Compilare: main.cpp: In function 'int main()': main.cpp:32:20: warning: iteration 999998 invokes undefined behavior [-Waggressive-loop-optimizations] if(PrDesc[i]%2==0) ~~~~~~~~^ main.cpp:30:18: note: within this loop for(int i=2;i<=1000000;i++) ~^~~~~~~~~ main.cpp:24:20: warning: iteration 999998 invokes undefined behavior [-Waggressive-loop-optimizations] if(PrDesc[i]==1) ~~~~~~~~^ main.cpp:23:18: note: within this loop for(int i=2;i<=1000000;i++) ~^~~~~~~~~ main.cpp:10:20: warning: iteration 999998 invokes undefined behavior [-Waggressive-loop-optimizations] if(PrDesc[i]==0) ~~~~~~~~^ main.cpp:9:18: note: within this loop for(int i=2;i<=1000000;i++) ~^~~~~~~~~