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	#64372155	Utilizator	grigoras luca (LucaGrigoras)
Fișier	spirala.cpp	Dimensiune	555 B
Data încărcării	04 Mai 2026, 09:36	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

spirala.cpp: In function ‘int main()’:
spirala.cpp:6:5: error: ‘cin’ was not declared in this scope
    6 |     cin>>n;
      |     ^~~
spirala.cpp:2:1: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    1 | #include <fstream>
  +++ |+#include <iostream>
    2 | using namespace std;
spirala.cpp:9:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    9 |         for(int j=p;j=n-p;j++)
      |                     ~^~~~
spirala.cpp:11:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   11 |         for(int i=p;i=n-p;i++)
      |                     ~^~~~
spirala.cpp:12:28: error: expected ‘;’ before ‘for’
   12 |             a[i][n+1-p]=++k
      |                            ^
      |                            ;
   13 |         for(int j=n+1-p;j>p;j--)
      |         ~~~                 
spirala.cpp:13:25: error: ‘j’ was not declared in this scope
   13 |         for(int j=n+1-p;j>p;j--)
      |                         ^
spirala.cpp:15:25: error: ‘i’ was not declared in this scope
   15 |         for(int i=n+1-p;i>p;i--)
      |                         ^
spirala.cpp:22:13: error: ‘cout’ was not declared in this scope
   22 |             cout <<a[i][j]<<' ';
      |             ^~~~
spirala.cpp:22:13: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
spirala.cpp:23:9: error: ‘cout’ was not declared in this scope
   23 |         cout<<'\n';}
      |         ^~~~
spirala.cpp:23:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?

Cum funcționează evaluarea?