people are so much obsessed with AI thing that they have now lost their brain cells for simple task, this makes a ormal div2 way more harder than it should be by its problem setters, they try to beat ai by setting problem a lot complexed, i am facing more harder questions like B and C than earlier, this shows why people instead of destroying AI cheaters are making more of them. If any anyone was hurt by my words which i did ,then sorry may be i am not as smart as they expect, I hope this AI thing will be stopped if we can not toggle windows or tabs during test.