Compilare: user.cpp: In function ‘int main()’: user.cpp:9:14: warning: unused variable ‘y’ [-Wunused-variable] long t,k,y,d,ok=0,nr=0,x,divizori,i,j,n; ^ user.cpp:9:16: warning: unused variable ‘d’ [-Wunused-variable] long t,k,y,d,ok=0,nr=0,x,divizori,i,j,n; ^ user.cpp:9:18: warning: unused variable ‘ok’ [-Wunused-variable] long t,k,y,d,ok=0,nr=0,x,divizori,i,j,n; ^ user.cpp:10:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%ld",&t); ^ user.cpp:13:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld%ld",&n,&divizori); ^