Submission #403469

#TimeUsernameProblemLanguageResultExecution timeMemory
403469victoriadConnecting Supertrees (IOI20_supertrees)C++14
Compilation error
0 ms0 KiB
#include "supertrees.h" #include <vector> #include <cmath> #include <cstdio> using namespace std; int construct(std::vector<std::vector<int>> p) { int n = p.size(); vector<vector<int> >r(n); vector<vector<int> > c(n); vector<int>g(n,-1); g[0]=0; int cc=0; c[0].push_back(0); for(int i=0;i<n;i++){ if(g[i]==-1)g[i]=cc+1; cc++; c[cc].push_back(i); for(int k=0;k<n;k++){ if(p[i][k]==1){ if(c[k]==-1){ g[k]=cc; c[cc].push_back(k); } if(g[k]!=cc){ return 0; } } } } vector<int>a(n,0); for(int i=0;i<n;i++)r[i].push_back(a); for(int i=0;i<cc+1;i++){ for(int k=0;k<c[i].size()-1;k++){ r[c[i][k]][c[i][k+1]]=1; r[c[i][k+1]][c[i][k]]=1; } } build(r); return 1; }

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:21:12: 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 'int')
   21 |     if(c[k]==-1){
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: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:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::pair<_T1, _T2>'
   21 |     if(c[k]==-1){
      |               ^
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:360:5: note: candidate: 'template<class _Iterator> 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:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   21 |     if(c[k]==-1){
      |               ^
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:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   21 |     if(c[k]==-1){
      |               ^
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:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   21 |     if(c[k]==-1){
      |               ^
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:1495:5: note: candidate: 'template<class _Iterator> 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:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   21 |     if(c[k]==-1){
      |               ^
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: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:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const std::allocator<_Tp1>'
   21 |     if(c[k]==-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: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:
supertrees.cpp:21:15: note:   mismatched types 'const std::vector<_Tp, _Alloc>' and 'int'
   21 |     if(c[k]==-1){
      |               ^
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:192:7: note: candidate: 'bool std::operator==(const std::allocator<int>&, const std::allocator<int>&)'
  192 |       operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW
      |       ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:192:18: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} to 'const std::allocator<int>&'
  192 |       operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW
      |                  ^~~~~~~~~~~~~~~~
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:1064:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator==(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)'
 1064 |     operator==(const __normal_iterator<_IteratorL, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1064:5: note:   template argument deduction/substitution failed:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
   21 |     if(c[k]==-1){
      |               ^
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:1072:5: note: candidate: 'template<class _Iterator, class _Container> bool __gnu_cxx::operator==(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
 1072 |     operator==(const __normal_iterator<_Iterator, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1072:5: note:   template argument deduction/substitution failed:
supertrees.cpp:21:15: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
   21 |     if(c[k]==-1){
      |               ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33,
                 from /usr/include/c++/10/bits/allocator.h:46,
                 from /usr/include/c++/10/vector:64,
                 from supertrees.h:1,
                 from supertrees.cpp:1:
/usr/include/c++/10/ext/new_allocator.h:171:2: note: candidate: 'template<class _Up> bool __gnu_cxx::operator==(const __gnu_cxx::new_allocator<int>&, const __gnu_cxx::new_allocator<_Tp>&)'
  171 |  operator==(const new_allocator&, const new_allocator<_Up>&)
      |  ^~~~~~~~
/usr/include/c++/10/ext/new_allocator.h:171:2: note:   template argument deduction/substitution failed:
supertrees.cpp:21:15: note:   mismatched types 'const __gnu_cxx::new_allocator<_Tp>' and 'int'
   21 |     if(c[k]==-1){
      |               ^
supertrees.cpp:32:38: error: no matching function for call to 'std::vector<int>::push_back(std::vector<int>&)'
   32 |  for(int i=0;i<n;i++)r[i].push_back(a);
      |                                      ^
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:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
supertrees.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int k=0;k<c[i].size()-1;k++){
      |               ~^~~~~~~~~~~~~~