Compilare: user.cpp: In function ‘void solve(int)’: user.cpp:27:9: warning: variable ‘nrm’ set but not used [-Wunused-but-set-variable] int nrm,pp,nod,elem,a,i; ^ user.cpp:27:13: warning: variable ‘pp’ set but not used [-Wunused-but-set-variable] int nrm,pp,nod,elem,a,i; ^ user.cpp:27:20: warning: unused variable ‘elem’ [-Wunused-variable] int nrm,pp,nod,elem,a,i; ^ user.cpp:27:25: warning: unused variable ‘a’ [-Wunused-variable] int nrm,pp,nod,elem,a,i; ^ user.cpp:27:27: warning: unused variable ‘i’ [-Wunused-variable] int nrm,pp,nod,elem,a,i; ^ user.cpp: In function ‘int main()’: user.cpp:57:15: warning: unused variable ‘pp’ [-Wunused-variable] int i,a,b,pp=0,e1=0,e2=0,aux; ^