# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
158974 | combi1k1 | Meetings (JOI19_meetings) | 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>
using namespace std;
#define X first
#define Y second
typedef pair<int,int> ii;
void calc(vector<int> Ver,int P) {
int n = Ver.size();
if (n == 1) {
Bridge(Ver[0],P);
return;
}
if (n == 0) return;
vector<ii> Remain;
vector<int> toRoot;
int x = Ver[rand() % n];
for(int a : Ver) {
int u = Query(P,a,x);
if (u == a)
toRoot.push_back(u);
else
Remain.push_back({u,a});
}
sort(Remain.begin(),Remain.end());
sort(toRoot.begin(),toRoot.end(),[&](int x,int y) {
return Query(P,x,y) == x;
});
for(int x : toRoot)
Bridge(x,P),
P = x;
int l = 0;
int r = 0;
for(; l < Remain.size() ;) {
vector<int> vec;
for(; r < Remain.size() && Remain[r].X == Remain[l].X ; ++r);
vec.push_back(Remain[r].Y);
calc(vec, Remain[l].X);
l = r;
}
}
void Solve(int n) {
srand(time(NULL));
vector<int> Ver(n - 1);
iota(Ver.begin(),Ver.end(),1);
calc(Ver,0);
}
Compilation message (stderr)
meetings.cpp: In function 'void calc(std::vector<int>, int)': meetings.cpp:13:9: error: 'Bridge' was not declared in this scope Bridge(Ver[0],P); ^~~~~~ meetings.cpp:13:9: note: suggested alternative: 'fwide' Bridge(Ver[0],P); ^~~~~~ fwide meetings.cpp:24:17: error: 'Query' was not declared in this scope int u = Query(P,a,x); ^~~~~ meetings.cpp: In lambda function: meetings.cpp:33:17: error: 'Query' was not declared in this scope return Query(P,x,y) == x; ^~~~~ meetings.cpp: In function 'void calc(std::vector<int>, int)': meetings.cpp:37:9: error: 'Bridge' was not declared in this scope Bridge(x,P), ^~~~~~ meetings.cpp:37:9: note: suggested alternative: 'fwide' Bridge(x,P), ^~~~~~ fwide meetings.cpp:43:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(; l < Remain.size() ;) { ~~^~~~~~~~~~~~~~~ meetings.cpp:45:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(; r < Remain.size() && Remain[r].X == Remain[l].X ; ++r); ~~^~~~~~~~~~~~~~~ meetings.cpp:45:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(; r < Remain.size() && Remain[r].X == Remain[l].X ; ++r); ^~~ meetings.cpp:46:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' vec.push_back(Remain[r].Y); ^~~ In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0, 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 meetings.cpp:1: /usr/include/c++/7/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Iterator2 = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = calc(std::vector<int>, int)::<lambda(int, int)>]': /usr/include/c++/7/bits/stl_algo.h:81:17: required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1921:34: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1953:38: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1968:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:4868:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = calc(std::vector<int>, int)::<lambda(int, int)>]' meetings.cpp:34:6: required from here /usr/include/c++/7/bits/predefined_ops.h:143:18: error: void value not ignored as it ought to be { return bool(_M_comp(*__it1, *__it2)); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/7/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_comp_iter<_Compare>::operator()(_Value&, _Iterator) [with _Value = int; _Iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = calc(std::vector<int>, int)::<lambda(int, int)>]': /usr/include/c++/7/bits/stl_algo.h:1828:20: required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Val_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1855:36: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1885:25: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1971:31: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:4868:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = calc(std::vector<int>, int)::<lambda(int, int)>]' meetings.cpp:34:6: required from here /usr/include/c++/7/bits/predefined_ops.h:215:11: error: void value not ignored as it ought to be { return bool(_M_comp(__val, *__it)); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/7/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Value = int; _Compare = calc(std::vector<int>, int)::<lambda(int, int)>]': /usr/include/c++/7/bits/stl_heap.h:133:48: required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Distance = long int; _Tp = int; _Compare = __gnu_cxx::__ops::_Iter_comp_val<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_heap.h:237:23: required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Distance = long int; _Tp = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_heap.h:342:22: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1672:23: required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1933:25: required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1948:27: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:1968:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<calc(std::vector<int>, int)::<lambda(int, int)> >]' /usr/include/c++/7/bits/stl_algo.h:4868:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Compare = calc(std::vector<int>, int)::<lambda(int, int)>]' meetings.cpp:34:6: required from here /usr/include/c++/7/bits/predefined_ops.h:177:11: error: void value not ignored as it ought to be { return bool(_M_comp(*__it, __val)); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~