Compilare: user.cpp: In function ‘void solve()’: user.cpp:22:9: warning: variable ‘nrm’ set but not used [-Wunused-but-set-variable] int nrm,pp,nod,elem,a,i,k=0; ^ user.cpp:22:13: warning: variable ‘pp’ set but not used [-Wunused-but-set-variable] int nrm,pp,nod,elem,a,i,k=0; ^ user.cpp:22:20: warning: unused variable ‘elem’ [-Wunused-variable] int nrm,pp,nod,elem,a,i,k=0; ^ user.cpp:22:25: warning: unused variable ‘a’ [-Wunused-variable] int nrm,pp,nod,elem,a,i,k=0; ^ user.cpp:22:27: warning: unused variable ‘i’ [-Wunused-variable] int nrm,pp,nod,elem,a,i,k=0; ^