Rezumat problemă

Diagonale

#313

Se dă o matrice cu n linii și n coloane și elemente numere naturale. Calculați diferența în valoare absolută dintre sumele elementelor de pe cele două diagonale.

Consola Candale Silviu (silviu) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	Diagonale	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64443072	Utilizator	Grigoruta Alexandru (grigoruta_alexandru)
Fișier	diagonale.cpp	Dimensiune	404 B
Data încărcării	07 Mai 2026, 10:18	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

diagonale.cpp:4:14: error: expected initializer before ‘i’
    4 | int a[21][21]i,j,n,s1,s2;
      |              ^
diagonale.cpp: In function ‘int main()’:
diagonale.cpp:8:10: error: ‘n’ was not declared in this scope
    8 |     cin>>n;
      |          ^
diagonale.cpp:9:9: error: ‘i’ was not declared in this scope
    9 |     for(i=1;i<=n;i++)
      |         ^
diagonale.cpp:10:13: error: ‘j’ was not declared in this scope
   10 |         for(j=1;j<=n;j++)
      |             ^
diagonale.cpp:11:14: error: ‘a’ was not declared in this scope
   11 |         cin>>a[1][j];
      |              ^
diagonale.cpp:12:9: error: ‘i’ was not declared in this scope
   12 |     for(i=1;i<=n;i++)
      |         ^
diagonale.cpp:13:13: error: ‘j’ was not declared in this scope
   13 |         for(j=1;j<=n;j++)
      |             ^
diagonale.cpp:15:18: error: ‘s1’ was not declared in this scope
   15 |         if(i==j) s1=s1+a[i][j];
      |                  ^~
diagonale.cpp:15:24: error: ‘a’ was not declared in this scope
   15 |         if(i==j) s1=s1+a[i][j];
      |                        ^
diagonale.cpp:16:22: error: ‘s2’ was not declared in this scope
   16 |         if(i+j==n+1) s2=s2+a[i][j];
      |                      ^~
diagonale.cpp:16:28: error: ‘a’ was not declared in this scope
   16 |         if(i+j==n+1) s2=s2+a[i][j];
      |                            ^
diagonale.cpp:17:12: error: ‘s1’ was not declared in this scope
   17 |         if(s1>s2)
      |            ^~
diagonale.cpp:17:15: error: ‘s2’ was not declared in this scope
   17 |         if(s1>s2)
      |               ^~
diagonale.cpp:19:9: error: ‘elsecout’ was not declared in this scope
   19 |         elsecout<<s2-s1;
      |         ^~~~~~~~
diagonale.cpp:19:19: error: ‘s2’ was not declared in this scope
   19 |         elsecout<<s2-s1;
      |                   ^~
diagonale.cpp:19:22: error: ‘s1’ was not declared in this scope
   19 |         elsecout<<s2-s1;
      |                      ^~

Cum funcționează evaluarea?