0 0 votes A priority queue is used to implement a stack efficiently. Push(C) is implemented as insert 'C'. Pop is implemented as a delete minimum element. For a sequence of operations, the keys chosen are in Strictly decreasing order. How? Data Structures made-easy-test-series data-structures stack + – pranjalgennext 639 views answer comment Share Follow Print See 1 comment 1 1 comment reply Samujjal Das commented Jan 19, 2017 reply Follow flag Almost same https://gateoverflow.in/2248/gate1997_4-7 1 1 replyShare Please log in or register to add a comment.