Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:12:2: error: expected initializer before ‘int’ int i, j; ^ user.cpp:14:6: error: ‘i’ was not declared in this scope for(i = 2; i <= n; i++) ^ user.cpp:15:3: error: ‘a’ was not declared in this scope a[i] = i - 1; ^ user.cpp:16:6: error: ‘i’ was not declared in this scope for(i = 2; i <= n; i++) ^ user.cpp:18:10: error: ‘a’ was not declared in this scope nrf += a[i]; ^ user.cpp:19:7: error: ‘j’ was not declared in this scope for(j = 2 * i; j <= n;j += i) ^