# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1015627 | 2024-07-06T15:37:22 Z | nam6 | Radio Towers (IOI22_towers) | C++17 | Compilation error |
0 ms | 0 KB |
#include "towers.h" #include<bits/stdc++.h> using namespace std; int sommet; vector<int> altitudes; vector< pair<int, int> > intervalle; set<int> choisis; const int DECA = 1<<17; int arbre[2*DECA]; void modif(int pos, int val){ pos+=DECA; arbre[pos] = val; while(pos > 1){ pos/=2; arbre[pos] = max(arbre[2*pos], arbre[2*pos+1]); } } int calcMax(int deb, int fin){ if(deb==fin) return arbre[fin]; if(deb%2==1) return max(arbre[deb], calcMax(deb+1, fin)); if(fin%2==0) return max(calcMax(deb, fin-1), fin); return calcMax(deb/2, fin/2); } void init(int N, vector<int> H) { altitudes = H; } int max_towers(int L, int R, int D) { for(int pos=L; pos<=R; pos++){ intervalle.push_back({altitudes[pos],pos}); modif(pos, altitudes[pos]); } sort(intervalle.begin(), intervalle.end()); for(int i=0; i<intervalle.size(); i++){ bool estOk = true; if(intervalle[i].second > choisis.begin()){ auto igauche = choisis.lower_bound(intervalle[i].second); igauche--; int gauche = *igauche; int maxiGauche = calcMax(gauche + DECA, intervalle[i].second+DECA); if(maxiGauche - intervalle[i].first < D){ estOk = false; } } if(intervalle[i].second < choisis.rbegin()){ auto idroite = choisis.lower_bound(intervalle[i].second); int droite = *idroite; int maxiDroite = calcMax(intervalle[i].second+DECA, droite+DECA); if(maxiDroite-intervalle[i].first < D){ estOk = false; } } if(estOk){ choisis.insert(intervalle[i].second); } } return choisis.size(); }
Compilation message
towers.cpp: In function 'int max_towers(int, int, int)': towers.cpp:42:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int i=0; i<intervalle.size(); i++){ | ~^~~~~~~~~~~~~~~~~~ towers.cpp:45:29: error: no match for 'operator>' (operand types are 'int' and 'std::set<int>::iterator' {aka 'std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>, std::allocator<int> >::const_iterator'}) 45 | if(intervalle[i].second > choisis.begin()){ | ^ ~~~~~~~~~~~~~~~ | | | std::set<int>::iterator {aka std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>, std::allocator<int> >::const_iterator} In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from towers.cpp:2: /usr/include/c++/10/bits/regex.h:1108:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1108 | operator>(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1108:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from towers.cpp:2: /usr/include/c++/10/bits/regex.h:1168:5: 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>&)' 1168 | operator>(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1168:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from towers.cpp:2: /usr/include/c++/10/bits/regex.h:1261:5: 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>&)' 1261 | operator>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1261:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from towers.cpp:2: /usr/include/c++/10/bits/regex.h:1335:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1335 | operator>(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1335:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: 'std::set<int>::iterator' {aka 'std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>, std::allocator<int> >::const_iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from towers.cpp:2: /usr/include/c++/10/bits/regex.h:1429:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1429 | operator>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1429:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from towers.cpp:2: /usr/include/c++/10/bits/regex.h:1505:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1505 | operator>(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1505:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: 'std::set<int>::iterator' {aka 'std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>, std::allocator<int> >::const_iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from towers.cpp:2: /usr/include/c++/10/bits/regex.h:1605:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1605 | operator>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1605:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/vector:60, from towers.h:1, from towers.cpp:1: /usr/include/c++/10/bits/stl_pair.h:502:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 502 | operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:502:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::pair<_T1, _T2>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from towers.h:1, from towers.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:378:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 378 | operator>(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:378:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from towers.h:1, from towers.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:416:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 416 | operator>(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:416:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from towers.h:1, from towers.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1469:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1469 | operator>(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1469:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from towers.h:1, from towers.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1519:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1519 | operator>(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1519:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/vector:67, from towers.h:1, from towers.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1943:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator>(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)' 1943 | operator>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1943:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::vector<_Tp, _Alloc>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/basic_string.h:48, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from towers.cpp:2: /usr/include/c++/10/string_view:563:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 563 | operator> (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:563:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/basic_string.h:48, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from towers.cpp:2: /usr/include/c++/10/string_view:569:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)' 569 | operator> (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:569:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/bits/basic_string.h:48, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from towers.cpp:2: /usr/include/c++/10/string_view:576:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)' 576 | operator> (__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:576:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: 'std::_Rb_tree_const_iterator<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from towers.cpp:2: /usr/include/c++/10/bits/basic_string.h:6305:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6305 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6305:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from towers.cpp:2: /usr/include/c++/10/bits/basic_string.h:6318:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 6318 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6318:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 45 | if(intervalle[i].second > choisis.begin()){ | ^ In file included from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from towers.cpp:2: /usr/include/c++/10/bits/basic_string.h:6330:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6330 | operator>(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6330:5: note: template argument deduction/substitution failed: towers.cpp:45:45: note: mismatched types 'const _CharT*' and 'int' 45 | if(intervalle[i].secon