Compilare: user.cpp: In function ‘int main()’: user.cpp:9:27: warning: unused variable ‘j’ [-Wunused-variable] int v[1000],x[1000],i,j,a,s,b,k,n; ^ user.cpp:9:35: warning: unused variable ‘k’ [-Wunused-variable] int v[1000],x[1000],i,j,a,s,b,k,n; ^ user.cpp:33:19: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(i==a||i==b) ^ user.cpp:33:13: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(i==a||i==b) ^