# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
583925 | 2022-06-26T13:45:02 Z | PiejanVDC | Toy Train (IOI17_train) | C++17 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h> #include "train.h" using namespace std; vector<int>tim; vector<int>s,a,r; vector<int>adj[15]; vector<int>ans(15,2); int t = 1; bool dfs(int u) { if(ans[u] != 2) return ans[u]; if(tim[u] && !s.empty()) { if(s.back() >= tim[u]) return 1; return 0; } tim[u] = t++; if(r[u]) s.push_back(t-1); bool ok; if(a[u]) { ok = 0; for(auto z : adj[u]) { ok |= dfs(z); if(ok) break; } } else { ok = 1; for(auto z : adj[u]) { ok &= dfs(z); if(!ok) break; } } if(r[u]) s.pop_back(); tim[u] = 0; return ok; } vector<int>who_wins(vector<int>A, vector<int>R, vector<int>u, vector<int>v) { r = R; a = A; int n = r.size(); int m = u.size(); for(int i = 0 ; i < m ; i++) { adj[u[i]].push_back(v[i]); } vector<int>x; for(int i = 0 ; i < x ; i++) x.push_back(i); shuffle(x.begin(),x.end()); for(int y = 0 ; y < n ; y++) { int i = x[y]; t = 1; tim.clear(); tim.resize(n,0); ans[i] = dfs(i); } return ans; }
Compilation message
train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)': train.cpp:63:23: error: no match for 'operator<' (operand types are 'int' and 'std::vector<int>') 63 | for(int i = 0 ; i < x ; i++) | ~ ^ ~ | | | | 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 train.cpp:1: /usr/include/c++/10/bits/regex.h:1075:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1075 | operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1075:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/10/bits/regex.h:1156:5: 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>&)' 1156 | operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1156:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/10/bits/regex.h:1249:5: 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>&)' 1249 | operator<(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1249:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/10/bits/regex.h:1323:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1323 | operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1323:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 63 | for(int i = 0 ; i < x ; i++) | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/10/bits/regex.h:1417:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1417 | operator<(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1417:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/10/bits/regex.h:1492:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1492 | operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1492:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 63 | for(int i = 0 ; i < x ; i++) | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/10/bits/regex.h:1592:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1592 | operator<(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1592:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 489 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::pair<_T1, _T2>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 366 | operator<(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:366:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 404 | operator<(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:404:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1451 | operator<(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1451:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1507 | operator<(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1507:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/string_view:544:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 544 | operator< (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:544:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/string_view:550:5: 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> >)' 550 | operator< (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:550:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/string_view:557:5: 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>)' 557 | operator< (__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:557:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: 'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/basic_string.h:6267:5: 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>&)' 6267 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6267:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/basic_string.h:6280:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 6280 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6280:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ 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 train.cpp:1: /usr/include/c++/10/bits/basic_string.h:6292:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6292 | operator<(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6292:5: note: template argument deduction/substitution failed: train.cpp:63:25: note: mismatched types 'const _CharT*' and 'int' 63 | for(int i = 0 ; i < x ; i++) | ^ In file included from /usr/include/c++/10/bits/ios_base.h:46, 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 train.cpp:1: /usr/include/c++/10/system_error:252:3: note: candidate: 'bool std::operator<(const std::error_code&, const std::error_code&)' 252 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/10/system_error:252:31: note: no known conversion for argument 1 from 'int' to 'const std::error_code&' 252 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/10/system_error:379:3: note: candidate: 'bool std::operator<(const std::error_condition&, const std::error_condition&)' 379 | operator<(const error_condition& __lhs, | ^~~~~~~~ /usr/include/c++/10/system_error:379:36: note: no known conversion for argument 1 from 'int' to 'const std::error_condition&' 379 | operator<(const error_condition& __lhs, | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~ In file included from /usr/include/c++/10/tuple:39, from /usr/include/c++/10/functional:54, 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 train.cpp:1: /usr/include/c++/10/arr