Rezumat problemă

PatratMagic0

#3124

Se dă un număr natural n, urmat de o matrice pătratică cu n * n elemente, numere naturale. Să se verifice dacă matricea dată este un pătrat magic.

Consola Sofran Daniel (DanielSofran) Daniel Sofran ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	PatratMagic0	Operații I/O	tastatură/ecran
Limita timp	0.2 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64459496	Utilizator	Gheorghita Camelia (camilia20)
Fișier	patratmagic0.cpp	Dimensiune	403 B
Data încărcării	08 Mai 2026, 08:31	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

patratmagic0.cpp: In function ‘int main()’:
patratmagic0.cpp:4:2: error: ‘cin’ was not declared in this scope
    4 | {cin>>n;
      |  ^~~
patratmagic0.cpp:1:1: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
  +++ |+#include <iostream>
    1 | using namespace std;
patratmagic0.cpp:10:12: warning: operation on ‘s1’ may be undefined [-Wsequence-point]
   10 | if(i==j) s1=s1=a[i][j];
      |          ~~^~~~~~~~~~~
patratmagic0.cpp:19:5: error: ‘cout’ was not declared in this scope
   19 |     cout<<"true";
      |     ^~~~
patratmagic0.cpp:19:5: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
patratmagic0.cpp:21:5: error: ‘cout’ was not declared in this scope
   21 |     cout<<"false";
      |     ^~~~
patratmagic0.cpp:21:5: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
patratmagic0.cpp:20:2: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation]
   20 |  else
      |  ^~~~
patratmagic0.cpp:25:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘else’
   25 |     return 0;
      |     ^~~~~~

Cum funcționează evaluarea?