| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 572162 | fuad27 | Connecting Supertrees (IOI20_supertrees) | 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 "supertrees.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
int construct(std::vector<std::vector<int>> p) {
int n = p.size();
for(int i = 0;i<n;i++) {
long long cnt = 0;
for(int j = 0;j<n;j++) {
if(p[i][j] == 3 or p[i][j]!=p[j][i])return 0;
}
}
vector<vector<int>> ans(n,vector<int> (n,0));
{
vector<bool> vis(n);
vector<int> t;
for(int i = 0;i<n;i++) {
if(vis[i])continue;
vector<int> cur;
for(int j = 0;j<n;j++) {
if(p[i][j] == 1) {
cur.push_back(j);
vis[j]=1;
}
}
for(int j = 0;j<(int)cur.size()-1;j++) {
ans[cur[j]][cur[j+1]]=1;
ans[cur[j+1]][cur[j]]=1;
}
t.push_back(i);
}
for(int i = 0;i<n;i++)vis[i]=0;
vector<pair<int,int>> cur;
vector<int> beg;
for(int j:t) {
bool flag = 0;
for(pair<int,int> &i:cur) {
if(p[j][i] == 2) {
ans[i][j] = ans[j][i] = 1;
i.first=j;
i.second++;
flag=1;
break;
}
}
if(!flag){
cur.push_back(make_pair(j,1));
beg.push_back(j);
}
}
for(int i = 0;i<cur.size();i++) {
if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
if(cur[i]!=beg[i]) {
ans[cur[i]][beg[i]] = ans[beg[i]][cur[i]] = 1;
}
else if(cur[i].second == 2)return 0;
}
}
build(ans);
return 1;
}
Compilation message (stderr)
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:8:13: warning: unused variable 'cnt' [-Wunused-variable]
8 | long long cnt = 0;
| ^~~
supertrees.cpp:38:12: error: no match for 'operator[]' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'std::pair<int, int>')
38 | if(p[j][i] == 2) {
| ^
In file included from /usr/include/c++/10/vector:67,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::reference = int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
1043 | operator[](size_type __n) _GLIBCXX_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1043:28: note: no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
1043 | operator[](size_type __n) _GLIBCXX_NOEXCEPT
| ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::const_reference = const int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
1061 | operator[](size_type __n) const _GLIBCXX_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1061:28: note: no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
1061 | operator[](size_type __n) const _GLIBCXX_NOEXCEPT
| ~~~~~~~~~~^~~
supertrees.cpp:39:9: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and 'std::pair<int, int>')
39 | ans[i][j] = ans[j][i] = 1;
| ^
In file included from /usr/include/c++/10/vector:67,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
1043 | operator[](size_type __n) _GLIBCXX_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1043:28: note: no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
1043 | operator[](size_type __n) _GLIBCXX_NOEXCEPT
| ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
1061 | operator[](size_type __n) const _GLIBCXX_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1061:28: note: no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
1061 | operator[](size_type __n) const _GLIBCXX_NOEXCEPT
| ~~~~~~~~~~^~~
supertrees.cpp:39:24: error: no match for 'operator[]' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'std::pair<int, int>')
39 | ans[i][j] = ans[j][i] = 1;
| ^
In file included from /usr/include/c++/10/vector:67,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::reference = int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
1043 | operator[](size_type __n) _GLIBCXX_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1043:28: note: no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
1043 | operator[](size_type __n) _GLIBCXX_NOEXCEPT
| ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::const_reference = const int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
1061 | operator[](size_type __n) const _GLIBCXX_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1061:28: note: no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
1061 | operator[](size_type __n) const _GLIBCXX_NOEXCEPT
| ~~~~~~~~~~^~~
supertrees.cpp:51:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | for(int i = 0;i<cur.size();i++) {
| ~^~~~~~~~~~~
supertrees.cpp:52:13: error: no match for 'operator!=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:1064:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1064 | operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1064:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:1144:5: 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>&)'
1144 | operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1144:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:1237:5: 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>&)'
1237 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1237:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:1311:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1311 | operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1311:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:1405:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1405 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1405:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:1479:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1479 | operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1479:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:1579:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1579 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1579:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from supertrees.cpp:3:
/usr/include/c++/10/bits/regex.h:2126:5: 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>&)'
2126 | operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2126:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/vector:60,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:496:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
496 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:496:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: mismatched types 'const std::pair<_T1, _T2>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
372 | operator!=(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
410 | operator!=(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1444 | operator!=(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::move_iterator<_IteratorL>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/vector:60,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1501 | operator!=(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::move_iterator<_IteratorL>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/vector:64,
from supertrees.h:1,
from supertrees.cpp:1:
/usr/include/c++/10/bits/allocator.h:213:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const std::allocator<_Tp1>&, const std::allocator<_T2>&)'
213 | operator!=(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:213:5: note: template argument deduction/substitution failed:
supertrees.cpp:52:20: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::allocator<_Tp1>'
52 | if(cur[i]!=beg[i] and p[cur[i]][beg[i]] == 1)return 0;
| ^
In file included from /usr/include/c++/10/vector:67,