0 votes 0 votes HeadShot asked Aug 11, 2018 HeadShot 203 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Shaik Masthan commented Aug 11, 2018 reply Follow Share options are incorrect due to every option contain II what i know exactly :- I,III,IV,VIII,IX i don't know about VI,VII 2 votes 2 votes Deepanshu commented Aug 11, 2018 reply Follow Share yes @ Shaik Masthan is right option 2 needs queue. but then i think may be he goes up to queue implementation with stack level then we can have stack for bfs ,as bfs used queue. 1 votes 1 votes Please log in or register to add a comment.