Compilare: main.cpp: In function 'int main()': main.cpp:29:18: warning: iteration 999999 invokes undefined behavior [-Waggressive-loop-optimizations] 29 | mobius[i]=1; | ~~~~~~~~~^~ main.cpp:28:19: note: within this loop 28 | for(int i=1; i<=m; i++) | ~^~~ main.cpp:45:20: warning: iteration 999999 invokes undefined behavior [-Waggressive-loop-optimizations] 45 | if(mobius[i]==0) | ~~~~~~~~^ main.cpp:43:19: note: within this loop 43 | for(int i=1; i<=m; i++) | ~^~~ main.cpp:54:22: warning: iteration 999998 invokes undefined behavior [-Waggressive-loop-optimizations] 54 | ans+=mobius[i]*cnt[i]; | ~~~~~~~~^ main.cpp:53:19: note: within this loop 53 | for(int i=2; i<=m; i++) | ~^~~