Compilare: main.cpp: In function 'int main()': main.cpp:12:14: warning: iteration 1500000 invokes undefined behavior [-Waggressive-loop-optimizations] 12 | v[i] = true; | ~~~~~^~~~~~ main.cpp:11:23: note: within this loop 11 | for (int i = 0; i <= 1500000; i++) | ~~^~~~~~~~~~ main.cpp:15:16: warning: iteration 1499998 invokes undefined behavior [-Waggressive-loop-optimizations] 15 | if (v[i]) { | ~~~^ main.cpp:14:23: note: within this loop 14 | for (int i = 2; i <= 1500000; i++) { | ~~^~~~~~~~~~ main.cpp:12:14: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset 1500000 is out of the bounds [0, 1500000] of object 'v' with type 'bool [1500000]' [-Warray-bounds] 12 | v[i] = true; | ~~~~~^~~~~~ main.cpp:7:6: note: 'v' declared here 7 | bool v[1500000]; | ^