Compilare: main.cpp: In function 'void recalc(it*&)': main.cpp:71:28: warning: unused variable 'il' [-Wunused-variable] int ml=(mnof(t->l)).ft,il=(mnof(t->l)).sc, mc=(sumof(t->l)+t->val), ic=szof(t->l)+1, mr=(sumof(t->l)+t->val)+mnof(t->r).ft, ir=szof(t->l)+1+mnof(t->r).sc; ^~ main.cpp: In function 'void insert(it*&, long long int, long long int)': main.cpp:124:14: warning: unused variable 'n2' [-Wunused-variable] it *n1, *n2; ^~