Compilare: user.cpp: In function ‘int main()’: user.cpp:51:25: warning: unused variable ‘k’ [-Wunused-variable] int Len,N,L,K,M,i,t,k,buc; ^ user.cpp:51:27: warning: variable ‘buc’ set but not used [-Wunused-but-set-variable] int Len,N,L,K,M,i,t,k,buc; ^ user.cpp:52:9: warning: variable ‘bad’ set but not used [-Wunused-but-set-variable] int bad,bad2,poz,j,start,Q; ^ user.cpp:52:13: warning: unused variable ‘bad2’ [-Wunused-variable] int bad,bad2,poz,j,start,Q; ^ user.cpp:52:24: warning: unused variable ‘start’ [-Wunused-variable] int bad,bad2,poz,j,start,Q; ^ user.cpp:52:30: warning: variable ‘Q’ set but not used [-Wunused-but-set-variable] int bad,bad2,poz,j,start,Q; ^ user.cpp:62:42: warning: ‘P1’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=0;i<Len-1;++i) h+=(s[i]-'0')*P1; ^