Compilare: main.cpp: In function 'void update(int, int, int*)': main.cpp:77:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(pos<=euler.size()){ ~~~^~~~~~~~~~~~~~ main.cpp: In function 'void querytip12(int, int, int)': main.cpp:95:9: warning: unused variable 'distanta' [-Wunused-variable] int distanta = depth[x] + depth[y] - 2*depth[lc] + 1; ^~~~~~~~ main.cpp: In function 'int32_t main()': main.cpp:182:12: warning: overflow in implicit constant conversion [-Woverflow] tin[0]=1e18; ^~~~ main.cpp:183:13: warning: overflow in implicit constant conversion [-Woverflow] tout[0]=1e18; ^~~~