Compilare: main.cpp: In function 'int main()': main.cpp:25:17: warning: iteration 100004 invokes undefined behavior [-Waggressive-loop-optimizations] 25 | mark[i] = 0; | ~~~~~~~~^~~ main.cpp:24:22: note: within this loop 24 | for(int i = 1; i <= Nmax; i++){ | ~~^~~~~~~ main.cpp:25:17: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [400020, 400023] is out of the bounds [0, 400020] of object 'mark' with type 'int [100005]' [-Warray-bounds] 25 | mark[i] = 0; | ~~~~~~~~^~~ main.cpp:23:9: note: 'mark' declared here 23 | int mark[Nmax]; | ^~~~