Compilare: user.cpp: In function ‘int main()’: user.cpp:8:24: warning: variable ‘w’ set but not used [-Wunused-but-set-variable] {int ni,nz,v[2001],i,r,w[2001],k1=0,k2=0,n,j,u,ok,k=0,s,x,min,max,a,b; ^ user.cpp:76:1: warning: ‘u’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=u;i<=nz;i++)fout<<v[i]; ^