Compilare: user.cpp: In function ‘int main()’: user.cpp:14:13: warning: unused variable ‘q’ [-Wunused-variable] {int v[100],q,y,n,m,i,j,nr=0,x[100],c[100]; ^ user.cpp:14:15: warning: unused variable ‘y’ [-Wunused-variable] {int v[100],q,y,n,m,i,j,nr=0,x[100],c[100]; ^ user.cpp:14:21: warning: ‘i’ may be used uninitialized in this function [-Wmaybe-uninitialized] {int v[100],q,y,n,m,i,j,nr=0,x[100],c[100]; ^