexpress.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:417:28: note:   'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >::iterator_type' {aka 'std::_Rb_tree_const_iterator<long long int>'} is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
  417 |     -> decltype(__y.base() - __x.base())
/usr/include/c++/9/bits/stl_algo.h: In instantiation of 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/9/bits/stl_algo.h:4867:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >]'
semiexpress.cpp:162:33:   required from here
/usr/include/c++/9/bits/stl_iterator.h:1212:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1212 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1212:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/algorithm:62,
                 from semiexpress.cpp:4:
/usr/include/c++/9/bits/stl_algo.h:1968:22: note:   'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >' is not derived from 'const std::move_iterator<_IteratorL>'
 1968 |     std::__lg(__last - __first) * 2,
      |               ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/9/vector:68,
                 from semiexpress.cpp:2:
/usr/include/c++/9/bits/stl_bvector.h:214:3: note: candidate: 'std::ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)'
  214 |   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
      |   ^~~~~~~~
/usr/include/c++/9/bits/stl_bvector.h:214:39: note:   no known conversion for argument 1 from 'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >' to 'const std::_Bit_iterator_base&'
  214 |   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/c++/9/queue:60,
                 from semiexpress.cpp:7:
/usr/include/c++/9/bits/stl_deque.h:370:5: note: candidate: 'template<class _Tp, class _Ref, class _Ptr> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)'
  370 |     operator-(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:370:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/algorithm:62,
                 from semiexpress.cpp:4:
/usr/include/c++/9/bits/stl_algo.h:1968:22: note:   'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
 1968 |     std::__lg(__last - __first) * 2,
      |               ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/c++/9/queue:60,
                 from semiexpress.cpp:7:
/usr/include/c++/9/bits/stl_deque.h:382:5: note: candidate: 'template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)'
  382 |     operator-(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:382:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/algorithm:62,
                 from semiexpress.cpp:4:
/usr/include/c++/9/bits/stl_algo.h:1968:22: note:   'std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
 1968 |     std::__lg(__last - __first) * 2,
      |               ~~~~~~~^~~~~~~~~