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	#64818523	Utilizator	Olar Vlad (O8Vlad_1)
Fișier	frunze.cpp	Dimensiune	632 B
Data încărcării	03 Iunie 2026, 13:31	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

frunze.cpp: In function ‘int main()’:
frunze.cpp:14:5: error: reference to ‘cin’ is ambiguous
   14 |     cin >> n;
      |     ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:146,
                 from frunze.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
frunze.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin("frunze.in");
      |          ^~~
frunze.cpp:17:9: error: reference to ‘cin’ is ambiguous
   17 |         cin >> x;
      |         ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
frunze.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin("frunze.in");
      |          ^~~
frunze.cpp:22:5: error: reference to ‘cout’ is ambiguous
   22 |     cout << p << '\n';
      |     ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
frunze.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("frunze.out");
      |          ^~~~
frunze.cpp:26:18: warning: unused variable ‘j’ [-Wunused-variable]
   26 |         for(auto j:G[i])
      |                  ^
frunze.cpp:31:5: error: reference to ‘cout’ is ambiguous
   31 |     cout << cnt << '\n';
      |     ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
frunze.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("frunze.out");
      |          ^~~~
frunze.cpp:33:9: error: reference to ‘cout’ is ambiguous
   33 |         cout << rez[i] << " ";
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
frunze.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("frunze.out");
      |          ^~~~

Cum funcționează evaluarea?