Rezumat problemă

Diagonale1

#783

Se dă o matrice cu n linii şi n coloane şi elemente numere naturale. Să se determine suma elementelor de pe cele două diagonale vecine cu diagonala principală.

Consola Candale Silviu (silviu) medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	Diagonale1	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64389220	Utilizator	balau adnana (AdnanaBalau0604)
Fișier	diagonale1.cpp	Dimensiune	338 B
Data încărcării	04 Mai 2026, 19:47	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

diagonale1.cpp:1:19: error: missing terminating > character
    1 | #include <iostream
      |                   ^
diagonale1.cpp:2:1: error: expected unqualified-id before ‘>’ token
    2 | >
      | ^
diagonale1.cpp: In function ‘int main()’:
diagonale1.cpp:8:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    8 |     cin>>n;
      |     ^~~
      |     std::cin
In file included from diagonale1.cpp:1:
/usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
diagonale1.cpp:11:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   11 |     for(int i=1;i<=n;i++)
      |     ^~~
diagonale1.cpp:16:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   16 |         cout<<s;
      |         ^~~~
diagonale1.cpp:16:9: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   16 |         cout<<s;
      |         ^~~~
      |         std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
diagonale1.cpp:7:11: warning: unused variable ‘m’ [-Wunused-variable]
    7 |     int n,m,a[102][102],s=0;
      |           ^

Cum funcționează evaluarea?