Rezumat problemă

MedPoz

#234

Se dă o matrice cu elemente numere întregi. Să se determine media aritmetică a elementelor strict pozitive din matrice, care sunt situate sub diagonala principală.

Variante Bacalaureat 2009

Fișiere Candale Silviu (silviu) medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice Bacalaureat Bacalaureat 2009

Rezolvă

Detalii

Problema	MedPoz	Operații I/O	medpoz.in/medpoz.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#57694468	Utilizator	Tcaciuc Tabita (tabitatcaciuc)
Fișier	medpoz.cpp	Dimensiune	749 B
Data încărcării	10 Aprilie 2025, 17:35	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

medpoz.cpp: In function 'int main()':
medpoz.cpp:5:5: error: 'ifstream' was not declared in this scope
     ifstream fin("medpoz.in");

     ^
medpoz.cpp:5:5: note: suggested alternative:
In file included from /usr/include/c++/4.8/ios:38:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from medpoz.cpp:1:
/usr/include/c++/4.8/iosfwd:157:34: note:   'std::ifstream'
   typedef basic_ifstream<char>   ifstream;
                                  ^
medpoz.cpp:5:14: error: expected ';' before 'fin'
     ifstream fin("medpoz.in");

              ^
medpoz.cpp:6:5: error: 'ofstream' was not declared in this scope
     ofstream fout("medpoz.out");

     ^
medpoz.cpp:6:5: note: suggested alternative:
In file included from /usr/include/c++/4.8/ios:38:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from medpoz.cpp:1:
/usr/include/c++/4.8/iosfwd:160:34: note:   'std::ofstream'
   typedef basic_ofstream<char>   ofstream;
                                  ^
medpoz.cpp:6:14: error: expected ';' before 'fout'
     ofstream fout("medpoz.out");

              ^
medpoz.cpp:9:5: error: 'fin' was not declared in this scope
     fin >> n;

     ^
medpoz.cpp:26:9: error: 'fout' was not declared in this scope
         fout << "NU EXISTA";

         ^
medpoz.cpp:29:9: error: 'fout' was not declared in this scope
         fout << fixed << setprecision(3) << media;

         ^
medpoz.cpp:29:17: error: 'fixed' was not declared in this scope
         fout << fixed << setprecision(3) << media;

                 ^
medpoz.cpp:29:17: note: suggested alternative:
In file included from /usr/include/c++/4.8/ios:42:0,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from medpoz.cpp:1:
/usr/include/c++/4.8/bits/ios_base.h:964:3: note:   'std::fixed'
   fixed(ios_base& __base)
   ^
medpoz.cpp:29:40: error: 'setprecision' was not declared in this scope
         fout << fixed << setprecision(3) << media;

                                        ^
medpoz.cpp:29:40: note: suggested alternative:
In file included from medpoz.cpp:3:0:
/usr/include/c++/4.8/iomanip:192:3: note:   'std::setprecision'
   setprecision(int __n)
   ^

Cum funcționează evaluarea?