1 1 vote The minimum number of stacks needed to implement a queue is $3$ $1$ $2$ $4$ Data Structures isrodec2017 data-structures stack queue + – gatecse 1.3k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.
3 3 votes two.....option C ... ... 1. insert operation...push(s1) 2.delete operation ..pop(s1) -> push(s2) till get empty then pop(s2) ... hs_yadav answered Dec 20, 2017 hs_yadav comment Share Follow 0 reply Please log in or register to add a comment.