# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
146491 | neki | Toy Train (IOI17_train) | C++14 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "train.h"
#define loop(i, a, b) for(int i=a;i<b;i++)
#define maxn 20100
using namespace std;
vector<int> ba[maxn], fo[maxn], ans, req;
vector<int> who_wins(vector<int> A, vector<int> C, vector<int> U, vector<int> V){
int n=A.size(), m=U.size();
loop(i, 0, m) ba[V[i]].push_back(U[i]), fo[U[i]].push_back(V[i]);
ans.resize(n, 1), req.resize(n);
auto dfs=[&](int u){loop(i, 0, ba[u].size()) ba[u][i]--, if(ba[u][i]==0) dfs(ba[u][i]);};
bool cn=1;
while(cn){
cn=0;
loop(i, 0, n) req[i]=(A[i])? 1:fo[i].size();
loop(i, 0, n) if(c[i]&&ans[i]) dfs(i);
loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1;
}
return ans;
}
Compilation message (stderr)
train.cpp: In lambda function: train.cpp:3:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define loop(i, a, b) for(int i=a;i<b;i++) train.cpp:13:28: auto dfs=[&](int u){loop(i, 0, ba[u].size()) ba[u][i]--, if(ba[u][i]==0) dfs(ba[u][i]);}; ~~~~~~~~~~~~~~~~~~ train.cpp:13:23: note: in expansion of macro 'loop' auto dfs=[&](int u){loop(i, 0, ba[u].size()) ba[u][i]--, if(ba[u][i]==0) dfs(ba[u][i]);}; ^~~~ train.cpp:13:60: error: expected primary-expression before 'if' auto dfs=[&](int u){loop(i, 0, ba[u].size()) ba[u][i]--, if(ba[u][i]==0) dfs(ba[u][i]);}; ^~ train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)': train.cpp:18:22: error: 'c' was not declared in this scope loop(i, 0, n) if(c[i]&&ans[i]) dfs(i); ^ train.cpp:19:25: error: no match for 'operator!=' (operand types are 'std::vector<int>' and 'bool') loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ~~~^~~~~~~~~~~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/bits/regex.h:951:5: note: candidate: template<class _BiIter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&) operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) ^~~~~~~~ /usr/include/c++/7/bits/regex.h:951:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/bits/regex.h:1029:5: 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>&) operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1029:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/bits/regex.h:1109:5: 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>&) operator!=(const sub_match<_Bi_iter>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1109:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/bits/regex.h:1186:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&) operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1186:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'bool' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/bits/regex.h:1260:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*) operator!=(const sub_match<_Bi_iter>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1260:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/bits/regex.h:1337:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&) operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1337:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'bool' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/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&) operator!=(const sub_match<_Bi_iter>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1417:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from train.cpp:1: /usr/include/c++/7/bits/regex.h:1944:5: 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>&) operator!=(const match_results<_Bi_iter, _Alloc>& __m1, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1944:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/iosfwd:40:0, from /usr/include/c++/7/ios:38, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/postypes.h:221:5: note: candidate: template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^~~~~~~~ /usr/include/c++/7/bits/postypes.h:221:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::fpos<_StateT>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0, from /usr/include/c++/7/bits/char_traits.h:39, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/stl_pair.h:456:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^~~~~~~~ /usr/include/c++/7/bits/stl_pair.h:456:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::pair<_T1, _T2>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/char_traits.h:39, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:311:5: note: candidate: template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator!=(const reverse_iterator<_Iterator>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:311:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/char_traits.h:39, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:349:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&) operator!=(const reverse_iterator<_IteratorL>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:349:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/char_traits.h:39, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:1130:5: note: candidate: template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&) operator!=(const move_iterator<_IteratorL>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:1130:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/char_traits.h:39, from /usr/include/c++/7/ios:40, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:1136:5: note: candidate: template<class _Iterator> bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&) operator!=(const move_iterator<_Iterator>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:1136:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/string:41:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/allocator.h:158:5: note: candidate: template<class _T1, class _T2> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&) operator!=(const allocator<_T1>&, const allocator<_T2>&) ^~~~~~~~ /usr/include/c++/7/bits/allocator.h:158:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::allocator<_CharT>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/string:41:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/allocator.h:164:5: note: candidate: template<class _Tp> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_CharT>&) operator!=(const allocator<_Tp>&, const allocator<_Tp>&) ^~~~~~~~ /usr/include/c++/7/bits/allocator.h:164:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::allocator<_CharT>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/string:52:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/basic_string.h:6044:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/basic_string.h:6044:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/string:52:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from train.cpp:1: /usr/include/c++/7/bits/basic_string.h:6057:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator!=(const _CharT* __lhs, ^~~~~~~~ /usr/include/c++/7/bits/basic_string.h:6057:5: note: template argument deduction/substitution failed: train.cpp:19:36: note: mismatched types 'const _CharT*' and 'std::vector<int>' loop(i, 0, n) if(ans!=(req[i]<1)) ans=(req[i]<1), cn=1; ^ In file included from /usr/include/c++/7/string:52:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,