Compilare: user.cpp: In function ‘int main()’: user.cpp:10:11: warning: unused variable ‘d’ [-Wunused-variable] int n,d=10000000,l1=0,l2=0,v1,v2; ^ user.cpp:36:31: warning: ‘v2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(h,"%d",v2); ^ user.cpp:32:31: warning: ‘v1’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(h,"%d",v1); ^