give root binary tree return maximum width give treethe maximum width tree maximum width levelsthe width level define length endnode leftmost rightmost nonnull node null node endnode present complete binary tree extend level count length calculationIt guarantee answer range 32bit sign integer Example 1input root 13253null9output 4explanation the maximum width exist level length 4 53null9example 2input root 1325nullnull96null7output 7explanation the maximum width exist fourth level length 7 6nullnullnullnullnull7example 3input root 1325output 2explanation the maximum width exist second level length 2 32 ConstraintsThe number nod tree range 1 3000100 Nodeval 100