| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 619766 | Sergio_2357 | Simurgh (IOI17_simurgh) | C++17 | 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 "simurgh.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
struct DSU {
vi v, sz;
int cg;
int find(int x)
{
if (v[x] == -1)
return x;
v[x] = find(v[x]);
return v[x];
}
void join(int a, int b)
{
a = find(a);
b = find(b);
if (a == b)
return;
cg--;
if (sz[a] > sz[b])
swap(a, b);
v[a] = b;
sz[b] += sz[a];
}
DSU(int n)
{
v = vi(n + 10, -1);
sz = vi(n + 10, 1);
cg = n;
}
};
bool test(vi u, vi v)
{
DSU dsu(u.size());
for (int i = 0; i < u.size(); i++)
dsu.join(u[i], v[i]);
return dsu.cg == 1;
}
vi to_list(int b, int ma)
{
vi r;
for (int i = 0; i < ma; i++) {
if (b & (1ll << i))
r.push_back(i);
}
return r;
}
vi find_roads(int n, vi u, vi v)
{
//cout << "YES" << endl;
for (int b = 0; b < (1ll << (u.size())); b++) {
vi tu, tv;
vi lst = to_list(b, u.size());
for (int x : lst) {
tu.push_back(u[x]);
tv.push_back(v[x]);
}
if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
int x = 0;
while (true) {
x++;
}
return lst;
}
}
int x = 0;
while (true) {
x++;
}
return to_list((1ll << (n - 1)) - 1, n);
}
Compilation message (stderr)
simurgh.cpp: In function 'bool test(vi, vi)':
simurgh.cpp:41:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for (int i = 0; i < u.size(); i++)
| ~~^~~~~~~~~~
simurgh.cpp: In function 'vi find_roads(int, vi, vi)':
simurgh.cpp:66:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ~~~~~~~~~~~^~~~~~~~
simurgh.cpp:66:77: error: no match for 'operator==' (operand types are 'int' and 'vi' {aka 'std::vector<int>'})
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ~~~~~~~~~~~~~~~~~~~~~~~ ^~ ~~~~~
| | |
| int vi {aka 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 simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from simurgh.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:
simurgh.cpp:66:84: note: 'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from simurgh.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:
simurgh.cpp:66:84: note: 'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::match_results<_BiIter, _Alloc>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/vector:60,
from simurgh.h:1,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::pair<_T1, _T2>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from simurgh.h:1,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from simurgh.h:1,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from simurgh.h:1,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from simurgh.h:1,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/vector:64,
from simurgh.h:1,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::allocator<_Tp1>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
In file included from /usr/include/c++/10/vector:67,
from simurgh.h:1,
from simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::vector<_Tp, _Alloc>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
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 simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'const std::fpos<_StateT>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
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 simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
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 simurgh.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:
simurgh.cpp:66:84: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) {
| ^
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 simurgh.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::