Compilare: user.cpp: In function ‘int main()’: user.cpp:7:6: warning: unused variable ‘v’ [-Wunused-variable] {int v[100001],i,m,h=0,j,s,n,v2,su=0; ^ user.cpp:7:18: warning: unused variable ‘m’ [-Wunused-variable] {int v[100001],i,m,h=0,j,s,n,v2,su=0; ^ user.cpp:7:20: warning: unused variable ‘h’ [-Wunused-variable] {int v[100001],i,m,h=0,j,s,n,v2,su=0; ^ user.cpp:7:24: warning: unused variable ‘j’ [-Wunused-variable] {int v[100001],i,m,h=0,j,s,n,v2,su=0; ^ user.cpp:8:11: warning: variable ‘gr’ set but not used [-Wunused-but-set-variable] long long gr[100001]; ^