Rezumat problemă

produsMatriceRara

C++

#1700

Scrieţi în limbajul C++ definiţia completă a subprogramului inmultire cu următorul antet:

void inmultire(matrice_rara a, matrice_rara b, matrice_rara &c)

ce calculează în c produsul matricelor rare a şi b.

Consola Antal Alexandru (Courage) medie

Clasa 10 Structuri de date neomogene Probleme diverse

Rezolvă

Detalii

Problema	produsMatriceRara	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#62638056	Utilizator	Craciun-Pelle Cedrin (Cedrin)
Fișier	produsmatricerara.cpp	Dimensiune	1.62 KB
Data încărcării	28 Ianuarie 2026, 11:47	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

produsmatricerara.cpp:38:8: error: redefinition of 'struct triplet'
 struct triplet

        ^
produsmatricerara.cpp:5:8: error: previous definition of 'struct triplet'
 struct triplet {

        ^
produsmatricerara.cpp:43:8: error: redefinition of 'struct matrice_rara'
 struct matrice_rara

        ^
produsmatricerara.cpp:9:8: error: previous definition of 'struct matrice_rara'
 struct matrice_rara {

        ^
produsmatricerara.cpp: In function 'void citire()':
produsmatricerara.cpp:51:5: error: reference to 'cin' is ambiguous
     cin>>a.nr_linii>>a.nr_coloane>>a.nr_triplete;

     ^
produsmatricerara.cpp:35:10: note: candidates are: std::ifstream cin
 ifstream cin("mrara.in");

          ^
In file included from produsmatricerara.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsmatricerara.cpp:53:9: error: reference to 'cin' is ambiguous
         cin>>a.t[i].linie>>a.t[i].coloana>>a.t[i].valoare;

         ^
produsmatricerara.cpp:35:10: note: candidates are: std::ifstream cin
 ifstream cin("mrara.in");

          ^
In file included from produsmatricerara.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsmatricerara.cpp:55:5: error: reference to 'cin' is ambiguous
     cin>>b.nr_linii>>b.nr_coloane>>b.nr_triplete;

     ^
produsmatricerara.cpp:35:10: note: candidates are: std::ifstream cin
 ifstream cin("mrara.in");

          ^
In file included from produsmatricerara.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsmatricerara.cpp:57:9: error: reference to 'cin' is ambiguous
         cin>>b.t[i].linie>>b.t[i].coloana>>b.t[i].valoare;

         ^
produsmatricerara.cpp:35:10: note: candidates are: std::ifstream cin
 ifstream cin("mrara.in");

          ^
In file included from produsmatricerara.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
produsmatricerara.cpp: In function 'int valoare(matrice_rara, int, int)':
produsmatricerara.cpp:61:22: error: 'struct matrice_rara' has no member named 'triplete'
     for(int k=0; k<a.triplete; k++)

                      ^
produsmatricerara.cpp: In function 'int main()':
produsmatricerara.cpp:91:11: error: 'afis' was not declared in this scope
     afis(c);

           ^
produsmatricerara.cpp: In function 'int main()':
produsmatricerara.cpp:96:5: error: redefinition of 'int main()'
 int main() {

     ^
produsmatricerara.cpp:87:5: error: 'int main()' previously defined here
 int main()

     ^

Cum funcționează evaluarea?