# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
532428 | 2022-03-02T21:38:45 Z | Icebear16 | Fountain Parks (IOI21_parks) | C++17 | Compilation error |
0 ms | 0 KB |
#include "parks.h" #include <bits/stdc++.h> int construct_roads(std::vector<int> x, std::vector<int> y) { if (x.size() == 1) { build({}, {}, {}, {}); return 1; }else{ std::vector<int> u, v, a, b; std::vector<std::pair<int,int>> A; for(int i=0;i<x.size();i++){ A.push_back(std::make_pair((x[i]+2*y[i]),i)); } sort(A.begin(),A.end()); int r=x.size()-1; int m=y[A[0].second]; int w=y[A[r].second]; int e=((w-m)/2)+1; std::vector<int> B(e,-1); std::vector<int> C(e,-1); for(int i=0;i<x.size();i++){ if(x[i]==2){ B[(y[i]-m)/2]=i; }else{ C[(y[i]-m)/2]=i; } } bool flag=true; for(int i=0;i<e;i++){ if(B[i]==-1 && C[i]==-1){ flag=false; break; } } if(flag==true){ for(int i=0;i<e;i++){ if(B[i]>=0 && C[i]>=0){ u.push_back(B[i]); v.push_back(C[i]); a.push_back(3); b.push_back((i*2)+m+1); } if(B[i]>=0 && B[i+1]>=0 && (i+1)!=e){ u.push_back(B[i]); v.push_back(B[i+1]); a.push_back(1); b.push_back((i*2)+m+1); } if(C[i]>=0 && C[i+1]>=0 && (i+1)!=e){ u.push_back(C[i]); v.push_back(C[i+1]); a.push_back(5); b.push_back((i*2)+m+1); } } if(abs(x[0]-x[1])+abs(y[0]-y[1])==2){ if(x[0]==x[1]){ u.push_back(0); v.push_back(1); if(x==2){ a.push_back(1); }else{ a.push_back(5); } b.push_back((y[0]+y[1])/2); }else{ u.push_back(0); v.push_back(1); a.push_back(3); b.push_back(y[0]+1); } } build(u, v, a, b); return 1; }else{ return 0; } } } //4 //2 0 //2 2 //2 4 //2 6 //8 //4 8 //4 10 //2 6 //2 10 //2 4 //2 8 //4 4 //4 2
Compilation message
parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)': parks.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i=0;i<x.size();i++){ | ~^~~~~~~~~ parks.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=0;i<x.size();i++){ | ~^~~~~~~~~ parks.cpp:59:13: error: no match for 'operator==' (operand types are 'std::vector<int>' and 'int') 59 | if(x==2){ | ~^~~ | | | | | int | std::vector<int> In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from parks.cpp:2: /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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/vector:60, from parks.h:1, from parks.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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::pair<_T1, _T2>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from parks.h:1, from parks.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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from parks.h:1, from parks.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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from parks.h:1, from parks.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: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from parks.h:1, from parks.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1495 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/vector:64, from parks.h:1, from parks.cpp:1: /usr/include/c++/10/bits/allocator.h:206:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_Tp1>&, const std::allocator<_T2>&)' 206 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/10/bits/allocator.h:206:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::allocator<_Tp1>' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/vector:67, from parks.h:1, from parks.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1892:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)' 1892 | operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1892:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: mismatched types 'const std::vector<_Tp, _Alloc>' and 'int' 59 | if(x==2){ | ^ In file included from /usr/include/c++/10/iosfwd:40, from /usr/include/c++/10/ios:38, 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 parks.cpp:2: /usr/include/c++/10/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)' 222 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/postypes.h:222:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::fpos<_StateT>' 59 | if(x==2){ | ^ 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 parks.cpp:2: /usr/include/c++/10/string_view:490:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 490 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:490:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 59 | if(x==2){ | ^ 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 parks.cpp:2: /usr/include/c++/10/string_view:496:5: 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> >)' 496 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:496:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 59 | if(x==2){ | ^ 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 parks.cpp:2: /usr/include/c++/10/string_view:519:5: 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>)' 519 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:519:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 59 | if(x==2){ | ^ 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 parks.cpp:2: /usr/include/c++/10/bits/basic_string.h:6153:5: 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>&)' 6153 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6153:5: note: template argument deduction/substitution failed: parks.cpp:59:15: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 59 | if(x==2){ | ^ 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 parks.cpp:2: /usr/include/c++/10/bits/basic_string.h:6161:5: note: candidate: 'template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)' 6161 | operator==(const basic_string<_CharT>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6161:5: note: template argument deduction