Compilare: main.cpp: In function 'void ciur()': main.cpp:17:18: warning: iteration 50001 invokes undefined behavior [-Waggressive-loop-optimizations] 17 | ciurr[i] = 1; | ~~~~~~~~~^~~ main.cpp:16:23: note: within this loop 16 | for (int i = 4; i <= 50005; ++i) { | ~~^~~~~~~~ main.cpp:17:18: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset 50005 is out of the bounds [0, 50005] of object 'ciurr' with type 'bool [50005]' [-Warray-bounds] 17 | ciurr[i] = 1; | ~~~~~~~~~^~~ main.cpp:10:6: note: 'ciurr' declared here 10 | bool ciurr[50005], ciurr2[50005]; | ^~~~~