Rezumat problemă

Frunze

#637

Se dă vectorul de tați al unui arbore cu rădăcină cu n noduri. Determinați rădăcina arborelui și frunzele acestuia.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Arbori cu rădăcină

Rezolvă

Detalii

Problema	Frunze	Operații I/O	frunze.in/frunze.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#56983830	Utilizator	Pascut Alexandru Stefan (Pascut_Alexandru_Stefan)
Fișier	frunze.cpp	Dimensiune	881 B
Data încărcării	12 Martie 2025, 12:20	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

frunze.cpp:4:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("frunze.in");

             ^
frunze.cpp:5:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("frunze.out");

              ^
frunze.cpp: In function 'void dfs(int)':
frunze.cpp:11:28: error: invalid types '__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}[int]' for array subscript
     if(viz[i]==0 && ma[i][k]==1){

                            ^
frunze.cpp: In function 'int main()':
frunze.cpp:20:5: error: reference to 'cin' is ambiguous
     cin>>n;

     ^
frunze.cpp:4:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("frunze.in");

          ^
In file included from frunze.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
frunze.cpp:22:9: error: reference to 'cin' is ambiguous
         cin>>x;

         ^
frunze.cpp:4:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("frunze.in");

          ^
In file included from frunze.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
frunze.cpp:25:13: error: reference to 'cout' is ambiguous
             cout<<i<<"\n";

             ^
frunze.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("frunze.out");

          ^
In file included from frunze.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
frunze.cpp:43:5: error: reference to 'cout' is ambiguous
     cout<<cnt<<"\n";

     ^
frunze.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("frunze.out");

          ^
In file included from frunze.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
frunze.cpp:45:9: error: reference to 'cout' is ambiguous
         cout<<ma[i]<<" ";

         ^
frunze.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("frunze.out");

          ^
In file included from frunze.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
frunze.cpp:48:1: error: expected '}' at end of input
 }

 ^

Cum funcționează evaluarea?