Rezumat problemă

SumaPare2

#767

Se dă o matrice cu n linii şi m coloane şi elemente numere naturale. Determinați suma valorilor pare din matrice.

Consola Candale Silviu (silviu) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor oarecare

Rezolvă

Detalii

Problema	SumaPare2	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64924735	Utilizator	Ivanescu Radu (ivanescu_radu)
Fișier	sumapare2.cpp	Dimensiune	279 B
Data încărcării	14 Iunie 2026, 18:02	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

sumapare2.cpp: In function ‘int main()’:
sumapare2.cpp:7:5: error: ‘i’ was not declared in this scope
    7 | for(i=0 , i< n, i++)
      |     ^
sumapare2.cpp:11:5: error: expected primary-expression before ‘if’
   11 |     if (i mod 2==0 )
      |     ^~
sumapare2.cpp:10:13: error: expected ‘)’ before ‘if’
   10 |     int s=0;
      |             ^
      |             )
   11 |     if (i mod 2==0 )
      |     ~~       
sumapare2.cpp:7:4: note: to match this ‘(’
    7 | for(i=0 , i< n, i++)
      |    ^
sumapare2.cpp:11:10: error: expected ‘)’ before ‘mod’
   11 |     if (i mod 2==0 )
      |        ~ ^~~~
      |          )
sumapare2.cpp:7:1: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
    7 | for(i=0 , i< n, i++)
      | ^~~
sumapare2.cpp:13:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   13 |     if (j mod 2==0)
      |     ^~
sumapare2.cpp:13:9: error: ‘j’ was not declared in this scope
   13 |     if (j mod 2==0)
      |         ^
sumapare2.cpp:13:10: error: expected ‘)’ before ‘mod’
   13 |     if (j mod 2==0)
      |        ~ ^~~~
      |          )
sumapare2.cpp:14:9: error: ‘s’ was not declared in this scope
   14 |         s=s+j;
      |         ^
sumapare2.cpp:15:12: error: ‘s’ was not declared in this scope
   15 |      cout<<s;
      |            ^
sumapare2.cpp:5:5: warning: unused variable ‘a’ [-Wunused-variable]
    5 | int a[n][m];
      |     ^
sumapare2.cpp: At global scope:
sumapare2.cpp:16:3: error: expected unqualified-id before ‘return’
   16 | } return 0
      |   ^~~~~~

Cum funcționează evaluarea?