java - Fastest way to find an integer in array of integers without sorting and multithreading -


this question asked before , looked without sorting , multithreading 1 needs iterate through elements. there other idea? java implementation fine

if there no other prerequisites input array, no: have iterate through elements until find 1 looking (thus, in worst , average case o(n)).

if have else (like heap, search tree or otherwise sorted array) can use smarter , faster techniques, of course (e.g. binary search).


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