Can we find Bitwise And of all subarrays of an array in O(n) time ? If not,then what is the best time complexity for doing this ?
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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
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This question is from HackerEarth contest which is currently going on. So I feel this should not be answered now. Wait for the contest to finish.