Rezumat problemă

GradK

#4060

Se dă un graf neorientat cu n vârfuri și un număr natural k. Să se afișeze vârfurile din graf care au gradul egal cu k.

Fișiere Muresan Ciprian (mcip1977) ușoară

Clasa 11 Teoria Grafurilor Probleme elementare cu grafuri neorientate

Rezolvă

Detalii

Problema	GradK	Operații I/O	gradk.in/gradk.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63694993	Utilizator	Pruna Diana (Pruna_Diana2007)
Fișier	gradk.cpp	Dimensiune	882 B
Data încărcării	15 Martie 2026, 15:41	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

gradk.cpp: In function 'void citire()':
gradk.cpp:3:5: error: 'ifstream' was not declared in this scope
     ifstream fin("gradk.in");

     ^
gradk.cpp:3:14: error: expected ';' before 'fin'
     ifstream fin("gradk.in");

              ^
gradk.cpp:5:5: error: 'fin' was not declared in this scope
     fin >> n >> k;

     ^
gradk.cpp:5:12: error: 'n' was not declared in this scope
     fin >> n >> k;

            ^
gradk.cpp:5:17: error: 'k' was not declared in this scope
     fin >> n >> k;

                 ^
gradk.cpp:7:9: error: 'v' was not declared in this scope
         v[i][j] = v[j][i] = 1; // graf neorientat, matrice de adiacență

         ^
gradk.cpp: In function 'void calculeaza_grad()':
gradk.cpp:12:25: error: 'n' was not declared in this scope
     for(int i = 1; i <= n; i++) {

                         ^
gradk.cpp:13:9: error: 'grad' was not declared in this scope
         grad[i] = 0;

         ^
gradk.cpp:15:16: error: 'v' was not declared in this scope
             if(v[i][j] == 1) grad[i]++;

                ^
gradk.cpp: In function 'int main()':
gradk.cpp:23:5: error: 'ofstream' was not declared in this scope
     ofstream fout("gradk.out");

     ^
gradk.cpp:23:14: error: expected ';' before 'fout'
     ofstream fout("gradk.out");

              ^
gradk.cpp:26:25: error: 'n' was not declared in this scope
     for(int i = 1; i <= n; i++)

                         ^
gradk.cpp:27:12: error: 'grad' was not declared in this scope
         if(grad[i] == k) cnt++;

            ^
gradk.cpp:27:23: error: 'k' was not declared in this scope
         if(grad[i] == k) cnt++;

                       ^
gradk.cpp:30:9: error: 'fout' was not declared in this scope
         fout << "NU EXISTA" << endl;

         ^
gradk.cpp:30:32: error: 'endl' was not declared in this scope
         fout << "NU EXISTA" << endl;

                                ^
gradk.cpp:32:9: error: 'fout' was not declared in this scope
         fout << cnt << endl;

         ^
gradk.cpp:32:24: error: 'endl' was not declared in this scope
         fout << cnt << endl;

                        ^
gradk.cpp:33:29: error: 'n' was not declared in this scope
         for(int i = 1; i <= n; i++)

                             ^
gradk.cpp:34:16: error: 'grad' was not declared in this scope
             if(grad[i] == k)

                ^
gradk.cpp:34:27: error: 'k' was not declared in this scope
             if(grad[i] == k)

                           ^

Cum funcționează evaluarea?