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	#64874276	Utilizator	ilie tamara (tamara_ilie)
Fișier	spirala.cpp	Dimensiune	566 B
Data încărcării	08 Iunie 2026, 21:58	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

spirala.cpp:1:1: error: ‘include’ does not name a type
    1 | include<fstream>
      | ^~~~~~~
spirala.cpp: In function ‘int main()’:
spirala.cpp:8:5: error: ‘ifstream’ was not declared in this scope
    8 |     ifstream cin("spirala.in")
      |     ^~~~~~~~
spirala.cpp:10:18: warning: statement has no effect [-Wunused-value]
   10 |         for(i=1;i<=n;i++)
      |                 ~^~~
spirala.cpp:10:25: error: expected ‘;’ before ‘)’ token
   10 |         for(i=1;i<=n;i++)
      |                         ^
      |                         ;
spirala.cpp:11:18: warning: statement has no effect [-Wunused-value]
   11 |         for(j=i;j<=n;j++)
      |                 ~^~~
spirala.cpp:11:25: error: expected ‘;’ before ‘)’ token
   11 |         for(j=i;j<=n;j++)
      |                         ^
      |                         ;
spirala.cpp:14:24: error: expected primary-expression before ‘;’ token
   14 |         for(j=start;j<=;j++)
      |                        ^
spirala.cpp:15:9: error: ‘cout’ was not declared in this scope
   15 |         cout<<a[start][j]<<" ";
      |         ^~~~
spirala.cpp:16:27: error: expected ‘)’ before ‘;’ token
   16 |         for(j=n-1;j>=1;j--;
      |            ~              ^
      |                           )
spirala.cpp:16:9: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   16 |         for(j=n-1;j>=1;j--;
      |         ^~~
spirala.cpp:17:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   17 |             cout<<a[n][j]<<" ";
      |             ^~~~
spirala.cpp:17:13: error: ‘cout’ was not declared in this scope
spirala.cpp:23:13: error: ‘return0’ was not declared in this scope
   23 |             return0;
      |             ^~~~~~~

Cum funcționează evaluarea?