Compilare: user.cpp: In function ‘void adaugare(int)’: user.cpp:18:10: warning: unused variable ‘nr’ [-Wunused-variable] int nr= x%P; ^ user.cpp: In function ‘void stergere(int)’: user.cpp:24:10: warning: unused variable ‘nr’ [-Wunused-variable] int nr= x%P; ^ user.cpp: In function ‘int gasire(int)’: user.cpp:31:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:35:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:39:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&cer,&x); ^