data structures - Stack, Queue, Tree? -


13,5,2,9,8 , 1 inserted data structure in order. item deleted using basic data structure operation. if deleted item 1, data structure cannot ?
a. priority queue b. stack c. queue d. search tree

thanks in advance !

it cannot queue, because queue supports "popping" oldest item (fifo: first in first out), , 1 inserted last.


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