Judge 0 is just like platform jo ki safe environment mein code ko run kareyga

like testCases ko hmlog array mein store kra skte hai

useState, use for like increment and decrment agr function nhi banaye to incr ya dec display nhi hoga pr actual mein bts mein hota h useEffect ka mtlb poore code mein chnge nhi krna hota h wo bas jah chnge ho rha h whi highlighr krega

react memo mein wrap kr dete the