Rezumat problemă

Spirala

#211

Să se parcurgă o matrice pătratică în spirală în sensul acelor de ceasornic.

Fișiere Candale Silviu (silviu) medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	Spirala	Operații I/O	spirala.in/spirala.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64285623	Utilizator	Anton Bianca (Pisiknoir12)
Fișier	spirala.cpp	Dimensiune	697 B
Data încărcării	28 Aprilie 2026, 08:47	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

spirala.cpp:3:13: error: variable ‘std::ifstream fin’ has initializer but incomplete type
    3 | ifstream fin("spirala.in")
      |             ^
spirala.cpp:4:1: error: expected ‘,’ or ‘;’ before ‘ofstream’
    4 | ofstream fout("spirala.out")
      | ^~~~~~~~
spirala.cpp: In function ‘int main()’:
spirala.cpp:8:9: error: ‘i’ was not declared in this scope
    8 |     for(i=1;i<=n;i++)
      |         ^
spirala.cpp:8:16: error: ‘n’ was not declared in this scope
    8 |     for(i=1;i<=n;i++)
      |                ^
spirala.cpp:9:13: error: ‘j’ was not declared in this scope
    9 |         for(j=1;j<=n;j++)
      |             ^
spirala.cpp:10:14: error: ‘a’ was not declared in this scope
   10 |         cin>>a[i][j]
      |              ^
spirala.cpp:11:17: error: ‘p’ was not declared in this scope
   11 |         for(p=1;p<=n/2;p++)
      |                 ^
spirala.cpp:11:20: error: ‘n’ was not declared in this scope
   11 |         for(p=1;p<=n/2;p++)
      |                    ^
spirala.cpp:25:16: error: ‘fout’ was not declared in this scope
   25 |     if(n%2==1) fout<<a[(n+1)/2] [(n+1)/2];
      |                ^~~~
spirala.cpp:25:22: error: ‘a’ was not declared in this scope
   25 |     if(n%2==1) fout<<a[(n+1)/2] [(n+1)/2];
      |                      ^
spirala.cpp:26:18: error: ‘fout’ was not declared in this scope
   26 |     fin.close(); fout.close();
      |                  ^~~~

Cum funcționează evaluarea?