queue

queue queue algorithms and data structures course data structures: queue queue is a data structure in which: items can be inserted only from one end. items can be taken only from the different end. the first inserted item is the first item to be taken. first input first output [fifo]. example: queue in markets. algorithms and data structures course data structures: queue operations push: inserts item to the end of the queue. time complexity is o(1). pop: removes items from the front of queue. time complexity is o(1). front: returns front element of the queue. time complexity is o(1). empty: returns “true”, if queue is empty. time complexity is o(1). size: returns size of queue. time complexity is o(1). algorithms …

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