Rezumat problemă

Detalii

Problema	TopSort	Operații I/O	topsort.in/topsort.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#26394056	Utilizator	Dutu Alexandru (Dutu)
Fișier	topsort.cpp	Dimensiune	724 B
Data încărcării	03 Decembrie 2020, 18:34	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

topsort.cpp: In function 'void dfs(int)':
topsort.cpp:19:11: error: no match for 'operator=' (operand types are 'std::vector<int>' and 'int')
     viz[u]=1;

           ^
topsort.cpp:19:11: note: candidates are:
In file included from /usr/include/c++/4.8/vector:69:0,
                 from /usr/include/c++/4.8/bits/random.h:34,
                 from /usr/include/c++/4.8/random:50,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from topsort.cpp:1:
/usr/include/c++/4.8/bits/vector.tcc:160:5: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>]
     vector<_Tp, _Alloc>::
     ^
/usr/include/c++/4.8/bits/vector.tcc:160:5: note:   no known conversion for argument 1 from 'int' to 'const std::vector<int>&'
In file included from /usr/include/c++/4.8/vector:64:0,
                 from /usr/include/c++/4.8/bits/random.h:34,
                 from /usr/include/c++/4.8/random:50,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from topsort.cpp:1:
/usr/include/c++/4.8/bits/stl_vector.h:439:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>]
       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
       ^
/usr/include/c++/4.8/bits/stl_vector.h:439:7: note:   no known conversion for argument 1 from 'int' to 'std::vector<int>&&'
/usr/include/c++/4.8/bits/stl_vector.h:461:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = int; _Alloc = std::allocator<int>]
       operator=(initializer_list<value_type> __l)
       ^
/usr/include/c++/4.8/bits/stl_vector.h:461:7: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<int>'
topsort.cpp:20:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(j=0;j<G[u].size();j++)

                         ^
topsort.cpp:23:12: error: no match for 'operator!' (operand type is 'std::vector<int>')
         if(!viz[v])

            ^
topsort.cpp:23:12: note: candidate is:
topsort.cpp:23:12: note: operator!(bool) <built-in>
topsort.cpp:23:12: note:   no known conversion for argument 1 from 'std::vector<int>' to 'bool'
topsort.cpp: In function 'int main()':
topsort.cpp:38:12: error: no match for 'operator!' (operand type is 'std::vector<int>')
         if(!viz[i]) dfs(i);

            ^
topsort.cpp:38:12: note: candidate is:
topsort.cpp:38:12: note: operator!(bool) <built-in>
topsort.cpp:38:12: note:   no known conversion for argument 1 from 'std::vector<int>' to 'bool'

Cum funcționează evaluarea?