Compilare: user.cpp: In function ‘int main()’: user.cpp:9:17: warning: unused variable ‘i’ [-Wunused-variable] long long n,i,j=2,k,m,pn=0,pm=0,rez=0,nn; ^ user.cpp:9:23: warning: unused variable ‘k’ [-Wunused-variable] long long n,i,j=2,k,m,pn=0,pm=0,rez=0,nn; ^ user.cpp:9:43: warning: unused variable ‘nn’ [-Wunused-variable] long long n,i,j=2,k,m,pn=0,pm=0,rez=0,nn; ^