Compilare: user.cpp: In function ‘int bell(int)’: user.cpp:63:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void afisare()’: user.cpp:67:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf (out,"%d ",d[i]); ^ user.cpp: In function ‘void citire()’: user.cpp:72:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in,"%d%d",&n,&a); ^ user.cpp:76:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (in,"%d%d%d",&x,&y,&c); ^