Rezumat problemă

MatSim1

#787

Se dă o matrice cu n linii şi n coloane şi elemente numere naturale. Să se construiască o matrice care să fie simetrica față de diagonala secundară a matricei date.

Consola Candale Silviu (silviu) medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	MatSim1	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64814928	Utilizator	Dumitrescu Edesia (Edesia10)
Fișier	matsim1.cpp	Dimensiune	362 B
Data încărcării	03 Iunie 2026, 09:40	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

matsim1.cpp: In function ‘int main()’:
matsim1.cpp:7:9: error: ‘n’ was not declared in this scope
    7 |    cin>>n;
      |         ^
matsim1.cpp:8:8: error: ‘i’ was not declared in this scope
    8 |    for(i=1;i<=n,i++)
      |        ^
matsim1.cpp:8:20: error: expected ‘;’ before ‘)’ token
    8 |    for(i=1;i<=n,i++)
      |                    ^
      |                    ;
matsim1.cpp:9:9: error: ‘j’ was not declared in this scope
    9 |     for(j=i;j<=n;j++)
      |         ^
matsim1.cpp:10:9: error: ‘a’ was not declared in this scope
   10 |    cin>>a[i][j];
      |         ^
matsim1.cpp:11:8: error: ‘i’ was not declared in this scope
   11 |    for(i=1;i<=n,i++)
      |        ^
matsim1.cpp:11:20: error: expected ‘;’ before ‘)’ token
   11 |    for(i=1;i<=n,i++)
      |                    ^
      |                    ;
matsim1.cpp:12:9: error: ‘j’ was not declared in this scope
   12 |     for(j=1;j<=n-1;j++)
      |         ^
matsim1.cpp:13:4: error: ‘aux’ was not declared in this scope
   13 |    aux=a[i][j]
      |    ^~~
matsim1.cpp:13:8: error: ‘a’ was not declared in this scope
   13 |    aux=a[i][j]
      |        ^
matsim1.cpp:15:4: error: ‘a’ was not declared in this scope
   15 |    a[n-j+1][n-i+j=aux;
      |    ^
matsim1.cpp:15:8: error: ‘j’ was not declared in this scope
   15 |    a[n-j+1][n-i+j=aux;
      |        ^
matsim1.cpp:15:15: error: ‘i’ was not declared in this scope
   15 |    a[n-j+1][n-i+j=aux;
      |               ^
matsim1.cpp:15:19: error: ‘aux’ was not declared in this scope
   15 |    a[n-j+1][n-i+j=aux;
      |                   ^~~
matsim1.cpp:15:22: error: expected ‘]’ before ‘;’ token
   15 |    a[n-j+1][n-i+j=aux;
      |                      ^
      |                      ]
matsim1.cpp:19:8: error: expected ‘;’ before ‘endl’
   19 |    cout endl;
      |        ^~~~~
      |        ;
matsim1.cpp:19:4: warning: statement has no effect [-Wunused-value]
   19 |    cout endl;
      |    ^~~~
matsim1.cpp: At global scope:
matsim1.cpp:23:1: error: expected unqualified-id before ‘return’
   23 | return o;
      | ^~~~~~

Cum funcționează evaluarea?