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GATE | GATE MOCK 2017 | Question 49
You are given an array A[] having n random bits and a function OR(i,j) which will take two indexes from an array as parameters and will return the result of ( A[i] OR A[j] ) i.e bitwise OR. What is the minimum no of OR calls required so as to determine all the bits inside the array i.e. to determine every index of A[] whether it has 0 or 1 ?
(A)
N-1
(B)
N*(N-1)/2
(C)
N
(D)
Not possible to determine the bit array
Answer
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