Compilare: main.cpp: In function 'int main()': main.cpp:41:9: warning: unused variable 'k' [-Wunused-variable] 41 | int k = lg[n]; | ^ main.cpp:37:15: warning: iteration 498 invokes undefined behavior [-Waggressive-loop-optimizations] 37 | lg[i] = 1 + lg[i/2]; | ~~~~~~^~~~~~~~~~~~~ main.cpp:36:19: note: within this loop 36 | for(int i=2; i<=MAX; i++) | ^