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	#64372484	Utilizator	PAVAL ROBERT-CONSTANTIN (pavalrobertconstantin)
Fișier	spirala.cpp	Dimensiune	636 B
Data încărcării	04 Mai 2026, 09:45	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

spirala.cpp:2:1: error: ‘ifstream’ does not name a type
    2 | ifstream cin("spirala.in");
      | ^~~~~~~~
spirala.cpp:3:1: error: ‘ofstream’ does not name a type
    3 | ofstream cout("spirala.out");
      | ^~~~~~~~
spirala.cpp: In function ‘int main()’:
spirala.cpp:8:5: error: ‘cin’ was not declared in this scope
    8 |     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 | ifstream cin("spirala.in");
spirala.cpp:15:13: error: ‘cout’ was not declared in this scope
   15 |             cout<<a[p][j]<<' ';
      |             ^~~~
spirala.cpp:15:13: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
spirala.cpp:17:13: error: ‘cout’ was not declared in this scope
   17 |             cout<<a[i][m+1-p]<<' ';
      |             ^~~~
spirala.cpp:17:13: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
spirala.cpp:19:13: error: ‘cout’ was not declared in this scope
   19 |             cout<<a[n+1-p][j]<<' ';
      |             ^~~~
spirala.cpp:19:13: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
spirala.cpp:21:13: error: ‘cout’ was not declared in this scope
   21 |             cout<<a[i][p]<<' ';
      |             ^~~~
spirala.cpp:21:13: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
spirala.cpp:24:16: warning: left shift count >= width of type [-Wshift-count-overflow]
   24 |     a[m+1][m+1]<<' ';
      |     ~~~~~~~~~~~^~~~~
spirala.cpp:24:16: warning: statement has no effect [-Wunused-value]
spirala.cpp: At global scope:
spirala.cpp:26:5: error: expected unqualified-id before ‘return’
   26 |     return 0;
      |     ^~~~~~
spirala.cpp:27:1: error: expected declaration before ‘}’ token
   27 | }
      | ^

Cum funcționează evaluarea?