Compilare: user.cpp: In function ‘int main()’: user.cpp:10:13: warning: unused variable ‘j’ [-Wunused-variable] int i,n,j,nr=0,max=-1,x=0,s1=0,s2,t=0; ^ user.cpp:10:31: warning: unused variable ‘s1’ [-Wunused-variable] int i,n,j,nr=0,max=-1,x=0,s1=0,s2,t=0; ^ user.cpp:10:36: warning: unused variable ‘s2’ [-Wunused-variable] int i,n,j,nr=0,max=-1,x=0,s1=0,s2,t=0; ^