Category : bit-shift

I’ve searched an algorithm that counts the number of ones in Byte by time complexity of O(1) and what I found in google: // C++ implementation of the approach #include <bits/stdc++.h> using namespace std; int BitsSetTable256[256]; // Function to initialise the lookup table void initialize() { // To initially generate the // table algorithmically BitsSetTable256[0] ..

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