#418
Se dă lista muchiilor unui graf neorientat cu n
vârfuri, etichetate de la 1
la n
. Din acest graf se elimină toate vârfurile etichetate cu valori prime. Să se determine câte muchii va avea subgraful obținut.
Problema | Subgraf | Operații I/O |
![]() subgraf.in /subgraf.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #58133858 | Utilizator | |
Fișier | subgraf.cpp | Dimensiune | 499 B |
Data încărcării | 15 Mai 2025, 17:51 | Scor / rezultat | Eroare de compilare |
subgraf.cpp: In function 'void Subgraf()': subgraf.cpp:16:5: error: 'ifstream' was not declared in this scope ifstream fin("subgraf.in"); ^ subgraf.cpp:16:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from subgraf.cpp:1: /usr/include/c++/4.8/iosfwd:157:34: note: 'std::ifstream' typedef basic_ifstream<char> ifstream; ^ subgraf.cpp:16:14: error: expected ';' before 'fin' ifstream fin("subgraf.in"); ^ subgraf.cpp:17:5: error: 'ofstream' was not declared in this scope ofstream fout("subgraf.out"); ^ subgraf.cpp:17:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from subgraf.cpp:1: /usr/include/c++/4.8/iosfwd:160:34: note: 'std::ofstream' typedef basic_ofstream<char> ofstream; ^ subgraf.cpp:17:14: error: expected ';' before 'fout' ofstream fout("subgraf.out"); ^ subgraf.cpp:18:15: error: 'fin' was not declared in this scope int n, k; fin>>n>>k; ^ subgraf.cpp:19:15: error: 'm' was not declared in this scope int num = m; ^ subgraf.cpp:25:5: error: 'fout' was not declared in this scope fout<<num; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Subgraf face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.