Compilare: main.cpp:9:5: warning: built-in function 'log' declared as non-function [-Wbuiltin-declaration-mismatch] 9 | int log[Nmax]; | ^~~ main.cpp: In function 'int main()': main.cpp:24:16: warning: iteration 100003 invokes undefined behavior [-Waggressive-loop-optimizations] 24 | log[i] = log[i - 1]; | ~~~~~~~^~~~~~~~~~~~ main.cpp:23:22: note: within this loop 23 | for(int i = 2; i <= Nmax; i++){ | ~~^~~~~~~