Eroare de compilare: user.cpp: In function ‘int valid(int)’: user.cpp:17:6: error: expected ‘)’ before ‘;’ token (i=1; i<k; i++) ^ user.cpp:17:9: warning: statement has no effect [-Wunused-value] (i=1; i<k; i++) ^ user.cpp:17:16: error: expected ‘;’ before ‘)’ token (i=1; i<k; i++) ^ user.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:43:5: error: ‘g’ was not declared in this scope g << x[i] << " "; ^ user.cpp:44:4: error: ‘g’ was not declared in this scope g << "\n"; ^