Compilare: user.cpp: In function ‘int main()’: user.cpp:21:31: warning: unused variable ‘contb’ [-Wunused-variable] int n,i,c,nra,a=0,conta=0,contb=1,contc=0,in,sf,coni=1,maxx=1,ins,sfs; ^ user.cpp:21:47: warning: unused variable ‘in’ [-Wunused-variable] int n,i,c,nra,a=0,conta=0,contb=1,contc=0,in,sf,coni=1,maxx=1,ins,sfs; ^ user.cpp:21:50: warning: unused variable ‘sf’ [-Wunused-variable] int n,i,c,nra,a=0,conta=0,contb=1,contc=0,in,sf,coni=1,maxx=1,ins,sfs; ^ user.cpp:21:67: warning: unused variable ‘ins’ [-Wunused-variable] int n,i,c,nra,a=0,conta=0,contb=1,contc=0,in,sf,coni=1,maxx=1,ins,sfs; ^ user.cpp:21:71: warning: unused variable ‘sfs’ [-Wunused-variable] int n,i,c,nra,a=0,conta=0,contb=1,contc=0,in,sf,coni=1,maxx=1,ins,sfs; ^